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php怎么实现前台数据自动更新

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Release： 2016-06-13 10:15:56
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php如何实现前台数据自动更新
比如：管理员在后台给客户充值100元，客户在前台不刷新页面的情况下，可以看到自己的金额发生变动了

------解决方案--------------------
前台使用ajax
------解决方案--------------------
有两种方法，一个是AJAX异步刷新，另一个是服务器推送，但是服务器推送比较耗费服务器资源，所有用AJAX异步刷新比较好
------解决方案--------------------
ajax 异步更新

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