php防止刷新交付

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Release: 2016-06-13 13:20:10
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php防止刷新提交
怎样防止刷新页面时,再次提交数据到数据库?

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通过session来判断
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你是要防止表单重复提交? 那就用js做啊。
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提交表单用onclick来触发,去掉默认的submit...
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简单的方法是通过session来判断,也可以通过token
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使用session来控制。

在form的页面,设置一个session,放在一个form field里。submit后,检验session是否和form field一样。用完后,把session的值改变。

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