断断续续摸索两周，把环境搭建起来了，在这记录一下

1.项目结构图

image.png

2添加maven依赖

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>cn.com.xie</groupId>
    <artifactId>Spring-SpringMvc-mybatis</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>Spring-SpringMvc-mybatis Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <properties>
        <project.build-sourceEncoding>UTF-8</project.build-sourceEncoding>
        <project.reporting-outputEncoding>UTF-8</project.reporting-outputEncoding>
        <spring.version>4.3.5.RELEASE</spring.version>
        <mybatis.version>3.4.1</mybatis.version>
        <tk.mybatis.mapper.version>3.3.8</tk.mybatis.mapper.version>
        <javaee.version>7.0</javaee.version>
        <net.sf.json>2.4</net.sf.json>
        <mysql.version>5.1.41</mysql.version>
        <pagehelper.varsion>4.1.0</pagehelper.varsion>
        <mybatis.spring.version>1.3.1</mybatis.spring.version>
        <commons-dbcp.version>1.2.2</commons-dbcp.version>
        <aspectj.version>1.8.6</aspectj.version>
        <jackson.version>2.9.0</jackson.version>
        <validator.version>5.2.4.Final</validator.version>
    </properties>

    <dependencies>

        <!--java ee 依赖 -->
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>${javaee.version}</version>
        </dependency>

        <!--json 依赖 -->
        <dependency>
            <groupId>net.sf.json-lib</groupId>
            <artifactId>json-lib</artifactId>
            <classifier>jdk15</classifier>
            <version>${net.sf.json}</version>
        </dependency>


        <!--mysql 数据库 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
            <scope>runtime</scope>
        </dependency>
        <!--数据库连接池 -->
        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>${commons-dbcp.version}</version>
        </dependency>

        <!--mybatis 依赖 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>
        <!--mybatis 分页查询插件 -->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>${pagehelper.varsion}</version>
        </dependency>

        <!--整合mybatis和spring -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>${mybatis.spring.version}</version>
        </dependency>
        <dependency>
            <groupId>tk.mybatis</groupId>
            <artifactId>mapper</artifactId>
            <version>${tk.mybatis.mapper.version}</version>
        </dependency>
        <!--spring 依赖 -->
        <!--底层核心-提供IOC -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>${aspectj.version}</version>
        </dependency>
        <!--单元测试 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>RELEASE</version>
        </dependency>

        <!-- bean validate -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>${validator.version}</version>
        </dependency>
        <!--jackson 依赖 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <!-- log4j日志配置 -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
    </dependencies>
    <build>
        <finalName>spring-springmvc-mybatis</finalName>
        <plugins>
            <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>
</project>

3.配置数据库连接信息jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/ssmtest?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=xgr1234

4.配置web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
    version="3.1">

    <display-name>Archetype Created Web Application</display-name>

    <!--编码过滤器配置 -->
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>


    <!-- 配置springMVC DispatcherServlet 前端控制器 -->
    <servlet>
        <servlet-name>SpringMVC</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/spring-*.xml</param-value>
        </init-param>
        <!--在启动时加载 -->
        <load-on-startup>1</load-on-startup>
        <!--异步 -->
        <async-supported>true</async-supported>
    </servlet>
    <servlet-mapping>
        <servlet-name>SpringMVC</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

   

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>


</web-app>

6.配置spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">

    <!--扫描Controller -->
    <context:component-scan base-package="com.xie.controller" />

    <!--开启springMVC注解模式 -->
    <mvc:annotation-driven />

    <!--静态资源默认servlet配置 -->
    <mvc:default-servlet-handler /> 

    <!--视图配置 -->
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass"
            value="org.springframework.web.servlet.view.JstlView" />
        <property name="prefix" value="/WEB-INF/" />
        <property name="suffix" value=".html" />
    </bean>

</beans>

7.配置mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!--mybatis整合spring的配置 -->

    <!--扫包（service注解） -->
    <context:component-scan base-package="com.xie.service" />

    <!--jdbc链接数据 -->
    <context:property-placeholder location="classpath:jdbc.properties" />

    <!--数据库链接配置 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
    </bean>

    <!--sqlSessionFactory配置 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
        
         <!--扫描mapper对应配置文件 -->
        <property name="mapperLocations" value="classpath:mybatis/mapper/*.xml" /> 
         <!--mybatis-config日志输出-->
        <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
    </bean>

    <!--扫描mapper类型 -->
    <bean class="tk.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
        <!--扫描mapper包 -->
         <property name="basePackage" value="com.xie.dao" />
    </bean>

    <!--配置事务 -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!--注入数据库链接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!--基于注解申明式事务配置 -->
    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

8.配置mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">

<configuration>

    <settings>
        <!-- 打印查询语句 -->
        <setting name="logImpl" value="STDOUT_LOGGING" />
    </settings>

</configuration>

9.mapper数据库映射文件（TestMapper.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.xie.dao.Mapperuser">
    <!--namespace ：指向extends Mapper的dao层  -->
    <!-- 
        参数注解
        id:唯一标识，在service中调取查询的依据
        resultType：查询结果返回的指向
        parameterType:需要传的参数指向的实体
     -->

    <select id="queryTestInfo" resultType="com.xie.entity.Testuser">
        SELECT * FROM user 
    </select>
    
    <!-- 
        参数注解
        parameterType:需要传的参数指向的实体
        由于新增数据返回的是一个布尔类型或者是一个int类型，不需要指定返回指向resultType
     -->
    <insert id="adduser" parameterType="com.xie.entity.Testuser">
        insert into user(ID,username,password,address)
        values(#{id},#{username},#{password},#{address})
    </insert>

</mapper>

10.数据库建表

image.png

11.测试类

Controller

package com.xie.controller;

import java.util.List;

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 com.xie.entity.Testuser;
import com.xie.service.ServiceTest;




/*
 * controller 控制器
 * 
 * */

@Controller
@RequestMapping("api/test")
public class ControllerTest {
    
    @Autowired
    private ServiceTest servicetest;
    
    /*
     * 查询所有用户信息
     * 
     * */
    @RequestMapping("/getUser")
    @ResponseBody
    public List<Testuser> query(){
        List<Testuser> userlist = servicetest.getAllUser();
        return userlist;
    }
    
    /*
     * 添加用户信息
     * 
     * */
    @RequestMapping("/add")
    @ResponseBody
    public boolean add(){
        return  servicetest.addoneuser();
    }
    
    
}

Service

package com.xie.service;

import java.util.List;

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


import com.xie.dao.Mapperuser;
import com.xie.entity.Testuser;





@Service
public class ServiceTest {

    @Autowired
    private Mapperuser mapperuser;
    
    /*查询所有用户信息*/
    
    public List<Testuser> getAllUser(){
        List<Testuser> list = mapperuser.queryTestInfo();
        return list;
    }
    
    /*插入一条数据*/
    
    public boolean addoneuser(){
        /*模拟post提交数据*/
        Testuser user=new Testuser();
        user.setId(4);
        user.setUsername("新增数据");
        user.setPassword("www.123");
        user.setAddress("北京");
        return mapperuser.adduser(user);
    }
    
    
}

Dao

package com.xie.dao;

import java.util.List;

import com.xie.entity.Testuser;

import tk.mybatis.mapper.common.Mapper;

public interface Mapperuser extends Mapper<Testuser> {
    
     /*查询用户信息*/
     List<Testuser> queryTestInfo();
     /*新增用户信息*/
     boolean adduser(Testuser user);
}

entity实体类

package com.xie.entity;

public class Testuser  {
    private Integer id;
    private String username;
    private String password;
    private String address;
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    @Override
    public String toString() {
        return "Testuser [id=" + id + ", username=" + username + ", password=" + password + ", address=" + address
                + "]";
    }
    

    
}

10.测试结果

image.png

image.png

新增数据

image.png