ElementUI之CUD+表单验证

• ElementUI之CUD
• 表单验证

1.ElementUI之CUD

//src/api/action.js
/**
 * 对后台请求的地址的封装，URL格式如下：
 * 模块名_实体名_操作
 */
export default {
	'SERVER': 'http://localhost:8080/ssm', //服务器
	'SYSTEM_USER_DOLOGIN': '/user/userLogin', //登陆
	'SYSTEM_USER_DOREG': '/user/userRegister', //注册
  'SYSTEM_MENUS': '/module/queryRootNode', //左侧菜单树
  'BOOK_LIST': '/book/queryBookPager', //书籍列表
  'BOOK_ADD': '/book/addBook', //书籍增加
  'BOOK_UPD': '/book/editBook', //书籍修改
  'BOOK_DEL': '/book/delBook', //书籍删除
	'getFullPath': k => { //获得请求的完整地址，用于mockjs测试时使用
		return this.SERVER + this[k];
	}
}

//src/main.js
// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
//开发环境：true && require('@/mock')
//生产环境：false && require('@/mock')
//开发环境下才会引入mockjs
// process.env.MOCK && require('@/mock')
// 新添加1
import ElementUI from 'element-ui'
// 新添加2，避免后期打包样式不同，要放在import App from './App';之前
import 'element-ui/lib/theme-chalk/index.css'

import App from './App'
import router from './router'

import axios from '@/api/http'
import VueAxios from 'vue-axios'

Vue.use(VueAxios,axios)

Vue.use(ElementUI);
Vue.config.productionTip = false
/* eslint-disable no-new */


new Vue({
  el: '#app',
  router,
  data(){
    return{
       Bus:new Vue()
    }
  },
  router,
  components: { App },
  template: '<App/>'
})

//src/views/book/BookList.vue
<template>
  <div class="books" style="padding: 20px;">
    <!-- 1.搜索框 -->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item label="书籍名称">
        <el-input v-model="bookname" placeholder="书籍名称"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="onSubmit">查询</el-button>
        <el-button type="primary" @click="open">新增</el-button>
      </el-form-item>
    </el-form>
    <!-- 2.数据表格 -->
    <el-table :data="tableData" stripe style="width: 100%">
      <el-table-column prop="id" label="书籍编号" width="180">
      </el-table-column>
      <el-table-column prop="bookname" label="书籍名称" width="180">
      </el-table-column>
      <el-table-column prop="price" label="书籍价格">
      </el-table-column>
      <el-table-column prop="type" label="书籍类别">
      </el-table-column>
      <el-table-column label="操作">
        <template slot-scope="scope">
          <el-button size="mini" @click="open(scope.$index, scope.row)">编辑</el-button>
          <el-button size="mini" type="danger" @click="del(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 3.分页条 -->
    <div class="block">
      <span class="demonstration">完整功能</span>
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="page"
        :page-sizes="[10, 20, 30, 40]" :page-size="rows" layout="total,sizes, prev, pager, next, jumper" :total="50">
      </el-pagination>
    </div>
    <!-- 4.编辑窗体 -->
    <el-dialog :title="title" :visible.sync="dialogFormVisible" @close="clear">
      <el-form :model="book">
        <el-form-item label="书籍编号" :label-width="formLabelWidth">
          <el-input v-model="book.id" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="书籍名称" :label-width="formLabelWidth">
          <el-input v-model="book.bookname" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="书籍价格" :label-width="formLabelWidth">
          <el-input v-model="book.price" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="书籍类别" :label-width="formLabelWidth">
          <el-select v-model="book.booktype" placeholder="请选择活动区域">
            <el-option v-for="t in types" :label="t.name" :value="t.name" :key="'key_'+t.id"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="dosub ">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        bookname: "",
        tableData: [],
        rows: 10,
        page: 1,
        total: 0,
        title: '新增窗体',
        dialogFormVisible: false,
        formLabelWidth: '100px',
        types: [],
        book: {
          id: '',
          bookname: '',
          price: '',
          booktype: ''
        }
      }
    },
    methods: {
      del(idx, row) {
        this.$confirm('此操作将永久删除id为' + row.id + '的数据, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          let url = this.axios.urls.BOOK_DEL;
          this.axios.post(url, {id:row.id}).then(r => {
            console.log(r);
            this.$message({
               type: 'seccess',
               message: '删除成功'
                });
            this.query({});

        }).catch(() => {
        });
      });
      },
      dosub() {
        let url = this.axios.urls.BOOK_ADD;
        if (this.title == '编辑窗体') {
          url = this.axios.urls.BOOK_UPD;
        }
        let params = {
          id: this.book.id,
          bookname: this.book.bookname,
          price: this.book.price,
          booktype: this.book.booktype
        };
        this.axios.post(url, params).then(r => {
          console.log(r);
          this.clear();
          this.query({});
        }).catch(e => {

        })
      },
      clear() {
        // 初始窗体化
        this.dialogFormVisible = false;
        this.title = '新增窗体';
        this.book = {
          id: '',
          bookname: '',
          price: '',
          booktype: ''
        }
      },
      open(idx, row) {
        // 打开窗体的方法
        this.dialogFormVisible = true;
        if (row) {
          this.title = '编辑窗体';
          this.book.id = row.id;
          this.book.bookname = row.bookname;
          this.book.price = row.price;
          this.book.booktype = row.booktype;
        }
      },
      query(params) {
        let url = this.axios.urls.BOOK_LIST;
        this.axios.get(url, {
          params: params
        }).then(r => {
          console.log(r);
          this.tableData = r.data.rows;
          this.total = r.data.total;
        }).catch(e => {})
      },
      onSubmit() {
        let params = {
          bookname: this.bookname
        }
        this.query(params);
      },
      handleSizeChange(r) {
        //当页大小变化
        console.log("当前页大小为：" + r);
        let params = {
          bookname: this.bookname,
          rows: r,
          page: this.page
        }
        this.query(params);
      },
      handleCurrentChange(p) {
        //当前页码变化
        console.log("当前页码为:" + p);
        let params = {
          bookname: this.bookname,
          rows: p,
          page: this.page
        }
        this.query(params);
      },
    },
    created() {
      this.query({});
      this.types = [{
          id: 1,
          name: '爽文'
        },
        {
          id: 2,
          name: '动作'
        },
        {
          id: 3,
          name: '爱情'
        },
        {
          id: 4,
          name: '国外'
        },
        {
          id: 5,
          name: '伦理'
        }
      ];
    }
  }
</script>

<style>
</style>

2.表单验证

//src/router/index.js
import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import AppMain from '@/components/AppMain'
import LeftNav from '@/components/LeftNav'
import TopNav from '@/components/TopNav'
import Login from '@/views/Login'
import Register from '@/views/Register'
import AddBook from '@/views/book/AddBook'
import BookList from '@/views/book/BookList'
Vue.use(Router)

export default new Router({
  routes: [{
      path: '/',
      name: 'Login',
      component: Login
    },
    {
      path: '/Register',
      name: 'Register',
      component: Register
    },
    {
      path: '/AppMain',
      name: 'AppMain',
      component: AppMain,
      children: [{
          path: '/LeftNav',
          name: 'LeftNav',
          component: LeftNav
        },
        {
          path: '/TopNav',
          name: 'TopNav',
          component: TopNav
        },
        {
          path: '/book/AddBook',
          name: 'AddBook',
          component: AddBook
        },
        {
          path: '/book/BookList',
          name: 'BookList',
          component: BookList
        }]
    }
  ]

})

//src/main.js
// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
//开发环境：true && require('@/mock')
//生产环境：false && require('@/mock')
//开发环境下才会引入mockjs
// process.env.MOCK && require('@/mock')
// 新添加1
import ElementUI from 'element-ui'
// 新添加2，避免后期打包样式不同，要放在import App from './App';之前
import 'element-ui/lib/theme-chalk/index.css'

import App from './App'
import router from './router'

import axios from '@/api/http'
import VueAxios from 'vue-axios'

Vue.use(VueAxios,axios)

Vue.use(ElementUI);
Vue.config.productionTip = false
/* eslint-disable no-new */


new Vue({
  el: '#app',
  router,
  data(){
    return{
       Bus:new Vue()
    }
  },
  router,
  components: { App },
  template: '<App/>'
})

//src/conponents/AppMain.vue
<template>
  <el-container class="main-container">
    <el-aside v-bind:class="asideClass">
      <LeftNav></LeftNav>
    </el-aside>
    <el-container>
      <el-header class="main-header">
        <TopNav></TopNav>
      </el-header>
      <el-main class="main-center">
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
  // 导入组件
  import TopNav from '@/components/TopNav.vue'
  import LeftNav from '@/components/LeftNav.vue'

  // 导出模块
  export default {
    components: {
      TopNav,
      LeftNav
    },
    data() {
      return {
        asideClass: 'main-aside'
      }
    },
    created() {
      this.$root.Bus.$on('aaa', v => {
        this.asideClass = v ? 'main-aside-collapsed' : 'main-aside';
      })
    }
  };
</script>
<style scoped>
  .main-container {
    height: 100%;
    width: 100%;
    box-sizing: border-box;
  }

  .main-aside-collapsed {
    /* 在CSS中，通过对某一样式声明! important ，可以更改默认的CSS样式优先级规则，使该条样式属性声明具有最高优先级 */
    width: 64px !important;
    height: 100%;
    background-color: #334157;
    margin: 0px;
  }

  .main-aside {
    width: 240px !important;
    height: 100%;
    background-color: #334157;
    margin: 0px;
  }

  .main-header,
  .main-center {
    padding: 0px;
    border-left: 2px solid #333;
  }
</style>

//src/components/LeftNav.vue
<template>
  <el-menu router :default-active="$route.path" default-active="2" class="el-menu-vertical-demo" background-color="#334157" text-color="#fff"
    active-text-color="#ffd04b" :collapse="collapsed">
    <!-- <el-menu default-active="2" :collapse="collapsed" collapse-transition router :default-active="$route.path" unique-opened class="el-menu-vertical-demo" background-color="#334157" text-color="#fff" active-text-color="#ffd04b"> -->
    <div class="logobox">
      <img class="logoimg" src="../assets/img/logo.png" alt="">
    </div>

    <el-submenu v-for="m in menus" :index="'idx_'+m.id" :key="'key_'+m.id">
      <template slot="title">
        <i :class="m.icon"></i>
        <span>{{m.text}}</span>
      </template>
      <el-menu-item v-for="m2 in m.modules" :index="m2.url" :key="'key_'+m2.id">
        <i :class="m2.icon"></i>
        <span>{{m2.text}}</span>
        <span></span>
      </el-menu-item>
    </el-submenu>
    <!-- <el-submenu index="1">
      <template slot="title">
        <i class="el-icon-location"></i>
        <span>导航一</span>
      </template>
      <el-menu-item-group>
        <template slot="title">分组一</template>
        <el-menu-item index="1-1">选项1</el-menu-item>
        <el-menu-item index="1-2">选项2</el-menu-item>
      </el-menu-item-group>
      <el-menu-item-group title="分组2">
        <el-menu-item index="1-3">选项3</el-menu-item>
      </el-menu-item-group>
      <el-submenu index="1-4">
        <template slot="title">选项4</template>
        <el-menu-item index="1-4-1">选项1</el-menu-item>
      </el-submenu>
    </el-submenu>
    <el-menu-item index="2">
      <i class="el-icon-menu"></i>
      <span slot="title">导航二</span>
    </el-menu-item>
    <el-menu-item index="3" disabled>
      <i class="el-icon-document"></i>
      <span slot="title">导航三</span>
    </el-menu-item>
    <el-menu-item index="4">
      <i class="el-icon-setting"></i>
      <span slot="title">导航四</span>
    </el-menu-item>-->
  </el-menu>
</template>
<script>
  export default {
    data() {
      return {
        collapsed: false,
        menus:[]
      }
    },
    created() {
      this.$root.Bus.$on('aaa', v => {
        this.collapsed = v;
      });
      let url = this.axios.urls.SYSTEM_MENUS;
      this.axios.get(url,{}).then(r => {
        console.log(r);
        this.menus=r.data.rows;
      }).catch(e => {

      })
    }
  }
</script>
<style>
  .el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 240px;
    min-height: 400px;
  }

  .el-menu-vertical-demo:not(.el-menu--collapse) {
    border: none;
    text-align: left;
  }

  .el-menu-item-group__title {
    padding: 0px;
  }

  .el-menu-bg {
    background-color: #1f2d3d !important;
  }

  .el-menu {
    border: none;
  }

  .logobox {
    height: 40px;
    line-height: 40px;
    color: #9d9d9d;
    font-size: 20px;
    text-align: center;
    padding: 20px 0px;
  }

  .logoimg {
    height: 40px;
  }
</style>

//src/components/TopNav.vue
<template>
  <!-- <el-menu :default-active="activeIndex2" class="el-menu-demo" mode="horizontal" @select="handleSelect" background-color="#545c64"
	 text-color="#fff" active-text-color="#ffd04b">
		<el-menu-item index="1">处理中心</el-menu-item>
		<el-submenu index="2">
			<template slot="title">我的工作台</template>
			<el-menu-item index="2-1">选项1</el-menu-item>
			<el-menu-item index="2-2">选项2</el-menu-item>
			<el-menu-item index="2-3">选项3</el-menu-item>
			<el-submenu index="2-4">
				<template slot="title">选项4</template>
				<el-menu-item index="2-4-1">选项1</el-menu-item>
				<el-menu-item index="2-4-2">选项2</el-menu-item>
				<el-menu-item index="2-4-3">选项3</el-menu-item>
			</el-submenu>
		</el-submenu>

		<el-menu-item index="3" disabled>消息中心</el-menu-item>
		<el-menu-item index="4"><a href="https://www.ele.me" target="_blank">订单管理</a></el-menu-item>
	</el-menu> -->

  <el-menu class="el-menu-demo" mode="horizontal" background-color="#334157" text-color="#fff" active-text-color="#fff">
    <el-button class="buttonimg">
      <img class="showimg" :src="collapsed?imgshow:imgsq" @click="doToggle()">
    </el-button>
    <el-submenu index="2" class="submenu">
      <template slot="title">超级管理员</template>
      <el-menu-item index="2-1">设置</el-menu-item>
      <el-menu-item index="2-2">个人中心</el-menu-item>
      <el-menu-item @click="exit()" index="2-3">退出</el-menu-item>
    </el-submenu>
  </el-menu>
</template>

<script>

  export default {
    data() {
      return {
        collapsed: false,
        imgshow:require('@/assets/img/show.png'),
        imgsq:require('@/assets/img/sq.png')
      }
    },
    methods: {
      doToggle() {
        this.collapsed = !this.collapsed;
        //this.$emit()
        // 将是否折叠放入总线
        this.$root.Bus.$emit('aaa', this.collapsed);
      },
      exit() {
        this.$router.push("/")
      }
    }
  }
</script>

<style scoped>
  .el-menu-vertical-demo:not(.el-menu--collapse) {
    border: none;
  }

  .submenu {
    float: right;
  }

  .buttonimg {
    height: 60px;
    background-color: transparent;
    border: none;
  }

  .showimg {
    width: 26px;
    height: 26px;
    position: absolute;
    top: 17px;
    left: 17px;
  }

  .showimg:active {
    border: none;
  }
</style>

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