public static String getTraceInfo(){

        StringBuffer sb = new StringBuffer();     

        StackTraceElement[] stacks = new Throwable().getStackTrace();

        int stacksLen = stacks.length;

        sb.append("class: " ).append(stacks[1].getClassName()).append("; method: ").append(stacks[1].getMethodName()).append("; number: ").append(stacks[1].getLineNumber());    

        return sb.toString();

    }    

String _methodName =  

new Exception().getStackTrace()[1].getMethodName();// 获得调用者的方法名  

String _thisMethodName =  

new Exception().getStackTrace()[0].getMethodName();// 获得当前的方法名