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黑马大事件

凯约 2024-09-04 阅读 20
java

项目介绍

演示网站:

https://fe-bigevent-web.itheima.net/login

实现

1)创建项目

npm init vue@latest

2)安装项目需要的依赖

npm install element-plus --save
npm install axios
npm install sass -D

3)在main.js中加入Element的内容

import { createApp } from 'vue'
import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'
import App from './App.vue'

//引入中文文件
import zhCn from 'element-plus/dist/locale/zh-cn.mjs'
import * as ElementPlusIconsVue from '@element-plus/icons-vue'

const app = createApp(App)
for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
    app.component(key, component)
}
app.use(ElementPlus, {
    locale: zhCn,
})
app.mount('#app')

4)复制准备好的资料

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

用户功能

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

查询性质:(如果查询有条件, 页面绑定,收集条件)声明变量 --> 发送请求,获取数据—>绑定页面

增删改性质:页面绑定 --> 发送请求–> 处理返回结果

注册功能

将Login.vue复制到views目录下,然后从App.Vue中引入此组件

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

实现注册功能

<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import axios from 'axios';
import { ElMessage } from 'element-plus';
import { ref } from 'vue'
//控制注册与登录表单的显示, 默认显示注册
const isRegister = ref(false)

//用户注册
const registerData = ref({
    username: '',
    password: '',
    password2: ''
})
const register = function () {
    axios.post('http://localhost:8080/user/register', registerData.value).then(resp => {
        if (resp.data.code == 0) {
			ElMessage.success('注册成功!')
			isRegister.value = false
        } else {
            ElMessage.error(resp.data.msg)
        }
    }).catch(err => {
        console.error(err)
    })
}
</script>

<template>
    <el-row class="login-page">
        <el-col :span="12" class="bg"></el-col>
        <el-col :span="6" :offset="3" class="form">
            <!-- 注册表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister">
                <el-form-item>
                    <h1>注册</h1>
                </el-form-item>
                <el-form-item>
                    <el-input :prefix-icon="User" v-model="registerData.username" placeholder="请输入用户名"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-input :prefix-icon="Lock" type="password" v-model="registerData.password"
                        placeholder="请输入密码"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-input :prefix-icon="Lock" type="password" v-model="registerData.password2"
                        placeholder="请输入再次密码"></el-input>
                </el-form-item>
                <!-- 注册按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" @click="register()" auto-insert-space>
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false">
                        ← 返回
                    </el-link>
                </el-form-item>
            </el-form>
            <!-- 登录表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-else>
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item>
                    <el-input :prefix-icon="User" placeholder="请输入用户名"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-checkbox>记住我</el-checkbox>
                        <el-link type="primary" :underline="false">忘记密码?</el-link>
                    </div>
                </el-form-item>
                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space>登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>

跨域问题

当我们点击注册按钮,发送请求的时候,会出现下面的跨域问题

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

跨域问题是由于浏览器的同源策略引起的,当浏览器从一个域名的网页去请求另一个域名的资源时,出现域名、端口、协议任一不同,都属于跨域

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

跨域问题可以在前后任意一端进行解决,目前大部分企业项目会选择在前端代码中添加代理进行解决

vie.config.js中配置代理

import { fileURLToPath, URL } from 'node:url'

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'

export default defineConfig({
	plugins: [
		vue(),
	],
	resolve: {
		alias: {
			'@': fileURLToPath(new URL('./src', import.meta.url))
		}
	},
	//配置代理
	server: {
		proxy: {
			'/api': {
				target: 'http://localhost:8080', // 后端服务器地址
				changeOrigin: true, // 是否改变请求域名
				rewrite: (path) => path.replace(/^\/api/, '')//将原有请求路径中的api替换为''
			}
		}
	}
})

修改发送请求的代码

//用户注册
const register = function(){
    // axios.post('http://localhost:8080/user/register',registerData.value).then(resp=>{
    //     console.log(resp.data);
    // })
    
    axios.post('/api/user/register',registerData.value).then(resp=>{
        console.log(resp.data);
        if(resp.data.code == 0){
             ElMessage.success('注册成功!')
			isRegister.value = false
        }else{
            ElMessage.error(resp.data.message)
        }
    }).catch(err => {
        console.log(err)
    })
}

登录功能

定义数据和方法

//用户登录
const loginData = ref({
    username: '',
    password: ''
})
const login = function () {
    axios.post('/api/user/login', loginData.value).then(resp => {
        if (resp.data.code == 0) {
            ElMessage.success('登录成功!')
            //跳转首页
        } else {
            ElMessage.error(resp.data.message);
        }
    }).catch(err => {
        console.error(err)
    })
}

页面绑定

			<!-- 登录表单 -->
            <el-form ref="form" size="large" autocomplete="off" :model="loginData" v-else>
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item>
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="loginData.username"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-input name="password" :prefix-icon="Lock" type="password" v-model="loginData.password" placeholder="请输入密码"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-checkbox>记住我</el-checkbox>
                        <el-link type="primary" :underline="false">忘记密码?</el-link>
                    </div>
                </el-form-item>
                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login()">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>

Api封装

在src目录下创建util/request.js

//导入axios
import axios from 'axios';
import { ElMessage } from 'element-plus';

//复制axios实例
const request = axios.create({
    baseURL: "/api"
})

//为request实例添加响应拦截器
request.interceptors.response.use(
    result => {
        if (result.data.code === 0) {
            return result.data;
        }
        //报错
        ElMessage.error(result.data.message ? result.data.message : "服务器异常");
        return Promise.reject(result.data);
    },
    err => {
        console.log(err);
        return Promise.reject(err);
    }
)

//导出request对象
export default request;

在src目录下创建/api/user.js

//导入request.js
import request from "@/util/request";

//用户注册
export function registerAPI(params) {
return request.post('/user/register', params.value);
}

//用户登录
export function loginAPI(params) {
return request.post('/user/login', params.value);
}

修改Login.vue中的方法

import {registerApi,loginApi} from  '@/api/user.js'

//用户注册
const register = async function () {
    let data = await registerApi(registerData);
    ElMessage.success('注册成功!');
}

//用户登录
const login = async function () {
    let result = await loginAPI(loginData);
    ElMessage.success('登录成功!');
}

路由

路由介绍

在App.vue中,不能同时展示Login.vue和Layout.vue的原因是vue属于单页面应用程序

也就是说一个网站中显示一个页面,所有的功能与交互都在这唯一的一个页面内完成

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

实现上面内容就要用到路由,它就是根据浏览器的访问路径不同,将不同的组件渲染到唯一的一个页面上

而路由的核心就是配置页面路径和访问组件之间的映射关系

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

使用路由

添加页面

复制资料中的Home.vue到views目录中

安装路由

  1. 添加依赖
npm install vue-router@4
  1. 在src/router目录下,定义一个index.js文件,内容如下
//导入vue-router
import { createRouter, createWebHistory } from 'vue-router'

//导入组件
import Login from '@/views/Login.vue'
import Home from '@/views/Home.vue'

//定义路由关系
const routes = [
    { path: '/login', component: Login },
    { path: '/', component: Home }
]

//创建路由器
const router = createRouter({
    history: createWebHistory(),
    routes: routes
});

export default router
  1. 在main.js中导入创建应用实例的js文件,并调用实例的use方法使用路由器
// 导入
import router from '@/router'

// 使用
app.use(router)
  1. 在App.vue文件的template标签中,定义router-view标签

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

  1. 在浏览器地址栏分别访问:http://localhost:5173/ 和 http://localhost:5173/login

登录跳转

在登录成功后,需要通过代码的方式将页面切换到首页,此时就需要调用路由器相关的API

//用户登录
const login = async function () {
    let result = await loginAPI(loginData);
    ElMessage.success('登录成功!');
    router.push("/")
}

子路由

在咱们的主页面中,当用户点击左侧的菜单时,右侧主区域的内容需要发生变化,

将来每切换一个菜单,右侧需要加载对应组件的内容进行展示,像这样的场景咱们也需要使用路由来完成

由于这些组件都需要在Layout.vue中展示, 而Layout.vue本身已经参与了路由,因此我们需要在Layout.vue中通过子路由的方式来实现

提供组件

将提供好的页面复制到项目中

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

配置子路由

在src/router/index.js中配置子路由

//导入vue-router
import { createRouter, createWebHistory } from 'vue-router'

//导入组件
import Login from '@/views/Login.vue'
import Layout from '@/views/Layout.vue'
import ArticleCategory from '@/views/article/ArticleCategory.vue'
import ArticleManage from '@/views/article/ArticleManage.vue'
import UserInfo from '@/views/user/UserInfo.vue'
import UserAvatar from '@/views/user/UserAvatar.vue'
import UserResetPassword from '@/views/user/UserResetPassword.vue'

//定义路由关系
const routes = [
    { path: '/login', component: Login },
    {
        path: '/',
        component: Layout,
        //重定向
        redirect: '/article/manage',
        //子路由
        children: [
            { path: '/article/category', component: ArticleCategory },
            { path: '/article/manage', component: ArticleManage },
            { path: '/user/info', component: UserInfo },
            { path: '/user/avatar', component: UserAvatar },
            { path: '/user/password', component: UserResetPassword },
        ]
    }
]

//创建路由器
const router = createRouter({
    history: createWebHistory(),
    routes: routes
});

export default router

添加子路由锚点

在Layout.vue组件的右侧中间区域,添加router-view标签

<!-- 中间区域 -->
<el-main>
    <div style="width: 1290px; height: 570px;border: 1px solid red;">
        <router-view></router-view>
    </div>
</el-main>

添加跳转链接

为左侧按钮添加路由链接

        <!-- 左侧菜单 -->
        <el-aside width="200px">
            <div class="el-aside__logo"></div>
            <el-menu active-text-color="#ffd04b" background-color="#232323"  text-color="#fff" router>
                <el-menu-item index="/article/category">
                    <el-icon>
                        <Management />
                    </el-icon>
                    <span>文章分类</span>
                </el-menu-item>
                <el-menu-item index="/article/manage">
                    <el-icon>
                        <Promotion />
                    </el-icon>
                    <span>文章管理</span>
                </el-menu-item>
                <el-sub-menu >
                    <template #title>
                        <el-icon>
                            <UserFilled />
                        </el-icon>
                        <span>个人中心</span>
                    </template>
                    <el-menu-item index="/user/info">
                        <el-icon>
                            <User />
                        </el-icon>
                        <span>基本资料</span>
                    </el-menu-item>
                    <el-menu-item index="/user/avatar">
                        <el-icon>
                            <Crop />
                        </el-icon>
                        <span>更换头像</span>
                    </el-menu-item>
                    <el-menu-item index="/user/password">
                        <el-icon>
                            <EditPen />
                        </el-icon>
                        <span>重置密码</span>
                    </el-menu-item>
                </el-sub-menu>
            </el-menu>
        </el-aside>

文章分类功能

查询列表

创建src/api/category.js文件编写查询分类的功能

//导入请求工具类
import request from '@/util/request.js'

//文章分类列表查询
export function findArticleCategoryListAPI(){
    return request.get('/category')
}

在ArticleCategory.vue中定义查询方法

import { findArticleCategoryListAPI } from '@/api/category';

//获取所有文章分类数据
const categorys = ref([])
const findAllCategory = async function () {
    let result = await findArticleCategoryListAPI();
    categorys.value = result.data;
}
findAllCategory();

但是上述的代码并不能真正的获取到所有文章分类数据,服务器响应状态码为401,因为目前请求头中并没有携带token

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

我们后面所发送的请求都需要在请求头中携带token,这可以借助请求拦截器实现

而这个token是在登录成功返回来的,所有我们还要修改登录成功的代码,将返回的token存储在LocalStorage中

① 修改登录代码

//用户登录
const login = async function () {
    let result = await loginAPI(loginData);
    //将token报错到localStorage中
    localStorage.setItem("BIG_EVENT_TOKEN", result.data);
    ElMessage.success('登录成功!');
    router.push("/")
}

② 修改request工具类

//导入axios
import router from '@/router';
import axios from 'axios';
import { ElMessage } from 'element-plus';

//复制axios实例
const request = axios.create({
    baseURL:"/api"
})

//为request添加请求拦截器
request.interceptors.request.use(
    (config)=>{
        //在发送请求之前做什么
        let token = localStorage.getItem("BIG_EVENT_TOKEN");
        //如果token中有值,在携带
        if(token){
            config.headers.Authorization=token
        }
        return config
    },
    (err)=>{
        //如果请求错误做什么
        Promise.reject(err)
    }
)

//为request实例添加拦截器
request.interceptors.response.use(
    result => {
        if(result.data.code ===0){
            return result.data;
        }
        //报错
        ElMessage.error(result.data.msg ? result.data.msg : "服务器异常");
        return Promise.reject(result.data);
    },
    err=>{
        console.log(err);
        //如果响应状态码时401,代表未登录,给出对应的提示,并跳转到登录页
        if(err.response.status===401){
            ElMessage.error('请先登录!')
            router.push('/login')
        }else{
            ElMessage.error('服务异常');
        }
        return Promise.reject(err);
    }
)

//导出request对象
export default request;

添加分类

category.js

//新增文章分类
export function saveCategoryAPI(params){
    return request.post('/category',params.value)
}

在ArticleCategory.vue中js部分

const dialogVisible = ref(false)//控制添加弹窗显示
const categoryForAdd = ref({})//添加分类对象
const saveCategory = async function () {
    let result = await saveCategoryAPI(categoryForAdd);
    //清空表单
    categoryForAdd.value = {}
    //关闭弹框
    dialogVisible.value = false
    //重新查询
    findAllCategory()
}

在ArticleCategory.vue中html部分

    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" title="添加弹层" width="30%">
        <el-form label-width="100px" style="padding-right: 30px">
            <el-form-item label="分类名称">
                <el-input v-model="categoryForAdd.categoryName" minlength="1" maxlength="10"></el-input>
            </el-form-item>
            <el-form-item label="分类别名">
                <el-input v-model="categoryForAdd.categoryAlias" minlength="1" maxlength="15"></el-input>
            </el-form-item>
        </el-form>
        <template #footer>
            <span class="dialog-footer">
                <el-button @click="dialogVisible = false">取消</el-button>
                <el-button type="primary" @click="saveCategory()"> 确认 </el-button>
            </span>
        </template>
    </el-dialog>

回显分类

在actegory.js新增主键查询方法

//根据id查询
export function findCategoryByIdAPI(id){
    return request.get('/category/'+id)
}

点击修改,触发查询回显方法

<el-button :icon="Edit" circle plain type="primary" @click="openUpdateDialog(row.id)"></el-button>

发送请求,获取分类

//打开修改框
const dialogVisible2 = ref(false)//控制修改弹窗显示
const categoryForUpdate = ref({})//添加修改分类对象
const openUpdateDialog = async function(id){
    //弹层
    dialogVisible2.value = true
    //查询
    let result = await findCategoryByIdAPI(id);
    //回显
    categoryForUpdate.value = result.data;
}

回显到页面上

    <!-- 修改分类弹窗 -->
    <el-dialog v-model="dialogVisible2" title="修改弹层" width="30%">
        <el-form label-width="100px" style="padding-right: 30px">
            <el-form-item label="分类名称">
                <el-input v-model="categoryForUpdate.categoryName" minlength="1" maxlength="10"></el-input>
            </el-form-item>
            <el-form-item label="分类别名">
                <el-input v-model="categoryForUpdate.categoryAlias" minlength="1" maxlength="15"></el-input>
            </el-form-item>
        </el-form>
        <template #footer>
            <span class="dialog-footer">
                <el-button @click="dialogVisible2 = false">取消</el-button>
                <el-button type="primary" @click="updateCategory()"> 确认 </el-button>
            </span>
        </template>
    </el-dialog>

category.js

//修改文章分类
export function updateCategoryAPI(params){
    return request.put('/category',params.value)
}

修改分类

//修改分类
const updateCategory = async function () {
    let result = await updateCategoryAPI(categoryForUpdate);
    //关闭弹框
    dialogVisible2.value = false
    //重新查询
    findAllCategory()
}

删除分类

触发删除方法

<el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row.id)"></el-button>

category.js

//根据id删除
export function deleteCategoryByIdAPI(id){
    return request.delete('/category/'+id)
}

删除方法

//删除
const deleteCategory = async function (id) {
    ElMessageBox.confirm('你确认删除该分类信息吗?', '温馨提示',
        {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning',
        }
    ).then(async () => {
        //用户点击了确认
        let result = await deleteCategoryByIdAPI(id);
        findAllCategory()
        ElMessage({
            type: 'success',
            message: '删除成功',
        })
    }).catch(() => {
        //用户点击了取消
        ElMessage({
            type: 'info',
            message: '取消删除',
        })
    })
}

文章管理功能

文章列表

文章分类选项

外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传

//文章分类数据模型
const categorys = ref([])
const findAllCategory = async function () {
    let result = await findArticleCategoryListAPI();
    categorys.value = result.data;
}
findAllCategory();

分页查询

article.js

//导入请求工具类
import request from '@/util/request.js'

//分页列表查询
export function findArticleListByPageAPI(categoryId, state, pageNum, pageSize) {
    return request.get('/article', {
        params: {
            "categoryId": categoryId.value,
            "state": state.value,
            "pageNum": pageNum.value,
            "pageSize": pageSize.value,
        }
    });
}

页面渲染

<script setup>
import { findArticleListByPageAPI } from '@/api/article';
import { findArticleCategoryListAPI } from '@/api/category';
import {
    Edit,
    Delete, Plus
} from '@element-plus/icons-vue'
import { ref } from 'vue'
//import func from '../../../vue-temp/vue-editor-bridge';
//控制抽屉是否显示
const visibleDrawer = ref(false)
//添加表单数据模型
const articleModel = ref({
    title: '',
    categoryId: '',
    coverImg: '',
    content: '',
    state: ''
})


//文章分类数据模型
const categorys = ref([])
const categoryMap = new Map()
const findArticleCategoryList = async function(){
    let result = await findArticleCategoryListAPI()
    categorys.value = result.data

    for(let category of categorys.value){
        categoryMap.set(category.id,category.categoryName);
    }
}
findArticleCategoryList()


//用户搜索时选中的分类id
const categoryId = ref('')
//用户搜索时选中的发布状态
const state = ref('')



//分页条数据模型
const pageNum = ref(1)//当前页
const total = ref(20)//总条数
const pageSize = ref(3)//每页条数
const onSizeChange = (size) => {//当每页条数发生了变化,调用此函数
    //pageSize.value = size
    findArticleListByPage()
}
const onCurrentChange = (num) => {//当前页码发生变化,调用此函数
    //pageNum.value = num
    findArticleListByPage()
}

//文章列表数据模型
const articles = ref([])
const findArticleListByPage = async function(){
      let result =await findArticleListByPageAPI(categoryId,state,pageNum,pageSize)
      total.value = result.data.total
      for(let item of result.data.items){
        item.categoryName = categoryMap.get(item.categoryId)
      }
      articles.value = result.data.items
}
findArticleListByPage();

</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章管理</span>
                <div class="extra">
                    <el-button type="primary" @click="visibleDrawer = true">添加文章</el-button>
                </div>
            </div>
        </template>
        <!-- 搜索表单 -->
        <el-form inline>
            <el-form-item label="文章分类:" style="width: 250px;">
                <el-select placeholder="请选择" v-model="categoryId">
                    <el-option v-for="c in categorys" :key="c.id" :label="c.categoryName" :value="c.id">
                    </el-option>
                </el-select>
            </el-form-item>

            <el-form-item label="发布状态:" style="width: 250px;">
                <el-select placeholder="请选择" v-model="state">
                    <el-option label="已发布" value="1"></el-option>
                    <el-option label="草稿" value="0"></el-option>
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="findArticleListByPage">搜索</el-button>
                <el-button>重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 文章列表 -->
        <el-table :data="articles" style="width: 100%">
            <el-table-column label="文章标题" width="400" prop="title"></el-table-column>
            <el-table-column label="分类" prop="categoryName"></el-table-column>
            <el-table-column label="发表时间" prop="createTime"> </el-table-column>
            <el-table-column label="状态" prop="state">
                <template #default="{ row }">
                    {{row.state == 1 ? '已发布' : '草稿'}}
                </template>
            </el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary"></el-button>
                    <el-button :icon="Delete" circle plain type="danger"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 分页条 -->
        <el-pagination v-model:current-page="pageNum" v-model:page-size="pageSize" :page-sizes="[3, 5, 10, 15]"
            layout="jumper, total, sizes, prev, pager, next" background :total="total" @size-change="onSizeChange"
            @current-change="onCurrentChange" style="margin-top: 20px; justify-content: flex-end" />
    </el-card>

    <!-- 抽屉 -->
    <el-drawer v-model="visibleDrawer" title="添加文章" direction="rtl" size="50%">
        <!-- 添加文章表单 -->
        <el-form :model="articleModel" label-width="100px">
            <el-form-item label="文章标题">
                <el-input v-model="articleModel.title" placeholder="请输入标题"></el-input>
            </el-form-item>
            <el-form-item label="文章分类">
                <el-select placeholder="请选择" v-model="articleModel.categoryId">
                    <el-option v-for="c in categorys" :key="c.id" :label="c.categoryName" :value="c.id">
                    </el-option>
                </el-select>
            </el-form-item>
            <el-form-item label="文章封面">

                <el-upload class="avatar-uploader" :auto-upload="false" :show-file-list="false">
                    <img v-if="articleModel.coverImg" :src="articleModel.coverImg" class="avatar" />
                    <el-icon v-else class="avatar-uploader-icon">
                        <Plus />
                    </el-icon>
                </el-upload>
            </el-form-item>
            <el-form-item label="文章内容">
                <div class="editor">富文本编辑器</div>
            </el-form-item>
            <el-form-item>
                <el-button type="primary">发布</el-button>
                <el-button type="info">草稿</el-button>
            </el-form-item>
        </el-form>
    </el-drawer>
</template>
<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}

/* 抽屉样式 */
.avatar-uploader {
    :deep() {
        .avatar {
            width: 178px;
            height: 178px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 178px;
            height: 178px;
            text-align: center;
        }
    }
}

.editor {
    width: 100%;

    :deep(.ql-editor) {
        min-height: 200px;
    }
}
</style>

添加文章

富文本编辑器

文章内容需要使用到富文本编辑器,这里咱们使用一个开源的富文本编辑器 Quill

官网地址: https://vueup.github.io/vue-quill/

安装:

npm install @vueup/vue-quill@latest --save

导入组件和样式:

import { QuillEditor } from '@vueup/vue-quill'
import '@vueup/vue-quill/dist/vue-quill.snow.css'

页面长使用quill组件:

<quill-editor theme="snow" v-model:content="articleModel.content" contentType="html"></quill-editor>

图片上传

将来当点击+图标,选择本地图片后,el-upload这个组件会自动发送请求,把图片上传到指定的服务器上,而不需要我们自己使用axios发送异步请求,所以需要给el-upload标签添加一些属性,控制请求的发送

auto-upload:是否自动上传

action: 服务器接口路径

name: 上传的文件字段名

headers: 设置上传的请求头

on-success: 上传成功的回调函数

//获取token
const getToken = function(){
    return localStorage.getItem("BIG_EVENT_TOKEN")
}

//上传图片成功回调
const uploadSuccess = (img) => {
    //img就是后台响应的数据,格式为:{code:状态码,message:提示信息,data: 图片的存储地址}
    articleModel.value.coverImg=img.data
}
<el-form-item label="文章封面">
    <el-upload class="avatar-uploader" :show-file-list="false"
               :auto-upload="true"  action="/api/upload"
               :name="file" :headers="{'Authorization':getToken()}"
               :on-success = "uploadSuccess">
        <img v-if="articleModel.coverImg" :src="articleModel.coverImg" class="avatar" />
        <el-icon v-else class="avatar-uploader-icon">
            <Plus />
        </el-icon>
    </el-upload>
</el-form-item>

保存文章实现

article.js中提供添加文章函数

//添加文章
export function saveArticleAPI(params){
    return request.post('/article',params.value)
}

为已发布和草稿按钮绑定事件

<el-form-item>
    <el-button type="primary" @click="addArticle('1')">发布</el-button>
    <el-button type="info" @click="addArticle('0')">草稿</el-button>
</el-form-item>

ArticleManage.vue中提供addArticle函数完成添加文章接口的调用

//添加文章
const addArticle = async function (state) {
    articleModel.value.state = state
    let result = await saveArticleAPI(articleModel);
    ElMessage.success(result.message ? result.message : '添加成功')
    //再次调用getArticles,获取文章
    findByPage()
    //隐藏抽屉
    visibleDrawer.value = false
}
<el-upload class="avatar-uploader" :show-file-list="false"
:auto-upload="true" action="/api/upload"
:name="file" :headers="{'Authorization':getToken()}"
:on-success = "uploadSuccess">

<img v-if="articleModel.coverImg" :src="articleModel.coverImg" class="avatar" />
<el-icon v-else class="avatar-uploader-icon">
<Plus />
</el-icon>
</el-upload>
```

保存文章实现

article.js中提供添加文章函数

//添加文章
export function saveArticleAPI(params){
    return request.post('/article',params.value)
}

为已发布和草稿按钮绑定事件

<el-form-item>
    <el-button type="primary" @click="addArticle('1')">发布</el-button>
    <el-button type="info" @click="addArticle('0')">草稿</el-button>
</el-form-item>

ArticleManage.vue中提供addArticle函数完成添加文章接口的调用

//添加文章
const addArticle = async function (state) {
    articleModel.value.state = state
    let result = await saveArticleAPI(articleModel);
    ElMessage.success(result.message ? result.message : '添加成功')
    //再次调用getArticles,获取文章
    findByPage()
    //隐藏抽屉
    visibleDrawer.value = false
}
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