SSM框架搭建圖文教程(推薦)
好久就想著好好搭建一個ssm框架,自己以后用也方便吧,但是最近的事真的是很多,很多事情都沒有去干,有時候自己會懷疑一下人生自己該不該去做程序員,我是一個沒畢業(yè)的學(xué)生,找工作真的是四處碰壁,感覺自己好難混,一個暑假換了3個公司。我其實就想找一個公司能干自己想干的技術(shù),能學(xué)到自己想學(xué)到的東西,可是我發(fā)現(xiàn)太難了,幾乎沒有這樣的公司。所以說在你不是很牛逼的時候,人得適應(yīng)公司,而不是公司適應(yīng)你。第一個公司的一個老程序員和我去公司必須能吃上飯,能吃上飯再想其他的東西,而我是個90后,我明白我的性格,一遇到難題就想逃避,可是逃避是最不好的道路,也是不能走的道路。希望剛畢業(yè)的同學(xué)能找到一個適合自己的工作。
一、我用的是idea
二、首先創(chuàng)建一個maven項目,結(jié)構(gòu)如下:

三、開始寫配置文件

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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.xxx.demo</groupId>
<artifactId>ssm</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>ssm 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版本號 -->
<spring.version>4.2.6.RELEASE</spring.version>
<!-- mybatis版本號 -->
<mybatis.version>3.2.8</mybatis.version>
<!-- mysql驅(qū)動版本號 -->
<mysql-driver.version>5.1.29</mysql-driver.version>
<!-- log4j日志包版本號 -->
<slf4j.version>1.7.18</slf4j.version>
<log4j.version>1.2.17</log4j.version>
</properties>
<dependencies>
<!-- 添加jstl依賴 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
<!-- 添加junit4依賴 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<!-- 指定范圍,在測試時才會加載 -->
<scope>test</scope>
</dependency>
<!-- 添加spring核心依賴 -->
<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-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>4.3.8.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- 添加mybatis依賴 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- 添加mybatis/spring整合包依賴 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<!-- 添加mysql驅(qū)動依賴 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql-driver.version}</version>
</dependency>
<!-- 添加數(shù)據(jù)庫連接池依賴 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.3</version>
</dependency>
<!-- 添加fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.41</version>
</dependency>
<!-- 添加日志相關(guān)jar包 -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- log end -->
<!-- 映入JSON -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.8.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.8.0</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.9</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.10</version>
</dependency>
</dependencies>
<build>
<finalName>ssm</finalName>
</build>
</project>
db.properties
db.Driver=com.mysql.jdbc.Driver db.Url=jdbc:mysql://localhost:3306/myuser?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull db.username=root db.password=xxxxxxxxxxxxx #定義初始連接數(shù) db.initialSize=1 #定義最大連接數(shù) db.maxActive=20 #定義最大空閑 db.maxIdle=20 #定義最小空閑 db.minIdle=1 #定義最長等待時間 db.maxWait=60000 #使用非公平鎖 db.useUnfairLock=true #配置間隔多久才進(jìn)行一次檢測,檢測需要關(guān)閉的空閑連接,單位是毫秒 db.timeBetweenEvictionRunsMillis=60000 #配置一個連接在池中最小生存的時間,單位是毫秒 db.minEvictableIdleTimeMillis=300000 db.validationQuery=SELECT 'x' #申請連接的時候檢測,如果空閑時間大于timeBetweenEvictionRunsMillis,執(zhí)行validationQuery檢測連接是否有效。 db.testWhileIdle=true #申請連接時執(zhí)行validationQuery檢測連接是否有效 db.testOnBorrow=false #歸還連接時執(zhí)行validationQuery檢測連接是否有效 db.testOnReturn=false #打開PSCache,并且指定每個連接上PSCache的大小 db.poolPreparedStatements=true db.maxOpenPreparedStatements=20 #配置監(jiān)控統(tǒng)計攔截的filters,去掉后監(jiān)控界面sql無法統(tǒng)計 db.filters=start
log4j.properties
log4j.rootLogger=DEBUG,CONSOLE,FILEOUT
log4j.addivity.org.apache=true
# CONSOLE 打印到控制臺
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.Threshold=DEBUG
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH\:mm\:ss} \:%m%n
#
# FILEOUT 打印到 <span style="font-family: Arial, Helvetica, sans-serif;">D\:\\report.log</span>
log4j.appender.FILEOUT=org.apache.log4j.RollingFileAppender
log4j.appender.FILEOUT.File=D\:\\report.log
log4j.appender.FILEOUT.layout=org.apache.log4j.PatternLayout
log4j.appender.fileout.MaxFileSize=100000KB
log4j.appender.FILEOUT.Append=true
#log4j.appender.CONSOLE.layout.ConversionPattern=[framework] %d \u2013 %c -%-4r [%t] %-5p %c %x \u2013 %m%n
log4j.appender.FILEOUT.layout.ConversionPattern=[%-5p]_%d{yyyy-MM-dd HH\:mm\:ss} \:%m%n
UserMapper.xml配置
<?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.dao.UserDao">
<resultMap type="com.ssm.pojo.User" id="User">
<id column="id" property="id"/>
<result column="username" property="username" />
<result column="password" property="password"/>
</resultMap>
<select id="seleceUserById" parameterType="int" resultMap="User">
select * from t_user WHERE id=#{id}
</select>
</mapper>
sp-mybatis配置
<?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"
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">
<!--掃描數(shù)據(jù)庫配置文件-->
<context:property-placeholder location="classpath:db.properties"></context:property-placeholder>
<!-- 第二種方式:加載多個properties文件
<bean id="configProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list>
<value>classpath:jdbc.properties</value>
<value>classpath:common.properties</value>
</list>
</property>
<property name="fileEncoding" value="UTF-8"/>
</bean>
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PreferencesPlaceholderConfigurer">
<property name="properties" ref="configProperties"/>
</bean>
-->
<!--Druid配置數(shù)據(jù)源-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="${db.Driver}"></property>
<property name="url" value="${db.Url}"></property>
<property name="username" value="${db.username}"></property>
<property name="password" value="${db.password}"></property>
<property name="initialSize" value="${db.initialSize}"/><!-- 配置初始化連接池數(shù)量-->
<property name="minIdle" value="${db.minIdle}"/><!-- 配置最小連接池數(shù)量-->
<property name="maxActive" value="${db.maxActive}"/><!-- 配置最大連接池數(shù)量-->
<property name="maxWait" value="${db.maxWait}"/><!-- 配置獲取連接等待超時的時間 單位毫秒-->
<property name="useUnfairLock" value="${db.useUnfairLock}"/><!--使用非公平鎖-->
<property name="timeBetweenEvictionRunsMillis"
value="${db.timeBetweenEvictionRunsMillis}"/><!-- 配置間隔多久才進(jìn)行一次檢測,檢測需要關(guān)閉的空閑連接,單位是毫秒 -->
<property name="minEvictableIdleTimeMillis"
value="${db.minEvictableIdleTimeMillis}"/><!-- 配置一個連接在池中最小生存的時間,單位是毫秒 -->
<property name="validationQuery" value="${db.validationQuery}"/><!--用來檢測連接是否有效的sql,要求是一個查詢語句。-->
<property name="testWhileIdle"
value="${db.testWhileIdle}"/><!--申請連接的時候檢測,如果空閑時間大于timeBetweenEvictionRunsMillis,執(zhí)行validationQuery檢測連接是否有效。-->
<property name="testOnBorrow" value="${db.testOnBorrow}"/><!--申請連接時執(zhí)行validationQuery檢測連接是否有效,-->
<property name="testOnReturn" value="${db.testOnReturn}"/><!--歸還連接時執(zhí)行validationQuery檢測連接是否有效,-->
<property name="poolPreparedStatements"
value="${db.poolPreparedStatements}"/><!-- 打開PSCache,并且指定每個連接上PSCache的大小 -->
<property name="maxOpenPreparedStatements" value="${db.maxOpenPreparedStatements}"/>
<property name="filters" value="${db.filters}"/><!-- 配置監(jiān)控統(tǒng)計攔截的filters,去掉后監(jiān)控界面sql無法統(tǒng)計 -->
</bean>
<!-- mybatis和spring完美整合,不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="mapperLocations" value="classpath:mapper/*.xml"></property>
</bean>
<!-- DAO接口所在包名,Spring會自動查找其下的類 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.dao"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
</beans>
sp-service.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" 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"> <context:component-scan base-package="com.ssm.service"> </context:component-scan> </beans>
sp-trans.xml配置
<?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:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
<!-- 配置事務(wù)管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 注解方式配置事務(wù) -->
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- 攔截器方式配置事物 -->
<tx:advice id="transactionAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!--REQUIRED支持當(dāng)前存在的事務(wù),如果沒有的話句創(chuàng)建一個新的事務(wù)
PROPAGATION_REQUIRED:支持當(dāng)前事務(wù),如果當(dāng)前沒有事務(wù),就新建一個事務(wù)。這是最常見的選擇。
SUPPORTS:支持當(dāng)前事務(wù),如果當(dāng)前沒有事務(wù),就以非事務(wù)方式執(zhí)行。
MANDATORY:支持當(dāng)前事務(wù),如果當(dāng)前沒有事務(wù),就拋出異常。
REQUIRES_NEW:新建事務(wù),如果當(dāng)前存在事務(wù),把當(dāng)前事務(wù)掛起。
NOT_SUPPORTED:以非事務(wù)方式執(zhí)行操作,如果當(dāng)前存在事務(wù),就把當(dāng)前事務(wù)掛起。
NEVER:以非事務(wù)方式執(zhí)行,如果當(dāng)前存在事務(wù),則拋出異常。
NESTED:支持當(dāng)前事務(wù),如果當(dāng)前事務(wù)存在,則執(zhí)行一個嵌套事務(wù)(還不是太明白),如果當(dāng)前沒有事務(wù),就新建一個事務(wù)。
-->
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="append*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="modify*" propagation="REQUIRED" />
<tx:method name="edit*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="repair" propagation="REQUIRED" />
<tx:method name="delAndRepair" propagation="REQUIRED" />
<tx:method name="get*" propagation="SUPPORTS" />
<tx:method name="find*" propagation="SUPPORTS" />
<tx:method name="load*" propagation="SUPPORTS" />
<tx:method name="search*" propagation="SUPPORTS" />
<tx:method name="datagrid*" propagation="SUPPORTS" />
<tx:method name="*" propagation="SUPPORTS" />
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="transactionPointcut" expression="execution(* com.ssm.service..*.*(..))" />
<aop:advisor pointcut-ref="transactionPointcut"
advice-ref="transactionAdvice" />
</aop:config>
<!-- 配置druid監(jiān)控spring jdbc -->
<bean id="druid-stat-interceptor"
class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>
<bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut"
scope="prototype">
<property name="patterns">
<list>
<value>com.ssm.service.*</value>
</list>
</property>
</bean>
<aop:config>
<aop:advisor advice-ref="druid-stat-interceptor" pointcut-ref="druid-stat-pointcut" />
</aop:config>
</beans>
Springmvc配置
<?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"> <!--掃描controller--> <context:component-scan base-package="com.ssm.controller"></context:component-scan> <!--mvc驅(qū)動--> <mvc:annotation-driven></mvc:annotation-driven> <!--視圖解析器--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsps"></property> <property name="suffix" value=".jsp"></property> </bean> <!-- 文件上傳配置 --> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <!-- 默認(rèn)編碼 --> <property name="defaultEncoding" value="UTF-8"/> <!-- 上傳文件大小限制為31M,31*1024*1024 --> <property name="maxUploadSize" value="32505856"/> <!-- 內(nèi)存中的最大值 --> <property name="maxInMemorySize" value="4096"/> </bean> </beans>
web.xml配置
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" > <web-app> <display-name>Archetype Created Web Application</display-name> <context-param> <param-name>log4jConfigLocation</param-name> <param-value>classpath:log4j.properties</param-value> </context-param> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/sp-*.xml</param-value> </context-param> <!-- 編碼過濾器 --> <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> <!--Spring溢出監(jiān)聽器 <listener> <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class> </listener>--> <!--Spring監(jiān)聽器--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!--配置Servlet--> <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/springmvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!--session配置--> <session-config> <session-timeout>15</session-timeout> </session-config> </web-app>
然后基本框架已經(jīng)配置好了,剩下的就是寫java代碼了
Controller
package com.ssm.controller;
import com.ssm.pojo.User;
import com.ssm.service.UserService;
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 javax.annotation.Resource;
/**
* @author: hsj
* @Date: 2017/9/15
* @Description :
*/
@Controller
@RequestMapping(value = "/user")
public class UserController {
@Resource
private UserService userService;
@RequestMapping(value = "user")
@ResponseBody
public User getUser(int userId){
return userService.findUserById(userId);
}
}
Service
package com.ssm.service;
import com.ssm.pojo.User;
import org.springframework.stereotype.Service;
/**
* @author: hsj
* @Date: 2017/9/15
* @Description :
*/
public interface UserService {
User findUserById(int userId);
}
ServiceImpl
package com.ssm.service.impl;
import com.ssm.dao.UserDao;
import com.ssm.pojo.User;
import com.ssm.service.UserService;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
/**
* @author: hsj
* @Date: 2017/9/15
* @Description :
*/
@Service
public class UserServiceImpl implements UserService {
@Resource
private UserDao userDao;
public User findUserById(int userId) {
return userDao.seleceUserById(userId);
}
}
pojo
package com.ssm.pojo;
/**
* @author: hsj
* @Date: 2017/9/18
* @Description :這是一個User實體類
*/
public class User {
private int id;
private String username;
private String password;
public int getId() {
return id;
}
public void setId(int 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;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", username='" + username + '\'' +
", password='" + password + '\'' +
'}';
}
}
dao
package com.ssm.dao;
import com.ssm.pojo.User;
import org.springframework.stereotype.Repository;
/**
* @author: hsj
* @Date: 2017/9/15
* @Description :
*/
@Repository
public interface UserDao {
User seleceUserById(int userId);
}
以上這篇SSM框架搭建圖文教程(推薦)就是小編分享給大家的全部內(nèi)容了,希望能給大家一個參考,也希望大家多多支持腳本之家。
相關(guān)文章
SpringBoot實現(xiàn)連接nacos并支持多環(huán)境部署
這篇文章主要介紹了SpringBoot實現(xiàn)連接nacos并支持多環(huán)境部署方式,具有很好的參考價值,希望對大家有所幫助,如有錯誤或未考慮完全的地方,望不吝賜教2024-06-06
async-excel實現(xiàn)多sheet異步導(dǎo)出方法詳解
這篇文章主要介紹了async-excel實現(xiàn)多sheet異步導(dǎo)出方法,文中通過示例代碼介紹的非常詳細(xì),對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價值,需要的朋友們下面隨著小編來一起學(xué)習(xí)吧2022-12-12
SpringBoot整合liquibase的實現(xiàn)方法
這篇文章主要介紹了SpringBoot整合liquibase的實現(xiàn)方法,文中通過示例代碼介紹的非常詳細(xì),對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價值,需要的朋友們下面隨著小編來一起學(xué)習(xí)學(xué)習(xí)吧2019-08-08

