在当今的Web开发中,jq load jsp是一种非常实用的技术,它可以帮助我们轻松实现前后端的数据交互。本文将带领大家通过一个实例,详细了解如何使用jq load jsp技术,实现页面内容的动态加载。

1. 环境准备

在开始之前,我们需要准备以下环境:

jqloadjsp实例轻松实现前后端数据交互  第1张

环境版本
JDK1.8及以上
Tomcat9.0及以上
MySQL5.7及以上
IDEIntelliJIDEA或Eclipse

2. 创建项目

1. 打开IDE,创建一个Maven项目。

2. 在pom.xml文件中添加以下依赖:

```xml

org.springframework.boot

spring-boot-starter-web

org.springframework.boot

spring-boot-starter-thymeleaf

org.springframework.boot

spring-boot-starter-data-jpa

org.mybatis.spring.boot

mybatis-spring-boot-starter

2.1.4

org.mybatis.generator

mybatis-generator-core

1.3.7

com.github.pagehelper

pagehelper-spring-boot-starter

1.2.12

org.springframework.boot

spring-boot-starter-tomcat

provided

```

3. 配置application.properties文件,设置数据库连接信息:

```properties

spring.datasource.url=jdbc:mysql://*:3306/your_database?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC

spring.datasource.username=root

spring.datasource.password=root

spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

```

4. 创建实体类(User.java):

```java

package com.example.demo.entity;

import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.GenerationType;

import javax.persistence.Id;

@Entity

public class User {

@Id

@GeneratedValue(strategy = GenerationType.IDENTITY)

private Long id;

private String name;

private String email;

// 省略getter和setter方法

}

```

5. 创建Mapper接口(UserMapper.java):

```java

package com.example.demo.mapper;

import com.example.demo.entity.User;

import org.apache.ibatis.annotations.Mapper;

import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper

public interface UserMapper {

List findAll();

}

```

6. 创建Service接口(UserService.java):

```java

package com.example.demo.service;

import com.example.demo.entity.User;

import java.util.List;

public interface UserService {

List findAll();

}

```

7. 创建Service实现类(UserServiceImpl.java):

```java

package com.example.demo.service.impl;

import com.example.demo.entity.User;

import com.example.demo.mapper.UserMapper;

import com.example.demo.service.UserService;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import java.util.List;

@Service

public class UserServiceImpl implements UserService {

@Autowired

private UserMapper userMapper;

@Override

public List findAll() {

return userMapper.findAll();

}

}

```

8. 创建Controller类(UserController.java):

```java

package com.example.demo.controller;

import com.example.demo.entity.User;

import com.example.demo.service.UserService;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.GetMapping;

import java.util.List;

@Controller

public class UserController {

@Autowired

private UserService userService;

@GetMapping("