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表单上传如何处理同名啊

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Release： 2016-06-06 20:44:54
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如题，表单上传，怎么处理同名不覆盖，比如让其自动重命名，或别的方法？

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如题，表单上传，怎么处理同名不覆盖，比如让其自动重命名，或别的方法？

给文件名加个unix时间戳试试，万一人很多，同时上传且文件重名就坏了

可以试试计算文件名md5值。文件名同意用md5试试

还可以按日期分目录，文件名加随机字符串

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