Pu Zhibing
昨天 a3698ecb84be4192754d7b2092491e727dbccec7
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/**
 * web-upload 工具类(上传图片)
 * 
 * 约定:
 * 上传按钮的id = 图片隐藏域id + 'BtnId'
 * 图片预览框的id = 图片隐藏域id + 'PreId'
 */
(function() {
    
    var $WebUploadImage = function(pictureId) {
        this.pictureId = pictureId;
        this.uploadBtnId = pictureId + "BtnId";
        this.uploadPreId = pictureId + "PreId";
        this.uploadUrl = Feng.ctxPath + '/upload/image';
        this.fileSizeLimit = 100 * 1024 * 1024;
        this.picWidth = 800;
        this.picHeight = 800;
        this.uploadBarId = null;
    };
 
    $WebUploadImage.prototype = {
 
        /**
         * 初始化webUploader
         */
        init : function() {
            console.log(111)
            var uploader = this.create();
            this.bindEvent(uploader);
            return uploader;
        },
        
        /**
         * 创建webuploader对象
         */
        create : function() {
            var webUploader = WebUploader.create({
                auto : true,
                pick : {
                    id : '#' + this.uploadBtnId,
                    multiple : false,// 只上传一个
                },
                accept : {
                    title : 'Images',
                    extensions : 'gif,jpg,jpeg,bmp,png',
                    mimeTypes : 'image/gif,image/jpg,image/jpeg,image/bmp,image/png'
                },
                swf : Feng.ctxPath
                        + '/static/js/plugins/webuploader/Uploader.swf',
                disableGlobalDnd : true,
                duplicate : true,
                server : this.uploadUrl,
                fileSingleSizeLimit : this.fileSizeLimit
            });
            
            return webUploader;
        },
 
        /**
         * 绑定事件
         */
        bindEvent : function(bindedObj) {
            var me =  this;
            bindedObj.on('fileQueued', function(file) {
                var $li = $('<div><img width="200px" height="200px"></div>');
                var $img = $li.find('img');
 
                $("#" + me.uploadPreId).html($li);
 
                // 生成缩略图
                bindedObj.makeThumb(file, function(error, src) {
                    if (error) {
                        $img.replaceWith('<span>不能预览</span>');
                        return;
                    }
                    $img.attr('src', src);
                }, me.picWidth, me.picHeight);
            });
 
            // 文件上传过程中创建进度条实时显示。
            bindedObj.on('uploadProgress', function(file, percentage) {
                $("#"+me.uploadBarId).css("width",percentage * 100 + "%");
            });
 
            // 文件上传成功,给item添加成功class, 用样式标记上传成功。
            bindedObj.on('uploadSuccess', function(file,response) {
                if (response.code == 200) {
                    Feng.success("上传成功");
                    $("#" + me.pictureId).val(response.data);
                } else {
                    Feng.error("上传失败");
                }
            });
 
            // 文件上传失败,显示上传出错。
            bindedObj.on('uploadError', function(file) {
                Feng.error("上传失败");
            });
 
            // 其他错误
            bindedObj.on('error', function(type) {
                if ("Q_EXCEED_SIZE_LIMIT" == type) {
                    Feng.error("文件大小超出了限制");
                } else if ("Q_TYPE_DENIED" == type) {
                    Feng.error("文件类型不满足");
                } else if ("Q_EXCEED_NUM_LIMIT" == type) {
                    Feng.error("上传数量超过限制");
                } else if ("F_DUPLICATE" == type) {
                    Feng.error("图片选择重复");
                } else {
                    Feng.error("上传过程中出错");
                }
            });
 
            // 完成上传完了,成功或者失败
            bindedObj.on('uploadComplete', function(file) {
            });
        },
 
        /**
         * 设置图片上传的进度条的id
         */
        setUploadBarId: function (id) {
            this.uploadBarId = id;
        }
    };
 
    window.$WebUploadImage = $WebUploadImage;
 
}());