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javascript - 大文件上传前端怎么处理？

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Release： 2016-06-06 20:42:18
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包括断点续传之类的

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包括断点续传之类的

百度前端的 WebUploader 使用了文件分块上传，可能会解决你的问题

断点续传这种需求，只能通过插件或者独立应用实现。

使用插件上传还有一个好处，就是可以在客户本地判重，既让客户感到“秒传”的飞速，又能降低服务器负载。

可以使用html5的file文件API中的slice切割技术来达到你想要的目的，具体实现方法，请查看官方给出的文档。

plupload
WebUploader

七牛的断点续传思想值得借鉴，前端的话plupload能处理上传的各种需求（包括跨浏览器的文件分片），另外要实现续传，需要前后端在接口上配合协调

Related labels：
javascript php
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