zoukankan      html  css  js  c++  java
  • java 动态编译源代码

    代码非常简单,,要引入tool.jar这个包

    com.sun.tools.javac.Main javac = new Main();

    File file =new File("E:/work/JavaGGDS/bin/Test.java");// new File("Test",".java", );
       if(file.exists())file.delete();
       FileWriter fw=new FileWriter(file);
       fw.write("public class "+file.getName().substring(0,file.getName().lastIndexOf("."))+" { public static void a(){System.out.println(\"dddddddd\");}}");
       fw.flush();
       fw.close();
    //   String[] arg0=new String[]{"-d",System.getProperty("user.dir"),file.getName()};
       String[] arg0=new String[]{"-d","E:/work/JavaGGDS/bin/","E:/work/JavaGGDS/bin/"+"Test.java"};
       int status=javac.compile(arg0);
       System.out.println(status);
       
       Class cls = Class.forName(file.getName().substring(0,file.getName().lastIndexOf(".")));
       cls.getMethod("a").invoke(null);

  • 相关阅读:
    rockGenmel stone.txt
    WHICHDAY.txt
    WORKDAYS.txt
    WAIT_YN.txt
    WEEKDAYS.txt
    WHEREXY.txt
    KeySelected.txt
    WINDOW.txt
    UPPER.txt
    ParentShapes It.txt
  • 原文地址:https://www.cnblogs.com/interdrp/p/1887118.html
Copyright © 2011-2022 走看看