java 变量获取 type,从Java程序获取局部变量的名称和类型

This is the code which I am trying out:

JavaCompiler compilerA = ToolProvider.getSystemJavaCompiler();

int resultA = compilerA.run(null,null,null,"/Users/a/Documents/Java/a.java");

System.out.println("Compile result code = " + resultA);

File fileA = new File("/Users/a/Documents/Java/a.class");

JavaCompiler compilerB = ToolProvider.getSystemJavaCompiler();

int resultB = compilerB.run(null,null,null,"/Users/a/Documents/Java/b.java");

System.out.println("Compile result code = " + resultB);

File fileB = new File("/Users/a/Documents/Java/b.class");

Here I am compiling a Java class and then using reflection to get all the function names, parameters and return types. However, I have no clue how to get the names and return types of the local variables of the functions. I tried looking up bytecode outline but it says it isn't available for netbeans. Please help me out.

解决方案

Look at the javac compiler options. Especially -g:vars.

This fills the local variable table for debuggers.