相关代码如下（获取账号成功正常输出）

//index.js

//获取应用实例

const app = getApp()

Page({

    /**

     * 页面的初始数据

     */

    data: {

      username: null,

      password: null

    },

    setUserName: function(e) {

      this.data.username = e.detail.value;

      console.log(this.data.username)

    },

    setPassword: function(e) {

      this.data.password = e.detail.value;

      console.log(this.data.password)

    },

    //登录

    login:function(options){    

        wx.cloud.database().collection("admin").where({})

        .get({}).then(res=>{

            console.log("获取账号成功",res);

            if(password==res.data[0].password){

                console.log("登录成功"),

                wx.showToast({

                  title: '登录成功',

                  icon:"success",

                  duration:2000,

                  success:function(){

                      setTimeout(function(){

                          wx.navigateTo({

                            url: 'url',

                          })

                      })

                  }

                })

            }

            else{

                console.log("密码不正确");

                wx.showToast({

                  title: '密码不正确',

                  icon:"none"

                })

            }

        })

      }

})