已测试,所有浏览器兼容性可以 关键参数: "pSize":"300|300|180|252", 可以继续增加需要的分辨率比如 "300|300|180|252|170|242|160|222" "uploadUrl":"../../getMyPic.action" 后台接受的action 关键代码: Filefile1=newFile(fPath); ImageInputStreamii=ImageIO.createImageInputStream(getRequest() .getInputStream()); BufferedImagebr=