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php中iframe显示两个界面打印问题

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Release: 2016-06-02 11:32:14
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大家好,请教一个问题:一个iframe中通过src传入两个不同的url,假设为urlA和urlB,这两个url中都有打印功能,一开始在urlA界面进行了打印,后来切换到urlB,这时在urlB页面上打印的时候打印的内容居然是urlA页面上打印的内容,内容不匹配,有谁知道这时什么原因吗?这个问题都困扰了我两天了,谢谢指教

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