我在表单文件域。

我希望用户能够选择一个图像，preSS确定，并没有提交表单，preVIEW在一个较小的调整大小的方式形象。如果一切是满意的用户，然后点击提交和图像，以及表单提交...

I want the user to be able to choose an image, press OK, and then without submitting the form, preview the image in a smaller resized way. If everything is to the satisfactory of the user, then hit submit and the image as well as the form is submitted...

你会如何优秀的专业人员做基本？

How would you good professionals do this basically?

感谢

推荐答案

您需要至少提交一个表单，上传的文件，并显示它。您可以模拟一个Ajax由使用iframe 上传。

You need to submit at least a form to upload the file and display it. You can simulate an Ajax upload by using an iframe.