关于赋值

 /**
     * 页面的初始数据
     */
    data: {
        passwordType: "password",
        userName: 'xmjl',
        password: 'xczx@123COM',
        randomNumber: '',
        verificationCode: '',
        form: {
            userName: 'xmjl',
            password: 'xczx@123COM',
            randomNumber: '',
            verificationCode: '',
          },
          codeImg: '',
    },
    // 验证码
    getCode:function() {
        let date = new Date()
        let codeImg = BASE_URL+`/WxAppLogin/VerificationCode?randomNumber=${date.getTime()}`
        this.setData({
            ["form.randomNumber"]: date.getTime(),
            codeImg
        })
        // console.log(this.data.form.randomNumber)
      },
      // 登陆提交
    async handleLogin() {
        this.setData({
            ["form.userName"]:this.data.userName,
            ["form.password"]:this.data.password,
            ["form.verificationCode"]:this.data.verificationCode
        }) 
        console.log(this.data.form);
        let handleData = await encryptedData(this.data.form)
        handleData = `${handleData.param}@${handleData.aesKey}`
        let res = await WxAppLogin(handleData)
        console.log(res.data);
        const accessToken = res.data
        if(accessToken){
            wx.setStorageSync('token', accessToken)
        }
  },