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WebUpload formdata 上传参数

时间:2018-04-23 16:35:29      阅读:413      评论:0      收藏:0      [点我收藏+]

标签:border   开源   oda   flash   app   put   btn   com   inf   

https://www.cnblogs.com/wisdo/p/6159761.html

 

webUploader 是款很好用的优秀的开源上传组件,由百度公司开发,详细的介绍可参见webUploader 的官方文档:

最近在使用webUploader时,需要添加额外的参数,并在后台获取,参数的格式是json,刚开始一直设置不对,在参考了官网的api文档及相关热心网友的回答后,终于弄明白了webUploader 上传参数的设置。设置的方法一般是在uploader 对象创建后的 fileQueued  或 uploadBeforeSend 事件 中设置 ,也可以对webUploader 对象的属性 formData 进行直接 设置。

具体如下 :

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    uploader = WebUploader.create({
                    auto: false,
                    // swf文件路径
                    swf: ‘/Scripts/webUploader/Uploader.swf‘,
 
                    // 文件接收服务端。
                    server: ‘@Url.Action("Upload", "Home")‘,
 
                    // 选择文件的按钮。可选。
                    // 内部根据当前运行是创建,可能是input元素,也可能是flash.
                    pick: ‘#myPicker‘,
 
                   // formData: { "name": name, "desc": desc},
                
                    prepareNextFile:true,
                    chunked: true// 分片上传大文件
                    chunkRetry: 10, // 如果某个分片由于网络问题出错,允许自动重传多少次?
                    thread: 100,// 最大上传并发数
                    method: ‘POST‘,
                    fileSizeLimit: 1024,
 
                    // 只允许选择图片文件。
                    accept: {
                        title: ‘HTML5组态文件‘,
                        extensions: ‘gif,jpg,jpeg,bmp,png‘,
                       mimeTypes: ‘img/*‘
                    }
 
                });
 
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//当文件被加入队列之前触发
uploader.on(‘beforeFileQueued‘, function (file) {
    //如果是单文件上传,把旧的文件地址传过去
    if (!p.multiple) {
        if (p.sendurl.indexOf("action=itemcode") > 0) {
            if ($("#txtItemCode").val() == ‘‘) {
                layer.msg(‘请先填写商品编码再上传图片!‘);
                //layer.alert(‘请先填写商品编码再上传图片!‘);
                return false;
            }
        data.formData= { "name": name, "desc": desc};
        }
    }
    });
 
 
                uploader.on(‘fileQueued‘, function (file) {
                    $("#listFile").append(‘<div id="‘ + file.id + ‘" class="item">‘ +
                        ‘<h4 class="info">‘ + file.name + ‘</h4>‘ +
                        ‘<p class="state">等待上传...</p>‘ +
                    ‘</div>‘);
                });
 
                uploader.on(‘uploadProgress‘, function (file, percentage) {
                    var li = $(‘#‘ + file.id),
                        percent = li.find(‘.progress .progress-bar‘);
                    // 避免重复创建
                    if (!percent.length) {
                        percent = $(‘<div class="progress progress-striped active">‘ +
                          ‘<div class="progress-bar" role="progressbar" style="width: 0%">‘ +
                          ‘</div>‘ +
                        ‘</div>‘).appendTo(li).find(‘.progress-bar‘);
                    }
                    li.find(‘p.state‘).text(‘上传中‘);
                    percent.css(‘width‘, percentage * 100 + ‘%‘);
                });
 
                uploader.on(‘uploadSuccess‘, function (file) {
                    $(‘#‘ + file.id).find(‘p.state‘).text(‘已上传‘);
                });
 
                uploader.on(‘uploadError‘, function (file) {
                    $(‘#‘ + file.id).find(‘p.state‘).text(‘上传出错‘);
                });
 
                uploader.on(‘uploadComplete‘, function (file) {
                    $(‘#‘ + file.id).find(‘.progress‘).fadeOut();
                    //$("#editModal").fadeOut(2000, window.location.reload());
                    //destory();
                    //$("#editModal").destory();
                });
 
 
                //当某个文件的分块在发送前触发,主要用来询问是否要添加附带参数,大文件在开起分片上传的前提下此事件可能会触发多次。
 
                uploader.on(‘uploadBeforeSend‘, function (obj, data, headers) {
                   // data.DelFilePath = parentObj.siblings(".upload-path").val();
                   //  data.ItemCode = $("#txtItemCode").val();
             data.formData= { "name": name, "desc": desc};
                });
 
                uploader.on(‘all‘, function (type) {
                    if (type === ‘startUpload‘) {
                        state = ‘uploading‘;
                    } else if (type === ‘stopUpload‘) {
                        state = ‘paused‘;
                    } else if (type === ‘uploadFinished‘) {
                        state = ‘done‘;
                    }
                    if (state === ‘uploading‘) {
                        $(‘#btnBeginUpload‘).text(‘暂停上传‘);
                    } else {
                        $(‘#btnBeginUpload‘).text(‘开始上传‘);
                    }
                });
 
            } else {
                geap.alertPostMsgDefault("请选择一个文件!", "info");
            }
        });
 
 
   // 点击上传事件
 
  $(‘#btnSave‘).bind(‘click‘, function () {
           var  name = $("#txtName").val();
           var  id = $("#txtId").val();
 
             if (!name || name.length == 0) {
                 alert("请填写名称");
                 return false;
             }
            var obj = new Object();
            obj.name = name;
            obj.id = id;
            uploader.options.formData = obj;
          //  uploader.options.formData = { "name": name, "id": id, };
            if (state === ‘uploading‘) {
                uploader.stop();
            } else {
                uploader.upload();
            }
        });

 

WebUpload formdata 上传参数

标签:border   开源   oda   flash   app   put   btn   com   inf   

原文地址:https://www.cnblogs.com/hfultrastrong/p/8919732.html

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