Eclipse+Maven+SpringMVC+Mybatis+MySql搭建总结
2024-04-10 16:43:46
安装配置Maven省略
新建Maven项目,选择maven-archetype-webapp，填写GroupID和ArtifactID
修改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.zns</groupId><artifactId>myproject</artifactId><packaging>war</packaging><!-- <packaging>jar</packaging> --><version>0.0.1-SNAPSHOT</version><name>myproject Maven Webapp</name><url>http://maven.apache.org</url><properties><spring.version>4.3.5.RELEASE</spring.version></properties><dependencies><!-- 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>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context-support</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aop</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aspects</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-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><scope>test</scope></dependency><!-- mybatis 包 --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.2.8</version></dependency><!--mybatis和spring整合包 --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>1.2.2</version></dependency><!-- mysql连接驱动 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.34</version></dependency><!-- 数据源 c3p0 --><dependency><groupId>com.mchange</groupId><artifactId>c3p0</artifactId><version>0.9.5</version></dependency><dependency><groupId>com.mchange</groupId><artifactId>mchange-commons-java</artifactId><version>0.2.12</version></dependency><!-- jackson --><dependency><groupId>org.codehaus.jackson</groupId><artifactId>jackson-mapper-asl</artifactId><version>1.9.13</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-annotations</artifactId><version>2.5.0</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-core</artifactId><version>2.5.0</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.5.0</version></dependency></dependencies><build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-war-plugin</artifactId><version>2.3</version><configuration><webResources><resource><directory>src/main/webapp</directory></resource></webResources><warName>myproject</warName><outputDirectory>D:\</outputDirectory></configuration></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-jar-plugin</artifactId><configuration><outputDirectory>D:\</outputDirectory></configuration></plugin></plugins></build></project>建好项目结构包
com.zns.controller
com.zns.service
com.zns.mapper
com.zns.domain
在com.zns.mapper下新建xmls文件夹用于存放mapper xml文件
假设数据库有一张用户表 就2个字段 主键 和 账号
新建User类
package com.zns.domain;public class User {private int UserID;private String UserAccount;public int getUserID() {return UserID;}public void setUserID(int userID) {UserID = userID;}public String getUserAccount() {return UserAccount;}public void setUserAccount(String userAccount) {UserAccount = userAccount;}
}新建UserMapper接口
package com.zns.mapper;import com.zns.domain.User;public interface UserMapper {public User getByID(int id);
}新建UserMapper xml文件(在mapperxml包下新建)
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapperPUBLIC "-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.zns.mapper.UserMapper"><select id="getByID" parameterType="int"resultType="com.zns.domain.User">select UserID,UserAccount from users where UserID=#{UserID}</select>
</mapper>新建UserService
package com.zns.service;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zns.domain.User;
import com.zns.mapper.UserMapper;@Service
public class UserService {@Autowiredprivate UserMapper userMapper;public User getByID(int id) {return userMapper.getByID(id);}
}src/main/resources下新建如下结构的配置文件
src/main/resources
mybatis
mybatis-config.xml
spring
spring-context.xml
spring-mvc.xml
spring-mybatis.xml
jdbc.properties
jdbc.properties内容为
jdbc.driver = com.mysql.jdbc.Driver
jdbc.url = jdbc:mysql://localhost:3306/mydb1?useUnicode=true&characterEncoding=utf-8
jdbc.username = root
jdbc.password =123456mybatis-config.xml内容为
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration><!-- 返回resultType为map时，如果数据为空的字段，则该字段会省略不显示， 可以通过添加该配置，返回null --><settings><setting name="callSettersOnNulls" value="true" /></settings> </configuration>
spring-context.xml内容为
<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"><!--自动扫描含有@Service将其注入为bean --> <context:component-scan base-package="com.zns.service" /></beans>
spring-mvc.xml内容为
<?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:mvc="http://www.springframework.org/schema/mvc"xmlns:context="http://www.springframework.org/schema/context"xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd "><!--自动扫描含有@Controller将其注入为bean --><context:component-scan base-package="com.zns.controller"></context:component-scan><!--注解映射器 --><!-- <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/> --><!--注解适配器 --><!-- <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/> --><!-- 使用这个可以代替上边的注解映射器和适配器 --><mvc:annotation-driven></mvc:annotation-driven><!-- 视图解析器 jsp --><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/views" /><property name="suffix" value=".jsp" /> </bean><!-- 静态资源访问 --> <mvc:resources mapping="/**" location="/" /></beans>
spring-mybatis.xml内容为
<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"><!-- 引入外部属性文件 --><context:property-placeholder location="classpath:jdbc.properties" /><!-- 配置c3p0连接池: --><bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"><!-- 指定连接数据库的驱动--> <property name="driverClass" value="${jdbc.driver}"/> <!-- 指定连接数据库的URL--> <property name="jdbcUrl" value="${jdbc.url}"/> <!-- 指定连接数据库的用户名--> <property name="user" value="${jdbc.username}"/> <!-- 指定连接数据库的密码--> <property name="password" value="${jdbc.password}"/> <!-- 指定连接池中保留的最大连接数. Default:15--> <property name="maxPoolSize" value="100"/> <!-- 指定连接池中保留的最小连接数--> <property name="minPoolSize" value="10"/> <!-- 指定连接池的初始化连接数 取值应在minPoolSize 与 maxPoolSize 之间.Default:3--> <property name="initialPoolSize" value="20"/> <!-- 最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。 Default:0--> <property name="maxIdleTime" value="600"/> <!-- 当连接池中的连接耗尽的时候c3p0一次同时获取的连接数. Default:3--> <property name="acquireIncrement" value="5"/> <!-- JDBC的标准,用以控制数据源内加载的PreparedStatements数量。 但由于预缓存的statements属于单个connection而不是整个连接池所以设置这个参数需要考虑到多方面的因数.如果maxStatements与maxStatementsPerConnection均为0,则缓存被关闭。Default:0--> <property name="maxStatements" value="5"/> <!-- 隔多少秒检查所有连接池中的空闲连接.Default:0 --> <property name="idleConnectionTestPeriod" value="60"/></bean><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource" /><!-- 加载mybatis全局配置文件 --><property name="configLocation" value="classpath:mybatis/mybatis-config.xml"></property><!-- mapper xml路径 --> <property name="mapperLocations" value="classpath:com/zns/mapper/xmls/*.xml" /> </bean><!-- 配置mapper扫描器 --><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><!-- 扫描这个包以及它的子包下的所有映射接口类,多个包逗号隔开 --><property name="basePackage" value="com.zns.mapper" /><property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /></bean><!-- 配置Spring的事务管理器 与mabatis整合是用jdbc事务 --><bean id="transactionManager"class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource" /></bean></beans>修改web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app><!-- springmvc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-mvc.xml</param-value></init-param></servlet><servlet-mapping><servlet-name>springmvc</servlet-name><url-pattern>*.action</url-pattern></servlet-mapping><!-- springmvc前端控制器 restful风格 --><servlet><servlet-name>springmvc_rest</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring/spring-mvc.xml</param-value></init-param></servlet><servlet-mapping><servlet-name>springmvc_rest</servlet-name><url-pattern>/</url-pattern></servlet-mapping><!-- 配置Spring的核心监听器 --><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring/spring-context.xml,classpath:spring/spring-mybatis.xml</param-value></context-param><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><filter> <filter-name>characterEncodingFilter</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> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>characterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping></web-app>
在src/main/webapp/WEB-INF下新建views/user/detail.jsp对应目录和文件
detail.jsp内容为
<%@ 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>user detail</title>
</head>
<body>id为： ${userInfo.userID}
</body>
</html>新建UserController
package com.zns.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.zns.domain.User;
import com.zns.service.UserService;@Controller
@RequestMapping("/User")
public class UserController {@Autowiredprivate UserService userService;@RequestMapping("/Detail1")public String Detail1(ModelMap modelMap, int id) throws Exception {User user = userService.getByID(id);modelMap.addAttribute("userInfo", user);return "/user/detail";}@RequestMapping("/Detail2")public @ResponseBody Object Detail2(int id) throws Exception {User user = userService.getByID(id);return user;}
}启动项目访问测试
http://localhost/myproject/User/Detail1?id=10 跳转到jsp页面
http://localhost/myproject/User/Detail2?id=10 返回json数据
基本搭建完毕...
转载于:https://www.cnblogs.com/zengnansheng/p/10385920.html
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