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代码优化

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This commit is contained in:
SunYu 2020-09-30 13:50:13 +08:00
parent 7c23aadb9e
commit 93877205c5
2 changed files with 149 additions and 153 deletions
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256
hutool-core/src/main/java/cn/hutool/core/lang/ConsoleTable.java
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@ -15,144 +15,136 @@ import java.util.List;
*/ */
public class ConsoleTable { public class ConsoleTable {
private static final char ROW_LINE = '-'; private static final char ROW_LINE = '-';
private static final char COLUMN_LINE = '|'; private static final char COLUMN_LINE = '|';
private static final char CORNER = '+'; private static final char CORNER = '+';
private static final char SPACE = '\u3000'; private static final char SPACE = '\u3000';
private static final char LF = '\n';
/** /**
* 表格头信息 * 表格头信息
*/ */
private final List<List<String>> HEADER_LIST = new ArrayList<>(); private final List<List<String>> HEADER_LIST = new ArrayList<>();
/** /**
* 表格体信息 * 表格体信息
*/ */
private final List<List<String>> BODY_LIST = new ArrayList<>(); private final List<List<String>> BODY_LIST = new ArrayList<>();
/** /**
* 每列最大字符个数 * 每列最大字符个数
*/ */
private List<Integer> columnCharNumber; private List<Integer> columnCharNumber;
/** /**
* 添加头信息 * 添加头信息
* *
* @param titles 列名 * @param titles 列名
* @return 自身对象 * @return 自身对象
*/ */
public ConsoleTable addHeader(String... titles) { public ConsoleTable addHeader(String... titles) {
if (columnCharNumber == null) { if (columnCharNumber == null) {
columnCharNumber = new ArrayList<>(Collections.nCopies(titles.length, 0)); columnCharNumber = new ArrayList<>(Collections.nCopies(titles.length, 0));
} }
List<String> l = new ArrayList<>(); List<String> l = new ArrayList<>();
fillColumns(l, titles); fillColumns(l, titles);
HEADER_LIST.add(l); HEADER_LIST.add(l);
return this; return this;
} }
/** /**
* 添加体信息 * 添加体信息
* *
* @param values 列值 * @param values 列值
* @return 自身对象 * @return 自身对象
*/ */
public ConsoleTable addBody(String... values) { public ConsoleTable addBody(String... values) {
List<String> l = new ArrayList<>(); List<String> l = new ArrayList<>();
BODY_LIST.add(l); BODY_LIST.add(l);
fillColumns(l, values); fillColumns(l, values);
return this; return this;
} }
/** /**
* 填充表格头或者体 * 填充表格头或者体
* *
* @param l 被填充列表 * @param l 被填充列表
* @param columns 填充内容 * @param columns 填充内容
*/ */
private void fillColumns(List<String> l, String[] columns) { private void fillColumns(List<String> l, String[] columns) {
for (int i = 0; i < columns.length; i++) { for (int i = 0; i < columns.length; i++) {
String column = columns[i]; String column = columns[i];
String col = Convert.toSBC(column); String col = Convert.toSBC(column);
l.add(col); l.add(col);
int width = col.length(); int width = col.length();
if (width > columnCharNumber.get(i)) { if (width > columnCharNumber.get(i)) {
columnCharNumber.set(i, width); columnCharNumber.set(i, width);
} }
} }
} }
/** /**
* 获取表格字符串 * 获取表格字符串
* *
* @return 表格字符串 * @return 表格字符串
*/ */
@Override @Override
public String toString() { public String toString() {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
fillBorder(sb); fillBorder(sb);
for (List<String> headers : HEADER_LIST) { fillRow(sb, HEADER_LIST);
for (int i = 0; i < headers.size(); i++) { fillBorder(sb);
if (i == 0) { fillRow(sb, BODY_LIST);
sb.append(COLUMN_LINE); fillBorder(sb);
} return sb.toString();
String header = headers.get(i); }
sb.append(SPACE);
sb.append(header);
sb.append(SPACE);
int l = header.length();
int lw = columnCharNumber.get(i);
if (lw > l) {
for (int j = 0; j < (lw - l); j++) {
sb.append(SPACE);
}
}
sb.append(COLUMN_LINE);
}
sb.append('\n');
}
fillBorder(sb);
for (List<String> bodys : BODY_LIST) {
for (int i = 0; i < bodys.size(); i++) {
if (i == 0) {
sb.append(COLUMN_LINE);
}
String body = bodys.get(i);
sb.append(SPACE);
sb.append(body);
sb.append(SPACE);
int l = body.length();
int lw = columnCharNumber.get(i);
if (lw > l) {
for (int j = 0; j < (lw - l); j++) {
sb.append(SPACE);
}
}
sb.append(COLUMN_LINE);
}
sb.append('\n');
}
fillBorder(sb);
return sb.toString();
}
/** /**
* 拼装边框 * 填充表头或者表体信息
* *
* @param sb StringBuilder * @param sb
*/ * @param list 表头列表或者表体列表
private void fillBorder(StringBuilder sb) { */
sb.append(CORNER); private void fillRow(StringBuilder sb, List<List<String>> list) {
for (Integer width : columnCharNumber) { for (List<String> r : list) {
sb.append(Convert.toSBC(StrUtil.fillAfter("", ROW_LINE, width + 2))); for (int i = 0; i < r.size(); i++) {
sb.append(CORNER); if (i == 0) {
} sb.append(COLUMN_LINE);
sb.append('\n'); }
} String header = r.get(i);
sb.append(SPACE);
sb.append(header);
sb.append(SPACE);
int l = header.length();
int lw = columnCharNumber.get(i);
if (lw > l) {
for (int j = 0; j < (lw - l); j++) {
sb.append(SPACE);
}
}
sb.append(COLUMN_LINE);
}
sb.append(LF);
}
}
/** /**
* 打印到控制台 * 拼装边框
*/ *
public void print() { * @param sb StringBuilder
Console.print(toString()); */
} private void fillBorder(StringBuilder sb) {
sb.append(CORNER);
for (Integer width : columnCharNumber) {
sb.append(Convert.toSBC(StrUtil.fillAfter("", ROW_LINE, width + 2)));
sb.append(CORNER);
}
sb.append(LF);
}
/**
* 打印到控制台
*/
public void print() {
Console.print(toString());
}
} }

46
hutool-core/src/test/java/cn/hutool/core/lang/ConsoleTableTest.java
View File

@ -5,27 +5,31 @@ import org.junit.Test;
public class ConsoleTableTest { public class ConsoleTableTest {
@Test @Test
@Ignore @Ignore
public void printTest(){ public void printTest() {
ConsoleTable t = new ConsoleTable(); ConsoleTable t = new ConsoleTable();
t.addHeader("姓名", "年龄"); t.addHeader("姓名", "年龄");
t.addBody("张三", "15"); t.addBody("张三", "15");
t.addBody("李四", "29"); t.addBody("李四", "29");
t.addBody("王二麻子", "37"); t.addBody("王二麻子", "37");
t.print(); t.print();
t = new ConsoleTable(); Console.log();
t.addHeader("体温", "占比");
t.addHeader("℃", "%");
t.addBody("36.8", "10");
t.addBody("37", "5");
t.print();
t = new ConsoleTable(); t = new ConsoleTable();
t.addHeader("标题1", "标题2"); t.addHeader("体温", "占比");
t.addBody("12345", "混合321654asdfcSDF"); t.addHeader("℃", "%");
t.addBody("sd e3ee ff22", "ff值"); t.addBody("36.8", "10");
t.print(); t.addBody("37", "5");
} t.print();
Console.log();
t = new ConsoleTable();
t.addHeader("标题1", "标题2");
t.addBody("12345", "混合321654asdfcSDF");
t.addBody("sd e3ee ff22", "ff值");
t.print();
}
} }