kevintop

/*
		12306 Auto Login => A javascript snippet to help you auto login 12306.com.
		Copyright (C) 2011 Kevintop
		
		Includes jQuery
		Copyright 2011, John Resig
		Dual licensed under the MIT or GPL Version 2 licenses.
		http://jquery.org/license

		Includes 12306.user.js

kevintop

/*
		12306 Auto Submit => A javascript snippet to help you auto submit.
		Copyright (C) 2011 Kevintop
		
		Includes jQuery
		Copyright 2011, John Resig
		Dual licensed under the MIT or GPL Version 2 licenses.
		http://jquery.org/license

		Includes 12306.user.js

kevintop

(function(){
  if (!window.ed10010) {
		$('#buyForm').submit(function(event){
			var price = parseFloat($('.lineThrough').text().substring(1));

			if (isNaN(price)) {
				window.alert('找不到原价，刷新页面后重试');
				window.location.reload();
				return false;
			}

kevintop

(function() {
	var interval = 50;
	var goBuyF = window.setInterval("goBuy()", interval);
	var rebackF = window.setInterval("reback()", interval);
	this.goBuy = function() {
		var buyNextBtn = document.getElementById('buyNext');
		if (buyNextBtn) {
			buyNextBtn.click();
			window.clearInterval(goBuyF)
		}

kevintop

1. jps或top 获取java的进程id
2. top -H -p java进程id ，可以看到各个线程占用的CPU时间
3. 找出占用CPU时间最高的线程PID, python -c "print hex(线程PID)" ，获取线程ID的16进制表示
4. jstack java进程id | less 根据16进制的线程ID查找具体线程的执行情况

kevintop

#!/bin/bash

if [ $# -eq 0 ];then
  echo "please enter java pid"
  exit -1
fi

pid=$1
jstack_cmd=""