1. 程式人生 > >dotnetcore+vue+elementUI 前後端分離 三(前端篇)

dotnetcore+vue+elementUI 前後端分離 三(前端篇)

                                                                                                                       

說明:

本專案使用了 mysql employees資料庫,使用了vue + axois + element UI 2.0 ,演示了 單頁程式 架構 ,vue router 的使用,axois 使用,以及 element UI 控制元件的使用。通過這幾種技術的組合,實現了對 employee 的增,刪。查,改 ,分頁操作,展示了在實際專案中,Vue 結合 elementUI 如何在前端專案中使用。

 

路由

說白了就是,頁面的跳轉如何控制。

當用戶點選了部門資訊就需要展示部門資訊的;點選了員工資訊就需要展示員工的總體資訊,點選員工列表中明細資訊就需要跳轉到該員工的明細資訊。如下圖所示: 

 

 640?wx_fmt=png&wxfrom=5&wx_lazy=1

 

 

在傳統的web程式中,跳轉是由連線來控制的,不同的連線可以跳轉到具體的頁面,也可以在mvc 結構中 ,不同的路由地址,由controller返回不同的view。

 

在SPA單頁程式中,路由一般是由專門的Router 來控制,而且Router是前端的元件,而不是由後端來控制的。

 

在本專案中,Vue 路由元件 使用的是 Vue-Router,部門,員工列表資訊,員工明細資訊 ,都是一個個 活生生 vue 元件,是前端元件,而不是一個頁面。這種方式也是把web前端開發帶入了元件化開發模式,

 

相對傳統的web開發模式,進步可不是一點點。 

 

專案結構:

 

 640?wx_fmt=png 

 

核心元件介紹:

 

  • main

import Vue from 'vue'


import ElementUI from 'element-ui'


import 'element-ui/lib/theme-chalk/index.css'


import App from './App.vue'


import VueRouter from 'vue-router'


import routerMap from './router.js'


// 引入axios以及element ui中的loading和message元件


import axios from 'axios';


import { Loading, Message } from 'element-ui'


 


Vue.use(VueRouter);


Vue.use(ElementUI);


Vue.prototype.$http = axios;


//axios 配置最好提出專門的頁面


//axios.defaults.baseURL = "http://localhost:5001/api";


axios.defaults.baseURL = "http://localhost/CMS.API/api";


 


/**


* http配置


*/


// 引入axios以及element ui中的loading和message元件


// 超時時間


axios.defaults.timeout = 5000;


// http請求攔截器


var loadinginstace


axios.interceptors.request.use(config => {


// element ui Loading方法


console.log(config);


loadinginstace = Loading.service({ fullscreen: true })


return config


}, error => {


loadinginstace.close()


Message.error({


message: '載入超時'


})


return Promise.reject(error)


})


// http響應攔截器


axios.interceptors.response.use(data => {// 響應成功關閉loading


loadinginstace.close()


return data


}, error => {


loadinginstace.close()


Message.error({


message: '服務端發生錯誤'


})


return Promise.reject(error)


})


export default axios


const router = new VueRouter({ routes: routerMap })


 


const app = new Vue({


router


}).$mount('#app');

axios 攔截器中新增的方法說明:

  1. 當http請求發出後,響應為返回前,前端頁面彈出遮罩層,顯示loading,避免使用者在請求未響應前誤操作。

  2. 當http請求發出後,發生異常後,前端提示使用者,後臺發生錯誤。

  3. 攔截一次處理了這兩種通用的操作,其它地方再也不用以上兩種操作。

 

 

  • router.js

/*!


//Router Map 檔案


//[email protected]


*/


import Help from './components/help/Help.vue';


import Feedback from './components/feedback/Feedback.vue';


import UserInfo from './components/business/UserInfo.vue';


import DepartmentList from './components/business/DepartmentList.vue';


import EmployeeList from './components/business/Employee/EmployeeList.vue';


import EmployeeDetail from './components/business/Employee/EmployeeDetail.vue';


import EmployeeAdd from './components/business/Employee/EmployeeAdd.vue';


import EmployeeEdit from './components/business/Employee/EmployeeEdit.vue';


import App from './App.vue'


export default [{


path: '/index',


component: App,


children: [


{


name: '部門資訊',


path: 'departmentList',


component: DepartmentList


},


{


name: '員工資訊',


path: 'employee/list',


component: EmployeeList


},


 


{


name: '幫助中心',


path: 'help',


component: Help


}, 


{


name: '意見反饋',


path: 'feedback',


component: Feedback


},


{


name:'員工詳細資訊',


path:'employee/detail/:id',


component:EmployeeDetail


},


{


name:'員工資訊編輯',


path:'employee/edit/:id',


component:EmployeeEdit


},


{


name:'員工資訊增加',


path:'employee/add/',


component:EmployeeAdd


}


]


},


{


path: '*',


redirect: '/index/departmentList'


}


]

  • EmployeeList.vue

<template>


<div class="testUser">


<div class="function">


<el-row>


<el-form :model="queryCondition" label-width="150px" class="common-margin common-form" ref="form" :rules="rules">


<el-form-item label="First Name" prop="param.first_Name">


<el-col :span="6">


<el-input placeholder="First Name" v-model="queryCondition.param.first_Name"></el-input>


</el-col>


</el-form-item>


<el-form-item label="Last Name" prop="param.last_Name">


<el-col :span="6">


<el-input placeholder="Last Name" v-model="queryCondition.param.last_Name"></el-input>


</el-col>


</el-form-item>


<el-form-item label="Gender">


<el-col :span="6">


<el-select placeholder="Gender" v-model="queryCondition.param.gender">


<el-option v-for="item in genderStatus" :key="item.value" :label="item.label" :value="item.value">


</el-option>


</el-select>


</el-col>


</el-form-item>


<el-form-item label="Hire Date">


<el-date-picker format="yyyy-MM-dd" value-format="yyyy-MM-dd" :editable="false" v-model="queryCondition.param.hire_date_range" type="daterange" start-placeholder="start " end-placeholder="end" default-value="1980-01-01">


</el-date-picker>


 


</el-form-item>


<el-form-item label="Birth Date">


<el-date-picker format="yyyy-MM-dd" value-format="yyyy-MM-dd" :editable="false" v-model="queryCondition.param.birth_date_range" type="daterange" start-placeholder="start" end-placeholder="end" default-value="1950-01-01"></el-date-picker>


 


</el-form-item>


<el-form-item label="">


<el-button type="primary" icon="el-icon-search" @click="getData()">查詢</el-button>


<el-button type="primary" @click="addEmployeeInfo()" icon="el-icon-circle-plus">增加</el-button>


</el-form-item>


</el-form>


</el-row>


</div>


<div style="height: 10px; background-color: rgb(242, 242, 242);"></div>


<div id="table">


<el-table :data="pageList.items" stripe style="width: 100%" border>


<el-table-column prop="emp_No" sortable label="No">


</el-table-column>


<el-table-column prop="first_Name" sortable label="First Name">


</el-table-column>


<el-table-column prop="last_Name" sortable label="Last Name">


</el-table-column>


<el-table-column prop="gender" sortable label="Gender">


</el-table-column>


<el-table-column prop="hire_Date_Display" sortable label="Hire Date">


</el-table-column>


<el-table-column prop="birth_Date_Display" sortable label="Birth Date">


</el-table-column>


 


<el-table-column label="操作">


<template slot-scope="scope">


<el-button


@click="getDetail(scope.row)"


type="primary"


size="small" icon="el-icon-info">


</el-button>


<el-button


@click="editEmployeeInfo(scope.row)"


type="primary"


size="small" icon="el-icon-edit">


</el-button>


<el-button


@click="deleteEmployeeInfo(scope.row)"


type="primary"


size="small" icon="el-icon-delete">


</el-button>


</template>


</el-table-column>


</el-table>


<div class="block">


<el-pagination :data="pageList" @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryCondition.pageInfo.pageIndex" :page-sizes="[10,100, 200, 300, 400]" :page-size="queryCondition.pageInfo.pageSize" layout="total, sizes, prev, pager, next, jumper"


:total="pageList.totalCount">


</el-pagination>


</div>


</div>


</div>


</template>


 


<script>


export default {


data() {


return {


input: "",


pageList: [],


genderStatus: [{


vale: "",


label: ""


},


{


value: "F",


label: "Female"


},


{


value: "M",


label: "Male"


}


],


queryCondition: {


 


param: {


first_Name: "",


last_Name: "",


gender: "",


hire_date_range: null,


birth_date_range: null,


 


},


pageInfo: {


pageIndex: 1,


pageSize: 10


}


 


},


rules: {


'param.first_Name': [{


required: false,


message: "只允許字母或數字",


pattern: /[a-zA-Z0-9]/


}]


}


}


},


mounted: function() {


//debugger;


this.getData();


},


methods: {


handleSizeChange(val) {


//debugger;


//console.log(`每頁 ${val} 條`);


this.queryCondition.pageInfo.pageSize = val;


this.getData();


},


handleCurrentChange(val) {


//debugger;


this.queryCondition.pageInfo.pageIndex = val;


this.getData();


},


getData() {


let _self = this;


_self.$refs["form"].validate(function(isValid) {


if (isValid) {


let url = "/Employee/query";


//debugger;


_self.$http


.post(url, _self.queryCondition)


.then(function(response) {


//debugger;


//console.log(response.data.data);


_self.pageList = response.data.data;


 


})


.catch(function(error) {


console.log(error);


});


} else {


return false;


}


})


 


},


hire_date_pick(maxDate, minDate) {


//debugger;


alert(maxDate);


},


getDetail(currentRow) {


 


this.$router.push({


path: '/index/employee/detail/' + currentRow.emp_No


});


 


},


editEmployeeInfo(currentRow) {


this.$router.push({


path: '/index/employee/edit/' + currentRow.emp_No


});


},


deleteEmployeeInfo(currentRow) {


this.$confirm('此操作將永久刪除該記錄, 是否繼續?', '提示', {


confirmButtonText: '確定',


cancelButtonText: '取消',


type: 'warning'


}).then(() => {


let _self = this;


let url = "/employee/delete/" + currentRow.emp_No;


//debugger;


_self.$http


.post(url)


.then(function(response) {


//debugger;


//console.log(response.data.data);


if (response.data.isSuccess) {


_self.$message({


type: 'success',


message: '刪除成功!'


});


 


_self.getData();


} else {


_self.$message.error("刪除失敗");


}


})


.catch(function(error) {


console.log(error);


});


 


 


}).catch(() => {


this.$message({


type: 'info',


message: '已取消刪除'


});


});


},


addEmployeeInfo() { 


this.$router.push({


path: '/index/employee/add'


}); 


}


}


};


</script> 


<style scoped>


@import '/static/default.css';


</style>

執行效果:

 

  • ElementUI table 排序 

 640?wx_fmt=png

 

 

 

  • 分頁 

 640?wx_fmt=png

 

 

  • 設定分頁大小

 640?wx_fmt=png

 

 

  • 提交驗證功能

 640?wx_fmt=png

 

 

  • 非同步驗證功能

 640?wx_fmt=png

 

  • 多表格資訊展示

 640?wx_fmt=png

 

 

  • 日期選擇

 640?wx_fmt=png

 

 

  • 時間段選擇

 

 640?wx_fmt=png

  

  • 確認提示 

 640?wx_fmt=png

 

github 地址 https://github.com/hbb0b0/Hbb0b0.CMS/tree/master/hbb0b0.CMS.Portal

相關文章:

原文地址:http://www.cnblogs.com/hbb0b0/p/8399996.html



   

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