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最新版的SSM框架spring5.0搭建教程(附源码)
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<p>用SSM框架已經有一段時間了,但都沒有完整地搭建過一次工程。前段時間比較有時間就自己試著搭建了一下,差不多都是用的最新的spring版本了,然后就在這個基礎上做了很多的實驗測試。最近想著還是記錄一下整個搭建的過程,以便于自己日后參考。所以就重新翻新了一下,為了寫得盡可能地詳細點所以內容有點多。</p>
GitHub的源碼地址:SSMDemo GitHub源碼
我是用的idea這個軟件搭建的,我也一直使用的這個軟件,非常好用,很適合做Java的朋友。
1.創建一個maven的web工程。
為了方便我盡可能地上截圖了。
創建maven的web工程
項目名稱
配置maven
上面的操作就完成了創建工程的基本操作了。
2.創建工程的包結構
創建好各層的測試類和常規的配置文件
整個工程的包結構就創建完成了。
3.導包,這是非常重要的一步,需要將我們使用的spring、springMVC和MyBatis的相關包都導進來,直接使用maven依賴。
直接上pom.xml的源碼:
<?xml version="1.0" encoding="UTF-8"?> <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>com.viking.SSDemo</groupId> <artifactId>SSMDemo</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>SSMDemo Maven Webapp</name> <url>http://www.example.com</url> <properties> <spring.version>5.0.0.RELEASE</spring.version> <mybatis.version>3.4.5</mybatis.version> <slf4j.version>1.7.25</slf4j.version> <log4j.version>1.2.17</log4j.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</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-oxm</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-jdbc</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-aop</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-test</artifactId> <version>${spring.version}</version> <scope>test</scope> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>4.1.6</version> </dependency> <dependency> <groupId>tk.mybatis</groupId> <artifactId>mapper</artifactId> <version>3.3.8</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>javax</groupId> <artifactId>javaee-api</artifactId> <version>8.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.39</version> </dependency> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.4</version> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.42</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.3</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.6</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.11</version> </dependency> </dependencies> <build> <finalName>SSMDemo</finalName> <pluginManagement> <plugins> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>3.0.0</version> </plugin> <plugin> <artifactId>maven-resources-plugin</artifactId> <version>3.0.2</version> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.7.0</version> </plugin> <plugin> <artifactId>maven-surefire-plugin</artifactId> <version>2.20.1</version> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>3.2.0</version> </plugin> <plugin> <artifactId>maven-install-plugin</artifactId> <version>2.5.2</version> </plugin> <plugin> <artifactId>maven-deploy-plugin</artifactId> <version>2.8.2</version> </plugin> </plugins> </pluginManagement> </build></project>
然后等待idea自動下載一堆jar的包,如果沒有自動下載的可以點這里:
所有的包下載完成后控制臺會有提示的。
*4.配置spring、spring和MyBatis的整合配置文件,最重要的一步也是最麻煩的一步同樣也是最難的一步。不過不要怕,我們一步一步慢慢來。
這里內容有點多,就不多說啥了,直接粘代碼,需要的復制過去就OK了。
spring-mybatis.xml文件源碼:
<?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"> <context:property-placeholder location="classpath:config/jdbc.properties"/> <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.user}"/> <property name="password" value="${jdbc.password}"/> </bean> <bean id="SqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <property name="typeAliasesPackage" value="com.**.model"/> <property name="mapperLocations" value="classpath*:mapper/UserMapper.xml"/> </bean> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.**.mapper"/> <property name="sqlSessionFactoryBeanName" > <idref bean="SqlSessionFactory"/> </property> </bean> <context:component-scan base-package="com.**.service"/> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <tx:annotation-driven transaction-manager="transactionManager"/></beans>
spring-mvc.xml源碼:
<?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.xsd"> <context:annotation-config/> <mvc:annotation-driven> <mvc:message-converters register-defaults="true"> <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>application/json;charset=UTF-8</value> </list> </property> <property name="features"> <list> <value>WriteDateUseDateFormat</value> <value>QuoteFieldNames</value> </list> </property> </bean> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> <property name="supportedMediaTypes"> <list><value>text/html;charset=UTF-8</value></list> </property> </bean> </mvc:message-converters> </mvc:annotation-driven> <context:component-scan base-package="com.ssm.controller"> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> </bean> <mvc:resources mapping="/lib/**" location="/lib"/> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="defaultEncoding" value="utf-8"/> <property name="maxUploadSize" value="10485760000"/> <property name="maxInMemorySize" value="40960"/> </bean> </beans>
web.xml文件也是需要配置的,源碼如下:
<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <display-name>Archetype Created Web Application</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/config/spring-mybatis.xml</param-value> </context-param> <context-param> <param-name>log4jConfigLocation</param-name> <param-value>classpath:config/log4j.properties</param-value> </context-param> <context-param> <param-name>log4jRefreshInterval</param-name> <param-value>60000</param-value> </context-param> <filter> <filter-name>SpringEncodingFilter</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>SpringEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <listener> <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class> </listener> <servlet> <servlet-name>spring</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:config/spring-mvc.xml </param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>spring</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>
log4j相信大家都不陌生,在項目中我們常常會用到日志,因此非常有必要配置一下日志信息。
log4j.properties源碼如下:
log4j.rootLogger = DEBUG,Console,File log4j.appender.Console = org.apache.log4j.ConsoleAppender#log4j.appender.Console.Target = System.out log4j.appender.Console.layout = org.apache.log4j.PatternLayoutlog4j.appender.Console.layout.ConversionPattern = %5p %d %C: %m%n #每天打印一個日志文件log4j.appender.File = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.File.File=E:/logs/SSMDemo.loglog4j.appender.File.Encoding=UTF-8#打印所有級別的日志信息log4j.appender.File.Threshold = ALLlog4j.appender.File.layout = org.apache.log4j.PatternLayoutlog4j.appender.File.layout.ConversionPattern =%d{ABSOLUTE} %5p %c{1}\:%L - %m%n log4j.logger.com.opensymphony=ERRORlog4j.logger.org.springframework=ERROR log4j.logger.org.apache=INFOlog4j.logger.java.sql.Connection=INFOlog4j.logger.java.sql.PreparedStatement=INFOlog4j.logger.java.sql.ResultSet=INFOlog4j.logger.java.sql.Statement=INFO
jdbc也是必不可少的一部分,畢竟數據都是來源于數據庫的嘛。
jdbc.properties源碼如下:
#開發環境jdbc.driver=com.mysql.jdbc.Driverjdbc.url=jdbc:mysql://localhost:3306/mydatabase_testjdbc.user=your usernamejdbc.password=your password
到這里我們的配置文件就算說完了(當然這是最基礎的需要,SSM的功能十分強大,還可以嵌入很多很多的功能...)
5.依葫蘆畫瓢,編寫各層的功能類即可,controller層主要寫http請求的接口方法,service主要寫各種業務操作算法等,mapper層也可以稱為dao層(我的習慣是寫成mapper層)主要是寫映射到數據庫的方法接口,**Mapper.xml文件主要是寫mapper層中的接口功能的SQL語句實現。這樣的分層管理應該可以兼容各種大大小小的項目了。
下面也貼上我的工程中各層的測試代碼。
model實體類:
package com.ssm.model; public class User { private int id; private String name; private int age; private String sex; public User() {} public int getId() { return id;} public void setId(int id) { this.id = id;} public String getName() { return name;} public void setName(String name) { this.name = name;} public int getAge() { return age;} public void setAge(int age) { this.age = age;} public String getSex() { return sex;} public void setSex(String sex) { this.sex = sex;} @Override public String toString() { return "User{" + "id=" + id + ", name='" + name + '\'' + ", age=" + age + ", sex='" + sex + '\'' + '}';}}
?
controller層:
?
package com.ssm.controller; import com.ssm.model.User;import com.ssm.service.UserService;import org.apache.log4j.Logger;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.bind.annotation.RestController; import java.util.List; @RestController@RequestMapping("user")public class UserController { @Autowired private UserService userService;Logger log = Logger.getLogger(UserController.class); @RequestMapping("select") @ResponseBody public Object userTest(int id){System.out.println("測試成功~~"+id);List<User> user = userService.getUser(id);System.out.println(user.toString());log.info(user); return user;} @RequestMapping("addUser") public Object insertUser(int id,String name,int age,String sex){userService.insertUser(id,name,age,sex); return "OK";} @RequestMapping("selectAll") public Object selectAll(){ return userService.selectAll();} @RequestMapping("update") public Object update(){ return userService.update();} }
service層(service層一般都是比較復雜的,因此我習慣分成接口和實現類兩部分)接口:
package com.ssm.service; import com.ssm.model.User; import java.util.List;public interface UserService { List<User> getUser(int id); void insertUser(int id, String name, int age, String sex); List<User> selectAll(); Object update();}
service層實現類:
package com.ssm.service.impl; import com.ssm.mapper.UserMapper;import com.ssm.model.User;import com.ssm.service.UserService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service; import java.util.HashMap;import java.util.List;import java.util.Map; @Servicepublic class UserServiceImpl implements UserService { @Autowired private UserMapper userMapper; public List<User> getUser(int id) {Map map = new HashMap();map.put("id",id); return userMapper.getUser(map);} public void insertUser(int id, String name, int age, String sex) {Map param = new HashMap();param.put("id",id);param.put("name",name);param.put("age",age);param.put("sex",sex);userMapper.insertUser(param);} public List<User> selectAll() { return userMapper.selectAll();} public Object update() {Map param = new HashMap();param.put("total",10);param.put("name","測試一");userMapper.update(param); return "OK";}}
mapper層(dao層)接口:
package com.ssm.mapper; import com.ssm.model.User;import org.apache.ibatis.annotations.Param; import java.util.List;import java.util.Map;public interface UserMapper { List<User> getUser(@Param("param") Map map); void insertUser(@Param("param") Map param); List<User> selectAll(); void update(@Param("param") Map param);}
**Mapper.xml MaBatsis映射文件配置文件,相當于mapper層接口的實現類了:
<?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.ssm.mapper.UserMapper"> <select id="getUser" parameterType="java.util.Map" resultType="com.ssm.model.User">SELECT *FROM userwhere id =#{param.id} </select> <insert id="insertUser" parameterType="java.util.Map">INSERT INTO user (id,name,age,sex) values(#{param.id},#{param.name},#{param.age},#{param.sex}) </insert> <select id="selectAll" resultType="com.ssm.model.User">SELECT * FROM USER </select> <update id="update" parameterType="java.util.Map">UPDATE USER SET id=id-#{param.total},age=age+#{param.total}WHERE name=#{param.name} </update></mapper>
為了方便大家拷下代碼后可以直接啟動,我把數據庫的sql語句和數據也貼上,我用的是mysql數據庫:
SET FOREIGN_KEY_CHECKS=0; DROP TABLE IF EXISTS `user`;CREATE TABLE `user` ( `id` int(11) NOT NULL, `name` varchar(20) DEFAULT NULL, `age` int(11) DEFAULT NULL, `sex` varchar(10) DEFAULT NULL,PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO `user` VALUES ('2', '測試二', '22', '男');INSERT INTO `user` VALUES ('3', '小二郎', '18', '男');INSERT INTO `user` VALUES ('4', '二郎', '18', '男');INSERT INTO `user` VALUES ('5', '馬英', '26', '女');INSERT INTO `user` VALUES ('6', '王尼瑪', '30', '男');INSERT INTO `user` VALUES ('7', '張三瘋', '109', '男');INSERT INTO `user` VALUES ('8', '歐陽翻天', '76', '女');INSERT INTO `user` VALUES ('9', '上官', '16', '女');INSERT INTO `user` VALUES ('10', '李響', '30', '男');INSERT INTO `user` VALUES ('11', '測試一', '0', '女');
我本地的數據庫表結構截圖:
到這里就完全結束了,整個工程就可以直接運行了。
6.順帶提一下在idea中配置tomcat的過程(懂的朋友可以直接忽略~)
配置好了之后再將tomcat添加到server中:
好了~tomcat的配置也完成了。
7.下面貼上我的本機運行效果圖:
tomcat成功啟動:
通過瀏覽器訪問localhost:
再測試下我們的SSM工程里測試類的正常工作截圖:
控制臺的輸出和日志信息:
該有的輸出都是正常的,再看一下我們保存到本地的日志文件:
成功地保存了我們工程的輸出日志。
一晚上堅持一口氣寫完整個日志,到這里終于完美地結束了,如果大家覺得在下寫的記錄有幫助,可以給下支持和訂閱哦!
附上GitHub的源碼地址:SSMDemo GitHub源碼
如果有不對的地方,歡迎各位大佬指教,如果有不懂的地方,也歡迎大家留言,我們一起討論。
轉載:https://blog.csdn.net/Mr__Viking/article/details/80919340
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