html上传文件，图片的插件

/* 上传封面图片控件 */
function UploadCoverPic() {
$("#upload").uploadify({
\'auto\': true,
\'successTimeout\': 99999,
\'cancelImg\': \'/JS/Uploadify/uploadify-cancel.png\',
\'swf\': \'/Js/Uploadify/uploadify.swf\',
\'uploader\': \'/PrintDev/UploadThemePictures\',
\'buttonImage\': \'\',
\'buttonText\': \'上传封面\',
\'width\': \'110\',
\'height\': \'30\',
\'fileTypeDesc\': \'支持的格式：\',
\'fileTypeExts\': \'*.jpg;*.jpge;*.gif;*.png\',
\'fileSizeLimit\': \'3MB\',
\'overrideEvents\': [\'onDialogClose\', \'onUploadSuccess\', \'onSelectError\'],
\'onUploadProgress\': function (file, bytesUploaded, bytesTotal, totalBytesUploaded, totalBytesTotal) {
},
\'onSelect\': function (file) {
},
\'onSelectError\': onSelectError,
\'onFallback\': onFallback,
\'onUploadSuccess\': function (file, data, response) {
if (data == "1") {
AlertDialog("请勿上传重复资源!", true, "确定");
}
else if (data == "0") {
AlertDialog("图片上传失败!", true, "确定");
}
else {
$(\'#imglist .img_item img\').attr("src", data);
$("#Path").val(data);
}
},

//所有文件都上传完成触发的事件
\'onQueueComplete\': function (queueData) {
updatebl = false;
},
//开始上传时触发的事件
\'onEnable\': function () {//开始上传
updateb = true;
},
\'onSelectOne\': function () {//开始上传
updatebl = true;
},
\'onAllComplete\': function () {//完成上传
updatebl = false;
}
});

}