feature #I44FT8 支持脚本语言的组件，并支持动态刷新脚本(版本特性)

liteflow-script-qlexpress/pom.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>liteflow</artifactId>
+        <groupId>com.yomahub</groupId>
+        <version>2.5.11</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>liteflow-script-qlexpress</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.yomahub</groupId>
+            <artifactId>liteflow-script-common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.yomahub</groupId>
+            <artifactId>liteflow-core</artifactId>
+            <version>${project.version}</version>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>QLExpress</artifactId>
+        </dependency>
+    </dependencies>
+</project>

liteflow-script-qlexpress/src/main/java/com/yomahub/liteflow/script/qlexpress/QLExpressScriptExecutor.java

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+package com.yomahub.liteflow.script.qlexpress;
+
+import cn.hutool.core.util.StrUtil;
+import com.ql.util.express.DefaultContext;
+import com.ql.util.express.ExpressRunner;
+import com.yomahub.liteflow.entity.data.DataBus;
+import com.yomahub.liteflow.entity.data.Slot;
+import com.yomahub.liteflow.script.ScriptExecutor;
+import com.yomahub.liteflow.script.exception.ScriptExecuteException;
+import com.yomahub.liteflow.script.exception.ScriptLoadException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class QLExpressScriptExecutor implements ScriptExecutor {
+
+    private final Logger log = LoggerFactory.getLogger(this.getClass());
+
+    private ExpressRunner expressRunner;
+
+    @Override
+    public ScriptExecutor init() {
+        expressRunner = new ExpressRunner();
+        return this;
+    }
+
+    @Override
+    public void load(String nodeId, String script) {
+        try{
+            expressRunner.loadMutilExpress(nodeId, script);
+        }catch (Exception e){
+            String errorMsg = StrUtil.format("script loading error for node[{}]", nodeId);
+            throw new ScriptLoadException(errorMsg);
+        }
+    }
+
+    @Override
+    public void execute(String nodeId, int slotIndex) {
+        List<String> errorList = new ArrayList<>();
+        try{
+            Slot slot = DataBus.getSlot(slotIndex);
+            DefaultContext<String, Object> context = new DefaultContext<String, Object>();
+            context.put("slot", slot);
+            expressRunner.executeByExpressName(nodeId, context, errorList, true, false, null);
+        }catch (Exception e){
+            for (String scriptErrorMsg : errorList){
+                log.error("\n{}", scriptErrorMsg);
+            }
+            String errorMsg = StrUtil.format("script execute error for node[{}]", nodeId);
+            throw new ScriptExecuteException(errorMsg);
+        }
+    }
+}