抛弃ssh,拥抱ssm

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听说企业中ssm运用的很多,而且,近期感觉项目中运用的表关联相当多,运用mybatis感觉会更加方便和灵活,所以准备开始ssm的学习。

初步计划

后台:spring4.1.6+spring mvc4.1.6+mybatis3.2.8+mybatis-spring1.2.2

前台:dojo1.10.4

通过maven来管理jar包

主要采用rest风格。

应广大网友的要求,这里贴出源码,方便网友测试:我是源代码

补充一下:源代码里的pom.xml里面缺少了一个jar包,需要补充一下

    <dependency>        <groupId>org.aspectj</groupId>        <artifactId>aspectjweaver</artifactId>        <version>1.6.10</version>    </dependency>


201507181134最新修正:修改json相关信息,解决json报406的错误

pom.xml里面添加以下jar包即可

      

 <jackson.version>2.2.3</jackson.version>        <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>        <dependency>            <groupId>com.fasterxml.jackson.core</groupId>            <artifactId>jackson-annotations</artifactId>            <version>${jackson.version}</version>        </dependency>        <dependency>            <groupId>com.fasterxml.jackson.module</groupId>            <artifactId>jackson-module-jaxb-annotations</artifactId>            <version>${jackson.version}</version>        </dependency>

20150725修正:重大的bug,不过找到了总比没找打强。

在spring.xml中缺少一项配置,导致mybatis.xml文件没有起作用,具体是缺少configLocation属性。今天把这个错误修正,这个框架一定会越来越完善,越来越好!

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">    <property name="configLocation" value="classpath:mybatis.xml"/>    <property name="dataSource" ref="myC3P0DataSource"></property>    <property name="mapperLocations" value="classpath:com/aodong/mybatisTest/mapper/*.xml"/>      <property name="typeAliasesPackage" value="com.aodong.mybatisTest.model"></property></bean>


----------------------------分割线,我们开始吧-----------------------------------


首先,项目截图:


sql文件:

-- ------------------------------ Table structure for student-- ----------------------------DROP TABLE IF EXISTS `student`;CREATE TABLE `student` (  `id` bigint(20) NOT NULL AUTO_INCREMENT,  `age` int(11) DEFAULT NULL,  `name` varchar(32) DEFAULT NULL,  `niceName` varchar(255) DEFAULT NULL,  PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=14 DEFAULT CHARSET=utf8;-- ------------------------------ Records of student-- ----------------------------INSERT INTO `student` VALUES ('1', '1', '11', '111');INSERT INTO `student` VALUES ('13', '111', 'haha', 'haha');

web.xml文件:

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">  <display-name>mavenChapter1</display-name>  <welcome-file-list>    <welcome-file>index.html</welcome-file>    <welcome-file>index.htm</welcome-file>    <welcome-file>index.jsp</welcome-file>    <welcome-file>default.html</welcome-file>    <welcome-file>default.htm</welcome-file>    <welcome-file>default.jsp</welcome-file>  </welcome-file-list>  <!-- 创建spring监听器 -->  <listener>  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  </listener>    <!-- spring的监听器可以通过这个上下文参数来获取applicationContext.xml的位置 -->  <context-param>  <param-name>contextConfigLocation</param-name>  <param-value>  classpath:spring.xml  </param-value>  </context-param>    <servlet>  <servlet-name>spring-mvc</servlet-name>  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  <init-param>  <param-name>contextConfigLocation</param-name>  <param-value>classpath:spring-mvc.xml</param-value>  </init-param>  <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>  <servlet-name>spring-mvc</servlet-name><url-pattern>/</url-pattern>  </servlet-mapping>    <filter>  <filter-name>CharacterFilter</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>CharacterFilter</filter-name>  <url-pattern>/*</url-pattern>  </filter-mapping>  </web-app>

pom.xml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/xsd/maven-4.0.0.xsd">  <modelVersion>4.0.0</modelVersion>  <groupId>mavenChapter2</groupId>  <artifactId>mavenChapter2</artifactId>  <version>0.0.1-SNAPSHOT</version>  <packaging>war</packaging>  <name>mavenChapter2</name>  <description/>  <properties>        <!-- spring版本号 -->        <spring.version>4.1.6.RELEASE</spring.version>        <!-- mybatis版本号 -->        <mybatis.version>3.2.8</mybatis.version>        <!-- log4j日志文件管理包版本 -->        <slf4j.version>1.7.7</slf4j.version>        <log4j.version>1.2.17</log4j.version>        <jackson.version>2.2.3</jackson.version>    </properties>    <dependencies>    <dependency>          <groupId>org.aspectj</groupId>          <artifactId>aspectjweaver</artifactId>          <version>1.6.10</version>      </dependency>     <dependency>      <groupId>javax</groupId>      <artifactId>javaee-api</artifactId>      <version>7.0</version>      <scope>provided</scope>    </dependency>    <dependency>      <groupId>org.glassfish.web</groupId>      <artifactId>javax.servlet.jsp.jstl</artifactId>      <version>1.2.2</version>    </dependency>        <dependency>            <groupId>c3p0</groupId>            <artifactId>c3p0</artifactId>            <version>0.9.1.2</version>        </dependency>        <dependency>            <groupId>junit</groupId>            <artifactId>junit</artifactId>            <version>4.11</version>            <!-- 表示开发的时候引入,发布的时候不会加载此包 -->            <scope>test</scope>        </dependency>        <!-- spring核心包 -->        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-context</artifactId>            <version>4.1.6.RELEASE</version>        </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>${spring.version}</version>        </dependency>        <!-- mybatis核心包 -->        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis</artifactId>            <version>${mybatis.version}</version>        </dependency>        <!-- mybatis/spring包 -->        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis-spring</artifactId>            <version>1.2.2</version>        </dependency>        <!-- 导入Mysql数据库链接jar包 -->        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>5.1.30</version>        </dependency>        <!-- JSTL标签类 -->        <dependency>            <groupId>jstl</groupId>            <artifactId>jstl</artifactId>            <version>1.2</version>        </dependency>        <!-- 日志文件管理包 -->        <!-- log start -->        <dependency>            <groupId>log4j</groupId>            <artifactId>log4j</artifactId>            <version>${log4j.version}</version>        </dependency>        <!-- 格式化对象,方便输出日志 -->        <dependency>            <groupId>com.alibaba</groupId>            <artifactId>fastjson</artifactId>            <version>1.1.41</version>        </dependency>        <dependency>            <groupId>org.slf4j</groupId>            <artifactId>slf4j-api</artifactId>            <version>${slf4j.version}</version>        </dependency>        <dependency>            <groupId>org.slf4j</groupId>            <artifactId>slf4j-log4j12</artifactId>            <version>${slf4j.version}</version>        </dependency>        <!-- log end -->        <!-- 映入JSON -->        <dependency>            <groupId>com.fasterxml.jackson.core</groupId>            <artifactId>jackson-core</artifactId>            <version>${jackson.version}</version>        </dependency>        <dependency>            <groupId>com.fasterxml.jackson.core</groupId>            <artifactId>jackson-databind</artifactId>            <version>${jackson.version}</version>        </dependency>        <dependency>            <groupId>com.fasterxml.jackson.core</groupId>            <artifactId>jackson-annotations</artifactId>            <version>${jackson.version}</version>        </dependency>        <dependency>            <groupId>com.fasterxml.jackson.module</groupId>            <artifactId>jackson-module-jaxb-annotations</artifactId>            <version>${jackson.version}</version>        </dependency>        <!-- 上传组件包 -->        <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>    </dependencies>    </project>

jdbc.properties文件:

datasource.type=mysqldatasource.driverClassName=com.mysql.jdbc.Driverdatasource.url=jdbc\:mysql\://127.0.0.1\:3306/shtest?useUnicode\=true&characterEncoding\=UTF-8datasource.username=rootdatasource.password=roothibernate.dialect=org.hibernate.dialect.MySQLDialect#datasource.type=oracle#datasource.driverClassName=oracle.jdbc.driver.OracleDriver#datasource.url=jdbc\:oracle\:thin\:@192.168.1.88\:1521\:juice?useUnicode\=true&characterEncoding\=utf-8 #datasource.username=root#datasource.password=root#hibernate.dialect=org.hibernate.dialect.Oracle10gDialectdatasource.maxActive=100datasource.initialSize=5datasource.maxIdle=20datasource.maxWait=120000datasource.whenExhaustedAction=1#datasource.validationQuery=select 1 from dualdatasource.testOnBorrow=truedatasource.testOnReturn=falsec3p0.acquireIncrement=3c3p0.initialPoolSize=3c3p0.idleConnectionTestPeriod=60c3p0.minPoolSize=2c3p0.maxPoolSize=50c3p0.maxStatements=100c3p0.numHelperThreads=10c3p0.maxIdleTime=600c3p0.testConnectionOnCheckout=falsec3p0.preferredTestQuery=select 1 from dual

log4j.properties文件:

log4j.rootCategory=INFO, stdout , Rlog4j.appender.stdout=org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.layout=org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern=[springTest] %p [%t] %C.%M(%L) | %m%nlog4j.appender.R=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.R.File=d\:logsshTest.loglog4j.appender.R.layout=org.apache.log4j.PatternLayoutlog4j.appender.R.layout.ConversionPattern=%d-[TS] %p %t %c - %m%n

mybatis.xml文件:

<?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> --><!-- 这个配置使全局的映射器启用或禁用缓存 --><!-- <setting name="cacheEnabled" value="true" /> --><!-- 全局启用或禁用延迟加载。当禁用时,所有关联对象都会即时加载 --><!-- <setting name="lazyLoadingEnabled" value="true" /> --><!-- 当启用时,有延迟加载属性的对象在被调用时将会完全加载任意属性。否则,每种属性将会按需要加载 --><!-- <setting name="aggressiveLazyLoading" value="true" /> --><!-- 允许或不允许多种结果集从一个单独的语句中返回(需要适合的驱动) --><!-- <setting name="multipleResultSetsEnabled" value="true" /> --><!-- 使用列标签代替列名。不同的驱动在这方便表现不同。参考驱动文档或充分测试两种方法来决定所使用的驱动 --><!-- <setting name="useColumnLabel" value="true" /> --><!-- 允许JDBC支持生成的键。需要适合的驱动。如果设置为true则这个设置强制生成的键被使用,尽管一些驱动拒绝兼容但仍然有效(比如Derby) --><!-- <setting name="useGeneratedKeys" value="true" /> --><!-- 指定MyBatis如何自动映射列到字段/属性。PARTIAL只会自动映射简单,没有嵌套的结果。FULL会自动映射任意复杂的结果(嵌套的或其他情况) --><!-- <setting name="autoMappingBehavior" value="PARTIAL" /> --><!-- 配置默认的执行器。SIMPLE执行器没有什么特别之处。REUSE执行器重用预处理语句。BATCH执行器重用语句和批量更新 --><!-- <setting name="defaultExecutorType" value="SIMPLE" /> --><!-- 设置超时时间,它决定驱动等待一个数据库响应的时间 --><!-- <setting name="defaultStatementTimeout" value="25000" /> --><!-- </settings> --><!-- 设置别名 --><!-- <typeAliases><typeAlias alias="User" type="com.adon.model.User" /></typeAliases> --></configuration>

spring-mvc.xml文件:

<?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:p="http://www.springframework.org/schema/p"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-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd" ><!-- Spring为我们提供了一种极为方便注册这些BeanPostProcessor的方式,即使用<context:annotation- config/>隐式地向 Spring容器注册AutowiredAnnotationBeanPostProcessor、RequiredAnnotationBeanPostProcessor、CommonAnnotationBeanPostProcessor以及PersistenceAnnotationBeanPostProcessor这4个BeanPostProcessor -->    <context:annotation-config />        <!-- <mvc:annotation-driven /> 是一种简写形式,    会自动注册DefaultAnnotationHandlerMapping与    AnnotationMethodHandlerAdapter 两个bean,    是spring MVC为@Controllers分发请求所必须的 --><mvc:annotation-driven /><!--使Spring支持自动检测组件,如注解的Controller --><context:component-scan base-package="com.aodong.mybatisTest.controller" /><!-- 将静态文件指定到某个特殊的文件夹中统一处理 --><mvc:resources location="/resources/" mapping="/resources/**"/><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/jsp/" /><property name="suffix" value=".jsp" /></bean></beans>

spring.xml文件:

<?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" xmlns:context="http://www.springframework.org/schema/context"xmlns:jee="http://www.springframework.org/schema/jee"xsi:schemaLocation="http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsdhttp://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsdhttp://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd"><!-- 启用spring注解支持 --><context:annotation-config /><context:component-scan base-package="com.aodong.mybatisTest" /><!-- 加载jdbc.properties文件,用于下边的数据库配置 -->      <context:property-placeholder location="classpath:jdbc.properties"/> <!-- 配置c3p0连接池 开始--><bean id="myC3P0DataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"><property name="driverClass" value="${datasource.driverClassName}"></property>      <property name="jdbcUrl" value="${datasource.url}"></property>      <property name="user" value="${datasource.username}"></property>      <property name="password" value="${datasource.password}"></property>      <property name="acquireIncrement" value="${c3p0.acquireIncrement}"></property>      <property name="initialPoolSize" value="${c3p0.initialPoolSize}"></property>      <property name="maxIdleTime" value="${c3p0.maxIdleTime}"></property>      <property name="maxPoolSize" value="${c3p0.maxPoolSize}"></property>      <property name="minPoolSize" value="${c3p0.minPoolSize}"></property>      <property name="idleConnectionTestPeriod" value="${c3p0.idleConnectionTestPeriod}"></property>      <property name="maxStatements" value="${c3p0.maxStatements}"></property>      <property name="numHelperThreads" value="${c3p0.numHelperThreads}"></property>      <property name="testConnectionOnCheckout" value="${c3p0.testConnectionOnCheckout}"></property>      <property name="preferredTestQuery" value="${c3p0.preferredTestQuery}"></property>      <property name="acquireRetryDelay" value="1000"></property>      <property name="acquireRetryAttempts" value="60"></property>      <property name="breakAfterAcquireFailure" value="false"></property>  </bean><!-- 配置c3p0连接池 结束--><!--创建sqlSessionFactory 开始 --><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="myC3P0DataSource"></property><property name="mapperLocations" value="classpath:com/aodong/mybatisTest/mapper/*.xml"/>  <property name="typeAliasesPackage" value="com.aodong.mybatisTest.model"></property></bean><!--创建sqlSessionFactory 结束 --><!-- 扫描sql映射文件  开始--><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="com.aodong.mybatisTest.dao"></property></bean><!-- 扫描sql映射文件  结束--><!-- 配置事务管理器  开始 --><bean id="txmanager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="myC3P0DataSource"></property></bean><!-- 配置事务管理器   结束 --><!--基本事务定义,使用transactionManager作事务管理,默认get*,find*方法的事务为read-only--><tx:advice id="txAdvice" transaction-manager="txmanager"><tx:attributes><tx:method name="find*" read-only="true" /><tx:method name="get*" read-only="true" /><tx:method name="update*" propagation="REQUIRED" /><tx:method name="delete*" propagation="REQUIRED" /><tx:method name="save*" propagation="REQUIRED" /><tx:method name="*" propagation="REQUIRED" /></tx:attributes></tx:advice>       <!-- 以AspectJ方式 定义AOP         第一个*代表所有的返回值类型          第二个*代表所有的类         第三个*代表类所有方法          最后一个..代表所有的参数。     --><aop:config>        <aop:pointcut id="interceptorPointCuts" expression="execution(* com.aodong.mybatisTest.service.*Impl.*(..))" />        <aop:advisor advice-ref="txAdvice" pointcut-ref="interceptorPointCuts" /></aop:config></beans>

student.java文件:

package com.aodong.mybatisTest.model;import java.io.Serializable;public class Student implements Serializable {private long id;private int age;private String name;private String niceName;public Student() {}public Student(long id, int age, String name, String niceName) {super();this.id = id;this.age = age;this.name = name;this.niceName = niceName;}public long getId() {return id;}public void setId(long id) {this.id = id;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getNiceName() {return niceName;}public void setNiceName(String niceName) {this.niceName = niceName;}@Overridepublic String toString() {return "Student [id=" + id + ", age=" + age + ", name=" + name+ ", niceName=" + niceName + "]";}}

StudentMapper.java文件:

package com.aodong.mybatisTest.dao;import java.util.List;import com.aodong.mybatisTest.model.Student;public interface StudentMapper {public int add(Student stu);public int update(Student stu);public int delete(long id);public Student getStu(long id);public List<Student> getStuAll();}

StudentMapper.xml文件:

<?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.aodong.mybatisTest.dao.StudentMapper"><select id="getStu" parameterType="long" resultType="Student">        select * from student where id=#{id}    </select>    <insert id="add" parameterType="Student">        insert into Student (age, name, niceName) values (#{age}, #{name}, #{niceName})    </insert>    <update id="update" parameterType="Student">        update Student set age=#{age}, name=#{name}, niceName=#{niceName} where id=#{id}    </update>    <delete id="delete" parameterType="long">        delete from Student where id=#{id}    </delete>    <select id="getStuAll" resultType="Student">        select * from Student;    </select>    </mapper>

StudentService.java文件:

package com.aodong.mybatisTest.service;import com.aodong.mybatisTest.model.Student;public interface StudentService {    public Student getStu(long id);    public void saveStu(Student stu);    public void updateStu(Student stu);    public void deleteStu(long id);    public List<Student> getStuAll();}

StudentServiceImpl.java文件

package com.aodong.mybatisTest.service.impl;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import com.aodong.mybatisTest.dao.StudentMapper;import com.aodong.mybatisTest.model.Student;import com.aodong.mybatisTest.service.StudentService;@Service("studentService")public class StudentServiceImpl implements StudentService {    @Autowired    private StudentMapper studentMapper;    public Student getStu(long id) {        return studentMapper.getStu(id);    }    public void saveStu(Student stu) {        studentMapper.add(stu);    }    public void updateStu(Student stu) {        studentMapper.update(stu);    }    public void deleteStu(long id) {        studentMapper.delete(id);    }    public List<Student> getStuAll() {        return studentMapper.getStuAll();    }}

StudentController.java文件:

package com.aodong.mybatisTest.controller;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import com.aodong.mybatisTest.model.Student;import com.aodong.mybatisTest.service.StudentService;@Controller@RequestMapping("/student")public class StudentController {@Autowiredprivate StudentService studentService;@RequestMapping(value="/{userid}/show", method=RequestMethod.GET)public String show(@PathVariable long userid, Model model){Student stu = studentService.getStu(userid);System.out.println(stu);model.addAttribute("student", studentService.getStu(userid));return "student/show";}}

-----------------------------到此基本可以告一段落了--------------------------------------


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