增加QLExpress支持

CHANGELOG.md

@@ -10,6 +10,7 @@
 * 【core   】     AnnotationUtil类支持Lambda获取某注解属性值（pr#827@Gitee）
 * 【core   】     CharUtil.isBlank添加Hangul Filler字符（issue#I5UGSQ@Gitee）
 * 【poi    】     优化合并单元格读取（issue#I5UJZ1@Gitee）
+* 【extra  】     增加QLExpress支持（issue#2653@Github）
 
 ### 🐞Bug修复
 * 【poi    】     修复ExcelReader读取只有标题行报错问题（issue#I5U1JA@Gitee）

hutool-extra/pom.xml

@@ -453,7 +453,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-expression</artifactId>
-			<version>5.3.20</version>
+			<version>5.3.23</version>
 			<scope>compile</scope>
 			<optional>true</optional>
 		</dependency>
@@ -464,6 +464,13 @@
 			<scope>compile</scope>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>com.alibaba</groupId>
+			<artifactId>QLExpress</artifactId>
+			<version>3.3.0</version>
+			<scope>compile</scope>
+			<optional>true</optional>
+		</dependency>
 		<!-- 表达式引擎可选依赖 end -->
 		<dependency>
 			<groupId>org.apache.commons</groupId>

hutool-extra/src/main/java/cn/hutool/extra/expression/engine/qlexpress/QLExpressEngine.java

@@ -0,0 +1,38 @@
+package cn.hutool.extra.expression.engine.qlexpress;
+
+import cn.hutool.extra.expression.ExpressionEngine;
+import cn.hutool.extra.expression.ExpressionException;
+import com.ql.util.express.DefaultContext;
+import com.ql.util.express.ExpressRunner;
+
+import java.util.Map;
+
+/**
+ * QLExpress引擎封装<br>
+ * 见：https://github.com/alibaba/QLExpress
+ *
+ * @author looly
+ * @since 5.8.9
+ */
+public class QLExpressEngine implements ExpressionEngine {
+
+	private final ExpressRunner engine;
+
+	/**
+	 * 构造
+	 */
+	public QLExpressEngine() {
+		engine = new ExpressRunner();
+	}
+
+	@Override
+	public Object eval(final String expression, final Map<String, Object> context) {
+		final DefaultContext<String, Object> defaultContext = new DefaultContext<>();
+		defaultContext.putAll(context);
+		try {
+			return engine.execute(expression, defaultContext, null, true, false);
+		} catch (final Exception e) {
+			throw new ExpressionException(e);
+		}
+	}
+}

hutool-extra/src/main/java/cn/hutool/extra/expression/engine/qlexpress/package-info.java

@@ -0,0 +1,7 @@
+/**
+ * QLExpress引擎封装<br>
+ * 见：https://github.com/alibaba/QLExpress
+ *
+ * @author looly
+ */
+package cn.hutool.extra.expression.engine.qlexpress;

hutool-extra/src/main/resources/META-INF/services/cn.hutool.extra.expression.ExpressionEngine

@@ -3,4 +3,5 @@ cn.hutool.extra.expression.engine.jexl.JexlEngine
 cn.hutool.extra.expression.engine.mvel.MvelEngine
 cn.hutool.extra.expression.engine.jfireel.JfireELEngine
 cn.hutool.extra.expression.engine.spel.SpELEngine
-cn.hutool.extra.expression.engine.rhino.RhinoEngine
+cn.hutool.extra.expression.engine.rhino.RhinoEngine
+cn.hutool.extra.expression.engine.qlexpress.QLExpressEngine

hutool-extra/src/test/java/cn/hutool/extra/expression/ExpressionUtilTest.java

@@ -4,6 +4,7 @@ import cn.hutool.core.lang.Dict;
 import cn.hutool.extra.expression.engine.jexl.JexlEngine;
 import cn.hutool.extra.expression.engine.jfireel.JfireELEngine;
 import cn.hutool.extra.expression.engine.mvel.MvelEngine;
+import cn.hutool.extra.expression.engine.qlexpress.QLExpressEngine;
 import cn.hutool.extra.expression.engine.rhino.RhinoEngine;
 import cn.hutool.extra.expression.engine.spel.SpELEngine;
 import org.junit.Assert;
@@ -26,7 +27,7 @@ public class ExpressionUtilTest {
 
 	@Test
 	public void jexlTest(){
-		ExpressionEngine engine = new JexlEngine();
+		final ExpressionEngine engine = new JexlEngine();
 
 		final Dict dict = Dict.create()
 				.set("a", 100.3)
@@ -38,18 +39,18 @@ public class ExpressionUtilTest {
 
 	@Test
 	public void jexlScriptTest(){
-		ExpressionEngine engine = new JexlEngine();
+		final ExpressionEngine engine = new JexlEngine();
 
-		String exps2="if(a>0){return 100;}";
+		final String exps2="if(a>0){return 100;}";
-		Map<String,Object> map2=new HashMap<>();
+		final Map<String,Object> map2=new HashMap<>();
 		map2.put("a", 1);
-		Object eval1 = engine.eval(exps2, map2);
+		final Object eval1 = engine.eval(exps2, map2);
 		Assert.assertEquals(100, eval1);
 	}
 
 	@Test
 	public void mvelTest(){
-		ExpressionEngine engine = new MvelEngine();
+		final ExpressionEngine engine = new MvelEngine();
 
 		final Dict dict = Dict.create()
 				.set("a", 100.3)
@@ -61,7 +62,7 @@ public class ExpressionUtilTest {
 
 	@Test
 	public void jfireELTest(){
-		ExpressionEngine engine = new JfireELEngine();
+		final ExpressionEngine engine = new JfireELEngine();
 
 		final Dict dict = Dict.create()
 				.set("a", 100.3)
@@ -73,7 +74,7 @@ public class ExpressionUtilTest {
 
 	@Test
 	public void spELTest(){
-		ExpressionEngine engine = new SpELEngine();
+		final ExpressionEngine engine = new SpELEngine();
 
 		final Dict dict = Dict.create()
 				.set("a", 100.3)
@@ -85,7 +86,7 @@ public class ExpressionUtilTest {
 
 	@Test
 	public void rhinoTest(){
-		ExpressionEngine engine = new RhinoEngine();
+		final ExpressionEngine engine = new RhinoEngine();
 
 		final Dict dict = Dict.create()
 				.set("a", 100.3)
@@ -95,4 +96,16 @@ public class ExpressionUtilTest {
 		Assert.assertEquals(-143.8, (double)eval, 0);
 	}
 
+	@Test
+	public void qlExpressTest(){
+		final ExpressionEngine engine = new QLExpressEngine();
+
+		final Dict dict = Dict.of()
+				.set("a", 100.3)
+				.set("b", 45)
+				.set("c", -199.100);
+		final Object eval = engine.eval("a-(b-c)", dict);
+		Assert.assertEquals(-143.8, (double)eval, 0);
+	}
+
 }