/// <summary>

        /// 上传图片

        /// </summary>

        /// <returns></returns>

        [HttpPost]

        public ResultData uploadImage()

        {

            ResultData result = new ResultData();

            try

            {

                string path = "/tmp/";

                HttpPostedFile file = System.Web.HttpContext.Current.Request.Files["content"]; //对应小程序 name

                string parameters = string.Format("postData:{0}", file.ToString());

                //获取文件

                if (file != null)

                {

                    Stream sr = file.InputStream;        //文件流

                    Bitmap bitmap = (Bitmap)Bitmap.FromStream(sr);

                    path += file.FileName;

                    string currentpath = System.Web.HttpContext.Current.Server.MapPath("~");

                    bitmap.Save(currentpath + path);

                }

                result.status = ;

                result.data = path;

            }

            catch (Exception vErr)

            {

                result.status = -;

                result.detail = vErr.Message;

                return result;

            }

            return result;

        }

    public class ResultData

    {

        public int status { get; set; }

        public string data { get; set; }

        public string detail { get; set; }

    }

var chooseImage = (t, count) =>{

    wx.chooseImage({

        count: count,

        sizeType: ['original', 'compressed'],

        sourceType: ['album', 'camera'],

        success: (res) => {

            var imgArr = t.data.upImgArr || [];

            let arr = res.tempFiles;

            // console.log(res)

            arr.map(function(v,i){

                v['progress'] = ;

                imgArr.push(v)

            })

            t.setData({

                upImgArr: imgArr

            })

            let upFilesArr = getPathArr(t);

            if (upFilesArr.length > count-) {

                let imgArr = t.data.upImgArr;

                let newimgArr = imgArr.slice(, count)

                t.setData({

                    upFilesBtn: false,

                    upImgArr: newimgArr

                })

            }

        },

    });

}

var chooseVideo = (t,count) => {

    wx.chooseVideo({

        sourceType: ['album', 'camera'],

        maxDuration: ,

        compressed:true,

        camera: 'back',

        success: function (res) {

            let videoArr = t.data.upVideoArr || [];

            let videoInfo = {};

            videoInfo['tempFilePath'] = res.tempFilePath;

            videoInfo['size'] = res.size;

            videoInfo['height'] = res.height;

            videoInfo['width'] = res.width;

            videoInfo['thumbTempFilePath'] = res.thumbTempFilePath;

            videoInfo['progress'] = ;

            videoArr.push(videoInfo)

            t.setData({

                upVideoArr: videoArr

            })

            let upFilesArr = getPathArr(t);

            if (upFilesArr.length > count - ) {

                t.setData({

                    upFilesBtn: false,

                })

            }

            // console.log(res)

        }

    })

}

// 获取 图片数组 和 视频数组 以及合并数组

var getPathArr = t => {

    let imgarr = t.data.upImgArr || [];

    let upVideoArr = t.data.upVideoArr || [];

    let imgPathArr = [];

    let videoPathArr = [];

    imgarr.map(function (v, i) {

        imgPathArr.push(v.path)

    })

    upVideoArr.map(function (v, i) {

        videoPathArr.push(v.tempFilePath)

    })

    let filesPathsArr = imgPathArr.concat(videoPathArr);

    return filesPathsArr;

}

/**

 * upFilesFun(this,object)

 * object:{

 *    url     ************   上传路径 (必传)

 *    filesPathsArr  ******  文件路径数组

 *    name           ******  wx.uploadFile name

 *    formData     ******    其他上传的参数

 *    startIndex     ******  开始上传位置 0

 *    successNumber  ******     成功个数

 *    failNumber     ******     失败个数

 *    completeNumber  ******    完成个数

 * }

 * progress:上传进度

 * success：上传完成之后

 */

var upFilesFun = (t, data, progress, success) =>{

    let _this = t;

    let url = data.url;

    let filesPath = data.filesPathsArr ? data.filesPathsArr : getPathArr(t);

    let name = data.name || 'file';

    let formData = data.formData || {};

    let startIndex = data.startIndex ? data.startIndex : ;

    let successNumber = data.successNumber ? data.successNumber : ;

    let failNumber = data.failNumber ? data.failNumber : ;

    if (filesPath.length == ) {

      success([]);

      return;

    }

    const uploadTask = wx.uploadFile({

        url: url,

        filePath: filesPath[startIndex],

        name: name,

        formData: formData,

        success: function (res) {

            var data = res.data

            successNumber++;

            // console.log('success', successNumber)

            // console.log('success',res)

            // 把后台返回的地址链接存到一个数组

            let uploaded = t.data.uploadedPathArr || [];

            var da = JSON.parse(res.data);

            // console.log(da)

            if (da.code == ) {

                // ### 此处可能需要修改 以获取图片路径

                uploaded.push(da.data)

                t.setData({

                    uploadedPathArr: uploaded

                })

            }

        },

        fail: function(res){

            failNumber++;

            // console.log('fail', filesPath[startIndex])

            // console.log('failstartIndex',startIndex)

            // console.log('fail', failNumber)

            // console.log('fail', res)

        },

        complete: function(res){

            if (startIndex == filesPath.length -  ){

                // console.log('completeNumber', startIndex)

                // console.log('over',res)

                let sucPathArr = t.data.uploadedPathArr;

                success(sucPathArr);

                t.setData({

                    uploadedPathArr: []

                })

                console.log('成功：' + successNumber + " 失败：" + failNumber)

            }else{

                startIndex++;

                // console.log(startIndex)

                data.startIndex = startIndex;

                data.successNumber = successNumber;

                data.failNumber = failNumber;

                upFilesFun(t, data, progress, success);

            }

        }

    })

    uploadTask.onProgressUpdate((res) => {

        res['index'] = startIndex;

        // console.log(typeof (progress));

        if (typeof (progress) == 'function') {

            progress(res);

        }

        // console.log('上传进度', res.progress)

        // console.log('已经上传的数据长度', res.totalBytesSent)

        // console.log('预期需要上传的数据总长度', res.totalBytesExpectedToSend)

    })

}

module.exports = { chooseImage, chooseVideo, upFilesFun, getPathArr}