Login + registration of ElementUI -> Are you hungry? Complete the construction of user login interface, get request of axios, post request of axios, cross-domain, registration interface

  •  Are you hungry? Completed the construction of user registration and login interface
  • axios get request
  • axios post request
  • Cross domain
  • Registration interface

1. Are you hungry? Completed the construction of user registration and login interface

Change port number 8080 to 8081

Import dependencies, use the command npm install element-ui -S in the project root directory, and add the Element-UI module

-g: Download node_glodal global dependencies

-d (dependencies are placed in devDependencies of static/[]package.json): Download dependencies into the SPA project and will not participate in packaging

-s (dependencies are placed in dependencies of static/[]package.json): Download dependencies into the SPA project and participate in packaging

 

Login + registration static page implementation:

Create a views directory in the src directory (this directory is used to store vue components)

Introduce the element-ui module into main.js, find `main.js` in the src directory of the project, and add three lines of code at the specified location

//App.vue页面创建views
<template>
  <div id="app">
    <img src="./assets/logo.png">
    <!-- <router-link to="/Home">首页</router-link>
    <router-link to="/About">关于</router-link> -->
    <router-view></router-view>
  </div>
</template>

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

<style>
#app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

Check if the project can be started

//新建一个src下的view/login,写好登录界面
<template>
  <div class="login">
    <template>
    	<div class="login-wrap">
    		<el-form class="login-container">
    			<h1 class="title">用户登录</h1>
    			<el-form-item label="">
    				<el-input type="text" v-model="username" placeholder="登录账号" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item label="">
    				<el-input type="password" v-model="password" placeholder="登录密码" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item>
    				<el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button>
    			</el-form-item>
    			<el-row style="text-align: center;margin-top:-10px">
    				<el-link type="primary">忘记密码</el-link>
    				<el-link type="primary" @click="gotoRegister()">用户注册</el-link>
    			</el-row>
    		</el-form>
    	</div>
    </template>
    <router-view></router-view>
  </div>
</template>

<script>
import axios from 'axios'
export default {
  name: 'Login',
  data(){
    return{
        username:'',
        password:'',
        msg:'hhh',
    }
  },
  methods:{
    gotoRegister(){
      // router-link相当于a
      // location.href 相当于 this.$router.push
      this.$router.push('/Register');
    },
    doSubmit(){
    
    } 
  }
}
</script>


<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)">
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                    </g>
                </g>
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                    </g>
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                </g>
            </g>
        </g>
    </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>
//src下的App.vue,写好样式
<template>
  <div id="app">
    <img src="./assets/logo.png">
    <router-view></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>

//src/router/index.js
import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import Login from '@/views/Login'
import Register from '@/views/Register'

Vue.use(Router)

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

    })

2.axios get request

Prepare the background project, import sql, and view the project connection database password and other information (project name: ssm/src/main/resources/jdbc.properties)

Import the project into idea: file->open->copy the project path to the pop-up box->click pom.xml in the project->ok

Modify the default path of the maven server, etc., change the C drive to the D drive: click file->setting->search maven->modify the path on the right

Check whether the idea can run normally

Install axios, vue and other plug-ins in HbuiderX

Write the code related to the get request and run it

src下的view/login,get请求
<template>
  <div class="login">
    <template>
    	<div class="login-wrap">
    		<el-form class="login-container">
    			<h1 class="title">用户登录</h1>
    			<el-form-item label="">
    				<el-input type="text" v-model="username" placeholder="登录账号" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item label="">
    				<el-input type="password" v-model="password" placeholder="登录密码" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item>
    				<el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button>
    			</el-form-item>
    			<el-row style="text-align: center;margin-top:-10px">
    				<el-link type="primary">忘记密码</el-link>
    				<el-link type="primary" @click="gotoRegister()">用户注册</el-link>
    			</el-row>
    		</el-form>
    	</div>
    </template>
    <router-view></router-view>
  </div>
</template>

<script>
import axios from 'axios'
export default {
  name: 'Login',
  data(){
    return{
        username:'',
        password:'',
        msg:'hhh',
    }
  },
  methods:{
    gotoRegister(){
      // router-link相当于a
      // location.href 相当于 this.$router.push
      this.$router.push('/Register');
    },
    doSubmit(){
      let url='http://localhost:8080/ssm/user/userLogin';
      let params = {
        username:this.username,
        password:this.password
      };
      console.log(params);
      //ajax  then相当于success
      axios.get(url,{params:params,}).then(r=>{
         console.log(r);
         if(r.data.success){
           this.$message({
                     message: r.get.msg,
                     type: 'success'
                   });
                   // this.$router.push(''),/
                 }else{
                   this.$message.error(r.get.msg);
                 }
           console.log(e);
      }).catch(e=>{
           console.log(e);
      })
    }
  }
}
</script>


<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)">
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                    </g>
                </g>
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                </g>
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                    </g>
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                </g>
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            </g>
        </g>
    </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>

//src下的view/login,post请求
<template>
  <div class="login">
    <template>
    	<div class="login-wrap">
    		<el-form class="login-container">
    			<h1 class="title">用户登录</h1>
    			<el-form-item label="">
    				<el-input type="text" v-model="username" placeholder="登录账号" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item label="">
    				<el-input type="password" v-model="password" placeholder="登录密码" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item>
    				<el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button>
    			</el-form-item>
    			<el-row style="text-align: center;margin-top:-10px">
    				<el-link type="primary">忘记密码</el-link>
    				<el-link type="primary" @click="gotoRegister()">用户注册</el-link>
    			</el-row>
    		</el-form>
    	</div>
    </template>
    <router-view></router-view>
  </div>
</template>

<script>
import axios from 'axios'
import qs from 'qs'
export default {
  name: 'Login',
  data(){
    return{
        username:'',
        password:'',
        msg:'hhh',
    }
  },
  methods:{
    gotoRegister(){
      // router-link相当于a
      // location.href 相当于 this.$router.push
      this.$router.push('/Register');
    },
    doSubmit(){
      let url='http://localhost:8080/ssm/user/userLogin';
      let params = {
        username:this.username,
        password:this.password
      };
      console.log(params);
      //ajax  then相当于success
      // axios.get(url,{params:params,}).then(r=>{
      //    console.log(r);
      //    if(r.data.success){
      //      this.$message({
      //                message: r.get.msg,
      //                type: 'success'
      //              });
      //              // this.$router.push(''),
      //            }else{
      //              this.$message.error(r.get.msg);
      //            }
      //      console.log(r);
      // }).catch(e=>{
      //      console.log(e);
      // })
      axios.post(url,qs.stringify(params)).then(r=>{
         console.log(r);
         if(r.data.success){
           this.$message({
                     message: r.get.msg,
                     type: 'success'
                   });
                   // this.$router.push(''),
                 }else{
                   this.$message.error(r.get.msg);
                 }
           console.log(r);
      }).catch(e=>{
           console.log(e);
      })
    }
  }
}
</script>


<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)">
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                    <ellipse id="Oval-3" fill="#CFDAE6" opacity="0.599999964" cx="5.98746479" cy="13.8668601" rx="5.2173913" ry="5.21330997"></ellipse>
                    <path d="M38.1354514,88.3520215 C43.8984227,88.3520215 48.570234,83.6838647 48.570234,77.9254015 C48.570234,72.1669383 43.8984227,67.4987816 38.1354514,67.4987816 C32.3724801,67.4987816 27.7006688,72.1669383 27.7006688,77.9254015 C27.7006688,83.6838647 32.3724801,88.3520215 38.1354514,88.3520215 Z" id="Oval-3-Copy" fill="#CFDAE6" opacity="0.45"></path>
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                    <g id="Group-17" transform="translate(126.850922, 13.543654) rotate(30.000000) translate(-126.850922, -13.543654) translate(117.285705, 4.381889)" fill="#CFDAE6">
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                    </g>
                </g>
                <g id="Group-14" transform="translate(216.294700, 123.725600) rotate(-5.000000) translate(-216.294700, -123.725600) translate(106.294700, 35.225600)">
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                </g>
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                    </g>
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                    <ellipse id="Oval" stroke="#CFDAE6" stroke-width="0.941176471" cx="3.26271186" cy="3.29411765" rx="3.26271186" ry="3.29411765"></ellipse>
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                </g>
                <g id="Group-19" opacity="0.33" transform="translate(1282.537219, 446.502867) rotate(-10.000000) translate(-1282.537219, -446.502867) translate(1142.537219, 327.502867)">
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                    </g>
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                    <path d="M143.5,88.8126685 L155.070501,17.6038544" id="Path-17" stroke="#BACAD9" stroke-width="1.16666667"></path>
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                    <circle id="Oval-5" fill="#C1D1E0" cx="156.916667" cy="8.75" r="8.75"></circle>
                    <circle id="Oval-5-Copy-3" fill="#C1D1E0" cx="39.0833333" cy="148.75" r="5.25"></circle>
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                    <circle id="Oval-5-Copy-4" fill-opacity="0.6" fill="#D1DEED" cx="243.833333" cy="30.3333333" r="5.83333333"></circle>
                    <circle id="Oval-5-Copy-5" fill="#E0B4B7" cx="175.583333" cy="232.75" r="5.25"></circle>
                </g>
            </g>
        </g>
    </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>

optimization

//view/Login
<template>
  <div class="login">
    <template>
      <div class="login-wrap">
        <el-form class="login-container">
          <h1 class="title">用户登录</h1>
          <el-form-item label="">
            <el-input type="text" v-model="username" placeholder="登录账号" autocomplete="off"></el-input>
          </el-form-item>
          <el-form-item label="">
            <el-input type="password" v-model="password" placeholder="登录密码" autocomplete="off"></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" style="width:100%;" @click="doSubmit()">提交</el-button>
          </el-form-item>
          <el-row style="text-align: center;margin-top:-10px">
            <el-link type="primary">忘记密码</el-link>
            <el-link type="primary" @click="gotoRegister()">用户注册</el-link>
          </el-row>
        </el-form>
      </div>
    </template>
    <router-view></router-view>
  </div>
</template>

<script>
  import axios from 'axios'
  import qs from 'qs'
  export default {
    name: 'Login',
    data() {
      return {
        username: '',
        password: '',
        msg: 'hhh',
      }
    },
    methods: {
      gotoRegister() {
        // router-link相当于a
        // location.href 相当于 this.$router.push
        this.$router.push('/Register');
      },
      doSubmit() {
        let url = this.axios.urls.SYSTEM_USER_DOLOGIN;
        let params = {
          username: this.username,
          password: this.password
        };
        console.log(params);
        //ajax  then相当于success
        // axios.get(url,{params:params}).then(r=>{
        //    console.log(r);
        //    if(r.data.success){
        //      this.$message({
        //                message: r.data.msg,
        //                type: 'success'
        //              });
        //              // this.$router.push(''),
        //            }else{
        //              this.$message.error(r.data.msg);
        //            }
        //      console.log(r);
        // }).catch(e=>{
        //      console.log(e);
        // })
        this.axios.post(url, params).then(r => {
          console.log(r);
           if (r.data.success) {
            this.$message({
              showClose: true,
              message: r.data.msg,
              type: 'success'
            });
          } else {
            this.$message.error(r.data.msg);
          }
          console.log(r);
        }).catch(e => {
          console.log(e);
        });
      }
    }
  }
</script>


<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">
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            <g id="Group-21" transform="translate(77.000000, 73.000000)">
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                </g>
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                    </g>
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                </g>
            </g>
        </g>
    </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>
//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': '/userAction.action', //注册
	'getFullPath': k => { //获得请求的完整地址,用于mockjs测试时使用
		return this.SERVER + this[k];
	}
}
/**
 * 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': '/userAction.action', //注册
	'getFullPath': k => { //获得请求的完整地址,用于mockjs测试时使用
		return this.SERVER + this[k];
	}
}
//api/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) {
	return config;
}, function(error) {
	return Promise.reject(error);
});

// 响应拦截器
axios.interceptors.response.use(function(response) {
	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;
//src/view/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'
// 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,
  components: { App },
  template: '<App/>'
})

3. Cross-domain

package com.zlj.ssm.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 配置tomcat允许跨域访问
 * 
 * @author Administrator
 *
 */
public class CorsFilter implements Filter {
	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
	}
	@Override
	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
			throws IOException, ServletException {
		HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;
		HttpServletRequest req = (HttpServletRequest) servletRequest;
		// Access-Control-Allow-Origin就是我们需要设置的域名
		// Access-Control-Allow-Headers跨域允许包含的头。
		// Access-Control-Allow-Methods是允许的请求方式
		httpResponse.setHeader("Access-Control-Allow-Origin", "*");// *,任何域名
		httpResponse.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE");

		//允许客户端发一个新的请求头jwt
		httpResponse.setHeader("Access-Control-Allow-Headers","responseType,Origin,X-Requested-With, Content-Type, Accept, jwt");
		//允许客户端处理一个新的响应头jwt
		httpResponse.setHeader("Access-Control-Expose-Headers", "jwt,Content-Disposition");
		
		//httpResponse.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
		//httpResponse.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE");

		// axios的ajax会发两次请求,第一次提交方式为:option,直接返回即可
		if ("OPTIONS".equals(req.getMethod())) {
			return;
		}
		filterChain.doFilter(servletRequest, servletResponse);
	}
	@Override
	public void destroy() {

	}
}

 4. Registration page

front end 

//src/view/Register.vue
<template>
  <div class="login">
    <template>
    	<div class="login-wrap">
    		<el-form class="login-container">
    			<h1 class="title">用户注册</h1>
    			<el-form-item label="">
    				<el-input type="text" v-model="username" placeholder="注册账号" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item label="">
    				<el-input type="password" v-model="password" placeholder="注册密码" autocomplete="off"></el-input>
    			</el-form-item>
    			<el-form-item>
    				<el-button  style="width:100%;" @click="doSubmit()">提交</el-button>
    			</el-form-item>
    			<el-row style="text-align: center;margin-top:-10px">
    				<el-link type="primary">忘记密码</el-link>
    				<el-link type="primary" @click="gotoLogin()">用户登录</el-link>
    			</el-row>
    		</el-form>
    	</div>
    </template>
    <router-view></router-view>
  </div>
</template>

<script>
  // import xxx from 'axios'
  export default {
    name: 'Register',
    data() {
      return {
        username: "",
        password: "",
        msg: '嗨!嗨!嗨!'
      }
    },
    methods: {
      gotoLogin() {
        this.$router.push('/');
      },
      doSubmit() {
        let params = {
          username: this.username,
          password: this.password
        };
        //定义后端都请求地址
        var url = this.axios.urls.SYSTEM_USER_DOREG;
        // var url = "http://localhost:8080/ssm/user/userRegister";
        // debugger;
        console.log(params);
        console.log(url);
        //以下是post请求及整合资源
        //通过qs中的stringify方法进行格式转换
        //注意数据是保存到json对象的params属性
        this.axios.post(url, params).then(r => {
          console.log(r);
          //如果携带的参数数据跟后端数据对应正确,说明登入成功,提示
          if (r.data.success) {
            this.$message({
              showClose: true,
              message: r.data.msg,
              type: 'success'
            });
            //注册完成后自动进入登入界面
            this.$router.push('/');
          } else {
            //如果携带的参数数据跟后端数据对应错误,说明登入失败,提示
            this.$message.error(r.data.msg);
          }
        }).catch(e => {
          console.log(e);
        });



      }
    }
  }
</script>


<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>
                    <ellipse id="Oval-3" fill="#CFDAE6" opacity="0.599999964" cx="5.98746479" cy="13.8668601" rx="5.2173913" ry="5.21330997"></ellipse>
                    <path d="M38.1354514,88.3520215 C43.8984227,88.3520215 48.570234,83.6838647 48.570234,77.9254015 C48.570234,72.1669383 43.8984227,67.4987816 38.1354514,67.4987816 C32.3724801,67.4987816 27.7006688,72.1669383 27.7006688,77.9254015 C27.7006688,83.6838647 32.3724801,88.3520215 38.1354514,88.3520215 Z" id="Oval-3-Copy" fill="#CFDAE6" opacity="0.45"></path>
                    <path d="M64.2775582,33.1704963 L119.185836,16.5654915" id="Path-12" stroke="#CFDAE6" stroke-width="1.73913043" stroke-linecap="round" stroke-linejoin="round"></path>
                    <path d="M42.1431708,26.5002681 L7.71190162,14.5640702" id="Path-16" stroke="#E0B4B7" stroke-width="0.702678964" opacity="0.7" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
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</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>
//src/router/index.js
import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import Login from '@/views/Login'
import Register from '@/views/Register'

Vue.use(Router)

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

})
//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
	'getFullPath': k => { //获得请求的完整地址,用于mockjs测试时使用
		return this.SERVER + this[k];
	}
}

rear end

package com.zlj.ssm.service.impl;

import com.zlj.ssm.mapper.UserMapper;
import com.zlj.ssm.model.User;
import com.zlj.ssm.service.IUserService;
import com.zlj.ssm.util.PageBean;
import com.zlj.ssm.vo.UserVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

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

@Service
public class UserServiceImpl implements IUserService {

    @Autowired
    private UserMapper userMapper;

    @Override
    public List<Map<String, Object>> queryUserPager(UserVo userVo, PageBean pageBean) {
        return userMapper.queryUserPager(userVo);
    }

    @Override
    public int insertSelective(User record) {
        return userMapper.insertSelective(record);
    }
}
package com.zlj.ssm.controller;

import com.zlj.ssm.service.IUserService;
import com.zlj.ssm.util.JsonResponseBody;
import com.zlj.ssm.util.PageBean;
import com.zlj.ssm.vo.UserVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;
import com.zlj.ssm.jwt.*;

@Controller
@RequestMapping("/user")
public class UserController {

    @Autowired
    private IUserService userService;

    @RequestMapping("/userLogin")
    @ResponseBody
    public JsonResponseBody<?> userLogin(UserVo userVo, HttpServletResponse response) {
        System.out.println(123);
        if (userVo.getUsername().equals("admin") && userVo.getPassword().equals("123")) {
            //私有要求claim
//            Map<String,Object> json=new HashMap<String,Object>();
//            json.put("username", userVo.getUsername());
            //生成JWT,并设置到response响应头中
//            String jwt=JwtUtils.createJwt(json, JwtUtils.JWT_WEB_TTL);
//            response.setHeader(JwtUtils.JWT_HEADER_KEY, jwt);
            return new JsonResponseBody<>("用户登陆成功!", true, 0, null);
        } else {
            return new JsonResponseBody<>("用户名或密码错误!", false, 0, null);
        }
    }

    @RequestMapping("/queryUserPager")
    @ResponseBody
    public JsonResponseBody<List<Map<String, Object>>>
    queryUserPager(UserVo userVo, HttpServletRequest request) {
        try {
            PageBean pageBean = new PageBean();
            pageBean.setRequest(request);
            List<Map<String, Object>> users = userService.queryUserPager(userVo, pageBean);
            return new JsonResponseBody<>("OK", true, pageBean.getTotal(), users);
        } catch (Exception e) {
            e.printStackTrace();
            return new JsonResponseBody<>("分页查询用户信息失败!", false, 0, null);
        }

    }
    @RequestMapping("/userRegister")
    @ResponseBody
    public JsonResponseBody<?> userRegister(UserVo userVo, HttpServletResponse response) {
        //状态新注册默认为0
        userVo.setStatus("0");
        //因为ID为String类型需要手动设置,当然可以根据自己的需要改为Int类型
        userVo.setId("8");
        int i = userService.insertSelective(userVo);
        if (i > 0) {
            return new JsonResponseBody<>("注册成功", true, 0, null);
        } else {
            return new JsonResponseBody<>("用户注册失败,请重新输入", false, 0, null);
        }

    }
}

 

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Origin blog.csdn.net/weixin_73471776/article/details/133182849