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 |     //获得额外参数的方法
    fodderType = function() {
            return $("#fodderTypeSelect").val();
        };
          
    //初始化fileinput控件(第一次初始化)
    function initFileInput(ctrlName, FileExtensions, fileSize) {
            var control = $('#' + ctrlName);
            control.fileinput({
                language: 'zh', //设置语言
                uploadUrl: "/WxMedia/ImageUpload", //上传的地址
                allowedFileExtensions: FileExtensions, //接收的文件后缀
                showUpload: true, //是否显示上传按钮
                showCaption: true, //是否显示标题,
                maxFileSize: fileSize * 1000, //单位为kb,如果为0表示不限制文件大小
                browseClass: "btn btn-primary", //按钮样式
                previewFileIcon: "<i class='glyphicon glyphicon-king'></i>",
                initialCaption: "请选择上传素材",
                uploadExtraData: function(previewId, index) {   //额外参数的关键点
                    var obj = {};
                    obj.fodder = fodderType();
                    console.log(obj);
                    return obj;
                }
            });
        }
 |