项目笔记: 使用intellij idea搭建MAVEN+SSM(Spring+SpringMVC+MyBatis)框架

Posted 2021-04-30 曹辰的思考笔记

        这篇文章主要为大家详细介绍:

        使用IDEA配置Maven搭建开发框架SSM步骤，

        具有一定的参考价值，感兴趣的小伙伴们可以参考一下.

        PS: 搭建个SSM框架居然花费了我好长时间！特此记录！

---------------------------------------2017年11月4日01:13:23

 

需要准备的环境：

　　idea 2017.3

　　jdk1.7

　　Maven 3.0.9

　　  请提前将idea与Maven、jdk配置好，本次项目用的都是比较新的

         注：笔者之前都没试过用maven来管理过项目，但是手动找包导包确实不方便，于是今天用2017版的IDEA进行了maven管理项目尝试。

 

搭建步骤如下：

 

一、首先使用idea新建一个Maven webapp项目

　　

　　

　　

　　

　　点击Finish，第一次搭建可能会很慢，甚至可能需要VPN才能搭建成功

 

 

二、搭建目录结构

　　

　　我这里列出的是搭建完了之后所有的目录和文件，诸位先把目录文件建起来，然后我在给出文件内容

　　

　　这里的目录建好之后还需要设置一下，让idea识别目录作用，选择File-Project Structure

　　

　　设置完成后ok

 

三、配置文件内容

 

pom.xml

 

<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>com.chatRobot</groupId>
    <artifactId>ChatRobot</artifactId>
    <packaging>war</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>ChatRobot Maven Webapp</name>
    <url>http://maven.apache.org</url>

    <properties>
        <!-- 设置项目编码编码 -->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <!-- spring版本号 -->
        <spring.version>4.3.5.RELEASE</spring.version>
        <!-- mybatis版本号 -->
        <mybatis.version>3.4.1</mybatis.version>
    </properties>

    <dependencies>

        <!-- java ee -->
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>7.0</version>
        </dependency>

        <!-- 单元测试 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>

        <!-- 实现slf4j接口并整合 -->
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.2.2</version>
        </dependency>

        <!-- JSON -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.7</version>
        </dependency>


        <!-- 数据库 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.41</version>
            <scope>runtime</scope>
        </dependency>

        <!-- 数据库连接池 -->
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>

        <!-- MyBatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>

        <!-- mybatis/spring整合包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>

        <!-- Spring -->
        <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-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-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>

    </dependencies>

    <build>
        <finalName>ChatRobot</finalName>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <!-- 设置JDK版本 -->
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build></project>

 

 注意右下角更新pom

 

logback.xml

<?xml version="1.0" encoding="UTF-8"?><configuration debug="true">
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>
    <root level="debug">
        <appender-ref ref="STDOUT"/>
    </root></configuration>

这里可以控制输出格式和内容，有兴趣的可以自己设置

 

jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
#数据库地址
jdbc.url=jdbc:mysql://xxxxxxxxx:3306/ChatRobot?useUnicode=true&characterEncoding=utf8#用户名
jdbc.username=xxxx
#密码
jdbc.password=xxxxx
#最大连接数
c3p0.maxPoolSize=30#最小连接数
c3p0.minPoolSize=10#关闭连接后不自动commit
c3p0.autoCommitOnClose=false#获取连接超时时间
c3p0.checkoutTimeout=10000#当获取连接失败重试次数
c3p0.acquireRetryAttempts=2

 

spring-mybatis.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:tx="http://www.springframework.org/schema/tx"
       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">

    <!-- 扫描service包下所有使用注解的类型 -->
    <context:component-scan base-package="com.chatRobot.service"/>

    <!-- 配置数据库相关参数properties的属性：${url} -->
    <context:property-placeholder location="classpath:jdbc.properties"/>

    <!-- 数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="maxPoolSize" value="${c3p0.maxPoolSize}"/>
        <property name="minPoolSize" value="${c3p0.minPoolSize}"/>
        <property name="autoCommitOnClose" value="${c3p0.autoCommitOnClose}"/>
        <property name="checkoutTimeout" value="${c3p0.checkoutTimeout}"/>
        <property name="acquireRetryAttempts" value="${c3p0.acquireRetryAttempts}"/>
    </bean>

    <!-- 配置SqlSessionFactory对象 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 扫描model包 使用别名 -->
        <property name="typeAliasesPackage" value="com.chatRobot.model"/>
        <!-- 扫描sql配置文件:mapper需要的xml文件 -->
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!-- 配置扫描Dao接口包，动态实现Dao接口，注入到spring容器中 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!-- 给出需要扫描Dao接口包 -->
        <property name="basePackage" value="com.chatRobot.dao"/>
    </bean>

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

    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager"/></beans>

 

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web相关的bean -->
    <context:component-scan base-package="com.chatRobot.controller"/>

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

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

    <!-- 配置jsp 显示ViewResolver -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/WEB-INF/views/"/>
        <property name="suffix" value=".jsp"/>
    </bean></beans>

 

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>ChatRobot</display-name>
    <description>ChatRobot_Alpha_0.0.1</description>

    <!-- 编码过滤器 -->
    <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DispatcherServlet -->
    <servlet>
        <servlet-name>SpringMVC</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- 配置springMVC需要加载的配置文件-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-*.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
        <async-supported>true</async-supported>
    </servlet>
    <servlet-mapping>
        <servlet-name>SpringMVC</servlet-name>
        <!-- 匹配所有请求，此处也可以配置成 *.do 形式 -->
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
    </welcome-file-list></web-app>

到这里基本上环境就搭建完成了，下面开始测试

 

四、测试

 

先导入一份数据库测试文件

CREATE TABLE `user` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户ID',
  `email` varchar(255) NOT NULL COMMENT '用户邮箱',
  `password` varchar(255) NOT NULL COMMENT '用户密码',
  `username` varchar(255) NOT NULL COMMENT '用户昵称',
  `role` varchar(255) NOT NULL COMMENT '用户身份',
  `status` int(1) NOT NULL COMMENT '用户状态',
  `regTime` datetime NOT NULL COMMENT '注册时间',
  `regIp` varchar(255) NOT NULL COMMENT '注册IP',  PRIMARY KEY (`id`),  UNIQUE KEY `email` (`email`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;INSERT INTO `user` VALUES ('1', 'xxx', 'xxxxx', 'xxxxx', 'root', '0', '2017-03-28 09:40:31', '127.0.0.1');SET FOREIGN_KEY_CHECKS=1;

 

接下来配置类

 

UserController

package com.chatRobot.controller;import javax.servlet.http.HttpServletRequest;import com.chatRobot.model.User;import com.chatRobot.service.IUserService;import com.fasterxml.jackson.databind.ObjectMapper;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import javax.annotation.Resource;import javax.servlet.http.HttpServletResponse;import java.io.IOException;

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

    @Resource    private IUserService userService;

    @RequestMapping("/showUser.do")    public void selectUser(HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");        long userId = Long.parseLong(request.getParameter("id"));
        User user = this.userService.selectUser(userId);
        ObjectMapper mapper = new ObjectMapper();
        response.getWriter().write(mapper.writeValueAsString(user));
        response.getWriter().close();
    }

}

 

IUserDao

package com.chatRobot.dao;import com.chatRobot.model.User;public interface IUserDao {

    User selectUser(long id);

}

 

User

package com.chatRobot.model;import java.util.Date;public class User {    private long id;    private String email;    private String password;    private String username;    private String role;    private int status;    private Date regTime;    private String regIp;    public long getId() {        return id;
    }    public void setId(int id) {        this.id = id;
    }    public String getEmail() {        return email;
    }    public void setEmail(String email) {        this.email = email;
    }    public String getPassword() {        return password;
    }    public void setPassword(String password) {        this.password = password;
    }    public String getUsername() {        return username;
    }    public void setUsername(String username) {        this.username = username;
    }    public String getRole() {        return role;
    }    public void setRole(String role) {        this.role = role;
    }    public int getStatus() {        return status;
    }    public void setStatus(int status) {        this.status = status;
    }    public Date getRegTime() {        return regTime;
    }    public void setRegTime(Date regTime) {        this.regTime = regTime;
    }    public String getRegIp() {        return regIp;
    }    public void setRegIp(String regIp) {        this.regIp = regIp;
    }

}

 

IUserService

package com.chatRobot.service;import com.chatRobot.model.User;public interface IUserService {    public User selectUser(long userId);

}

 

UserServiceImpl

package com.chatRobot.service.impl;import com.chatRobot.dao.IUserDao;import com.chatRobot.model.User;import com.chatRobot.service.IUserService;import org.springframework.stereotype.Service;import javax.annotation.Resource;

@Service("userService")public class UserServiceImpl implements IUserService {

    @Resource    private IUserDao userDao;    public User selectUser(long userId) {        return this.userDao.selectUser(userId);
    }

}

 

UserDao.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"><!-- 设置为IUserDao接口方法提供sql语句配置 --><mapper namespace="com.chatRobot.dao.IUserDao">

    <select id="selectUser" resultType="User" parameterType="long">
        SELECT * FROM user WHERE id = #{id}    </select></mapper>

 

然后新建个测试类，来测试mybatis

IUserDaoTest

package com.chatRobot.dao;import com.chatRobot.model.User;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;// 加载spring配置文件@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({"classpath:spring-mybatis.xml"})public class IUserDaoTest {

    @Autowired    private IUserDao dao;

    @Test    public void testSelectUser() throws Exception {        long id = 1;
        User user = dao.selectUser(id);
        System.out.println(user.getUsername());
    }

}

 

运行后结果应该是会在控制台输出id为1的用户名，没成功的话就找BUG去吧...

 

继续新建个页面来测试springmvc和mybatis

index.html

<!DOCTYPE html><html><head>
    <meta charset="UTF-8">
    <title>test</title></head><script>
    function selectUser() {        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function () {            if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                document.getElementById("test").innerHTML = xmlhttp.responseText;
            }
        }
        xmlhttp.open("POST", "user/showUser.do", true);
        xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        xmlhttp.send("id=1");
    }</script><body><p id="test">Hello World!</p><button type="button" onclick="selectUser()">onclick test</button></body></html>

 

新建完成后配置项目运行环境，点击Run-Edit Configurations...

点击加号新建运行环境，选择Tomcat Server-Local

选中新建好的服务器，右边选择Deployment,点击加号-Atifact...

选择第二项

然后在右边Application context配置你的项目名

 

最后运行项目，在打开的页面中点击按钮测试，成功的话会在页面上显示id为1的用户信息