javax.imageio.IIOException: Can't create output stream!tomcat 验证码，图片(原理)
2017-09-15 16:47
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转载：
http://feitianbenyue.iteye.com/blog/1743281
ImageIO.write(image, “JPEG”, os) 这种方式 来生成图片、验证码 tomcat必须要有temp文件
http://feitianbenyue.iteye.com/blog/1743281
ImageIO.write(image, “JPEG”, os) 这种方式 来生成图片、验证码 tomcat必须要有temp文件
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