
以上为代码,然后就是,写出来的 JPG 文件,前者无法正常查看并且比可正常查看的后者相差几个字节。
1 JingNi OP <?php //$base64 = $_POST['content']; $base64 = "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"; echo $base64; $img = base64_decode($base64); $fp=fopen("test.jpg","w"); fwrite($fp,$img);//写入 ?> |
2 jamesliu96 Jul 29, 2019 via Android 你把它俩===一下看看 |
3 nifury Jul 29, 2019 盲猜 If you do not specify the 'b' flag when working with binary files, you may experience strange problems with your data, including broken image files and strange problems with \r\n characters. |
4 jaskle Jul 29, 2019 via Android PHP 是世界上最好的语言 |
5 holosola Jul 29, 2019 via Android post 接收的时候会把内容里的+号变空格 |
7 WuwuGin Jul 29, 2019 那肯定是 post 里面的数据有问题啊 |
8 JingNi OP 谢谢大家熬,我已经解决了,如果把 POST 的内容 url 编码后,就可以正常处理。至于是什么原因就不知道了,反正之前确实 echo 出来的东西一模一样,不是 POST 处理环节的问题。似乎和这位 @holosola 老哥说的一样,这个+可能有问题。后面解决了我就没去对比了。 |
10 rrfeng Jul 29, 2019 base64_urlsafe() 了解一下 |