如何在选择文件时自动提交上传表单？ [英] How do I auto-submit an upload form when a file is selected?

问题描述

我有一个简单的文件上传表单。如何在选择文件时自动提交？我不希望用户必须点击提交按钮。

I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.

推荐答案

您可以简单地调用表单的在您的文件输入的 onchange 事件中提交方法。

You can simply call your form's submit method in the onchange event of your file input.

document.getElementById("file").onchange = function() {
    document.getElementById("form").submit();
};

http://jsfiddle.net/cwvc4/73/

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