如何将 16 进制的文本还原成 png 图像

This topic created in 4109 days ago, the information mentioned may be changed or developed.

现在有一段文本，是把png图片转成文本了，也就是用16进制写出来了。现在我想还原出来，比如：

89504e470d0a1a0a0000000d4948445200000064000000280403000000fa5642700000001874455874313432363433313337303a2d3236373339333237303a3331c7cf7c0300000030504c5445ffffffefefefdfdfdf9f9f9f2f2f2f5f5f5f7f7f7fafafaf8f8f8fcfcfcfbfbfbf3f3f3f6f6f6f4f4f4f1f1f1f0f0f0f9488379c000003b549444154388d6360188e404891541dc22e6145e8628c65a19d708ee04474e9d5e1366e02a8424cbdefff7f0986a8149adeba67219a96b3cb16f9226be19cc060fd7f5b95c9bfbdc70c1898969b857609f64c40d1c1e9dcc1f80d488b5742f8e22ebeb5ffb70b30b0feffffffd1e4b69c740506069d04142d6c0f2f327b02755ed9bb07d52ca199ab8ab48c17828287391245862fb241b5818141f4d94a88eb0405943043501c8557d7acd00ab4bbaf00c8066a628fa9f47fc1c038cdffffbf27bbaf2e9cc4c0a0a9304152015907e3dd7226908b663170ee7f92047467c4b2ffd719d4deff07830023cd8ab39d51750f90b5b0bf28624acb00458ceebb58b7090cbc974dfe9d64580dd1f1ee71735a8e5f5766fe01642d323b2630489919727529d879cc0839c9b024d3eedf21063160bcec8df5fff7252679d1bee949f106c85a966430300a320ac8182bc4474a9ade9999dd64f7ff0003e3aa

最好是php代码，能够在Html里显示出来
我的思路是取每两位写成二进制文件，然后读出来，不过感觉好麻烦啊，不知有没有现成的库或者函数，不用写文件的

Supplement 1 · Mar 16, 2015

已解决，感谢二楼
用php将字符串转成二进制，然后Base64编码，直接img标签输出
base64_encode(pack('H*',$hexadecimal_string));

ps: php果然是世界上最好的语言。。。

文本

PNG

还原

4 replies • 2015-03-16 00:10:46 +08:00