.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>xyz.zhouxy.jdbc</groupId>
     <artifactId>simple-jdbc</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
+    <version>1.0.0-alpha</version>
 
     <properties>
         <maven.compiler.source>8</maven.compiler.source>
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>xyz.zhouxy.plusone</groupId>
             <artifactId>plusone-commons</artifactId>
-            <version>1.0.0-SNAPSHOT</version>
+            <version>1.0.0-alpha</version>
         </dependency>
 
         <dependency>
@@ -35,28 +35,11 @@
             <scope>test</scope>
         </dependency>
 
+        <!-- https://mvnrepository.com/artifact/com.h2database/h2 -->
         <dependency>
-            <groupId>com.zaxxer</groupId>
+            <groupId>com.h2database</groupId>
-            <artifactId>HikariCP</artifactId>
+            <artifactId>h2</artifactId>
-            <version>4.0.3</version>
+            <version>2.2.224</version>
-            <exclusions>
-                <exclusion>
-                    <groupId>org.slf4j</groupId>
-                    <artifactId>slf4j-api</artifactId>
-                </exclusion>
-            </exclusions>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.postgresql</groupId>
-            <artifactId>postgresql</artifactId>
-            <version>42.3.8</version>
-            <exclusions>
-                <exclusion>
-                    <groupId>org.checkerframework</groupId>
-                    <artifactId>checker-qual</artifactId>
-                </exclusion>
-            </exclusions>
             <scope>test</scope>
         </dependency>
     </dependencies>

src/main/java/xyz/zhouxy/jdbc/DbRecord.java

@@ -16,49 +16,78 @@
 
 package xyz.zhouxy.jdbc;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.OptionalDouble;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
+
+import javax.annotation.Nonnull;
+
 import com.google.common.annotations.Beta;
-import com.google.common.base.Preconditions;
+
 import xyz.zhouxy.plusone.commons.collection.AbstractMapWrapper;
+import xyz.zhouxy.plusone.commons.util.AssertTools;
 import xyz.zhouxy.plusone.commons.util.OptionalTools;
 import xyz.zhouxy.plusone.commons.util.StringTools;
 
-import java.util.*;
+/**
-
+ * DbRecord
+ *
+ * <p>
+ * 封装 Map<String, Object>，表示一条 DB 记录
+ * </p>
+ *
+ * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
+ * @since 1.0.0
+ */
 @Beta
 public class DbRecord extends AbstractMapWrapper<String, Object, DbRecord> {
 
     public DbRecord() {
-        super(new HashMap<>(), k -> Preconditions.checkArgument(StringTools.isNotBlank(k), "Key must has text."), null);
+        super(new HashMap<>(),
+                k -> AssertTools.checkArgument(StringTools.isNotBlank(k), "Key must has text."),
+                null);
     }
 
     public DbRecord(Map<String, Object> map) {
-        super(map, k -> Preconditions.checkArgument(StringTools.isNotBlank(k), "Key must has text."), null);
+        super(map,
+                k -> AssertTools.checkArgument(StringTools.isNotBlank(k), "Key must has text."),
+                null);
     }
 
+    /**
+     * 将值强转为 {@link String}，并放在 {@link Optional} 中。
+     * 如果 {@code key} 存在，而值不存在，则返回 {@link Optional#empty()}。
+     */
     public Optional<String> getValueAsString(String key) {
         return this.getAndConvert(key);
     }
 
-    public <T> List<T> getValueAsList(String key) {
+    /**
-        return this.<Collection<T>>getAndConvert(key)
+     * 将值强转为 {@code int}，并放在 {@link OptionalInt} 中。
-                .map(l -> (l instanceof List) ? (List<T>) l : new ArrayList<>(l))
+     * 如果 {@code key} 存在，而值不存在，则返回 {@link OptionalInt#empty()}。
-                .orElse(Collections.emptyList());
+     */
-    }
+    @Nonnull
-
-    public <T> Set<T> getValueAsSet(String key) {
-        return this.<Collection<T>>getAndConvert(key)
-                .map(l -> (l instanceof Set) ? (Set<T>) l : new HashSet<>(l))
-                .orElse(Collections.emptySet());
-    }
-
     public OptionalInt getValueAsInt(String key) {
         return OptionalTools.toOptionalInt(this.getAndConvert(key));
     }
 
+    /**
+     * 将值强转为 {@code long}，并放在 {@link OptionalLong} 中。
+     * 如果 {@code key} 存在，而值不存在，则返回 {@link OptionalLong#empty()}。
+     */
+    @Nonnull
     public OptionalLong getValueAsLong(String key) {
         return OptionalTools.toOptionalLong(this.getAndConvert(key));
     }
 
+    /**
+     * 将值强转为 {@code double}，并放在 {@link OptionalDouble} 中。
+     * 如果 {@code key} 存在，而值不存在，则返回 {@link OptionalDouble#empty()}。
+     */
+    @Nonnull
     public OptionalDouble getValueAsDouble(String key) {
         return OptionalTools.toOptionalDouble(this.getAndConvert(key));
     }

src/main/java/xyz/zhouxy/jdbc/DefaultBeanRowMapper.java

@@ -35,9 +35,28 @@ import javax.annotation.Nullable;
 
 import com.google.common.base.CaseFormat;
 
+import xyz.zhouxy.plusone.commons.annotation.StaticFactoryMethod;
+
+/**
+ * DefaultBeanRowMapper
+ *
+ * <p>
+ * 默认实现的将 {@link ResultSet} 转换为 Java Bean 的 {@link RowMapper}。
+ * </p>
+ *
+ * <p>
+ * <b>NOTE: 使用反射获取类型信息，也是使用反射调用无参构造器和 {@code setter} 方法。
+ * 实际使用中还是建议针对目标类型自定义 {@link RowMapper}。</b>
+ * </p>
+ * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
+ * @since 1.0.0
+ */
 public class DefaultBeanRowMapper<T> implements RowMapper<T> {
 
+    /** Bean 的无参构造器 */
     private final Constructor<T> constructor;
+
+    /** 列名到属性的映射 */
     private final Map<String, PropertyDescriptor> colPropertyMap;
 
     private DefaultBeanRowMapper(Constructor<T> constructor, Map<String, PropertyDescriptor> colPropertyMap) {
@@ -45,10 +64,29 @@ public class DefaultBeanRowMapper<T> implements RowMapper<T> {
         this.colPropertyMap = colPropertyMap;
     }
 
+    /**
+     * 创建一个 DefaultBeanRowMapper
+     *
+     * @param <T>      Bean 类型
+     * @param beanType Bean 类型
+     * @return DefaultBeanRowMapper 对象
+     * @throws SQLException 创建 DefaultBeanRowMapper 出现错误的异常时抛出
+     */
+    @StaticFactoryMethod(DefaultBeanRowMapper.class)
     public static <T> DefaultBeanRowMapper<T> of(Class<T> beanType) throws SQLException {
         return of(beanType, null);
     }
 
+    /**
+     * 创建一个 DefaultBeanRowMapper
+     *
+     * @param <T>            Bean 类型
+     * @param beanType       Bean 类型
+     * @param propertyColMap Bean 字段与列名的映射关系。key 是字段，value 是列名。
+     * @return DefaultBeanRowMapper 对象
+     * @throws SQLException 创建 DefaultBeanRowMapper 出现错误的异常时抛出
+     */
+    @StaticFactoryMethod(DefaultBeanRowMapper.class)
     public static <T> DefaultBeanRowMapper<T> of(Class<T> beanType, @Nullable Map<String, String> propertyColMap)
             throws SQLException {
         try {
@@ -60,6 +98,7 @@ public class DefaultBeanRowMapper<T> implements RowMapper<T> {
             BeanInfo beanInfo = Introspector.getBeanInfo(beanType);
             PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
 
+            // Bean 的属性名为小驼峰，对应的列名为下划线
             Function<? super PropertyDescriptor, String> keyMapper;
             if (propertyColMap == null || propertyColMap.isEmpty()) {
                 keyMapper = p -> CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, p.getName());
@@ -84,13 +123,17 @@ public class DefaultBeanRowMapper<T> implements RowMapper<T> {
         }
     }
 
+    /** {@inheritDoc} */
     @Override
     public T mapRow(ResultSet rs, int rowNumber) throws SQLException {
         try {
+            // 调用无参构造器创建实例
             T newInstance = this.constructor.newInstance();
             ResultSetMetaData metaData = rs.getMetaData();
+            // 遍历结果的每一列
             for (int i = 1; i <= metaData.getColumnCount(); i++) {
                 String colName = metaData.getColumnName(i);
+                // 获取查询结果列名对应的属性，调用 setter
                 PropertyDescriptor propertyDescriptor = this.colPropertyMap.get(colName);
                 if (propertyDescriptor != null) {
                     Method setter = propertyDescriptor.getWriteMethod();

src/main/java/xyz/zhouxy/jdbc/JdbcOperationSupport.java

@@ -0,0 +1,471 @@
+/*
+ * Copyright 2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package xyz.zhouxy.jdbc;
+
+import java.math.BigDecimal;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.OptionalDouble;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import com.google.common.collect.Lists;
+
+import xyz.zhouxy.plusone.commons.collection.CollectionTools;
+import xyz.zhouxy.plusone.commons.util.AssertTools;
+import xyz.zhouxy.plusone.commons.util.OptionalTools;
+
+/**
+ * JdbcOperationSupport
+ *
+ * <p>
+ * 提供静态方法，封装 JDBC 基础操作
+ * </p>
+ *
+ * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
+ * @since 1.0.0
+ */
+class JdbcOperationSupport {
+
+    // #region - query
+
+    /**
+     * 执行查询，并按照自定义处理逻辑对结果进行处理，将结果转换为指定类型并返回
+     *
+     * @param conn          数据库连接
+     * @param sql           SQL
+     * @param params        参数
+     * @param resultHandler 结果处理器，用于处理 {@link ResultSet}
+     */
+    static <T> T query(Connection conn, String sql, Object[] params, ResultHandler<T> resultHandler)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        assertResultHandlerNotNull(resultHandler);
+        return queryInternal(conn, sql, params, resultHandler);
+    }
+
+    // #endregion
+
+    // #region - queryList
+
+    /**
+     * 执行查询，将查询结果的每一行数据按照指定逻辑进行处理，返回结果列表
+     *
+     * @param conn      数据库连接
+     * @param sql       SQL
+     * @param params    参数
+     * @param rowMapper {@link ResultSet} 中每一行的数据的处理逻辑
+     */
+    static <T> List<T> queryList(Connection conn, String sql, Object[] params, RowMapper<T> rowMapper)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        assertRowMapperNotNull(rowMapper);
+        return queryListInternal(conn, sql, params, rowMapper);
+    }
+
+    /**
+     * 执行查询，返回结果映射为指定的类型。当结果为单列时使用
+     *
+     * @param conn   数据库连接
+     * @param sql    SQL
+     * @param params 参数
+     * @param clazz  将结果映射为指定的类型
+     */
+    static <T> List<T> queryList(Connection conn, String sql, Object[] params, Class<T> clazz)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        assertClazzNotNull(clazz);
+        return queryListInternal(conn, sql, params, (rs, rowNumber) -> rs.getObject(1, clazz));
+    }
+
+    // #endregion
+
+    // #region - queryFirst
+
+    /**
+     * 执行查询，将查询结果的第一行数据按照指定逻辑进行处理，返回 {@link Optional}
+     *
+     * @param conn      数据库连接
+     * @param sql       SQL
+     * @param params    参数
+     * @param rowMapper {@link ResultSet} 中每一行的数据的处理逻辑
+     */
+    static <T> Optional<T> queryFirst(Connection conn, String sql, Object[] params, RowMapper<T> rowMapper)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        assertRowMapperNotNull(rowMapper);
+        return queryFirstInternal(conn, sql, params, rowMapper);
+    }
+
+    /**
+     * 查询第一行第一列，并转换为指定类型
+     *
+     * @param <T>    目标类型
+     * @param sql    SQL
+     * @param params 参数
+     * @param clazz  目标类型
+     */
+    static <T> Optional<T> queryFirst(Connection conn, String sql, Object[] params, Class<T> clazz)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        assertClazzNotNull(clazz);
+        return queryFirstInternal(conn, sql, params, (rs, rowNumber) -> rs.getObject(1, clazz));
+    }
+
+    /**
+     * 查询第一行第一列，并转换为字符串
+     *
+     * @param conn   数据库连接
+     * @param sql    SQL
+     * @param params 参数
+     */
+    static Optional<String> queryFirstString(Connection conn, String sql, Object[] params)
+            throws SQLException {
+        return queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getString(1));
+    }
+
+    /**
+     * 查询第一行第一列，并转换为整数值
+     *
+     * @param conn   数据库连接
+     * @param sql    SQL
+     * @param params 参数
+     */
+    static OptionalInt queryFirstInt(Connection conn, String sql, Object[] params)
+            throws SQLException {
+        Optional<Integer> result = queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getInt(1));
+        return OptionalTools.toOptionalInt(result);
+    }
+
+    /**
+     * 查询第一行第一列，并转换为长整型
+     *
+     * @param conn   数据库连接
+     * @param sql    SQL
+     * @param params 参数
+     */
+    static OptionalLong queryFirstLong(Connection conn, String sql, Object[] params)
+            throws SQLException {
+        Optional<Long> result = queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getLong(1));
+        return OptionalTools.toOptionalLong(result);
+    }
+
+    /**
+     * 查询第一行第一列，并转换为双精度浮点型
+     *
+     * @param conn   数据库连接
+     * @param sql    SQL
+     * @param params 参数
+     */
+    static OptionalDouble queryFirstDouble(Connection conn, String sql, Object[] params)
+            throws SQLException {
+        Optional<Double> result = queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getDouble(1));
+        return OptionalTools.toOptionalDouble(result);
+    }
+
+    /**
+     * 查询第一行第一列，并转换为 {@link BigDecimal}
+     *
+     * @param conn   数据库连接
+     * @param sql    SQL
+     * @param params 参数
+     */
+    static Optional<BigDecimal> queryFirstBigDecimal(Connection conn, String sql, Object[] params)
+            throws SQLException {
+        return queryFirst(conn, sql, params, (rs, rowNumber) -> rs.getBigDecimal(1));
+    }
+
+    // #endregion
+
+    // #region - update & batchUpdate
+
+    /**
+     * 执行更新操作
+     *
+     * @param conn   数据库连接
+     * @param sql    要执行的 SQL
+     * @param params 参数
+     * @return 更新记录数
+     */
+    static int update(Connection conn, String sql, Object[] params)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+            fillStatement(stmt, params);
+            return stmt.executeUpdate();
+        }
+    }
+
+    /**
+     * 执行 SQL 并返回生成的 keys
+     *
+     * @param conn      数据库连接
+     * @param sql       要执行的 SQL
+     * @param params    参数
+     * @param rowMapper 行数据映射逻辑
+     *
+     * @return generated keys
+     * @throws SQLException 执行 SQL 遇到异常情况将抛出
+     */
+    static <T> List<T> update(Connection conn, String sql, Object[] params, RowMapper<T> rowMapper)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        assertRowMapperNotNull(rowMapper);
+        final List<T> result = new ArrayList<>();
+        try (PreparedStatement stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
+            fillStatement(stmt, params);
+            stmt.executeUpdate();
+            try (ResultSet generatedKeys = stmt.getGeneratedKeys();) {
+                int rowNumber = 0;
+                while (generatedKeys.next()) {
+                    T e = rowMapper.mapRow(generatedKeys, rowNumber++);
+                    result.add(e);
+                }
+            }
+            return result;
+        }
+    }
+
+    /**
+     * 执行批量更新，批量更新数据，返回每条记录更新的行数
+     *
+     * @param conn      数据库连接
+     * @param sql       SQL 语句
+     * @param params    参数列表
+     * @param batchSize 每次批量更新的数据量
+     */
+    static List<int[]> batchUpdate(Connection conn, String sql, Collection<Object[]> params, int batchSize)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+
+        if (params == null || params.isEmpty()) {
+            return Collections.emptyList();
+        }
+        int executeCount = params.size() / batchSize;
+        executeCount = (params.size() % batchSize == 0) ? executeCount : (executeCount + 1);
+        List<int[]> result = Lists.newArrayListWithCapacity(executeCount);
+
+        try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+            int i = 0;
+            for (Object[] ps : params) {
+                i++;
+                fillStatement(stmt, ps);
+                stmt.addBatch();
+                if (i % batchSize == 0 || i >= params.size()) {
+                    int[] n = stmt.executeBatch();
+                    result.add(n);
+                    stmt.clearBatch();
+                }
+            }
+            return result;
+        }
+    }
+
+    /**
+     * 批量更新，返回更新成功的记录行数。发生异常时不中断操作，将异常存入 {@code exceptions} 中
+     *
+     * @param conn       数据库连接
+     * @param sql        sql语句
+     * @param params     参数列表
+     * @param batchSize  每次批量更新的数据量
+     * @param exceptions 异常列表，用于记录异常信息
+     */
+    static List<int[]> batchUpdateAndIgnoreException(Connection conn,
+            String sql, @Nullable Collection<Object[]> params, int batchSize,
+            List<Exception> exceptions)
+            throws SQLException {
+        assertConnectionNotNull(conn);
+        assertSqlNotNull(sql);
+        AssertTools.checkArgument(CollectionTools.isNotEmpty(exceptions),
+                "The list used to store exceptions should be non-null and empty.");
+        if (params == null || params.isEmpty()) {
+            return Collections.emptyList();
+        }
+        int executeCount = params.size() / batchSize;
+        executeCount = (params.size() % batchSize == 0) ? executeCount : (executeCount + 1);
+        List<int[]> result = Lists.newArrayListWithCapacity(executeCount);
+
+        try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+            int i = 0;
+            for (Object[] ps : params) {
+                i++;
+                fillStatement(stmt, ps);
+                stmt.addBatch();
+                final int batchIndex = i % batchSize;
+                if (batchIndex == 0 || i >= params.size()) {
+                    try {
+                        int[] n = stmt.executeBatch();
+                        result.add(n);
+                        stmt.clearBatch();
+                    }
+                    catch (Exception e) {
+                        int n = (i >= params.size() && batchIndex != 0) ? batchIndex : batchSize;
+                        result.add(new int[n]);
+                        stmt.clearBatch();
+                        // 收集异常信息
+                        exceptions.add(e);
+                    }
+                }
+            }
+            return result;
+        }
+    }
+
+    // #endregion
+
+    // #region - internal
+
+    /**
+     * 执行查询，将查询结果按照指定逻辑进行处理并返回
+     *
+     * @param conn          数据库连接
+     * @param sql           SQL
+     * @param params        参数
+     * @param resultHandler 结果处理器，用于处理 {@link ResultSet}
+     */
+    private static <T> T queryInternal(@Nonnull Connection conn,
+                                        @Nonnull String sql,
+                                        @Nullable Object[] params,
+                                        @Nonnull ResultHandler<T> resultHandler)
+            throws SQLException {
+        try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+            fillStatement(stmt, params);
+            try (ResultSet rs = stmt.executeQuery()) {
+                return resultHandler.handle(rs);
+            }
+        }
+    }
+
+    /**
+     * 执行查询，将查询结果的每一行数据按照指定逻辑进行处理，返回结果列表
+     *
+     * @param conn      数据库连接
+     * @param sql       SQL
+     * @param params    参数
+     * @param rowMapper {@link ResultSet} 中每一行的数据的处理逻辑
+     */
+    private static <T> List<T> queryListInternal(@Nonnull Connection conn,
+                                            @Nonnull String sql,
+                                            @Nullable Object[] params,
+                                            @Nonnull RowMapper<T> rowMapper)
+            throws SQLException {
+        return queryInternal(conn, sql, params, rs -> {
+            List<T> result = new ArrayList<>();
+            int rowNumber = 0;
+            while (rs.next()) {
+                T e = rowMapper.mapRow(rs, rowNumber++);
+                result.add(e);
+            }
+            return result;
+        });
+    }
+
+    /**
+     * 执行查询，将查询结果的第一行数据按照指定逻辑进行处理，返回 {@link Optional}
+     *
+     * @param conn      数据库连接
+     * @param sql       SQL
+     * @param params    参数
+     * @param rowMapper 行数据映射逻辑
+     */
+    private static <T> Optional<T> queryFirstInternal(@Nonnull Connection conn,
+                                            @Nonnull String sql,
+                                            @Nullable Object[] params,
+                                            @Nonnull RowMapper<T> rowMapper)
+            throws SQLException {
+        return queryInternal(conn, sql, params, rs -> {
+            if (rs.next()) {
+                return Optional.ofNullable(rowMapper.mapRow(rs, 0));
+            }
+            return Optional.empty();
+        });
+    }
+
+    // #endregion
+
+    /**
+     * 填充参数
+     */
+    private static void fillStatement(@Nonnull PreparedStatement stmt, @Nullable Object[] params)
+            throws SQLException {
+        if (params != null && params.length > 0) {
+            Object param;
+            for (int i = 0; i < params.length; i++) {
+                param = params[i];
+                if (param instanceof java.sql.Date) {
+                    stmt.setDate(i + 1, (java.sql.Date) param);
+                }
+                else if (param instanceof java.sql.Time) {
+                    stmt.setTime(i + 1, (java.sql.Time) param);
+                }
+                else if (param instanceof java.sql.Timestamp) {
+                    stmt.setTimestamp(i + 1, (java.sql.Timestamp) param);
+                }
+                else {
+                    stmt.setObject(i + 1, param);
+                }
+            }
+        }
+    }
+
+    // #region - 参数校验
+
+    private static void assertConnectionNotNull(Connection conn) {
+        AssertTools.checkArgumentNotNull(conn, "The argument \"conn\" could not be null.");
+    }
+
+    private static void assertSqlNotNull(String sql) {
+        AssertTools.checkArgumentNotNull(sql, "The argument \"sql\" could not be null.");
+    }
+
+    private static void assertRowMapperNotNull(RowMapper<?> rowMapper) {
+        AssertTools.checkArgumentNotNull(rowMapper, "The argument \"rowMapper\" could not be null.");
+    }
+
+    private static void assertResultHandlerNotNull(ResultHandler<?> resultHandler) {
+        AssertTools.checkArgumentNotNull(resultHandler, "The argument \"resultHandler\" could not be null.");
+    }
+
+    private static void assertClazzNotNull(Class<?> clazz) {
+        AssertTools.checkArgumentNotNull(clazz, "The argument \"clazz\" could not be null.");
+    }
+
+    // #endregion
+
+    private JdbcOperationSupport() {
+        throw new IllegalStateException("Utility class");
+    }
+}

src/main/java/xyz/zhouxy/jdbc/JdbcOperations.java

@@ -0,0 +1,359 @@
+package xyz.zhouxy.jdbc;
+
+import java.math.BigDecimal;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.OptionalDouble;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
+
+import javax.annotation.Nullable;
+
+/**
+ * JdbcOperations
+ *
+ * <p>
+ * 定义 JdbcTemplate 的 API
+ * </p>
+ *
+ * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
+ * @since 1.0.0
+ */
+interface JdbcOperations {
+
+    // #region - query
+
+    /**
+     * 执行查询，并按照自定义处理逻辑对结果进行处理，将结果转换为指定类型并返回
+     *
+     * @param sql           SQL
+     * @param params        参数
+     * @param resultHandler 结果处理器，用于处理 {@link ResultSet}
+     */
+    <T> T query(String sql, Object[] params, ResultHandler<T> resultHandler)
+            throws SQLException;
+
+    /**
+     * 执行查询，并按照自定义处理逻辑对结果进行处理，将结果转换为指定类型并返回
+     *
+     * @param sql           SQL
+     * @param resultHandler 结果处理器，用于处理 {@link ResultSet}
+     */
+    <T> T query(String sql, ResultHandler<T> resultHandler)
+            throws SQLException;
+
+    // #endregion
+
+    // #region - queryList
+
+    /**
+     * 执行查询，将查询结果的每一行数据按照指定逻辑进行处理，返回结果列表
+     *
+     * @param sql       SQL
+     * @param params    参数
+     * @param rowMapper {@link ResultSet} 中每一行的数据的处理逻辑
+     */
+    <T> List<T> queryList(String sql, Object[] params, RowMapper<T> rowMapper)
+            throws SQLException;
+
+    /**
+     * 执行查询，返回结果映射为指定的类型。当结果为单列时使用
+     *
+     * @param sql    SQL
+     * @param params 参数
+     * @param clazz  将结果映射为指定的类型
+     */
+    <T> List<T> queryList(String sql, Object[] params, Class<T> clazz)
+            throws SQLException;
+
+    /**
+     * 执行查询，每一行数据映射为 {@code Map<String, Object>}，返回结果列表
+     *
+     * @param sql    SQL
+     * @param params 参数列表
+     */
+    List<Map<String, Object>> queryList(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 执行查询，每一行数据映射为 {@link DbRecord}，返回结果列表
+     *
+     * @param sql    SQL
+     * @param params 参数列表
+     */
+    List<DbRecord> queryRecordList(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 执行查询，将查询结果的每一行数据按照指定逻辑进行处理，返回结果列表
+     *
+     * @param sql       SQL
+     * @param rowMapper {@link ResultSet} 中每一行的数据的处理逻辑
+     */
+    <T> List<T> queryList(String sql, RowMapper<T> rowMapper)
+            throws SQLException;
+
+    /**
+     * 执行查询，返回结果映射为指定的类型。当结果为单列时使用
+     *
+     * @param sql   SQL
+     * @param clazz 将结果映射为指定的类型
+     */
+    <T> List<T> queryList(String sql, Class<T> clazz)
+            throws SQLException;
+
+    /**
+     * 执行查询，每一行数据映射为 {@code Map<String, Object>}，返回结果列表
+     *
+     * @param sql SQL
+     */
+    List<Map<String, Object>> queryList(String sql)
+            throws SQLException;
+
+    /**
+     * 执行查询，每一行数据映射为 {@link DbRecord}，返回结果列表
+     *
+     * @param sql SQL
+     */
+    List<DbRecord> queryRecordList(String sql)
+            throws SQLException;
+
+    // #endregion
+
+    // #region - queryFirst
+
+    /**
+     * 执行查询，将查询结果的第一行数据按照指定逻辑进行处理，返回 {@link Optional}
+     *
+     * @param sql       SQL
+     * @param params    参数
+     * @param rowMapper {@link ResultSet} 中每一行的数据的处理逻辑
+     */
+    <T> Optional<T> queryFirst(String sql, Object[] params, RowMapper<T> rowMapper)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为指定类型
+     *
+     * @param <T>    目标类型
+     * @param sql    SQL
+     * @param params 参数
+     * @param clazz  目标类型
+     */
+    <T> Optional<T> queryFirst(String sql, Object[] params, Class<T> clazz)
+            throws SQLException;
+
+    /**
+     * 执行查询，将第一行数据转为 Map<String, Object>
+     *
+     * @param sql    SQL
+     * @param params 参数
+     */
+    Optional<Map<String, Object>> queryFirst(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 执行查询，将第一行数据转为 DbRecord
+     *
+     * @param sql    SQL
+     * @param params 参数
+     */
+    Optional<DbRecord> queryFirstRecord(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为字符串
+     *
+     * @param sql    SQL
+     * @param params 参数
+     */
+    Optional<String> queryFirstString(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为整数值
+     *
+     * @param sql    SQL
+     * @param params 参数
+     */
+    OptionalInt queryFirstInt(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为长整型
+     *
+     * @param sql    SQL
+     * @param params 参数
+     */
+    OptionalLong queryFirstLong(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为双精度浮点型
+     *
+     * @param sql    SQL
+     * @param params 参数
+     */
+    OptionalDouble queryFirstDouble(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为 {@link BigDecimal}
+     *
+     * @param sql    SQL
+     * @param params 参数
+     */
+    Optional<BigDecimal> queryFirstBigDecimal(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 执行查询，将查询结果的第一行数据按照指定逻辑进行处理，返回 {@link Optional}
+     *
+     * @param sql       SQL
+     * @param rowMapper {@link ResultSet} 中每一行的数据的处理逻辑
+     */
+    <T> Optional<T> queryFirst(String sql, RowMapper<T> rowMapper)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为指定类型
+     *
+     * @param <T>   目标类型
+     * @param sql   SQL
+     * @param clazz 目标类型
+     */
+    <T> Optional<T> queryFirst(String sql, Class<T> clazz)
+            throws SQLException;
+
+    /**
+     * 执行查询，将第一行数据转为 Map<String, Object>
+     *
+     * @param sql SQL
+     */
+    Optional<Map<String, Object>> queryFirst(String sql)
+            throws SQLException;
+
+    /**
+     * 执行查询，将第一行数据转为 DbRecord
+     *
+     * @param sql SQL
+     */
+    Optional<DbRecord> queryFirstRecord(String sql)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为字符串
+     *
+     * @param sql SQL
+     */
+    Optional<String> queryFirstString(String sql)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为整数值
+     *
+     * @param sql SQL
+     */
+    OptionalInt queryFirstInt(String sql)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为长整型
+     *
+     * @param sql SQL
+     */
+    OptionalLong queryFirstLong(String sql)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为双精度浮点型
+     *
+     * @param sql SQL
+     */
+    OptionalDouble queryFirstDouble(String sql)
+            throws SQLException;
+
+    /**
+     * 查询第一行第一列，并转换为 {@link BigDecimal}
+     *
+     * @param sql SQL
+     */
+    Optional<BigDecimal> queryFirstBigDecimal(String sql)
+            throws SQLException;
+
+    // #endregion
+
+    // #region - update & batchUpdate
+
+    /**
+     * 执行更新操作
+     *
+     * @param sql    要执行的 SQL
+     * @param params 参数
+     * @return 更新记录数
+     */
+    int update(String sql, Object[] params)
+            throws SQLException;
+
+    /**
+     * 执行更新操作
+     *
+     * @param sql 要执行的 SQL
+     * @return 更新记录数
+     */
+    int update(String sql)
+            throws SQLException;
+
+    /**
+     * 执行 SQL 并返回生成的 keys
+     *
+     * @param sql       要执行的 SQL
+     * @param params    参数
+     * @param rowMapper 行数据映射逻辑
+     *
+     * @return generated keys
+     * @throws SQLException 执行 SQL 遇到异常情况将抛出
+     */
+    <T> List<T> update(String sql, Object[] params, RowMapper<T> rowMapper)
+            throws SQLException;
+
+    /**
+     * 执行 SQL 并返回生成的 keys
+     *
+     * @param sql       要执行的 SQL
+     * @param rowMapper 行数据映射逻辑
+     *
+     * @return generated keys
+     * @throws SQLException 执行 SQL 遇到异常情况将抛出
+     */
+    <T> List<T> update(String sql, RowMapper<T> rowMapper)
+            throws SQLException;
+
+    /**
+     * 执行批量更新，批量更新数据，返回每条记录更新的行数
+     *
+     * @param sql       SQL 语句
+     * @param params    参数列表
+     * @param batchSize 每次批量更新的数据量
+     */
+    List<int[]> batchUpdate(String sql, @Nullable Collection<Object[]> params, int batchSize)
+            throws SQLException;
+
+    /**
+     * 批量更新，返回更新成功的记录行数。发生异常时不中断操作，将异常存入 {@code exceptions} 中
+     *
+     * @param sql        sql语句
+     * @param params     参数列表
+     * @param batchSize  每次批量更新的数据量
+     * @param exceptions 异常列表，用于记录异常信息
+     */
+    List<int[]> batchUpdateAndIgnoreException(String sql, @Nullable Collection<Object[]> params,
+            int batchSize, List<Exception> exceptions)
+            throws SQLException;
+
+    // #endregion
+}

src/main/java/xyz/zhouxy/jdbc/ParamBuilder.java

@@ -27,12 +27,21 @@ import java.util.OptionalLong;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import com.google.common.base.Preconditions;
-
 import xyz.zhouxy.plusone.commons.collection.CollectionTools;
 import xyz.zhouxy.plusone.commons.util.ArrayTools;
+import xyz.zhouxy.plusone.commons.util.AssertTools;
 import xyz.zhouxy.plusone.commons.util.OptionalTools;
 
+/**
+ * ParamBuilder
+ *
+ * <p>
+ * JDBC 参数构造器，将数据转换为 {@code Object[]} 类型，以传给 {@link PreparedStatement}
+ * </p>
+ *
+ * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
+ * @since 1.0.0
+ */
 public class ParamBuilder {
     public static final Object[] EMPTY_OBJECT_ARRAY = {};
 
@@ -60,8 +69,8 @@ public class ParamBuilder {
     }
 
     public static <T> List<Object[]> buildBatchParams(final Collection<T> c, final Function<T, Object[]> func) {
-        Preconditions.checkNotNull(c, "The collection can not be null.");
+        AssertTools.checkNotNull(c, "The collection can not be null.");
-        Preconditions.checkNotNull(func, "The func can not be null.");
+        AssertTools.checkNotNull(func, "The func can not be null.");
         if (CollectionTools.isEmpty(c)) {
             return Collections.emptyList();
         }

src/main/java/xyz/zhouxy/jdbc/ResultHandler.java

@@ -19,7 +19,21 @@ package xyz.zhouxy.jdbc;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 
+/**
+ * ResultHandler
+ *
+ * <p>
+ * 处理 {@link ResultSet}
+ * </p>
+ *
+ * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
+ * @since 1.0.0
+ */
 @FunctionalInterface
 public interface ResultHandler<T> {
+
+    /**
+     * 将 {@link ResultSet} 转换为指定类型的对象
+     */
     T handle(ResultSet resultSet) throws SQLException;
 }

src/main/java/xyz/zhouxy/jdbc/RowMapper.java

@@ -22,10 +22,21 @@ import java.sql.SQLException;
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * RowMapper
+ *
+ * <p>
+ * {@link ResultSet} 中每一行数据的处理逻辑。
+ * </p>
+ *
+ * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
+ * @since 1.0.0
+ */
 @FunctionalInterface
 public interface RowMapper<T> {
     T mapRow(ResultSet rs, int rowNumber) throws SQLException;
 
+    /** 每一行数据转换为 {@link HashMap} */
     public static final RowMapper<Map<String, Object>> HASH_MAP_MAPPER = (rs, rowNumber) -> {
         Map<String, Object> result = new HashMap<>();
         ResultSetMetaData metaData = rs.getMetaData();
@@ -37,13 +48,16 @@ public interface RowMapper<T> {
         return result;
     };
 
+    /** 每一行数据转换为 {@link DbRecord} */
     public static final RowMapper<DbRecord> RECORD_MAPPER =
             (rs, rowNumber) -> new DbRecord(HASH_MAP_MAPPER.mapRow(rs, rowNumber));
 
+    /** 默认实现的将 {@link ResultSet} 转换为 Java Bean 的 {@link RowMapper}。 */
     public static <T> RowMapper<T> beanRowMapper(Class<T> beanType) throws SQLException {
         return DefaultBeanRowMapper.of(beanType);
     }
 
+    /** 默认实现的将 {@link ResultSet} 转换为 Java Bean 的 {@link RowMapper}。 */
     public static <T> RowMapper<T> beanRowMapper(Class<T> beanType, Map<String, String> propertyColMap)
             throws SQLException {
         return DefaultBeanRowMapper.of(beanType, propertyColMap);

src/test/java/xyz/zhouxy/jdbc/test/SimpleJdbcTemplateTests.java

@@ -1,98 +1,148 @@
 package xyz.zhouxy.jdbc.test;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.*;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
 import static xyz.zhouxy.jdbc.ParamBuilder.*;
-import static xyz.zhouxy.plusone.commons.sql.JdbcSql.IN;
+import static xyz.zhouxy.plusone.commons.sql.JdbcSql.*;
 
 import java.sql.SQLException;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
-import java.util.Random;
-import java.util.concurrent.ThreadLocalRandom;
-
-import javax.sql.DataSource;
 
+import org.h2.jdbcx.JdbcDataSource;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
-import com.zaxxer.hikari.HikariConfig;
-import com.zaxxer.hikari.HikariDataSource;
 
 import xyz.zhouxy.jdbc.DbRecord;
 import xyz.zhouxy.jdbc.RowMapper;
 import xyz.zhouxy.jdbc.SimpleJdbcTemplate;
 import xyz.zhouxy.jdbc.SimpleJdbcTemplate.JdbcExecutor;
 import xyz.zhouxy.plusone.commons.sql.SQL;
-import xyz.zhouxy.plusone.commons.util.ArrayTools;
 import xyz.zhouxy.plusone.commons.util.IdGenerator;
 import xyz.zhouxy.plusone.commons.util.IdWorker;
-import xyz.zhouxy.plusone.commons.util.Numbers;
 
 class SimpleJdbcTemplateTests {
 
     private static final Logger log = LoggerFactory.getLogger(SimpleJdbcTemplateTests.class);
 
-    private static final DataSource dataSource;
-
     private static final SimpleJdbcTemplate jdbcTemplate;
 
     static {
-        HikariConfig config = new HikariConfig();
+        JdbcDataSource dataSource = new JdbcDataSource();
-        config.setJdbcUrl("jdbc:postgresql://localhost:5432/plusone");
+        dataSource.setURL("jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1;DATABASE_TO_UPPER=FALSE;MODE=MySQL");
-        config.setUsername("postgres");
+        dataSource.setUser("sa");
-        config.setPassword("zhouxy108");
+        dataSource.setPassword("");
-        config.setMaximumPoolSize(8);
-        config.setConnectionTimeout(1000000);
-        dataSource = new HikariDataSource(config);
         jdbcTemplate = new SimpleJdbcTemplate(dataSource);
     }
 
+    @BeforeAll
+    static void setUp() throws SQLException {
+        jdbcTemplate.update("CREATE TABLE sys_account ("
+            + "\n" + "    id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY"
+            + "\n" + "    ,username VARCHAR(255) NOT NULL"
+            + "\n" + "    ,account_status VARCHAR(2) NOT NULL"
+            + "\n" + "    ,create_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP"
+            + "\n" + "    ,created_by BIGINT NOT NULL"
+            + "\n" + "    ,update_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP"
+            + "\n" + "    ,updated_by BIGINT DEFAULT NULL"
+            + "\n" + "    ,version BIGINT NOT NULL DEFAULT 0"
+            + "\n" + ")");
+        jdbcTemplate.batchUpdate("INSERT INTO sys_account(id, username, account_status, created_by) VALUES (?, ?, ?, ?)", Lists.newArrayList(
+            buildParams(2L, "zhouxy2", "0", 108L),
+            buildParams(3L, "zhouxy3", "0", 108L),
+            buildParams(4L, "zhouxy4", "0", 108L),
+            buildParams(5L, "zhouxy5", "0", 108L),
+            buildParams(6L, "zhouxy6", "0", 108L),
+            buildParams(7L, "zhouxy7", "0", 108L),
+            buildParams(8L, "zhouxy8", "0", 108L),
+            buildParams(9L, "zhouxy9", "0", 108L)
+        ), 10);
+        jdbcTemplate.batchUpdate("INSERT INTO sys_account(id, username, account_status, created_by, create_time, update_time, version) VALUES (?, ?, ?, ?, ?, ?, ?)", Lists.newArrayList(
+            buildParams(10L, "zhouxy10", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 31),
+            buildParams(11L, "zhouxy11", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 28),
+            buildParams(12L, "zhouxy12", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 25),
+            buildParams(13L, "zhouxy13", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 22),
+            buildParams(14L, "zhouxy14", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 19),
+            buildParams(15L, "zhouxy15", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 16),
+            buildParams(16L, "zhouxy16", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 13),
+            buildParams(17L, "zhouxy17", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 10),
+            buildParams(18L, "zhouxy18", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 7),
+            buildParams(19L, "zhouxy19", "1", 118L, LocalDate.of(2000, 1, 1), LocalDate.of(2000, 1, 29), 0)
+        ), 10);
+        jdbcTemplate.update("INSERT INTO sys_account(id, username, account_status, created_by, create_time, updated_by, update_time, version) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+            buildParams(20L, "zhouxy20", "2", 118L, LocalDateTime.of(2008, 8, 8, 20, 8), 31L, LocalDateTime.now(), 88L));
+    }
+
     @Test
     void testQuery() throws SQLException {
-        Object[] ids = buildParams(22915, 22916, 22917, 22918, 22919, 22920, 22921);
+        Object[] ids = buildParams(5, 9, 13, 14, 17, 20, 108);
         String sql = SQL.newJdbcSql()
-                .SELECT("*")
+                .SELECT("id", "username", "account_status")
-                .FROM("test_table")
+                .FROM("sys_account")
                 .WHERE(IN("id", ids))
                 .toString();
         log.info(sql);
         List<DbRecord> rs = jdbcTemplate.queryRecordList(sql, ids);
-        assertNotNull(rs);
+        for (DbRecord dbRecord : rs) {
-        for (DbRecord baseEntity : rs) {
+            log.info("{}", dbRecord);
-            // log.info("id: {}", baseEntity.getValueAsString("id")); // NOSONAR
-            log.info(baseEntity.toString());
-            assertTrue(baseEntity.getValueAsString("username").isPresent());
         }
+        assertEquals(
+            Lists.newArrayList(
+                new DbRecord(ImmutableMap.of("id", 5L, "account_status", "0", "username", "zhouxy5")),
+                new DbRecord(ImmutableMap.of("id", 9L, "account_status", "0", "username", "zhouxy9")),
+                new DbRecord(ImmutableMap.of("id", 13L, "account_status", "1", "username", "zhouxy13")),
+                new DbRecord(ImmutableMap.of("id", 14L, "account_status", "1", "username", "zhouxy14")),
+                new DbRecord(ImmutableMap.of("id", 17L, "account_status", "1", "username", "zhouxy17")),
+                new DbRecord(ImmutableMap.of("id", 20L, "account_status", "2", "username", "zhouxy20"))
+            ),
+            rs
+        );
     }
 
     @Test
     void testInsert() throws SQLException {
-        List<DbRecord> keys = jdbcTemplate.update(
+        List<Map<String, Object>> keys = jdbcTemplate.update(
-                "INSERT INTO base_table(status, created_by) VALUES (?, ?)",
+                "INSERT INTO sys_account(username, account_status, created_by) VALUES (?, ?, ?), (?, ?, ?)",
-                buildParams(1, 886L),
+                buildParams("zhouxy21", "2", 123L, "code22", '2', 456L),
-                RowMapper.RECORD_MAPPER);
+                RowMapper.HASH_MAP_MAPPER);
         log.info("keys: {}", keys);
-        assertEquals(1, keys.size());
+        assertEquals(2, keys.size());
-        DbRecord result = keys.get(0);
+        for (Map<String,Object> key : keys) {
-        assertEquals(1, result.getValueAsInt("status").getAsInt());
+            assertTrue(key.containsKey("id"));
-        assertEquals(886L, result.getValueAsLong("created_by").getAsLong());
+            assertInstanceOf(Long.class, key.get("id"));
-        assertTrue(result.get("id").isPresent());
+            assertTrue(key.containsKey("create_time"));
+            assertInstanceOf(Date.class, key.get("create_time"));
+        }
+        List<Long> ids = jdbcTemplate.update(
+                "INSERT INTO sys_account(username, account_status, created_by) VALUES (?, ?, ?), (?, ?, ?)",
+                buildParams("zhouxy21", "2", 123L, "code22", '2', 456L),
+                (rs, rowNumber) -> rs.getObject("id", Long.class));
+        log.info("ids: {}", ids);
+        assertEquals(2, ids.size());
     }
 
     @Test
     void testUpdate() throws SQLException {
         List<DbRecord> keys = jdbcTemplate.update(
-                "UPDATE base_table SET status = ?, version = version + 1, update_time = now(), updated_by = ? WHERE id = ? AND version = ?",
+                "UPDATE sys_account SET account_status = ?, version = version + 1, update_time = now(), updated_by = ? WHERE id = ? AND version = ?",
-                buildParams(2, 886, 571328822575109L, 0),
+                buildParams("7", 886L, 20L, 88L),
                 RowMapper.RECORD_MAPPER);
+        assertEquals(1, keys.size());
         log.info("keys: {}", keys);
+        keys = jdbcTemplate.update(
+                "UPDATE sys_account SET account_status = ?, version = version + 1, update_time = now(), updated_by = ? WHERE id = ? AND version = ?",
+                buildParams("-1", 886L, 20L, 88L),
+                RowMapper.RECORD_MAPPER);
+        assertEquals(0, keys.size());
     }
 
     final IdWorker idGenerator = IdGenerator.getSnowflakeIdGenerator(0);
@@ -104,8 +154,8 @@ class SimpleJdbcTemplateTests {
             long id = this.idGenerator.nextId();
             try {
                 jdbcTemplate.executeTransaction((JdbcExecutor jdbc) -> {
-                    jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
+                    jdbc.update("INSERT INTO sys_account (id, username, created_by, create_time, account_status) VALUES (?, ?, ?, ?, ?)",
-                            buildParams(id, 100, LocalDateTime.now(), 0));
+                            buildParams(id, "testTransaction1", 100, LocalDateTime.now(), "55"));
                     throw new NullPointerException();
                 });
             }
@@ -113,7 +163,7 @@ class SimpleJdbcTemplateTests {
                 // ignore
             }
             Optional<Map<String, Object>> first = jdbcTemplate
-                    .queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
+                    .queryFirst("SELECT * FROM sys_account WHERE id = ?", buildParams(id));
             log.info("first: {}", first);
             assertTrue(!first.isPresent());
         }
@@ -122,12 +172,12 @@ class SimpleJdbcTemplateTests {
         {
             long id = this.idGenerator.nextId();
             jdbcTemplate.executeTransaction(jdbc -> {
-                jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
+                jdbc.update("INSERT INTO sys_account (id, username, created_by, create_time, account_status) VALUES (?, ?, ?, ?, ?)",
-                        buildParams(id, 101, LocalDateTime.now(), 0));
+                        buildParams(id, "testTransaction2", 101, LocalDateTime.now(), "55"));
             });
 
             Optional<Map<String, Object>> first = jdbcTemplate
-                    .queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
+                    .queryFirst("SELECT * FROM sys_account WHERE id = ?", buildParams(id));
             log.info("first: {}", first);
             assertTrue(first.isPresent());
         }
@@ -137,8 +187,8 @@ class SimpleJdbcTemplateTests {
             long id = this.idGenerator.nextId();
             try {
                 jdbcTemplate.commitIfTrue(jdbc -> {
-                    jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
+                    jdbc.update("INSERT INTO sys_account (id, username, created_by, create_time, account_status) VALUES (?, ?, ?, ?, ?)",
-                            buildParams(id, 102, LocalDateTime.now(), 0));
+                            buildParams(id, "testTransaction3", 102, LocalDateTime.now(), "55"));
                     throw new NullPointerException();
                 });
             }
@@ -146,7 +196,7 @@ class SimpleJdbcTemplateTests {
                 // ignore
             }
             Optional<Map<String, Object>> first = jdbcTemplate
-                    .queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
+                    .queryFirst("SELECT * FROM sys_account WHERE id = ?", buildParams(id));
             log.info("first: {}", first);
             assertTrue(!first.isPresent());
         }
@@ -155,13 +205,13 @@ class SimpleJdbcTemplateTests {
         {
             long id = this.idGenerator.nextId();
             jdbcTemplate.commitIfTrue(jdbc -> {
-                jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
+                jdbc.update("INSERT INTO sys_account (id, username, created_by, create_time, account_status) VALUES (?, ?, ?, ?, ?)",
-                        buildParams(id, 103, LocalDateTime.now(), 0));
+                        buildParams(id, "testTransaction4", 103, LocalDateTime.now(), "55"));
                 return false;
             });
 
             Optional<Map<String, Object>> first = jdbcTemplate
-                    .queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
+                    .queryFirst("SELECT * FROM sys_account WHERE id = ?", buildParams(id));
             log.info("first: {}", first);
             assertTrue(!first.isPresent());
         }
@@ -170,72 +220,57 @@ class SimpleJdbcTemplateTests {
         {
             long id = this.idGenerator.nextId();
             jdbcTemplate.commitIfTrue(jdbc -> {
-                jdbc.update("INSERT INTO base_table (id, created_by, create_time, status) VALUES (?, ?, ?, ?)",
+                jdbc.update("INSERT INTO sys_account (id, username, created_by, create_time, account_status) VALUES (?, ?, ?, ?, ?)",
-                        buildParams(id, 104, LocalDateTime.now(), 0));
+                        buildParams(id, "testTransaction5", 104, LocalDateTime.now(), "55"));
                 return true;
             });
 
             Optional<Map<String, Object>> first = jdbcTemplate
-                    .queryFirst("SELECT * FROM base_table WHERE id = ?", buildParams(id));
+                    .queryFirst("SELECT * FROM sys_account WHERE id = ?", buildParams(id));
             log.info("first: {}", first);
             assertTrue(first.isPresent());
         }
     }
 
-    @Test
-    void testBatch() throws Exception {
-
-        Random random = ThreadLocalRandom.current();
-
-        LocalDate handleDate = LocalDate.of(1949, 10, 1);
-        List<DbRecord> datas = Lists.newArrayList();
-        while (handleDate.isBefore(LocalDate.of(2008, 8, 8))) {
-            DbRecord r1 = new DbRecord();
-            r1.put("username", "张三2");
-            r1.put("usage_date", handleDate);
-            r1.put("usage_duration", random.nextInt(500));
-            datas.add(r1);
-            DbRecord r2 = new DbRecord();
-            r2.put("username", "李四2");
-            r2.put("usage_date", handleDate);
-            r2.put("usage_duration", random.nextInt(500));
-            datas.add(r2);
-
-            handleDate = handleDate.plusDays(1L);
-        }
-        try {
-            List<int[]> result = jdbcTemplate.batchUpdate(
-                    "insert into test_table (username, usage_date, usage_duration) values (?,?,?)",
-                    buildBatchParams(datas, item -> buildParams(
-                            item.getValueAsString("username"),
-                            item.getValueAsString("usage_date"),
-                            item.getValueAsString("usage_duration"))),
-                    400);
-            long sum = Numbers.sum(ArrayTools.concatIntArray(result));
-            assertEquals(datas.size(), sum);
-            log.info("sum: {}", sum);
-        }
-        catch (Exception e) {
-            e.printStackTrace();
-            throw e;
-        }
-    }
-
     @Test
     void testBean() throws Exception {
-        Optional<TestBean> t = jdbcTemplate.queryFirst(
+        Optional<AccountPO> t = jdbcTemplate.queryFirst(
-                "SELECT * FROM test_table WHERE id = ?",
+                "SELECT * FROM sys_account WHERE id = ?",
-                buildParams(22915),
+                buildParams(18L),
-                RowMapper.beanRowMapper(TestBean.class));
+                RowMapper.beanRowMapper(AccountPO.class));
-        log.info("t: {}", t);
+        assertEquals(
+                new AccountPO(18L, "zhouxy18", "1",
+                    LocalDateTime.of(2000, 1, 1, 0, 0), 118L,
+                    LocalDateTime.of(2000, 1, 29, 0, 0), null, 7L),
+                t.get());
+        log.info("{}", t);
     }
 }
 
-class TestBean {
+class AccountPO {
     Long id;
     String username;
-    LocalDate usageDate;
+    String accountStatus;
-    Long usageDuration;
+    LocalDateTime createTime;
+    Long createdBy;
+    LocalDateTime updateTime;
+    Long updatedBy;
+    Long version;
+
+    public AccountPO() {
+    }
+
+    public AccountPO(Long id, String username, String accountStatus, LocalDateTime createTime, Long createdBy,
+            LocalDateTime updateTime, Long updatedBy, Long version) {
+        this.id = id;
+        this.username = username;
+        this.accountStatus = accountStatus;
+        this.createTime = createTime;
+        this.createdBy = createdBy;
+        this.updateTime = updateTime;
+        this.updatedBy = updatedBy;
+        this.version = version;
+    }
 
     public Long getId() {
         return id;
@@ -253,25 +288,78 @@ class TestBean {
         this.username = username;
     }
 
-    public LocalDate getUsageDate() {
+    public String getAccountStatus() {
-        return usageDate;
+        return accountStatus;
     }
 
-    public void setUsageDate(LocalDate usageDate) {
+    public void setAccountStatus(String accountStatus) {
-        this.usageDate = usageDate;
+        this.accountStatus = accountStatus;
     }
 
-    public Long getUsageDuration() {
+    public LocalDateTime getCreateTime() {
-        return usageDuration;
+        return createTime;
     }
 
-    public void setUsageDuration(Long usageDuration) {
+    public void setCreateTime(LocalDateTime createTime) {
-        this.usageDuration = usageDuration;
+        this.createTime = createTime;
+    }
+
+    public Long getCreatedBy() {
+        return createdBy;
+    }
+
+    public void setCreatedBy(Long createdBy) {
+        this.createdBy = createdBy;
+    }
+
+    public LocalDateTime getUpdateTime() {
+        return updateTime;
+    }
+
+    public void setUpdateTime(LocalDateTime updateTime) {
+        this.updateTime = updateTime;
+    }
+
+    public Long getUpdatedBy() {
+        return updatedBy;
+    }
+
+    public void setUpdatedBy(Long updatedBy) {
+        this.updatedBy = updatedBy;
+    }
+
+    public Long getVersion() {
+        return version;
+    }
+
+    public void setVersion(Long version) {
+        this.version = version;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, username, accountStatus, createTime, createdBy, updateTime, updatedBy, version);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        AccountPO other = (AccountPO) obj;
+        return Objects.equals(id, other.id) && Objects.equals(username, other.username)
+                && Objects.equals(accountStatus, other.accountStatus) && Objects.equals(createTime, other.createTime)
+                && Objects.equals(createdBy, other.createdBy) && Objects.equals(updateTime, other.updateTime)
+                && Objects.equals(updatedBy, other.updatedBy) && Objects.equals(version, other.version);
     }
 
     @Override
     public String toString() {
-        return "TestBean [id=" + id + ", username=" + username + ", usageDate=" + usageDate + ", usageDuration="
+        return "AccountPO [id=" + id + ", username=" + username + ", accountStatus=" + accountStatus + ", createTime="
-                + usageDuration + "]";
+                + createTime + ", createdBy=" + createdBy + ", updateTime=" + updateTime + ", updatedBy=" + updatedBy
+                + ", version=" + version + "]";
     }
 }