SPA项目开发之登录注册

1. vue怎么引入和配置使用element-ui框架:

1.1 使用vue-cli脚手架工具创建一个vue项目
      vue init webpack pro01

  1.2 npm安装elementUI
      cd pro01                                   #进入新建项目的根目录
      npm install element-ui -S                  #安装element-ui模块

  ## 重要的事情说三遍:在指定位置!!!在指定位置!!!在指定位置!!!~~~添加三行代码
  1.3 在项目中src目录下找到main.js,并在指定位置添加三行代码(main.js是入口文件,所以在这里引入就行,页面就不用引入了)
      import Vue from 'vue'
 
      import ElementUI from 'element-ui' //新添加1
      import 'element-ui/lib/theme-chalk/index.css' //新添加2,避免后期打包样式不同,要放在import App from './App';之前
      
      import App from './App'
      import router from './router'


      Vue.use(ElementUI)   //新添加3
      Vue.config.productionTip = false

  1.4 测试
      修改HelloWorld.vue添加elementUI组件查看效果

2. Vue+ElementUI设计登陆页面:

注1:相关样式见资料“css.txt”

   注2:<style scoped>
        在vue组件中,在style标签上添加scoped属性,以表示它的样式作用于当下的模块,很好的实现了样式私有化的目的

   注2:auto-complete="off"
        autocomplete 属性是 HTML5 中的新属性,off-----禁用自动完成

资料:css.txt

App.vue

<style> 
html,
body {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 0px;
    margin: 0px;
}
#app {
    font-family: "Avenir", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: #2c3e50;
    widows: 100%;
    height: 100%;
}
</style>


login.vue
<style scoped>
	.login-wrap {
		box-sizing: border-box;
		width: 100%;
		height: 100%;
		padding-top: 10%;
		background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
                <g id="Group-18" opacity="0.8" transform="translate(74.901416, 569.699158) rotate(-7.000000) translate(-74.901416, -569.699158) translate(4.901416, 525.199158)">
                    <ellipse id="Oval-11" fill="#CFDAE6" opacity="0.25" cx="63.5748792" cy="32.468367" rx="21.7830479" ry="21.766008"></ellipse>
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                </g>
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    </g>
</svg>);
		/* background-color: #112346; */
		background-repeat: no-repeat;
		background-position: center right;
		background-size: 100%;
	}

	.login-container {
		border-radius: 10px;
		margin: 0px auto;
		width: 350px;
		padding: 30px 35px 15px 35px;
		background: #fff;
		border: 1px solid #eaeaea;
		text-align: left;
		box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
	}

	.title {
		margin: 0px auto 40px auto;
		text-align: center;
		color: #505458;
	}
</style>

代码块中有App.vue和login.vue的字样,这是代表的是这两个名字下的代码是这两个下的代码。等下回展示给大家看的。
先给大家看前端的代码:
所要的如下图所示
在这里插入图片描述
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/T224_SSH', //服务器
	'SYSTEM_USER_DOLOGIN': '/vue/userAction_login.action', //用户登陆
	'SYSTEM_USER_DOREG': '/vue/userAction_reg.action', //用户注册
	'SYSTEM_MENU_TREE': '/vue/treeNodeAction.action', //左侧树形菜单加载
	'SYSTEM_ARTICLE_LIST': '/vue/articleAction_list.action', //文章列表
	'SYSTEM_ARTICLE_ADD': '/vue/articleAction_add.action', //文章新增
	'SYSTEM_ARTICLE_EDIT': '/vue/articleAction_edit.action', //文章修改
	'SYSTEM_ARTICLE_DEL': '/vue/articleAction_del.action', //文章删除
	'SYSTEM_USER_GETASYNCDATA': '/vue/userAction_getAsyncData.action', //vuex中的异步加载数据
	'getFullPath': k => { //获得请求的完整地址,用于mockjs测试时使用
		return this.SERVER + this[k];
	}
}

http.js:

/**
 * vue项目对axios的全局配置
 */
import axios from 'axios'
import qs from 'qs'

//引入action模块,并添加至axios的类属性urls上
import action from '@/api/action'
axios.urls = action

// axios默认配置
axios.defaults.timeout = 10000; // 超时时间
// axios.defaults.baseURL = 'http://localhost:8080/j2ee15'; // 默认地址
axios.defaults.baseURL = action.SERVER;

//整理数据
// 只适用于 POST,PUT,PATCH,transformRequest` 允许在向服务器发送前,修改请求数据
axios.defaults.transformRequest = function(data) {
	data = qs.stringify(data);
	return data;
};


// 请求拦截器
axios.interceptors.request.use(function(config) {
	// var jwt = window.vm.$store.getters.getJwt;
	// config.headers['jwt'] = jwt;
	return config;
}, function(error) {
	return Promise.reject(error);
});

// 响应拦截器
axios.interceptors.response.use(function(response) {
	// debugger;
	// var jwt = response.headers['jwt'];
	// if(jwt){
	// 	window.vm.$store.commit('setJwt',{jwt:jwt});
	// }
	return response;
}, function(error) {
	return Promise.reject(error);
});

// // 路由请求拦截
// // http request 拦截器
// axios.interceptors.request.use(
// 	config => {
// 		//config.data = JSON.stringify(config.data);  
// 		//config.headers['Content-Type'] = 'application/json;charset=UTF-8';
// 		//config.headers['Token'] = 'abcxyz';
// 		//判断是否存在ticket,如果存在的话,则每个http header都加上ticket
// 		// if (cookie.get("token")) {
// 		// 	//用户每次操作,都将cookie设置成2小时
// 		// 	cookie.set("token", cookie.get("token"), 1 / 12)
// 		// 	cookie.set("name", cookie.get("name"), 1 / 12)
// 		// 	config.headers.token = cookie.get("token");
// 		// 	config.headers.name = cookie.get("name");
// 		// }
// 		return config;
// 	},
// 	error => {
// 		return Promise.reject(error.response);
// 	});

// // 路由响应拦截
// // http response 拦截器
// axios.interceptors.response.use(
// 	response => {
// 		if (response.data.resultCode == "404") {
// 			console.log("response.data.resultCode是404")
// 			// 返回 错误代码-1 清除ticket信息并跳转到登录页面
// 			//      cookie.del("ticket")
// 			//      window.location.href='http://login.com'
// 			return
// 		} else {
// 			return response;
// 		}
// 	},
// 	error => {
// 		return Promise.reject(error.response) // 返回接口返回的错误信息
// 	});



export default axios;

index.js:

import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import Login from '@/views/Login'
import Reg from '@/views/Reg'
Vue.use(Router)

export default new Router({
	routes: [{
			path: '/',
			name: 'Login',
			component: Login
		},
		{
			path: '/Login',
			name: 'Login',
			component: Login
		},
		{
			path: '/Reg',
			name: 'Reg',
			component: Reg
		}
	]
})


Login.vue:

<template>
	<div class="login-wrap">
		<el-form :model="ruleForm" class="demo-ruleForm login-container">
			<h3 style="text-align: center;"> 用户登录</h3>
			<el-form-item label="用户名">
				<el-input v-model="ruleForm.uname"></el-input>
			</el-form-item>
			<el-form-item label="密码">
				<el-input type="password" v-model="ruleForm.pwd"></el-input>
			</el-form-item>
			<el-form-item>
				<el-button style="width: 100%;" type="primary" @click="doLogin()">提交</el-button>
			</el-form-item>
			<el-link type="primary">忘记密码</el-link>
			<el-link type="primary" @click="toReg">用户注册</el-link>
		</el-form>
	</div>
</template>

<script>
	export default {
		data() {
			return {
				ruleForm: {
					uname: '',
					pwd: ''
				}
			};
		},
		methods: {
			toReg() {
				this.$router.push({
					path: '/Reg'
				})
			},
			doLogin() {
				let url = this.axios.urls.SYSTEM_USER_DOLOGIN;
				this.axios.get(url, {
					params: this.ruleForm
				}).then((response) => { //成功的回调函数
					console.log(response);
					if(response.data.code == 1){
						this.$message({
							showClose: true,
							message: response.data.msg,
							type: 'success'
						});
					}
					else{
						this.$message({
							showClose: true,
							message: response.data.msg,
							type: 'error'
						});
					}
				}).catch((response) => { //失败的回调函数(异常)
					console.log(response);
				});



				/* post请求 */
				/* qs.stringify()  将json转为键值对形式 */
				/* axios.post(url, qs.stringify(this.ruleForm)).then((response) =>{
					console.log(response);
					if (response.data.code == 1) {
						this.$message({
							showClose: true,
							message: response.data.msg,
							type: 'success'
						});
					} else {
						this.$message({
							showClose: true,
							message: response.data.msg,
							type: 'error'
						});
					}
				}).catch(function(error) {
					console.log(error);
				}); */
			}
		}
	}
</script>

<style scoped>
	.login-wrap {
		box-sizing: border-box;
		width: 100%;
		height: 100%;
		padding-top: 10%;
		background-image: url(data:image/svg+xml;
		
		background-color: #112346;
		background-repeat: no-repeat;
		background-position: center right;
		background-size: 100%;
	}

	.login-container {
		border-radius: 10px;
		margin: 0px auto;
		width: 350px;
		padding: 30px 35px 15px 35px;
		background: #fff;
		border: 1px solid #eaeaea;
		text-align: left;
		box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
	}

	.title {
		margin: 0px auto 40px auto;
		text-align: center;
		color: #505458;
	}
</style>


Reg.vue:

<template>
	<div class="login-wrap">
		<el-form :model="ruleForm" class="demo-ruleForm login-container">
			<h3 style="text-align: center;">用户注册</h3>
			<el-form-item label="用户名">
				<el-input v-model="ruleForm.uname"></el-input>
			</el-form-item>
			<el-form-item label="密码">
				<el-input type="password" v-model="ruleForm.upwd" autocomplete="off"></el-input>
			</el-form-item>
			<el-form-item>
				<el-button style="width: 100%;" type="primary">提交</el-button>
			</el-form-item>
			<el-link type="primary">忘记密码</el-link>
			<el-link type="primary" @click="toLogin">用户登录</el-link>

		</el-form>

	</div>
</template>

<script>
	export default {
		data() {
			return {
				ruleForm: {
					uname: '',
					upwd: ''
				}
			};
		},
		methods: {
			toLogin(){
				this.$router.push({
					path:'/Login'
				})
			}
		}
	}
</script>

<style scoped>
	.login-wrap {
		box-sizing: border-box;
		width: 100%;
		height: 100%;
		padding-top: 10%;
		background-image: url(data:image/svg+xml;
		
		/* background-color: #112346; */
		background-repeat: no-repeat;
		background-position: center right;
		background-size: 100%;
	}

	.login-container {
		border-radius: 10px;
		margin: 0px auto;
		width: 350px;
		padding: 30px 35px 15px 35px;
		background: #fff;
		border: 1px solid #eaeaea;
		text-align: left;
		box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
	}

	.title {
		margin: 0px auto 40px auto;
		text-align: center;
		color: #505458;
	}
</style>


App.vue:

<template>
  <div id="app">
    <!-- <img src="./assets/logo.png"> -->
    <router-view/>
  </div>
</template>

<script>
export default {
  name: 'App'
}
</script>

<style> 
html,
body {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 0px;
    margin: 0px;
}
#app {
    font-family: "Avenir", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: #2c3e50;
    widows: 100%;
    height: 100%;
}
</style>



main.vue:

// 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'
import 'element-ui/lib/theme-chalk/index.css'
import App from './App'
import router from './router'
import ElementUI from 'element-ui'
import axios from '@/api/http' 
import VueAxios from 'vue-axios'



Vue.use(ElementUI) 
Vue.use(VueAxios,axios)
Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
	el: '#app',
	router,
	components: {
		App
	},
	template: '<App/>'
})


前端的代码就完成了。
接下来就开始写后端代码(本来打算分两次写,不过为了方便大家观看就写在一起吧):
后端代码:
entity层

User:

package com.lihao.vue.entity;

public class User {
	private String uname;
	private String pwd;

	public String getUname() {
		return uname;
	}

	public void setUname(String uname) {
		this.uname = uname;
	}

	public String getPwd() {
		return pwd;
	}

	public void setPwd(String pwd) {
		this.pwd = pwd;
	}

	@Override
	public String toString() {
		return "User [uname=" + uname + ", pwd=" + pwd + "]";
	}

	public User(String uname, String pwd) {
		super();
		this.uname = uname;
		this.pwd = pwd;
	}

	public User() {
		super();
	}

}

User.hbm.xml:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
	<class table="t_vue_user" name="com.lihao.vue.entity.User">
		<id name="uname" type="java.lang.String" column="uname">
			<generator class="assigned"></generator>
		</id>
		
		<property name="pwd" type="java.lang.String" column="pwd"></property>
	</class>
</hibernate-mapping>

Dao层
UserDao:

package com.lihao.vue.dao;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.springframework.orm.hibernate5.HibernateCallback;

import com.lihao.base.dao.BaseDao;
import com.lihao.vue.entity.User;
import com.lihao.vue.util.PageBean;
import com.lihao.vue.util.StringUtils;

public class UserDao extends BaseDao {

	private static final long serialVersionUID = -2644908989655094673L;

	public List<User> list(User user,PageBean pageBean) {
		BaseDao obj = this;
		return (List<User>) this.getHibernateTemplate().execute(new HibernateCallback<List<User>>() {
			@Override
			public List<User> doInHibernate(Session session) throws HibernateException {
				String hql = "from User where 1=1 ";
				Map<String, Object> map = new HashMap<>();
				String uname = user.getUname();
				String pwd = user.getPwd();
				if (StringUtils.isNotBlank(uname)) {
					hql += " and uname = :uname";
					map.put("uname", uname);
				}
				if (StringUtils.isNotBlank(pwd)) {
					hql += " and pwd = :pwd";
					map.put("pwd", pwd);
				}
				return obj.executeQuery(session, hql, map, pageBean);
			}
		});
	}
}

Biz层:
UserBiz:

package com.lihao.vue.biz;

import com.lihao.vue.entity.User;

public interface UserBiz {
	public User login(User user);
}

UserBizImpl:

package com.lihao.vue.biz.impl;

import com.lihao.vue.biz.UserBiz;
import com.lihao.vue.dao.UserDao;
import com.lihao.vue.entity.User;

public class UserBizImpl implements UserBiz {
	private UserDao userDao;

	public UserDao getUserDao() {
		return userDao;
	}

	public void setUserDao(UserDao userDao) {
		this.userDao = userDao;
	}

	@Override
	public User login(User user) {
		return userDao.list(user, null).get(0);
	}

}

Web层:
UserAction:

package com.lihao.vue.web;

import java.util.HashMap;
import java.util.Map;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.opensymphony.xwork2.ModelDriven;
import com.lihao.base.web.BaseAction;
import com.lihao.vue.biz.UserBiz;
import com.lihao.vue.entity.User;
import com.lihao.vue.util.JsonData;
import com.lihao.vue.util.JwtUtils;
import com.lihao.vue.util.PageBean;
import com.lihao.vue.util.ResponseUtil;
import com.lihao.vue.util.StringUtils;

public class UserAction extends BaseAction implements ModelDriven<User>{

	private UserBiz userBiz;
	private User user = new User();

	public UserBiz getUserBiz() {
		return userBiz;
	}

	public void setUserBiz(UserBiz userBiz) {
		this.userBiz = userBiz;
	}
	 
	public String login() {
		ObjectMapper om = new ObjectMapper();
		JsonData jsonData = null;
		try {
			if(StringUtils.isBlank(user.getUname()) || StringUtils.isBlank(user.getPwd())) {
				jsonData = new JsonData(0, "用户或者密码为空", user);
			}else {
				User u = this.userBiz.login(user);
//				Map<String, Object> claims = new HashMap<String, Object>();
//				claims.put("uname",user.getUname());
//				claims.put("pwd", user.getPwd());
//				String jwt = JwtUtils.createJwt(claims, JwtUtils.JWT_WEB_TTL);
//				response.setHeader(JwtUtils.JWT_HEADER_KEY, jwt);
				jsonData = new JsonData(1, "登录成功", u);
			}
		} catch (Exception e) {
			e.printStackTrace();
			jsonData = new JsonData(0, "用户或者密码错误", user);
		}finally {
			try {
				ResponseUtil.write(response, om.writeValueAsString(jsonData));
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		
		return null;
	}
	
	public String getAsyncData() {
		ObjectMapper om = new ObjectMapper();
		try {
			Thread.sleep(6000);
			ResponseUtil.write(response, om.writeValueAsString("http://www.javaxl.com"));
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	@Override
	public User getModel() {
		return user;
	}
}

要用到的后端代码还有,不过这篇博客的主要的还是在上面的代码,后期我会专门写一篇博客来写后端的代码。到时候会放链接在这篇博客里。后端代码
在这里插入图片描述
上面的就是后端的代码。本片只有一部分用到了

接下来展示效果:
在这里插入图片描述

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