我可以使用哪个客户端js库上传文件，可以限制文件大小

Question

我可以使用哪个js库从任何浏览器上传文件，并允许客户端限制文件大小

Answer 1

dropzone.js can. dropzone website their example:

Dropzone.options.myAwesomeDropzone = {
  paramName: "file", // The name that will be used to transfer the file
  maxFilesize: 2, // MB
  accept: function(file, done) {
    if (file.name == "justinbieber.jpg") {
      done("Naha, you don't.");
    }
    else { done(); }
  }
};

Answer 2

Try jquery File Uploader

it has option

maxFileSize

The maximum allowed file size in bytes.

Type: integer Default: undefined Example: 10000000 // 10 MB Note: This option has only an effect for browsers supporting the File API.

But old browsers don't support this feature. And unlikely there are any way to fix it

Answer 3

尝试https://github.com/mailru/FileAPI我们在我们的Web项目中使用该库，在除android默认浏览器以外的任何浏览器中均可正常运行。