怎么在不改变图片大小情况下压缩图片质量

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Release: 2016-06-13 13:42:21
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如何在不改变图片大小情况下压缩图片质量?
如何不改变图片大小情况下压缩图片质量?

像PHOTOSHOP一样,可以设置图片质量保存的。

求教,谢谢。

------解决方案--------------------
bool imagejpeg ( resource image [, string filename [, int quality]] )

quality 为可选项,范围从 0(最差质量,文件更小)到 100(最佳质量,文件最大)。默认为 IJG 默认的质量值(大约 75)。 

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