我在寻找相同的东西，并找到了答案 使用javascript/jquery触发文件上传对话框 一个正在运行的例子在 http://jsfiddle.net/CSvjw/

I was looking for the same thing and found an answer at trigger file upload dialog using javascript/jquery and a running example is at http://jsfiddle.net/CSvjw/

它只是做

$('#test').trigger('click');