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vue整合element-ui

Posted on 2025-08-05 19:09  心默默言  阅读(10)  评论(0)    收藏  举报

git remote add origin git@gitee.com:xinmomoyan/vue-shop.git

1. 前端项目初始化

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vue ui 进入图形化创建项目
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至此1.2.3步骤已完成，脚手架已完成创建
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以上完成了4.5步骤

2. 登录与退出

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清除无效的页面，保留最基础的页面
App.vue

<template>
  <div id="app">初始页面</div>
</template>

<script>
export default {
  name: "app",
};
</script>

<style></style>

index.js

import Vue from "vue";
import VueRouter from "vue-router";

Vue.use(VueRouter);

const routes = [];

const router = new VueRouter({
  routes,
});

export default router;

删除了views包及HelloWorld.vue组件

登录组件创建Login.vue

<template>
  <div>登录组件</div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped></style>

App.vue根组件修改

<template>
  <div id="app">
    <!-- 路由占位符 -->
    <router-view></router-view>
  </div>
</template>

<script>
export default {
  name: "app",
};
</script>

<style></style>

Index.vue路由组件修改

import Vue from "vue";
import VueRouter from "vue-router";
import Login from "../components/Login";

Vue.use(VueRouter);

const routes = [
  { path: "/", redirect: "/login" },
  { path: "/login", component: Login },
];

const router = new VueRouter({
  routes,
});

export default router;

登录组件布局

<template>
  <div class="login_container">登录组件</div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
}
</style>

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安装插件less-load、less
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关闭项目重新启动，此时渲染成功
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新建一个全局样式表

/*全局样式表*/
html,
body,
#app {
  height: 100%;
  margin: 0;
  padding: 0;
}

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新建Login.vue登录页面的白色区域盒子

<template>
  <div class="login_container">
    <div class="login_box"></div>
  </div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
</style>

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登录头像区域绘制

<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
    </div>
  </div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
</style>

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登录组件表单布局

import Vue from "vue";
import { Button, Form, FormItem, Input } from "element-ui";

Vue.use(Button);
Vue.use(Form);
Vue.use(FormItem);
Vue.use(Input);

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<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form ref="form" label-width="0px" class="login_form">
        <!-- 用户名 -->
        <el-form-item>
          <el-input></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item>
          <el-input></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary">登录 </el-button>
            <!-- 重置 -->
            <el-button type="info">重置 </el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

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iconfont图标库
打开官网添加至项目
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import Vue from "vue";
import App from "./App.vue";
import router from "./router";
import "./plugins/element.js";
//导入全局样式表
import "./assets/css/global.css";
import "./assets/fonts/iconfont.css";

Vue.config.productionTip = false;

new Vue({
  router,
  render: (h) => h(App),
}).$mount("#app");

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<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form ref="form" label-width="0px" class="login_form">
        <!-- 用户名 -->
        <el-form-item>
          <el-input prefix-icon="iconfont icon-yonghu"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item>
          <el-input prefix-icon="iconfont icon-mima3"></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary">登录 </el-button>
            <!-- 重置 -->
            <el-button type="info">重置 </el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

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登录表单数据绑定

<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form :model="loginForm" label-width="0px" class="login_form">
        <!-- 用户名 -->
        <el-form-item>
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item>
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-mima3"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary">登录 </el-button>
            <!-- 重置 -->
            <el-button type="info">重置 </el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "zs",
        password: "123",
      },
    };
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

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登录表单验证

<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-mima3"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary">登录 </el-button>
            <!-- 重置 -->
            <el-button type="info">重置 </el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "zs",
        password: "123",
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 10,
            message: "长度在 6 到 10 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

image
登录表单重置

<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-mima3"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary">登录 </el-button>
            <!-- 重置 -->
            <el-button type="info" @click="resetLoginForm">重置 </el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "zs",
        password: "123",
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 10,
            message: "长度在 6 到 10 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm() {
      //   console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

image
登录表单预验证

<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-mima3"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary" @click="login">登录 </el-button>
            <!-- 重置 -->
            <el-button type="info" @click="resetLoginForm">重置 </el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "zs",
        password: "123",
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 10,
            message: "长度在 6 到 10 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm() {
      //   console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      // 预验证，接收参数是一个回调函数，第一个参数是一个验证结果是否成功的布尔值
      this.$refs.loginFormRef.validate((valid) => {
        console.log(valid);
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

image
登录表单根据预验证的结果决定是否发起请求

import Vue from "vue";
import App from "./App.vue";
import router from "./router";
import "./plugins/element.js";
import "./assets/css/global.css";
import "./assets/fonts/iconfont.css";

import axios from "axios";
// 配置请求的根路径
axios.defaults.baseURL = "http://127.0.0.1:8888/api/private/v1/";
Vue.prototype.$http = axios;

Vue.config.productionTip = false;

new Vue({
  router,
  render: (h) => h(App),
}).$mount("#app");

<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-mima3"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary" @click="login">登录</el-button>
            <!-- 重置 -->
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "zs",
        password: "123",
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 10,
            message: "长度在 6 到 10 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm() {
      //   console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      // 预验证，接收参数是一个回调函数，第一个参数是一个验证结果是否成功的布尔值
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.post("login", this.loginForm);
        if ((res.meta.status = 200)) return console.log("登录失败");
        console.log("登录c成功");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

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<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-mima3"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary" @click="login">登录</el-button>
            <!-- 重置 -->
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "zs",
        password: "123",
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 10,
            message: "长度在 6 到 10 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm() {
      //   console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      // 预验证，接收参数是一个回调函数，第一个参数是一个验证结果是否成功的布尔值
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return;
        // const { data: res } = await this.$http.post("login", this.loginForm);
        // if ((res.meta.status = 200)) return this.$message.error("登录失败!");
        if (100 == 100) return this.$message.error("登录失败!");
        this.$message.success("登录成功");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

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生成代码片段工具
https://snippet-generator.app/
image
将代码模板代码复制到在线工具

<template>
  <div>
    
  </div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped>

</style>

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image
image
image

<template>
  <div>Home组件</div>
</template>

<script>
export default {};
</script>

<style lang="less" scoped></style>

image

<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 表单区域 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-mima3"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form class="btns">
          <el-form-item>
            <!-- 登录 -->
            <el-button type="primary" @click="login">登录</el-button>
            <!-- 重置 -->
            <el-button type="info" @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "zs1",
        password: "123456",
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 10,
            message: "长度在 6 到 10 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm() {
      //   console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      // 预验证，接收参数是一个回调函数，第一个参数是一个验证结果是否成功的布尔值
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return;
        // const { data: res } = await this.$http.post("login", this.loginForm);
        // if ((res.meta.status = 200)) return this.$message.error("登录失败!");
        if (10 == 100) return this.$message.error("登录失败!");
        this.$message.success("登录成功");
        // 1. 登录成功后,将token保存到sessionStorage中
        // 1.1 项目中除了登录之外的其它api必须登录后才能访问
        // 1.2 token只在网页打开期间有效
        // window.sessionStorage.setItem("token", res.data.token);
        window.sessionStorage.setItem("token", "aaabbb");
        // 2. 通过编程式导航,跳转到后台主要,路径是/home
        this.$router.push("/home");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>

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路由导航守卫

import Vue from "vue";
import VueRouter from "vue-router";
import Login from "../components/Login";
import Home from "../components/Home";

Vue.use(VueRouter);

const routes = [
  { path: "/", redirect: "/login" },
  { path: "/login", component: Login },
  { path: "/home", component: Home },
];

const router = new VueRouter({
  routes,
});

//路由导航守卫
router.beforeEach((to, from, next) => {
  //to,将要访问的路径
  //from,代表从哪个路径跳转而来
  //next,是一个函数,表示放行
  //   next() 放行     next('/login') 强制跳转
  if (to.path === "/login") return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem("token");
  if (!tokenStr) return next("/login");
  next();
});

export default router;

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image
退出功能

<template>
  <div>
    <el-button type="info" @click="logout"> 退出</el-button>
  </div>
</template>

<script>
export default {
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
  },
};
</script>

<style lang="less" scoped></style>

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