wx_pro/pages/home/index.js

//index.js
var common = require('../common/common.js')
//获取应用实例
const app = getApp()
// const host_url = "https://www.meitan.hongweisoft.com"
const host_url = common.base_host

Page({
  data: {
    farming:[],
    farming_index:0,
    date:'2020-05-12',
    base:[],
    base_index:0,
    executor:'',
    note:'',
    files: [],
    loading:false,
    showTopTips: false,
    phone_number:'',
    image_url:''
  },
  onLoad: function () {
    const that = this
    const eventChanner = this.getOpenerEventChannel()
    this.setData({
        selectFile: this.selectFile.bind(this),
        uplaodFile: this.uplaodFile.bind(this)
    })
    //请求农事活动列表
    this.request_farming()
    wx.getStorage({
      key: 'phone_number',
      success(res){
        console.log(res.data)
        that.setData({
          phone_number:res.data
          },function(){
            //请求基地数据
            that.request_base();
          })
      },
      fail(e){
        wx.navigateTo({
          url: '../login/login',
        });
      }
    })
  },
  onShow: function (){
    if(this.data.phone_number == ""){
      const that = this
      wx.getStorage({
        key: 'phone_number',
        success(res){
          that.setData({
            phone_number:res.data
          },function(){
            //请求基地数据
            that.request_base();
          })
        }
      })
    }
  },
  request_base: function(){
    if(this.data.phone_number == ""){
      return
    }
    const that = this
    wx.request({
      url: host_url + '/orchardacqui/orderselect',
      data:{phone:that.data.phone_number},
      success(res){
        let data = res.data
        if(data.retHead.errCode == 0){
          that.setData({
            base:data.retBody,
            base_index:0,
            executor:(data.retBody)[0].leaderName
          })
        }else{
          that.setData({
            error:"基地获取出错：" + data.retHead.errMsg
          })
        }
      }
    })
  },
  request_farming: function(){
    const that = this
    wx.request({
      url: host_url + '/orchardactivity/select',
      success(res){
        let data = res.data
        if(data.retHead.errCode == 0){
          that.setData({
            farming:data.retBody,
            farming_index:0
          })
        }else{
          that.setData({
            error:"农事活动列表获取出错：" + data.retHead.errMsg
          })
        }
      }
    })
  },
  bindChangePhone:function(e){
    wx.navigateTo({
      url: '../login/login',
    })
  },
  bindPickerChange: function(e) {
    console.log('farming picker发送选择改变，携带值为', e.detail.value)
    this.setData({
        farming_index: e.detail.value
    })
  },
  bindDateChange: function(e) {
    console.log('date picker发送选择改变，携带值为', e.detail.value)
    this.setData({
      date: e.detail.value
    })
  },
  bindBaseChange: function(e) {
    console.log('base picker发送选择改变，携带值为', e.detail.value)
    this.setData({
        base_index: e.detail.value,
        executor:this.data.base[e.detail.value].leaderName
    })
  },
  bindExecutor:function(e){
    console.log('执行人' , e.detail.value)
    this.data.executor = e.detail.value
  },
  bindNote: function(e){
    console.log('备注说明' , e.detail.value)
    this.data.note = e.detail.value
  },
  chooseImage: function (e) {
    var that = this;
    wx.chooseImage({
        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)
            });
        }
    })
  },
  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
      })
  },
  selectFile(files) {
      console.log('files', files)
      // 返回false可以阻止某次文件上传
  },
  uplaodFile(files) {
      console.log('upload files', files)
      // 文件上传的函数，返回一个promise
      return new Promise((resolve, reject) => {
        wx.uploadFile({
          filePath: files.tempFilePaths[0],
          name: 'file',
          url: host_url + '/file/uploadDocument',
          success(res){
            const data = res.data
            let dataJ = JSON.parse(data)
            console.log('body' , dataJ.retBody)
            resolve({urls:[host_url + '/' + dataJ.retBody.fileUrl]})
          },
          fail(err){
              reject(err)
          }
        })
        //   setTimeout(() => {
        //       //reject('some error')
        //       resolve({urls:['http://mmbiz.qpic.cn/mmbiz_png/VUIF3v9blLsicfV8ysC76e9fZzWgy8YJ2bQO58p43Lib8ncGXmuyibLY7O3hia8sWv25KCibQb7MbJW3Q7xibNzfRN7A/0']})
        //   }, 1000)
      })
  },
  uploadError(e) {
      console.log('upload error', e.detail)
  },
  uploadSuccess(e) {
      console.log('upload success', e.detail)
      let pic_url = e.detail.urls[0]
      pic_url = pic_url.replace(host_url , "")
      this.setData({
        image_url:pic_url
      })
  },
  submitForm(e){
      console.log("上传数据" , "farming:" + this.data.farming[this.data.farming_index] + " date:" + this.data.date )
      const that = this
      //验证数据
      let error_msg = ""
      if(this.data.executor == null || this.data.executor.trim() == ""){
        error_msg = "执行人不能为空"
      }else if(this.data.phone_number == null || this.data.phone_number == ""){
        error_msg = "手机号不能为空"
      }
      if( error_msg != ""){
        this.setData({
          error:error_msg
        })
        return
      }
      //显示加载框
      this.setData({
          loading:true
      })
      wx.request({
        url: host_url  + '/orchardacqui',
        method:"POST",
        header:{
          'content-type': 'application/json',
        },
        data:{
          activityId:this.data.farming[this.data.farming_index].id,
          executionTime:this.data.date + " 00:00:00",
          tOrchardId:this.data.base[this.data.base_index].id,
          executionUser:this.data.executor,
          remarks:this.data.note,
          imgUrl:this.data.image_url,
          phone:this.data.phone_number
        },
        success(res){
          that.setData({
              loading:false
          })
          let data = res.data
          if(data.retHead.errCode == 0){
            wx.showToast({
              title: '提交成功',
              icon: 'success',
              duration: 2000
            })
          }else{
            that.setData({
                error:data.retHead.errMsg,
            })
          }
        },
        fail(error){
          that.setData({
              error:error.errMsg,
              loading:false
          })
        }
      })
      //提示
  }
})