微信小程序上传单张或多张图片

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chooseImage: function () {
        let that = this;
        let worksImgs = that.data.worksImgs;
        let len = that.data.worksImgs.length;
        wx.chooseImage({
            count:  - len, //最多选择9张图片
            sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有
            sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
            success: function (res) {
                console.log(res);
                // 返回选定照片的本地文件路径列表，tempFilePath可以作为img标签的src属性显示图片
                if (res.tempFilePaths.count == ) {
                    return;
                }
                let tempFilePaths = res.tempFilePaths;
                // let token = app.data.uptoken;
                //上传图片 循环提交
                for (let i = ; i < tempFilePaths.length; i++) {
                    wx.uploadFile({
                        url: 'url', //此处换上你的接口地址
                        filePath: tempFilePaths[i],
                        name: 'upload_file',
                        header: {
                            "Content-Type": "multipart/form-data",
                            'accept': 'application/json',

                        },
                        success: function (res) {
                            console.log(res);
                            let data = JSON.parse(res.data); // 这个很关键
                            worksImgs.push(data.data.url);
                            that.setData({
                                worksImgs: worksImgs
                            })
                        }
                    })
                }

            }
        })
    },
    // 删除上传的图片
    deleteImg: function (e) {
        var worksImgs = this.data.worksImgs;
        var itemIndex = e.currentTarget.dataset.index;
        worksImgs.splice(itemIndex, );
        this.setData({
            worksImgs: worksImgs
        })
    },
    // 提交个人作品
    submitWorks:function(){
        let that = this;
        let worksImgs = String(that.data.worksImgs);
        let obj = {
            store_id: that.data.store_id,
            mode_id: that.data.mode_id,
            works_img: worksImgs,
            works_info: that.data.works_info,
            is_xs :
        }
        if (obj.works_img.length ==  || obj.works_info == ''){
            wx.showModal({
                title: '提示',
                content: '数据不能为空！',
                showCancel: false,
            })
        }else{
            utils.postRequest('Mode/worksAdd', obj, '加载中', (res) => {
                if (res.data.rc == ) {
                    wx.showModal({
                        title: '提示',
                        content: '作品上传成功',
                        showCancel: false,
                        success: function (res) {
                            if (res.confirm) {
                                that.setData({
                                    isUpWork: false
                                })
                                that.onShow();
                            }
                        }
                    })
                } else {
                    wx.showModal({
                        title: '提示',
                        content: '作品上传失败',
                        showCancel: false,
                        success: function (res) {
                            if (res.confirm) {
                                that.setData({
                                    isUpWork: false
                                })
                                that.onShow();
                            }
                        }
                    })
                }
            })
        }

    },

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