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fix(parser): harden runtime resource handling

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yukaidi
2026-06-10 21:19:56 +08:00
parent 46c6827eda
commit b6b7f0d8b7
14 changed files with 1498 additions and 455 deletions
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parser/src/main/java/cn/qaiu/util/JsExecUtils.java
+41 -13
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@@ -46,34 +46,62 @@ public class JsExecUtils {
/**
* 调用执行蓝奏云js文件（每次动态JS代码，无法复用引擎）
* 注意：使用后清理引擎引用，帮助 GC 回收 Nashorn 引擎内部资源
*/
public static ScriptObjectMirror executeDynamicJs(String jsText, String funName) throws ScriptException,
NoSuchMethodException {
ScriptEngine engine = ENGINE_MANAGER.getEngineByName("JavaScript"); // 得到脚本引擎
engine.eval(JsContent.lz + "\n" + jsText);
Invocable inv = (Invocable) engine;
//调用js中的函数
if (StringUtils.isNotEmpty(funName)) {
inv.invokeFunction(funName);
try {
engine.eval(JsContent.lz + "\n" + jsText);
Invocable inv = (Invocable) engine;
//调用js中的函数
if (StringUtils.isNotEmpty(funName)) {
inv.invokeFunction(funName);
}
return (ScriptObjectMirror) engine.get("signObj");
} finally {
// 清理引擎持有的引用，帮助 GC 回收
clearEngineBindings(engine);
}
return (ScriptObjectMirror) engine.get("signObj");
}
/**
* 调用执行js文件（使用缓存的 ScriptEngineManager 创建新引擎实例）
* 注意：使用后清理引擎引用，帮助 GC 回收 Nashorn 引擎内部资源
*/
public static Object executeOtherJs(String jsText, String funName, Object ... args) throws ScriptException,
NoSuchMethodException {
ScriptEngine engine = ENGINE_MANAGER.getEngineByName("JavaScript"); // 得到脚本引擎
engine.eval(jsText);
Invocable inv = (Invocable) engine;
//调用js中的函数
if (StringUtils.isNotEmpty(funName)) {
return inv.invokeFunction(funName, args);
try {
engine.eval(jsText);
Invocable inv = (Invocable) engine;
//调用js中的函数
if (StringUtils.isNotEmpty(funName)) {
return inv.invokeFunction(funName, args);
}
throw new ScriptException("funName is null");
} finally {
// 清理引擎持有的引用，帮助 GC 回收
clearEngineBindings(engine);
}
}
/**
* 清理 ScriptEngine 的 bindings，帮助 GC 回收 Nashorn 引擎资源
*/
private static void clearEngineBindings(ScriptEngine engine) {
try {
if (engine != null) {
// 清理全局 bindings
var bindings = engine.getBindings(javax.script.ScriptContext.ENGINE_SCOPE);
if (bindings != null) {
bindings.clear();
}
}
} catch (Exception ignored) {
// 清理失败不影响主流程
}
throw new ScriptException("funName is null");
}
public static String getKwSign(String s, String pwd) {