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中文网站建设工具,郑州免费做网站,宿迁房产网宿迁市区房屋出售,建设网站必备条件以往的ssm框架整合通常有两种形式,一种是xml形式,一种是注解形式,不管是xml还是注解,基本都会有一大堆xml标签配置,其中有很多重复性的。springboot带给我们的恰恰是“零配置”,"零配置"不等于什…

以往的ssm框架整合通常有两种形式,一种是xml形式,一种是注解形式,不管是xml还是注解,基本都会有一大堆xml标签配置,其中有很多重复性的。springboot带给我们的恰恰是“零配置”,"零配置"不等于什么也不配置,只是说相对于传统的ssm框架的xml配置或是注解配置,要少的多。作为常规的来说,一个ssm框架整合,拿maven来说,首先在src/main/resource下加入jdbc.properties,spring-mvc.xml,spring-mybatis.xml等,还有要再web.xml配置监听类和前端控制器,同时还要配置对应的加载spring-mvc和spring-mybatis的路径。

而springboot的话,则不需要,只需在一个叫application.properties或者是叫application.yml配置数据源和解析jsp的即可。

参考网址:https://www.ggdoc.com

上述网址有许多参考文档可参考

参考网址:https://projects.spring.io/spring-boot/  该网址为springboot官网,官网虽然是英文的,但是可以通过第三方翻译过来,不过最好的话还是懂点英文。建议学习一门新技术,最好还是参考其官方网址和文档,那里是最详细的,其他什么博客之类的,可以作为参考学习过程中解决问题的利器。学习过程中是不可能不遇到问题的。

最好还是那句话,在不懂该技术之前,可以通过百度百科了解,或者其他博客写个入门实例,不过最好在此以后参考官网

就我个人的看法,必须和最好掌握spring+mybatis+springmvc等相关知识,同时也接触过ssm框架的xml配置和ssm框架的注解配置。这样方便比较学习,同时也有利于深入学习等。

不多说了,下面开始整合实例教程

一、准备环境

window10 jdk8 eclipe maven

二、pom文件

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>cn.springboot</groupId><artifactId>springboot</artifactId><version>0.0.1-SNAPSHOT</version><packaging>war</packaging><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.2.5.RELEASE</version></parent><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><java.version>1.8</java.version></properties><dependencies><!--Spring Boot --><!--支持 Web 应用开发,包含 Tomcat 和 spring-mvc。 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!--支持使用 JDBC 访问数据库 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-jdbc</artifactId></dependency><!--添加适用于生产环境的功能,如性能指标和监测等功能。 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><!--Mybatis --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>1.2.2</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.2.8</version></dependency><!--Mysql / DataSource --><dependency><groupId>org.apache.tomcat</groupId><artifactId>tomcat-jdbc</artifactId></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId></dependency><!--Json Support --><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.1.43</version></dependency><!--Swagger support --><dependency><groupId>com.mangofactory</groupId><artifactId>swagger-springmvc</artifactId><version>0.9.5</version></dependency><!-- 支持jsp start --><dependency><groupId>javax.servlet</groupId><artifactId>jstl</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-tomcat</artifactId><scope>provided</scope></dependency><dependency><groupId>org.apache.tomcat.embed</groupId><artifactId>tomcat-embed-jasper</artifactId><scope>provided</scope></dependency><!-- end --></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><source>1.8</source><target>1.8</target></configuration></plugin></plugins></build><repositories><repository><id>spring-milestone</id><url>https://repo.spring.io/libs-release</url></repository></repositories><pluginRepositories><pluginRepository><id>spring-milestone</id><url>https://repo.spring.io/libs-release</url></pluginRepository>
</pluginRepositories></project>

 三、准备数据库和表

库名为 springbootCREATE TABLE `t_user` (  `id` INT(11) NOT NULL,  `username` VARCHAR(255) DEFAULT NULL,  `password` VARCHAR(255) DEFAULT NULL,  `email` VARCHAR(255) DEFAULT NULL,  `useable` INT(20) DEFAULT NULL,  `addtime` DATETIME DEFAULT NULL,  `logintime` DATETIME DEFAULT NULL,  `loginip` VARCHAR(255) DEFAULT NULL,  PRIMARY KEY  (`id`)  ) ENGINE=INNODB DEFAULT CHARSET=utf8;  

四、在src/main/resource下新建application.properties文件

spring.datasource.url=jdbc:mysql://localhost:3306/springboot?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull
spring.datasource.username=root
spring.datasource.password=1234
spring.datasource.driver-class-name=com.mysql.jdbc.Driverspring.view.prefix=/WEB-INF/templates/
spring.view.suffix=.jsp

 

五、建立实体类和对应的mapper接口相关

1.建立实体

    package com.sam.project.mvc.model;  /**  * @ClassName: User  * @Description: 实体模型  */  public class User {  private Integer id;  private String username;  private String password;  private String email;  /**  * 是否可用(0禁用,1可用)  */  private Integer useable;  /**  * 创建时间  */  private String addtime;  /**  * 登陆时间  */  private String logintime;  /**  * 登陆IP  */  private String loginip;  /**  * @return id  */  public Integer getId() {  return id;  }  /**  * @param id  */  public void setId(Integer id) {  this.id = id;  }  /**  * @return username  */  public String getUsername() {  return username;  }  /**  * @param username  */  public void setUsername(String username) {  this.username = username;  }  /**  * @return password  */  public String getPassword() {  return password;  }  /**  * @param password  */  public void setPassword(String password) {  this.password = password;  }  /**  * @return email  */  public String getEmail() {  return email;  }  /**  * @param email  */  public void setEmail(String email) {  this.email = email;  }  /**  * 获取是否可用(0禁用,1可用)  *  * @return useable - 是否可用(0禁用,1可用)  */  public Integer getUseable() {  return useable;  }  /**  * 设置是否可用(0禁用,1可用)  *  * @param useable  *            是否可用(0禁用,1可用)  */  public void setUseable(Integer useable) {  this.useable = useable;  }  /**  * 获取创建时间  *  * @return addtime - 创建时间  */  public String getAddtime() {  return addtime;  }  /**  * 设置创建时间  *  * @param addtime  *            创建时间  */  public void setAddtime(String addtime) {  this.addtime = addtime;  }  /**  * 获取登陆时间  *  * @return logintime - 登陆时间  */  public String getLogintime() {  return logintime;  }  /**  * 设置登陆时间  *  * @param logintime  *            登陆时间  */  public void setLogintime(String logintime) {  this.logintime = logintime;  }  /**  * 获取登陆IP  *  * @return loginip - 登陆IP  */  public String getLoginip() {  return loginip;  }  /**  * 设置登陆IP  *  * @param loginip  *            登陆IP  */  public void setLoginip(String loginip) {  this.loginip = loginip;  }  }  

2.建立对应的mapper接口

package com.sam.project.mvc.mapper;  import java.util.List;  import com.sam.project.mvc.model.User;  /**  * @ClassName: UserMapper   * @Description: mybites数据查询接口  */  
public interface UserMapper {  List<User> queryList();  void save(User user);  void batchDelete(Integer[] ids);  void update(User user);  } 

3.建立mapper对应的xml文件

在src/main/resource下新建mapper文件夹

在该文件下下新建UserMapper.xml

<?xml version="1.0" encoding="UTF-8"?>  
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"   "http://mybatis.org/dtd/mybatis-3-mapper.dtd">  <mapper namespace="com.sam.project.mvc.mapper.UserMapper">  <select id="queryList" resultType="com.sam.project.mvc.model.User">  SELECT u.id, u.username, u.password, u.email, u.useable, u.addtime, u.logintime, u.loginip FROM t_user u  </select>  <select id="queryById" resultType="com.sam.project.mvc.model.User">  SELECT u.id, u.username, u.password, u.email, u.useable, u.addtime, u.logintime, u.loginip FROM t_user u where u.id = #{id}  </select>  <insert id="save">  insert into t_user(username, password, email, useable, addtime)  values(#{username}, #{password}, #{email}, #{useable}, now())  </insert>  <update id="update">  update t_user set password = #{password}, email = #{email}, useable = #{useable} where id = #{id}  </update>  <delete id="batchDelete">  delete from t_user where id in  <foreach collection="array" item="item" open="(" separator="," close=")">  #{item}  </foreach>  </delete>  <!-- <delete id="delUsers">  delete from t_user where id in  <foreach collection="list" item="item" open="(" separator="," close=")">  #{item}  </foreach>  </delete> -->  </mapper>  

 

六、建立业务接口和对应的Controller及其相关返回json数据工具类

1.UserService业务接口

package com.sam.project.mvc.service;  import java.util.List;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import com.sam.project.mvc.common.AjaxResult;
import com.sam.project.mvc.mapper.UserMapper;
import com.sam.project.mvc.model.User;  @Service  public class UserService {  @Autowired  private UserMapper userMapper;  public AjaxResult queryList() {  List<User> list = userMapper.queryList();  return new AjaxResult(list);  }  public AjaxResult save(User user) {  user.setUsername("user" + System.currentTimeMillis());  user.setPassword("123456");  user.setEmail("user" + System.currentTimeMillis());  user.setUseable(1);  userMapper.save(user);  return new AjaxResult();  }  public AjaxResult batchDelete(Integer[] ids) {  userMapper.batchDelete(ids);  return new AjaxResult();  }  public AjaxResult update(User user) {  userMapper.update(user);  return new AjaxResult();  }  }  

 

2.controller

    package com.sam.project.mvc.controller;  import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;import com.sam.project.mvc.common.AjaxResult;
import com.sam.project.mvc.model.User;
import com.sam.project.mvc.service.UserService;  /**  * @ClassName: UserController   * @Description: 用户Controller  */  @Controller  public class UserController {  @Autowired  private UserService userService;  @ResponseBody  @RequestMapping("/queryList")  public AjaxResult queryList(){  return userService.queryList();  }  @ResponseBody  @RequestMapping("/addUser")  public AjaxResult addUser(User user){  return userService.save(user);  }  @ResponseBody  @RequestMapping("/delUser")   public AjaxResult delUser(Integer[] ids){  return userService.batchDelete(ids);  }  @ResponseBody  @RequestMapping("/updateUser")  public AjaxResult updateUser(User user){  return userService.update(user);  }  @RequestMapping("/hello")public String hello(ModelMap map) {map.put("title", "你好");return "index";}}  

3.工具类

    package com.sam.project.mvc.common;  /**  * @ClassName: AjaxResult   * @Description: 封装返回数据  */  public class AjaxResult {  private int retcode = 1;  private String retmsg = "操作成功";  private Object data;  public AjaxResult(int retcode, String retmsg, Object data){  this.retcode = retcode;  this.retmsg = retmsg;  this.data = data;  }  public AjaxResult(int retcode, String retmsg){  this.retcode = retcode;  this.retmsg = retmsg;  }  public AjaxResult(Object data){  this.retmsg = "查询成功";  this.data = data;  }  public AjaxResult(int retcode){  this.retcode = retcode;  this.retmsg = "操作失败";  }  public AjaxResult(String retmsg){  this.retcode = 0;  this.retmsg = retmsg;  }  public AjaxResult(){  }  public int getRetcode() {  return retcode;  }  public void setRetcode(int retcode) {  this.retcode = retcode;  }  public String getRetmsg() {  return retmsg;  }  public void setRetmsg(String retmsg) {  this.retmsg = retmsg;  }  public Object getData() {  return data;  }  public void setData(Object data) {  this.data = data;  }  @Override  public String toString() {  return "AjaxResult [retcode=" + retcode + ", retmsg=" + retmsg + ", data=" + data + "]";  }  }  

七、springboot启动类

package com.sam.project.mvc;import javax.sql.DataSource;import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.log4j.Logger;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.web.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;@EnableAutoConfiguration
@SpringBootApplication
@ComponentScan
@MapperScan("com.sam.project.mvc.mapper")
public class Application extends SpringBootServletInitializer {private static Logger logger = Logger.getLogger(Application.class);//DataSource配置
    @Bean@ConfigurationProperties(prefix="spring.datasource")public DataSource dataSource() {return new org.apache.tomcat.jdbc.pool.DataSource();}//提供SqlSeesion
    @Beanpublic SqlSessionFactory sqlSessionFactoryBean() throws Exception {SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();sqlSessionFactoryBean.setDataSource(dataSource());PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:/mapper/*.xml"));return sqlSessionFactoryBean.getObject();}@Beanpublic PlatformTransactionManager transactionManager() {return new DataSourceTransactionManager(dataSource());}@Overrideprotected SpringApplicationBuilder configure(SpringApplicationBuilder application) {return application.sources(Application.class);}/*** Main Start*/public static void main(String[] args) {SpringApplication.run(Application.class, args);logger.info("============= SpringBoot Start Success =============");}}

 

八、在WEB-INF下新建templates文件夹并在该文件夹下新建index.jsp文件

<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>你好</title>
</head>
<body>
${title }
</body>
</html>

九、启动Application类

启动成功,控制台会显示如下内容

 

十、在浏览器输入localhost:8080/hello

 

 上述就是springboot+springmvc+mybatis整合实例

转载于:https://www.cnblogs.com/youcong/p/8644216.html

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