Jack
@lijie_1010
Member
NO. 14240 / 2014-07-25
2 Topics
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2 Replies
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model 中校验的错误信息如何在 view 中显示出来 at January 23, 2015
return 的值就是返给页面显示的值
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请教高手，rails 如何给上传图片加水印 at January 23, 2015
安装 imagemagic 然后 rails 调用 system "composite -gravity southeast c:\image\src.jpg c:\image\coverback.jpg c:\image\new.jpg"命令行合并图片，搞定