样式集-发布，发表页面完整代码及示意图

发表页面完整代码示意图

完整代码

wxml代码：

<!--pages/publish/publish.wxml-->
<view class="biaoqing" catchtap="showEmoji"><text>😊</text></view>
<view class="fabiao" catchtap="fabiao">发表</view>

<view class="emoji_block" wx:if='{{showEmoji}}'>
	<view wx:for='{{connectemoji}}' catchtap="add_biaoqing" id="{{item}}" class="emoji" wx:key=''>{{item}}</view>
</view>
<view class="page" data-weui-theme="{{theme}}">
	<view class="weui-form">
		<view class="weui-cell__bd">
			<textarea maxlength="100" value="{{ttval}}" bindinput="ttval" placeholder="写下你对产品的描述……" rows="3"></textarea>

			<video wx:if="{{videoUrl}}" src="{{videoUrl}}"></video>
			<view wx:if="{{!videoUrl}}" class="weui-uploader__bd">
				<view class="weui-uploader__files" id="uploaderFiles">
					<block wx:for="{{files}}" wx:key="*this">
						<view class="weui-uploader__file" bindtap="previewImage" id="{{item}}">
							<image class="weui-uploader__img" src="{{item}}" mode="aspectFill" />
						</view>
					</block>
				</view>
				<view class="weui-uploader__input-box">
					<view class="weui-uploader__input" bindtap="upup"></view>
				</view>
			</view>


			<!-- <view class="weui-textarea-counter"><text>0</text>/200</view> -->
			<input class="product" bindinput="productval" value="{{productName}}" placeholder="请输入产品名称，方便客户搜索" />
			<input class="numble" bindinput="phoneval" value="{{phoneNumble}}" type="numble" placeholder="请输入联系方式" />
			<view class="bbb p_r" catchtap="get_loc">
				<image class="rrr" mode="widthFix" src="/images/editright.png"></image>
				<image class="map_icon" src="/images/map.png"></image>
				<view class="weizhi">{{loc_name?loc_name:"所在位置"}}</view>
			</view>
			<view class="bbb " style="margin-top: 40rpx;">
				<picker bindchange="bindPickerChange" value="{{index}}" range="{{fenleiList}}">
					<view class="p_r">
						<image class="rrr" mode="widthFix" src="/images/editright.png"></image>
						<image class="map_icon" src="/images/img-share-order.png"></image>
						<view class="weizhi">{{fenlei?fenlei:"选择分类"}}</view>
					</view>
				</picker>
			</view>

		</view>
	</view>
</view>
<page-container show="{{container.show}}" overlay="{{container.overlay}}" position="{{container.position}}"
	round="{{container.round}}">
	<view class="containerBlock">
		<view class="containerBlockT">请先扫码关注家博慧公众号，或长按识别关注，可以正常接收工程订单信息。</view>
		<image class="containerBlockI" catchtap="seeGZHImg" src="{{GZHImg}}"></image>
		<image class="containerBlockI2"
			src="https://6d6d-mm-4t7rg-1302506477.tcb.qcloud.la/13MiniIcon/d598e69bf51fefcbf834280672ec66e.jpg"></image>

		<view class="gzhdetail">
			中国门窗工程专业采购竞标权威平台，官方审核工程订单。专业服务室内门、进户门、板材、全屋定制、木工机械等 厂家、经销商、采购商。
		</view>
	</view>
</page-container>
<block wx:if="{{!mch_id}}">
	<view class="containerBlock">
		<view class="containerBlockT" style="margin-top:50rpx;">请先扫码关注家博慧公众号，或长按识别关注，可以正常接收工程订单信息。</view>
		<image class="containerBlockI" catchtap="seeGZHImg" src="{{GZHImg}}"></image>
		<image class="containerBlockI2"
			src="https://6d6d-mm-4t7rg-1302506477.tcb.qcloud.la/13MiniIcon/d598e69bf51fefcbf834280672ec66e.jpg"></image>

		<view class="gzhdetail" style="bottom: 10rpx;">
			中国门窗工程专业采购竞标权威平台，官方审核工程订单。专业服务室内门、进户门、板材、全屋定制、木工机械等 厂家、经销商、采购商。
		</view>
		
		<button class="kefu" open-type="contact">咨询客服</button>
	</view>
</block>

wxss

page{
  background-color: white;
}
.containerBlock{
  position: relative;
}
video{
  width: 400rpx;
  height: 280rpx;
}
.product{
  margin-bottom: 30rpx;
  border-bottom: 1px solid #f2f2f2;
  width: 540rpx;
  font-size: 32rpx;
  margin-top: 40rpx;
}
.numble{
  margin-bottom: 30rpx;
  border-bottom: 1px solid #f2f2f2;
  width: 340rpx;
  font-size: 32rpx;
  margin-top: 20rpx;
}
.upTip{
  line-height: 50rpx;
  margin-right: 30rpx;
}
.weui-form__control-area{
  margin-top: 0px;
}
.biaoqing{
  color: white;
  text-align: center;
  line-height: 60rpx;
  position: absolute;
  right: 170rpx;
  width: 60rpx;
  top: 12rpx;
  height: 60rpx;
  border-radius: 6rpx;
  z-index: 999;
  background-color: cadetblue;
}
.fabiao{
  background-color: #06C35E;
  color: white;
  text-align: center;
  line-height: 60rpx;
  position: absolute;
  right: 20rpx;
  top: 12rpx;
  width: 120rpx;
  height: 60rpx;
  border-radius: 6rpx;
  z-index: 999;
}
.emoji{
  margin-right: 20rpx;
}
.emoji_block{
  display: flex;   flex-wrap:wrap;
  width: 100%;
  position: relative;
  top: 80rpx;
  bottom:50rpx;
  padding: 10rpx;
  padding-bottom: 100rpx;
  font-size: 36rpx;
  /* background-color: #44426a; */
}
.weui-form{
  padding: 0 30px;
}
textarea{
  height: 120rpx;
  margin-top: 30rpx;
}
.kefu{
  width: 190rpx;
  position: fixed;
  bottom: 200rpx;
  right: 10rpx;
  height: 70rpx;
  line-height: 70rpx;
  color: #f2f2f2;
  background-color: rgb(9, 211, 144);
}
.bbb{
  border-top: 1px solid #f3f3f3;
  height: 110rpx;
  
  line-height: 110rpx;
  position: relative;
  border-bottom: 1px solid #f3f3f3;
}
.tips{
  margin-top: 30rpx;
}
.gzh{
  width: 250rpx;
  height: 250rpx;
  position: relative;
  left: 50%;
  margin-left: -125rpx;
}
.map_icon{
  font-size: 42rpx;
  margin-left: 50rpx;
}
.map_icon{
  width: 40rpx;
  position: relative;
  top: 35rpx;
  right: 20rpx;
  height: 45rpx;
}
.weizhi{
  position: relative;
  left: 20rpx;
  font-size: 36rpx;
}
.rrr{
  width: 36rpx;
  top: 39rpx;
  max-height: 50rpx;
  position: absolute;
  right: 40rpx;
}

js

// pages/publish/publish.js
const app = getApp();
const DB = wx.cloud.database()
var that;
var util = require('../../utils/helper');
var yun_file_id_arr = [];
var dynamicAddSuo = false;
var add_dynamic_ing = false;
// var yiyuan = 1 //880
// ['产品推广收费标准', '168元/20条动态', '268元/60条动态', '368元/100条动态']
var yiyuan = 16800 //880
var liangyuan = 26800 //10000
// var liangyuan = 1 //10000
var money = 0;
Page({
    data: {
        mch_id: true,
        container: {
            show: false,
            overlay: true,
            position: "bottom",
            round: true,
        },
        GZHImg: 'https://6d6d-mm-4t7rg-1302506477.tcb.qcloud.la/13MiniIcon/gzh.jpg',
        videoUrl: '', //上传视频路径
        files: [], //上传图片路径 
        fenleiList: ['门窗世界', '辅料板材', '全屋家具', '机械五金'],
        ttval: '',
        fenlei: '',
        showEmoji: false,
        connectemoji: ['😊', '😅', '😲', '😭', '😂', '😄', '😩', '😞', '😵', '😒', '😍',
            '😤', '😜', '😝', '😋', '😘', '😚', '😷', '😳', '😃', '😆', '😁', '😢', '😨',
            '😠', '😣', '😌', '😖', '😔', '😰', '😱', '😪', '😏', '😓', '👍', '🔥', '🌹', '[發]'
        ],
        emoji_list: ['emoji1i1', 'emoji2i2', 'emoji3i3', 'emoji4i4', 'emoji5i5', 'emoji6i6', 'emoji7i7', 'emoji8i8', 'emoji9i9', 'emoji10i10', 'emoji11i11', 'emoji12i12', 'emoji13i13', 'emoji14i14', 'emoji15i15', 'emoji16i16', 'emoji17i17', 'emoji18i18', 'emoji19i19', 'emoji20i20', 'emoji21i21', 'emoji22i22', 'emoji23i23', 'emoji24i24', 'emoji25i25', 'emoji26i26', 'emoji27i27', 'emoji28i28', 'emoji29i29', 'emoji30i30', 'emoji31i31', 'emoji32i32', 'emoji33i33', 'emoji34i34', 'emoji35i35', 'emoji37i37', 'emoji38i38', 'emoji39i39'],

    },
  seeGZHImg() {
    var GZHImg = this.data.GZHImg;
    wx.previewImage({
      current: GZHImg,
      urls: [GZHImg]
    })
  },
    yulan() {

        getApp().core.previewImage({
            urls: ['https://6d6d-mm-4t7rg-1302506477.tcb.qcloud.la/13MiniIcon/gzh.jpg'], // 需要预览的图片http链接列表
            current: ['https://6d6d-mm-4t7rg-1302506477.tcb.qcloud.la/13MiniIcon/gzh.jpg'],
        });
    },
    //实现小程序支付
    pay(payData) {
        //官方标准的支付方法
        wx.requestPayment({
            timeStamp: payData.timeStamp,
            nonceStr: payData.nonceStr,
            package: payData.package, //统一下单接口返回的 prepay_id 格式如：prepay_id=***
            signType: 'MD5',
            paySign: payData.paySign, //签名
            success(res) {
                console.log("支付成功", res)

                if (!that.to_login()) return;
                that.setData({
                    ['container.show']: true
                })
                var up_dynamic_num = 0;
                if (money == yiyuan) {
                    up_dynamic_num = 20
                } else
                if (money == liangyuan) {
                    up_dynamic_num = 60
                } else if (money == 30000) {
                    up_dynamic_num = 100
                }
                that.update_up_dynamic_num(up_dynamic_num, 'isplay')
            },
            fail(res) {
                console.log("支付失败", res)
            },
            complete(res) {
                console.log("支付完成", res)
            }
        })
    },
    update_up_dynamic_num(up_dynamic_num = 0, type) {
        DB.collection('user').doc(wx.getStorageSync('cloud_user')._id).update({
            data: {
                up_dynamic_num
            },
            success: function (res) {
                that.setData({
                    up_dynamic_num
                })
                that.add_dynamic();
                var title
                if (type == 'isplay') {
                    title = '恭喜您，成功购买' + up_dynamic_num + '条动态发表资格'
                } else {
                    title = '您还剩余' + up_dynamic_num + '条动态发表资格'
                }
                wx.showToast({
                    title: title,
                    icon: 'none'
                })
                console.log('up_dynamic_num', res)
            }
        })
    },
    upup() {
        wx.showModal({
            title: '提示',
            content: '请选择上传图片或者视频',
            confirmText: '上传图片',
            cancelText: '上传视频',
            success(res) {
                if (res.confirm) {
                    that.chooseImage()
                    console.log('用户点击确定')
                } else if (res.cancel) {
                    that.chooseVideo()
                    console.log('用户点击取消')
                }
            }
        })
    },
    // 上传视频 
    chooseVideo() {
        wx.chooseVideo({
            sourceType: ['album', 'camera'],
            maxDuration: 60,
            compressed: false,
            camera: 'back',
            success(res) {
                console.log(res.tempFilePath)
                var date = new Date().getTime()
                wx.showLoading({
                    title: '视频上传中···',
                })
                wx.cloud.uploadFile({
                    cloudPath: 'dynamic/' + date + '.mp4',
                    filePath: res.tempFilePath, // 文件路径
                }).then(res => {
                    wx.hideLoading({
                        success: (res) => {
                            wx.showToast({
                                title: '视频上传成功',
                            })
                        },
                    })
                    that.setData({
                        videoUrl: res.fileID,
                        files: [],
                    })
                })
            }
        })
    },
    showEmoji() {
        this.setData({
            showEmoji: true
        })
    },
    bindPickerChange: function (e) {
        console.log('picker发送选择改变，携带值为', e.detail.value)
        var fenleiList = this.data.fenleiList;
        this.setData({
            fenlei: fenleiList[e.detail.value]
        })
    },
    add_biaoqing(e) {
        let txt = this.data.ttval;
        txt = txt + e.currentTarget.id;
        this.setData({
            ttval: txt,
            showEmoji: false
        })
    },
    get_loc() {
        wx.chooseLocation({
            success: function (res) {
                console.log(res)
                that.setData({
                    loc_name: res.name,
                    address: res.address,
                    latitude: res.latitude,
                    longitude: res.longitude,
                })
            }
        })
    },
    onLoad(option) {
        that = this
        if (option.virtual_openId) {
            this.data.virtual_openId = option.virtual_openId
            this.data.name = option.name
            this.data.head = option.head
        }

        var mch_id = wx.getStorageSync('mch_id')
        var phoneNumble = wx.getStorageSync('phoneNumble') || ''
        var productName = wx.getStorageSync('productName') || ''
        this.setData({
            phoneNumble,mch_id,
            productName
        })

        getApp().request({
            url: getApp().api.user.isopenshop,
            success: (res => {
                console.log(res)
                if (res.data == 1) {
                    mch_id = res.mch_id;
                }
                wx.setStorageSync('mch_id', mch_id)
                that.setData({
                    dian_value: res.data,
                    mch_id: mch_id,
                })
                console.log('??????a')
                that.getDynamicNum()

            })
        })
    },
    getDynamicNum() {

        DB.collection('user').doc(wx.getStorageSync('cloud_user')._id).get().then(res => {
            console.log('resss', res)
            this.setData({
                cloudUserInfo: res.data,
                up_dynamic_num: res.data.up_dynamic_num
            })
        })
    },
    ttval(e) {
        console.log(e.detail.value);
        this.setData({
            ttval: e.detail.value
        })
    },
    productval(e) {
        console.log(e.detail.value);
        wx.setStorageSync('productName', e.detail.value)
        this.setData({
            productName: e.detail.value
        })
    },
    phoneval(e) {
        console.log(e.detail.value);
        wx.setStorageSync('phoneNumble', e.detail.value)
        this.setData({
            phoneNumble: e.detail.value
        })
    },
    up_img(item_idx, end_idx, promise_ress) {
        console.log("item_idx, end_idx", item_idx, end_idx);
        if (item_idx == end_idx) {
            promise_ress(true)
            return
        }
        var files = this.data.files;
        var date = new Date().getTime()
        wx.cloud.uploadFile({
            cloudPath: 'dynamic/' + date + '.png',
            filePath: files[item_idx], // 文件路径
        }).then(res => {
            yun_file_id_arr.push(res.fileID)
            console.log('yun_file_id_arr1', yun_file_id_arr)
            item_idx++;
            this.up_img(item_idx, end_idx, promise_ress)
        }).catch(error => {
            // handle error
        })
    },
    isTs(txt) {
        wx.showModal({
            title: '提示',
            content: txt,
            showCancel: false,
            success(res) {
                if (res.confirm) {
                    console.log('用户点击确定')
                } else if (res.cancel) {
                    console.log('用户点击取消')
                }
            }
        })
    },
    // 发表上传数据
    upData(type) {
        let connectemoji = this.data.connectemoji
        let txt = this.data.ttval;
        for (let i = 0; i < connectemoji.length; i++) {
            txt = txt.replace(new RegExp(connectemoji[i], 'g'), this.data.emoji_list[i])
        }
        var userInfo = wx.getStorageSync('USER_INFO')
        if (!userInfo) {
            wx.showToast({
                title: '暂未登录',
                icon: 'none'
            })
            return
        }
        if (type == 'img') {
            console.log('yun_file_id_arr2', yun_file_id_arr)
            if (yun_file_id_arr.length == 0) {
                this.isTs('请上传图片')
                return
            }
        }
        var phoneNumble = this.data.phoneNumble
        if (!phoneNumble) {
            this.isTs('请输入联系方式')
            return
        }

        var productName = this.data.productName
        if (!productName) {
            this.isTs('请输入产品名称')
            return
        }

        if (!txt) {
            this.isTs('请输入产品描述')
            return
        }
        var loc_name = this.data.loc_name
        // if (!loc_name) {
        //     this.isTs('请选择所在位置')
        //     return
        // }

        var fenlei = this.data.fenlei
        if (!fenlei) {
            this.isTs('请选择分类')
            return
        }

        var data = {
            xiangfa: txt,
            fenlei: this.data.fenlei,
            fileType: type,
            phoneNumble,
            productName,
            mch_id: wx.getStorageSync('mch_id') || "",
            name: userInfo.nickname,
            head: userInfo.avatar_url,
            time: util.formatTime(new Date()),
            createTime: new Date().getTime(),
            userId: userInfo.id,
            loc_name: loc_name,
            latitude: this.data.latitude,
            longitude: this.data.longitude,
        };
        if (this.data.virtual_openId) {
            data.virtual_openId = this.data.virtual_openId;
            data.name = this.data.name;
            data.head = this.data.head;
        }
        if (type == 'img') {
            data.yun_file_id_arr = yun_file_id_arr;
        } else {
            data.videoUrl = this.data.videoUrl
        }
        yun_file_id_arr = [];
        console.log('data', data)
        if (dynamicAddSuo) {
            wx.showToast({
                title: '请勿频繁操作',
                icon: 'none'
            })
            return
        }
        dynamicAddSuo = true
        setTimeout(() => {
            dynamicAddSuo = false
            wx.hideLoading({
                success: (res) => {},
            })
        }, 10000);
        wx.showLoading({
            title: '发表中',
        })
        DB.collection('dynamic').add({
            // data 字段表示需新增的 JSON 数据
            data: data
        }).then(res => {
            wx.hideLoading({
                success: (res) => {},
            })
            var time = new Date().getTime();
            // 一个小时可以发两条
            wx.setStorageSync('up_dynamic_time', time)
            var up_dynamic_num = wx.getStorageSync('up_dynamic_num')
            if (!up_dynamic_num && up_dynamic_num != 0) {
                wx.setStorageSync('up_dynamic_num', 2)
            } else if (up_dynamic_num) {
                up_dynamic_num -= 1;
                wx.setStorageSync('up_dynamic_num', up_dynamic_num)
            }
            console.log('up_dynamic_num发布成功', up_dynamic_num)
            console.log(res)
            if (!this.data.mch_id) {
                var up_dynamic_num_data = this.data.up_dynamic_num - 1;
                that.update_up_dynamic_num(up_dynamic_num_data)
                this.setData({
                    up_dynamic_num: up_dynamic_num_data
                })
            }
            wx.showToast({
                title: '上传完毕',
                icon: 'none'
            })
            wx.navigateBack({
                delta: 1,
            })
            // wx.redirectTo({
            //     url: '/pages/findList/findList',
            // })
        })
    },
    go_tanchuang() {
        wx.showActionSheet({
            // itemList: ['产品推广收费标准', '100元/20条动态', '300元/100条动态'],
            itemList: ['产品推广收费标准', '168元/20条动态', '268元/60条动态', '368元/100条动态'],
            success(res) {
                console.log(res.tapIndex)
                if (res.tapIndex == 0) {
                    that.fabiao()
                    return
                }
                if (res.tapIndex == 1) {
                    money = yiyuan;
                }
                if (res.tapIndex == 2) {
                    money = liangyuan;
                }
                if (res.tapIndex == 3) {
                    money = 36800;
                }
                var data = {
                    orderid: new Date().getTime() + '',
                    money: money
                }
                wx.cloud.callFunction({
                    name: "pay",
                    data: data,
                    success(res) {
                        console.log("提交成功", res.result)
                        that.pay(res.result)
                    },
                    fail(res) {
                        console.log("提交失败", res)
                    }
                })
            },
            fail(res) {
                console.log(res.errMsg)
            }
        })
    },
    to_login() {
      if (wx.getStorageSync("USER_INFO")) {
        return true
      } else {
        wx.navigateTo({
          url: '/pages/user/user'
        })
        return false
      }
    },
    // 发表
    fabiao() {
        if (wx.getStorageSync('USER_INFO').nickname=="游客"){
            wx.showModal({
                title: '温馨提示',
                content: "您目前的身份是游客，请授权后发表动态",
                confirmText: '去授权',
                success(res) {
                    if (res.confirm) {
                    console.log('用户点击确定')
                    wx.switchTab({
                        url: '/pages/my/my'
                    })
                    } else if (res.cancel) {
                    console.log('用户点击取消')
                    }
                }
            })
            return;
        }
        let type = this.data.videoUrl ? 'video' : 'img'
        console.log('yun_file_id_arr3', yun_file_id_arr)
        if (type == 'img') {
            if (this.data.files.length == 0) {
                this.isTs('请上传图片')
                return
            }
        }
        var phoneNumble = this.data.phoneNumble
        if (!phoneNumble) {
            this.isTs('请输入联系方式')
            return
        }

        var productName = this.data.productName
        if (!productName) {
            this.isTs('请输入产品名称')
            return
        }

        let txt = this.data.ttval;
        if (!txt) {
            this.isTs('请输入说明')
            return
        }
        var loc_name = this.data.loc_name
        // if (!loc_name) {
        //     this.isTs('请选择所在位置')
        //     return
        // }

        var fenlei = this.data.fenlei
        if (!fenlei) {
            this.isTs('请选择分类')
            return
        }

        
        // 虚拟用户发表
        if (this.data.virtual_openId) {
            this.add_dynamic();
            return
        }

        var time = new Date().getTime();
        // up_dynamic_time 上次上传的时间，一个小时只能传两次
        var up_dynamic_time = wx.getStorageSync('up_dynamic_time')
        if (!up_dynamic_time) {
            up_dynamic_time = time
            wx.setStorageSync('up_dynamic_time', up_dynamic_time)
        }

        // up_dynamic_num 剩余可上传的次数，一个小时只能传两次，默认值是2,0的时候就不能上传了
        var up_dynamic_num = wx.getStorageSync('up_dynamic_num')
        if (!up_dynamic_num && up_dynamic_num !== 0) {
            up_dynamic_num = 2
            wx.setStorageSync('up_dynamic_num', up_dynamic_num)
        }

        var yun_num = getApp().cloudUserInfo.up_dynamic_num || 0;

        // 是否超过了一小时,就初始化缓存
        var is_chaoguo_time = (time - up_dynamic_time > 60 * 60 * 1000);
        if (is_chaoguo_time) {
            up_dynamic_time = time
            wx.setStorageSync('up_dynamic_time', up_dynamic_time)
            up_dynamic_num = 2
            wx.setStorageSync('up_dynamic_num', up_dynamic_num)
        }

        // 是商户就直接提交
        if (this.data.mch_id) {
            if (is_chaoguo_time) {
                this.add_dynamic();
            } else {
                if (up_dynamic_num === 0) {
                    wx.showToast({
                        title: '1小时内只能发表2条动态哦',
                        icon: 'none'
                    })
                } else {
                    this.add_dynamic();
                }
            }
        } else {

            if (is_chaoguo_time) {
                if (yun_num > 0) {
                    this.add_dynamic();
                } else {
                    // 普通用户去支付购买
                    this.go_tanchuang()
                }
            } else {
                // 没超时
                if (yun_num > 0) {
                    if (up_dynamic_num === 0) {
                        wx.showToast({
                            title: '1小时内只能发表2条动态哦',
                            icon: 'none'
                        })
                    } else {
                        this.add_dynamic();
                    }
                } else {
                    // 普通用户去支付购买
                    this.go_tanchuang()
                }
            }
        }


    },
    // 发表
    add_dynamic() {
        if (add_dynamic_ing) return;
        add_dynamic_ing = true;
        setTimeout(() => {
            add_dynamic_ing = false
        }, 4000);
        console.log('111111111111111111111')
        if (this.data.files.length > 0 || this.data.videoUrl) {
            console.log('222222222222222222')
            if (this.data.videoUrl) {
                this.upData('video')
                return;
            }
            new Promise(promise_ress => {
                if (yun_file_id_arr.length > 0) {
                    promise_ress(true)
                } else {
                    this.up_img(0, this.data.files.length, promise_ress);
                }
            }).then(ress => {
                this.upData('img')
            })
        } else {
            this.isTs('请选择文件')
        }
    },
    chooseImage: function (e) {
        var that = this;
        wx.chooseImage({
            count:4,
            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) {
                // 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
                that.setData({
                    files: that.data.files.concat(res.tempFilePaths),
                    videoUrl: ''
                });
            }
        })
    },
    previewImage: function (e) {
        wx.previewImage({
            current: e.currentTarget.id, // 当前显示图片的http链接
            urls: this.data.files // 需要预览的图片http链接列表
        })
    }
});