jhwxapp/miniprogram/pages/login/index.js

import {
  getToken,
  setToken
} from '../../utils/auth'
import {
  login,
  getCodeImg,
} from '../../api/login'

const app = getApp();
Page({

  /**
   * 页面的初始数据
   */
  data: {
    username: '',
    password: '',
    show: false,
    openId: '',
    code: '',
    uuid: '',
    usercode: '',
  },

  //获取填写的账号信息
  name: function (even) {
    this.setData({
      username: even.detail.value
    })
  },
  //获取填写的密码信息
  pass: function (even) {
    this.setData({
      password: even.detail.value
    })
  },

  /**
   * 忘记密码
   */
  updatePs(){
    wx.redirectTo({
      url: '../alter-ps/index',
    })
  },

  //获取填写的密码信息
  code: function (even) {
    this.setData({
      usercode: even.detail.value
    })
  },

  onClickShow() {
    this.setData({
      show: true
    });
  },

  onClickHide() {
    this.setData({
      show: false
    });
  },

  onLoad: function (option) {
    this.loadCodeImage();
    this.getOPenId();
  },

  /**
   * 获取用户openid
   */
  getOPenId: function () {
    wx.login({
      success: res => {
        //启动蒙版
        let oid = wx.getStorageSync("openId");
        if (!oid) {
          this.onClickShow();
          wx.request({
            url: app.globalData.reqUrl + '/wechat/getOpenId',
            data: {
              "code": res.code,
              "appId": app.globalData.appId,
            },
            success: (res) => {
              res = res.data;
              this.onClickHide();
              this.setData({
                openId: res.data.openid,
              })
              wx.setStorageSync('openId', res.data.openid)
              //验证登录用户 
              this.selectUserInfoByOpenId(res.data.openid);
            }
          })
        } else {
          //验证登录用户 
          this.selectUserInfoByOpenId(oid);
        }
      }
    })
  },

  //验证用户是否是第一次登陆
  selectUserInfoByOpenId: function (openId) {
    //跳转页面
    let isRelogin = wx.getStorageSync("isReload");
    if (isRelogin) {
      return;
    }
    this.onClickShow();
    var that = this;
    wx.request({
      url: app.globalData.reqUrl + '/wechat/openIdLogin',
      data: {
        "openId": openId
      },
      method: "POST",
      success: function (res) {
        if (res.data.code == '200') {
          //把数据存到缓存中
          wx.setStorage({
            key: 'userinfo',
            data: res.data.data.userinfo
          });
          if (res.data.token) {
            //更新token信息
            setToken(res.data.token);
          }
          // wx.setStorageSync({
          //   key: 'token',
          //   data: res.data.token
          // });
          that.onClickHide();
          let rd = res.data.data;
          //只有一个项目时直接跳转详情页
          if (rd.projectInfo != null || rd.projectInfo != undefined) {
            //赋值到公共参数
            app.globalData.projectId = rd.projectInfo.projectId;
            app.globalData.projectName = rd.projectInfo.projectName;
            app.globalData.projectInfoList = [];
            app.globalData.projectInfoList.push(rd.projectInfo);
            app.globalData.value1 = rd.projectInfo.shengName;
            app.globalData.value2 = rd.projectInfo.shiName + '/' + rd.projectInfo.quName;
            app.globalData.value3 = rd.projectInfo.logCompanyName;
            //存入文件中
            wx.setStorage({
              key: 'projectInfoList',
              data: app.globalData.projectInfoList
            });
            wx.redirectTo({
              url: '../xiangmugaikuang/index',
            })
          } else {
            //跳转页面
            wx.redirectTo({
              url: '../map/map',
            })
          }
        } else {
          that.onClickHide();
          app.toast(res.data.msg, 2000);
        }
      }
    })
  },

  /**
   * 获取验证码
   */
  loadCodeImage: function () {
    getCodeImg().then(res => {
      let captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
      if (captchaEnabled) {
        this.setData({
          code: 'data:image/gif;base64,' + res.img,
          uuid: res.uuid
        })
      }
    });
  },

  //登录
  userLogin: function (openid) {
    var that = this;
    var username = that.data.username;
    var password = that.data.password;
    var usercode = this.data.usercode;
    if (username == "") {
      app.toast("登录账号不能为空");
      return;
    }
    if (password == "") {
      app.toast("登录密码不能为空");
      return;
    }
    if (usercode == "") {
      app.toast("验证码不能为空");
      return;
    }
    let openId = that.data.openId
    if (openId == "") {
      openId = wx.getStorageSync("openId");
      if (openId == "") {
        app.toast("获取微信授权失败，请卸载后重新进入应用！！");
        return;
      }
    }
    let params = {
      "username": username,
      "password": password,
      "openId": openId,
      "code": usercode,
      "uuid": this.data.uuid,
    };
    login(params).then(res => {
      if (res.code == 200) {
        //把数据存到缓存中
        wx.setStorage({
          key: 'userinfo',
          data: res.data.userinfo
        });
        setToken(res.token);
        wx.setStorageSync('isReload', "");
        let rd = res.data;
        //只有一个项目时直接跳转详情页
        if (rd.projectInfo != null || rd.projectInfo != undefined) {
          //赋值到公共参数
          app.globalData.projectId = rd.projectInfo.projectId;
          app.globalData.projectName = rd.projectInfo.projectName;
          app.globalData.projectInfoList = [];
          app.globalData.projectInfoList.push(rd.projectInfo);
          app.globalData.value1 = rd.projectInfo.shengName;
          app.globalData.value2 = rd.projectInfo.shiName + '/' + rd.projectInfo.quName;
          app.globalData.value3 = rd.projectInfo.logCompanyName;
          //存入文件中
          wx.setStorage({
            key: 'projectInfoList',
            data: app.globalData.projectInfoList
          });
          wx.redirectTo({
            url: '../xiangmugaikuang/index',
          })
        } else {
          //跳转页面
          wx.redirectTo({
            url: '../map/map',
          })
        }
      }else{
        that.loadCodeImage();
      }
    });
  },
})