feat():规则引擎简易版

muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/com/muyu/engine/controller/ScopeController.java

@@ -111,11 +111,11 @@ public class ScopeController extends BaseController
     /**
      * 测试
      */
-    @RequiresPermissions("engine:scope:test")
+    @RequiresPermissions("engine:scope:testEngine")
     @Log(title = "规则引擎", businessType = BusinessType.DELETE)
-    @GetMapping("test/{id}")
+    @GetMapping("testEngine/{id}")
-    public Result test(@PathVariable Long id) throws ServletException {
+    public Result test(@PathVariable Long id) throws Exception {
-        return toAjax(scopeService.test(id));
+        return toAjax(scopeService.testEngine(id));
     }
 
 

muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/com/muyu/engine/service/ScopeService.java

@@ -1,5 +1,7 @@
 package com.muyu.engine.service;
 
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
 import java.util.List;
 
 import com.baomidou.mybatisplus.extension.service.IService;
@@ -72,5 +74,5 @@ public interface ScopeService extends IService<Scope>
 
     void deleteScopeByRuleIds(Long[] ids);
 
-    boolean test(Long id) throws ServletException;
+    boolean testEngine(Long id) throws Exception;
 }

muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/com/muyu/engine/service/impl/ScopeServiceImpl.java

@@ -1,5 +1,8 @@
 package com.muyu.engine.service.impl;
 
+import java.io.*;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -18,6 +21,7 @@ import org.springframework.stereotype.Service;
 import com.muyu.engine.mapper.ScopeMapper;
 import com.muyu.engine.domain.Scope;
 import com.muyu.engine.service.ScopeService;
+import org.springframework.util.ReflectionUtils;
 
 import javax.servlet.ServletException;
 
@@ -29,8 +33,7 @@ import javax.servlet.ServletException;
  */
 @Service
 @Log4j2
-public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements ScopeService
+public class ScopeServiceImpl extends ServiceImpl<ScopeMapper, Scope> implements ScopeService {
-{
     @Autowired
     private ScopeMapper scopeMapper;
     @Autowired
@@ -43,8 +46,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
      * @return 规则引擎代码
      */
     @Override
-    public Scope selectScopeById(Long id)
+    public Scope selectScopeById(Long id) {
-    {
         return scopeMapper.selectScopeById(id);
     }
 
@@ -55,8 +57,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
      * @return 规则引擎代码
      */
     @Override
-    public List<Scope> selectScopeList(Scope scope)
+    public List<Scope> selectScopeList(Scope scope) {
-    {
         return scopeMapper.selectScopeList(scope);
     }
 
@@ -67,8 +68,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
      * @return 结果
      */
     @Override
-    public int insertScope(Scope scope)
+    public int insertScope(Scope scope) {
-    {
         scope.setCreateTime(DateUtils.getNowDate());
         return scopeMapper.insertScope(scope);
     }
@@ -80,8 +80,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
      * @return 结果
      */
     @Override
-    public int updateScope(Scope scope)
+    public int updateScope(Scope scope) {
-    {
         scope.setUpdateTime(DateUtils.getNowDate());
         Scope one = this.getOne(new LambdaQueryWrapper<>() {{
             eq(Scope::getValue, scope.getValue());
@@ -98,8 +97,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
      * @return 结果
      */
     @Override
-    public int deleteScopeByIds(Long[] ids)
+    public int deleteScopeByIds(Long[] ids) {
-    {
         return scopeMapper.deleteScopeByIds(ids);
     }
 
@@ -110,8 +108,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
      * @return 结果
      */
     @Override
-    public int deleteScopeById(Long id)
+    public int deleteScopeById(Long id) {
-    {
         return scopeMapper.deleteScopeById(id);
     }
 
@@ -130,12 +127,48 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
     }
 
     @Override
-    public boolean test(Long id) throws ServletException {
+    public boolean testEngine(Long id) throws Exception {
+
+        RuleEngine ruleEngine = ruleEngineService.getById(id);
+        if (ruleEngine.getIsActivate().contains("no")) throw new ServletException("未激活");
+        if (ruleEngine.getStatus().contains("1")) throw new ServletException("已停用");
+        Scope scope = this.getOne(new LambdaQueryWrapper<Scope>() {{
+            eq(Scope::getRuleEngineId, ruleEngine.getId());
+            eq(Scope::getValue, "taskContext");
+        }});
+        String code = scope.getCode();
+        String path = code.substring(code.indexOf("com"), code.indexOf(";")).replaceAll("/.", "/").trim();
+        String fileName = code.substring(code.indexOf("class") + 6, code.indexOf("{")).trim();
+        String name = path+"."+fileName;
+        String javaPackageName = name.replace(".",File.separator)+".java";
+        String javaAbsolutePath = "D:/ruoyi/FinallyTest/muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/" +javaPackageName;
+        String jarAbsolutePath = "D:/ruoyi/FinallyTest/muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/target/classes/com/muyu/engine/controller";
+        Process process = Runtime.getRuntime().exec("javac -classpath "+ jarAbsolutePath+ " " + javaAbsolutePath);
+        ClassLoader classLoader = ReflectionUtils.class.getClassLoader();
+//        Class aClass = Class.forName(fileName);
+        Class aClass = classLoader.loadClass(name);
+        Object o = aClass.newInstance();
+        Method test = aClass.getMethod("test",null);
+        test.invoke(o,null);
+        try {
+            InputStream errorStream = process.getErrorStream();
+            InputStreamReader inputStreamReader = new InputStreamReader(errorStream);
+            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
+            String line = null;
+            while ((line=bufferedReader.readLine()) != null){
+                System.out.println(line);
+            }
+            int exitVal = process.waitFor();
+            System.out.println("Process exitValue: " + exitVal);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
         return false;
     }
 
     /**
      * 引擎流程并执行测试
+     *
      * @param id
      * @return
      */
@@ -147,8 +180,7 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
         Supplier<Boolean> booleanSupplier = () -> {
             try {
                 return testEngine(ruleEngine);
-            } catch (ServletException e) {
+            } catch (Exception e) {
-                log.error(e.getMessage());
                 throw new RuntimeException(e);
             }
         };
@@ -156,10 +188,32 @@ public class ScopeServiceImpl extends ServiceImpl<ScopeMapper,Scope> implements
         return booleanSupplier.get();
     }
 
-    private Boolean testEngine(RuleEngine ruleEngine) throws ServletException {
+    private Boolean testEngine(RuleEngine ruleEngine) throws ServletException, IOException {
         System.out.println("初始化");
         System.out.println(ruleEngine);
-        if(false)throw new ServletException("读取异常");
+        Scope scope = this.getOne(new LambdaQueryWrapper<Scope>() {{
+            eq(Scope::getRuleEngineId, ruleEngine.getId());
+            eq(Scope::getValue, "taskContext");
+        }});
+        String code = scope.getCode();
+        String path = code.substring(code.indexOf("com"), code.indexOf(";")).replaceAll("\\.", "/").trim();
+        String fileName = code.substring(code.indexOf("class") + 6, code.indexOf("{")).trim();
+        File file = new File("D:/ruoyi/FinallyTest/muyu-modules/muyu-ruleEngine/muyu-ruleEngine-service/src/main/java/" + path + "/" + fileName + ".java");
+        if (!file.exists()) {
+            file.createNewFile();
+        }
+        String[] split = code.split("/n");
+        //OutputStreamWriter对象将字符转换为字节流，指定了文件输出流和编码方式。
+        OutputStreamWriter outputStreamWriter =
+                new OutputStreamWriter(new FileOutputStream(file, true), "UTF-8");
+        //BufferedWriter对象，用于缓冲写入数据，提高写入效率。
+        BufferedWriter bw = new BufferedWriter(outputStreamWriter);
+        for (String str : split) {
+            bw.write(str);
+            bw.newLine();
+        }
+        bw.close();
+        outputStreamWriter.close();
         return true;
     }
 }