douzhi1919 2016-09-25 10:21
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在上传到服务器之前检查上传文件大小

I am trying to upload image using laravel and successfully uploaded images and everything worked fine and I tried to check if validation is working so I tried to upload a mp3 file, at first I get error from laravel.

TokenMismatchException in VerifyCsrfToken.php line 67:

So I googled and I got information that I have to change post_max_size in php.ini file.
So I changed to 40 and my error is gone and I get form validation error file must be image, which is what I expected and then I got a doubt what if someone uploads file greater than 40. So that I am asking this.
How can I set an error message before laravel gives me this

TokenMismatchException in VerifyCsrfToken.php line 67:

I know I can use jquery.prefer (php based) validation. How can I do that? I have seen example here: http://laravel.io/forum/02-20-2014-l40-csrf-tokenmismatchexception-when-uploading-large-files, but I don't know how to implement it. Please give some advice or where to write code in the above link.

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