const formRules = {
  userName: [{required: true, message: "用户名不能为空", trigger: 'blur'}, {
    min: 5,
    max: 10,
    message: "长度必须5-10位",
    trigger: 'blur'
  }],
  passWord: [{required: true, message: "密码不能为空", trigger: 'blur'}],
  reference: [{
    validator: referenceValidity,
    required: true,
    trigger: "blur",
  },],
}
function referenceValidity(rule, value, callback) {
  console.log('校验推荐人')
  if (value === "" || value === undefined) {
    callback(new Error("请输入推荐人姓名"));
  } else {
    //请求网络校验推广人
    // console.log("输入的推荐人姓名：" + value)
    // const _url = "xxxxxxxxxxx";
    // let param = {};
    // param.promotionPecialistName = value;
    // get(this.$http, _url, param).then(function (response) {
    //   let res = response.data;
    //   if (res.code === "I000000") {
    //     if (res.data.isFlag) {
    //       callback()
    //     } else {
    //       callback(new Error("推荐人不存在"))
    //     }
    //   } else {
    //     callback(new Error("推荐人不存在"))
    //   }
    // });
    callback(new Error("推荐人不存在"))
  }
}

const formRef = ref()
function reqLogin() {
  console.log("账号信息", form.value)
  formRef.value.validate((valid) => {
    console.log("formRef valid = ", valid)
    if (valid) {
      setToken()
      store.commit("setUserInfo", form.value)
      showToast("登录成功")
      router.push('/')
    }
  })
}

onMounted(() => {
  console.log("页面加载")
  document.addEventListener('keyup', onkeyup)
})
onBeforeUnmount(() => {
  document.removeEventListener('keyup', onkeyup)
})
function onkeyup(e) {
  if (e.key === 'Enter') {
    reqLogin()
  }
}

import {onBeforeUnmount, onMounted, ref} from "vue";
import {Lock, User} from "@element-plus/icons-vue";
import {useRouter} from "vue-router";
import {setToken} from "../utils/CookieUtil.js";
import {showToast} from "../utils/ToastUtil.js";
import {useStore} from "vuex";
const router = useRouter()
const store = useStore()
const form = ref({
  userName: "",
  passWord: "",
  reference: ""
})
const formRef = ref()
const formRules = {
  userName: [{required: true, message: "用户名不能为空", trigger: 'blur'}, {
    min: 5,
    max: 10,
    message: "长度必须5-10位",
    trigger: 'blur'
  }],
  passWord: [{required: true, message: "密码不能为空", trigger: 'blur'}],
  reference: [{
    validator: referenceValidity,
    required: true,
    trigger: "blur",
  },],
}
function referenceValidity(rule, value, callback) {
  console.log('校验推荐人')
  if (value === "" || value === undefined) {
    callback(new Error("请输入推荐人姓名"));
  } else {
    //请求网络校验推广人
    // console.log("输入的推荐人姓名：" + value)
    // const _url = "xxxxxxxxxxx";
    // let param = {};
    // param.promotionPecialistName = value;
    // get(this.$http, _url, param).then(function (response) {
    //   let res = response.data;
    //   if (res.code === "I000000") {
    //     if (res.data.isFlag) {
    //       callback()
    //     } else {
    //       callback(new Error("推荐人不存在"))
    //     }
    //   } else {
    //     callback(new Error("推荐人不存在"))
    //   }
    // });
    callback(new Error("推荐人不存在"))
  }
}
function onkeyup(e) {
  if (e.key === 'Enter') {
    reqLogin()
  }
}
onMounted(() => {
  console.log("页面加载")
  document.addEventListener('keyup', onkeyup)
})
onBeforeUnmount(() => {
  document.removeEventListener('keyup', onkeyup)
})
function reqLogin() {
  console.log("账号信息", form.value)
  formRef.value.validate((valid) => {
    console.log("formRef valid = ", valid)
    if (valid) {
      setToken()
      store.commit("setUserInfo", form.value)
      showToast("登录成功")
      router.push('/')
    }
  })
}

    

      测试系统登录页面
      演示Demo
    
    

      
欢迎回来
      登录

  

.flex-col-center {
  display: flex;
  flex-direction: column;
  justify-content: center
}