写一篇开发语言技术介绍,使用Java语言主要用到技术有spring boot、vue、elementui、axios、mybatis-plus、MySQLa
时间: 2023-12-03 09:05:53 浏览: 41
bs等。
Java是一种广泛使用的编程语言,它的应用领域包括Web应用开发、企业应用开发、移动应用开发等。在Java应用开发中,使用开源平台spring boot、vue、elementui、axios、mybatis-plus、MySQL等技术可以大大提高开发效率和代码质量。
spring boot是一款基于spring框架的快速应用开发框架,它提供了一系列内置机制使得开发者可以方便快速地构建Web应用。
vue是前端框架,能够快速搭建交互式的Web应用。
elementui 是基于vue的一个组件库,提供了大量的UI组件和模板,方便快速搭建Web应用。
axios是基于Promise的HTTP库,可以用于浏览器和Node.js平台上的异步请求操作。
mybatis-plus是mybatis的增强工具,可以提供更为便捷的操作数据库的API。
MySQL是一个开源的关系型数据库,已广泛应用于各种应用场景。
综上所述,使用Java语言开发Web应用或企业应用时,可以结合使用spring boot、vue、elementui、axios、mybatis-plus、MySQL等技术,以提高开发效率和代码质量。
相关问题
基于vue2+element+springboot+mybatis-plus+mysql做一个商城 免费源码
很抱歉,我无法提供具体的免费源码。但是,我可以为你提供一些指导来帮助你搭建基于Vue2、Element、Spring Boot、MyBatis-Plus和MySQL的商城系统。
首先,你可以按照以下步骤进行开发:
1. 设置前端项目:使用Vue CLI创建一个新的Vue项目并安装Element UI库,这将为你提供用户界面组件和样式。
2. 开发前端页面:根据商城的需求,设计和开发前端页面,包括商品列表、购物车、订单等功能。使用Element UI的组件和样式来构建用户友好的界面。
3. 创建后端项目:使用Spring Initializr创建一个新的Spring Boot项目,并添加必要的依赖,如Spring Web、MyBatis-Plus和MySQL驱动程序。
4. 配置数据库:在MySQL中创建一个数据库,并配置Spring Boot应用程序的数据库连接。使用MyBatis-Plus来简化数据库操作,包括数据表映射、CRUD操作等。
5. 开发后端接口:根据商城的需求,设计和开发后端接口,包括商品查询、购物车管理、订单处理等功能。使用Spring Boot的注解来定义RESTful API,并调用MyBatis-Plus进行数据库操作。
6. 前后端交互:通过HTTP请求将前端页面与后端接口连接起来。在Vue项目中使用Axios库来发送和接收数据,并处理响应结果。
7. 测试和部署:对商城系统进行测试,确保功能正常运行。使用适当的工具和平台,将前端和后端部署到生产环境中。
请注意,这只是一个大致的指导,具体的实现细节可能会因项目需求和个人偏好而有所不同。你需要根据自己的情况进行适当的调整和扩展。如果你在具体实现中遇到问题,可以随时向我提问,我会尽力帮助你。
使用springboot+mybatis-plus+vue+element-ui技术编写高校教师评价管理系统的前后端分离代码
很高兴能为您提供这方面的帮助,以下是基本的代码结构和技术选型:
## 后端代码结构
```
├── src
│ ├── main
│ │ ├── java
│ │ │ ├── com
│ │ │ │ ├── example
│ │ │ │ │ ├── config
│ │ │ │ │ │ ├── MybatisPlusConfig.java
│ │ │ │ │ │ ├── WebMvcConfig.java
│ │ │ │ │ ├── controller
│ │ │ │ │ │ ├── TeacherController.java
│ │ │ │ │ ├── dao
│ │ │ │ │ │ ├── TeacherDao.java
│ │ │ │ │ ├── entity
│ │ │ │ │ │ ├── Teacher.java
│ │ │ │ │ ├── service
│ │ │ │ │ │ ├── TeacherService.java
│ │ │ │ │ │ ├── impl
│ │ │ │ │ │ │ ├── TeacherServiceImpl.java
│ │ │ │ │ ├── Application.java
│ │ │ │ ├── common
│ │ │ │ │ ├── Result.java
│ │ │ │ ├── interceptor
│ │ │ │ │ ├── LoginInterceptor.java
│ │ │ │ ├── mapper
│ │ │ │ │ ├── TeacherMapper.java
│ │ │ │ ├── utils
│ │ │ │ │ ├── JwtUtils.java
│ │ ├── resources
│ │ │ ├── application.yml
│ │ │ ├── mapper
│ │ │ │ ├── TeacherMapper.xml
│ │ ├── static
│ │ ├── templates
```
## 技术选型
- 后端技术栈:Spring Boot、Mybatis-Plus、JWT、MySQL
- 前端技术栈:Vue、Element UI、Axios
## 后端代码实现
### 配置文件
在 `application.yml` 中配置数据库和 JWT 相关信息。
```yaml
server:
port: 8080
spring:
datasource:
url: jdbc:mysql://localhost:3306/teacher_evaluation?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone=Asia/Shanghai
username: root
password: 123456
driver-class-name: com.mysql.cj.jdbc.Driver
mybatis-plus:
mapper-locations: classpath:mapper/*.xml
type-aliases-package: com.example.entity
configuration:
map-underscore-to-camel-case: true
jwt:
secret: secret
expire: 3600
```
### 实体类
```java
@Data
public class Teacher {
private Integer id;
private String name;
private Integer age;
private String sex;
private String phone;
private String email;
private String address;
private Integer departmentId;
private Integer status;
}
```
### Mapper 接口
```java
public interface TeacherMapper extends BaseMapper<Teacher> {
}
```
### DAO 层
```java
public interface TeacherDao {
Teacher selectById(Integer id);
List<Teacher> selectList();
int insert(Teacher teacher);
int update(Teacher teacher);
int delete(Integer id);
}
```
### Service 层
```java
public interface TeacherService {
Teacher selectById(Integer id);
List<Teacher> selectList();
boolean save(Teacher teacher);
boolean update(Teacher teacher);
boolean delete(Integer id);
}
```
### Service 实现类
```java
@Service
public class TeacherServiceImpl implements TeacherService {
@Autowired
private TeacherDao teacherDao;
@Override
public Teacher selectById(Integer id) {
return teacherDao.selectById(id);
}
@Override
public List<Teacher> selectList() {
return teacherDao.selectList();
}
@Override
public boolean save(Teacher teacher) {
return teacherDao.insert(teacher) > 0;
}
@Override
public boolean update(Teacher teacher) {
return teacherDao.update(teacher) > 0;
}
@Override
public boolean delete(Integer id) {
return teacherDao.delete(id) > 0;
}
}
```
### Controller 层
```java
@RestController
@RequestMapping("/teacher")
public class TeacherController {
@Autowired
private TeacherService teacherService;
@GetMapping("/list")
public Result list() {
List<Teacher> list = teacherService.selectList();
return Result.success(list);
}
@PostMapping("/save")
public Result save(@RequestBody Teacher teacher) {
boolean result = teacherService.save(teacher);
return result ? Result.success() : Result.fail("添加失败");
}
@PostMapping("/update")
public Result update(@RequestBody Teacher teacher) {
boolean result = teacherService.update(teacher);
return result ? Result.success() : Result.fail("更新失败");
}
@PostMapping("/delete")
public Result delete(@RequestParam Integer id) {
boolean result = teacherService.delete(id);
return result ? Result.success() : Result.fail("删除失败");
}
}
```
### JWT 鉴权
```java
@Component
public class LoginInterceptor implements HandlerInterceptor {
@Autowired
private JwtUtils jwtUtils;
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
String token = request.getHeader("Authorization");
if (token == null || !token.startsWith("Bearer ")) {
throw new RuntimeException("无效的token");
}
token = token.replace("Bearer ", "");
if (!jwtUtils.validateToken(token)) {
throw new RuntimeException("无效的token");
}
return true;
}
}
```
## 前端代码实现
### Axios 请求封装
```js
import axios from 'axios'
import { Message } from 'element-ui'
let instance = axios.create({
baseURL: '/api',
timeout: 5000,
headers: {
'Content-Type': 'application/json;charset=UTF-8'
}
})
instance.interceptors.request.use(config => {
let token = localStorage.getItem('token')
if (token) {
config.headers.Authorization = `Bearer ${token}`
}
return config
}, error => {
return Promise.reject(error)
})
instance.interceptors.response.use(response => {
if (response.status === 200) {
return response.data
} else {
Message.error('请求错误')
}
}, error => {
if (error.response.status === 401) {
Message.error('登录过期')
localStorage.removeItem('token')
window.location.href = '/login'
} else if (error.response.status === 403) {
Message.error('权限不足')
} else if (error.response.status === 500) {
Message.error('服务器错误')
} else {
Message.error('请求错误')
}
return Promise.reject(error)
})
export default instance
```
### Vue 页面
```vue
<template>
<div>
<el-row>
<el-col :span="24"><h2>教师列表</h2></el-col>
</el-row>
<el-row>
<el-col :span="24"><el-button type="primary" @click="add">添加教师</el-button></el-col>
</el-row>
<el-row>
<el-col :span="24">
<el-table :data="tableData" style="width: 100%">
<el-table-column prop="id" label="ID"></el-table-column>
<el-table-column prop="name" label="姓名"></el-table-column>
<el-table-column prop="age" label="年龄"></el-table-column>
<el-table-column prop="sex" label="性别"></el-table-column>
<el-table-column prop="phone" label="电话"></el-table-column>
<el-table-column prop="email" label="邮箱"></el-table-column>
<el-table-column prop="address" label="地址"></el-table-column>
<el-table-column prop="departmentId" label="部门"></el-table-column>
<el-table-column prop="status" label="状态"></el-table-column>
<el-table-column label="操作">
<template slot-scope="scope">
<el-button type="primary" size="mini" @click="edit(scope.row)">编辑</el-button>
<el-button type="danger" size="mini" @click="remove(scope.row)">删除</el-button>
</template>
</el-table-column>
</el-table>
</el-col>
</el-row>
<el-dialog title="添加教师" :visible.sync="addDialogVisible">
<el-form :model="addForm" :rules="addRules" ref="addForm">
<el-form-item label="姓名" prop="name">
<el-input v-model="addForm.name"></el-input>
</el-form-item>
<el-form-item label="年龄" prop="age">
<el-input v-model="addForm.age"></el-input>
</el-form-item>
<el-form-item label="性别" prop="sex">
<el-radio-group v-model="addForm.sex">
<el-radio label="男"></el-radio>
<el-radio label="女"></el-radio>
</el-radio-group>
</el-form-item>
<el-form-item label="电话" prop="phone">
<el-input v-model="addForm.phone"></el-input>
</el-form-item>
<el-form-item label="邮箱" prop="email">
<el-input v-model="addForm.email"></el-input>
</el-form-item>
<el-form-item label="地址" prop="address">
<el-input v-model="addForm.address"></el-input>
</el-form-item>
<el-form-item label="部门" prop="departmentId">
<el-select v-model="addForm.departmentId">
<el-option v-for="item in departmentList" :key="item.value" :label="item.label" :value="item.value"></el-option>
</el-select>
</el-form-item>
</el-form>
<div slot="footer">
<el-button @click="addDialogVisible = false">取消</el-button>
<el-button type="primary" @click="addFormSubmit">添加</el-button>
</div>
</el-dialog>
<el-dialog title="编辑教师" :visible.sync="editDialogVisible">
<el-form :model="editForm" :rules="editRules" ref="editForm">
<el-form-item label="ID" prop="id">
<el-input v-model="editForm.id" disabled></el-input>
</el-form-item>
<el-form-item label="姓名" prop="name">
<el-input v-model="editForm.name"></el-input>
</el-form-item>
<el-form-item label="年龄" prop="age">
<el-input v-model="editForm.age"></el-input>
</el-form-item>
<el-form-item label="性别" prop="sex">
<el-radio-group v-model="editForm.sex">
<el-radio label="男"></el-radio>
<el-radio label="女"></el-radio>
</el-radio-group>
</el-form-item>
<el-form-item label="电话" prop="phone">
<el-input v-model="editForm.phone"></el-input>
</el-form-item>
<el-form-item label="邮箱" prop="email">
<el-input v-model="editForm.email"></el-input>
</el-form-item>
<el-form-item label="地址" prop="address">
<el-input v-model="editForm.address"></el-input>
</el-form-item>
<el-form-item label="部门" prop="departmentId">
<el-select v-model="editForm.departmentId">
<el-option v-for="item in departmentList" :key="item.value" :label="item.label" :value="item.value"></el-option>
</el-select>
</el-form-item>
</el-form>
<div slot="footer">
<el-button @click="editDialogVisible = false">取消</el-button>
<el-button type="primary" @click="editFormSubmit">保存</el-button>
</div>
</el-dialog>
</div>
</template>
<script>
import api from '@/utils/api'
export default {
name: 'TeacherList',
data() {
return {
tableData: [],
addDialogVisible: false,
addForm: {
name: '',
age: '',
sex: '男',
phone: '',
email: '',
address: '',
departmentId: ''
},
addRules: {
name: [
{ required: true, message: '请输入姓名', trigger: 'blur' },
{ min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur' }
],
age: [
{ required: true, message: '请输入年龄', trigger: 'blur' },
{ type: 'number', message: '年龄必须为数字', trigger: 'blur' }
],
sex: [
{ required: true, message: '请选择性别', trigger: 'change' }
],
phone: [
{ required: true, message: '请输入电话', trigger: 'blur' },
{ pattern: /^1[3456789]\d{9}$/, message: '手机号码格式不正确', trigger: 'blur' }
],
email: [
{ required: true, message: '请输入邮箱', trigger: 'blur' },
{ type: 'email', message: '邮箱格式不正确', trigger: 'blur' }
],
address: [
{ required: true, message: '请输入地址', trigger: 'blur' }
],
departmentId: [
{ required: true, message: '请选择所属部门', trigger: 'change' }
]
},
editDialogVisible: false,
editForm: {
id: '',
name: '',
age: '',
sex: '男',
phone: '',
email: '',
address: '',
departmentId: ''
},
editRules: {
name: [
{ required: true, message: '请输入姓名', trigger: 'blur' },
{ min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur' }
],
age: [
{ required: true, message: '请输入年龄', trigger: 'blur' },
{ type: 'number', message: '年龄必须为数字', trigger: 'blur' }
],
sex: [
{ required: true, message: '请选择性别', trigger: 'change' }
],
phone: [
{ required: true, message: '请输入电话', trigger: 'blur' },
{ pattern: /^1[3456789]\d{9}$/, message: '手机号码格式不正确', trigger: 'blur' }
],
email: [
{ required: true, message: '请输入邮箱', trigger: 'blur' },
{ type: 'email', message: '邮箱格式不正确', trigger: 'blur' }
],
address: [
{ required: true, message: '请输入地址', trigger: 'blur' }
],
departmentId: [
{ required: true, message: '请选择所属部门', trigger: 'change' }
]
},
departmentList: [
{ value: 1, label: '计算机科学与技术' },
{ value: 2, label: '信息管理与信息系统' },
{ value: 3, label: '软件工程' }
]
}
},
created() {
this.getList()
},
methods: {
getList() {
api.get('/teacher/list').then(res => {
this.tableData = res.data
})
},
add() {
this.addDialogVisible = true
},
addFormSubmit() {
this.$refs.addForm.validate(valid => {
if (valid) {
api.post('/teacher/save', this.addForm).then(res => {
this.addDialogVisible = false
this.getList()
})
}
})
},
edit(row) {
this.editForm = Object.assign({}, row)
this.editDialogVisible = true
},
editFormSubmit() {
this.$refs.editForm.validate(valid => {
if (valid) {
api.post('/teacher/update', this.editForm).then(res => {
this.editDialogVisible = false
this.getList()
})
}
})
},
remove(row) {
this.$confirm('确定删除?', '提示', {
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning'
}).then(() => {
api.post('/teacher/delete', { id: row.id }).then(res => {
this.getList()
})
})
}
}
}
</script>
```