在程序中编译 Java 源码，程序编译java源码,package ex.t

在程序中编译 Java 源码，程序编译java源码,package ex.t

package ex.tajti.tools;import javax.tools.Diagnostic;import javax.tools.DiagnosticListener;import javax.tools.JavaCompiler;import javax.tools.JavaFileObject;import javax.tools.StandardJavaFileManager;import javax.tools.ToolProvider;/** * * @author ákos tajti */public class Compiler {    /**     * compiles a java source file with the given <code>fileName</code>     *      * @param fileName     */    public void compile(String fileName) {        /*         * the compiler will send its messages to this listener         */        DiagnosticListener listener = new DiagnosticListener() {            public void report(Diagnostic diagnostic) {                System.err.println("gond: " + diagnostic.getMessage(null));                System.err.println("sor: " + diagnostic.getLineNumber());                System.err.println(diagnostic.getSource());            }        };        //getting the compiler object        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();        StandardJavaFileManager manager = compiler.getStandardFileManager(null, null, null);        Iterable<? extends JavaFileObject> files = manager.getJavaFileObjects(fileName);        JavaCompiler.CompilationTask task = compiler.getTask(null, manager, listener, null, null, files);        // the compilation occures here        task.call();    }}//该片段来自于http://byrx.net