we_spa_admin/pages/feedback/feedback.js

// pages/feedback/feedback.js
Page({

  /**
   * 页面的初始数据
   */
  data: {
    maxlength: 500,
    number: 0,
    value: "",
    imgs: [
      {
        type: "video",
        url: "http://wxsnsdy.tc.qq.com/105/20210/snsdyvideodownload?filekey=30280201010421301f0201690402534804102ca905ce620b1241b726bc41dcff44e00204012882540400&bizid=1023&hy=SH&fileparam=302c020101042530230204136ffd93020457e3c4ff02024ef202031e8d7f02030f42400204045a320a0201000400"
      },
      {
        type: "image",
        url: "https://img1.baidu.com/it/u=202543353,3627416815&fm=26&fmt=auto"
      },
      {
        type: "image",
        url: "https://img0.baidu.com/it/u=745609344,230882238&fm=26&fmt=auto"
      },
      {
        type: "image",
        url: "https://img0.baidu.com/it/u=286636366,3227707112&fm=26&fmt=auto"
      },
      {
        type: "image",
        url: "https://img1.baidu.com/it/u=2450865760,444795162&fm=26&fmt=auto"
      },
      {
        type: "image",
        url: "https://img0.baidu.com/it/u=4226275504,4103997964&fm=26&fmt=auto"
      },
      {
        type: "image",
        url: "https://img0.baidu.com/it/u=2247422843,411257408&fm=26&fmt=auto"
      },
    ]
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {

  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  },

  /**
   * 监听文本域
  */
  bindTextAreaInput(e) {
    this.setData({
      number: e.detail.cursor,
      value: e.detail.value
    })
  },

  /**
   * 预览图片和视频
  */
  previewMedia(e) {
    let arr = this.data.imgs
    let current = e.currentTarget.dataset.index
    wx.previewMedia({
      sources: arr,
      current
    })
  },

  /**
   * 删除列表项
  */
  onDeleteItem(e) {
    let imgs = this.data.imgs;
    imgs.splice(e.currentTarget.dataset.index, 1);
    this.setData({ imgs })
    console.log(imgs)
  },

  /**
   * 选择图片
  */
  chooseImage() {
    let that = this;
    let imgs = this.data.imgs;
    let count = 9 - this.data.imgs.length
    wx.chooseImage({
      count,
      sizeType: ['original', 'compressed'],
      sourceType: ['album', 'camera'],
      success (res) {
        const tempFilePaths = res.tempFilePaths
        tempFilePaths.forEach((item) => {
          imgs.push({
            type: 'image',
            url: item
          })
        })
        that.setData({
          imgs
        })
      }
    })
  }
})