javascript - 大文件上传前端怎么处理？
包括断点续传之类的
回复内容：
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
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