06_MyBatis,Spring,SpringMVC整合



1. 项目结构

1. Spring的配置：

beans.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: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-3.0.xsd        http://www.springframework.org/schema/mvc        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd        http://www.springframework.org/schema/context        http://www.springframework.org/schema/context/spring-context-3.0.xsd        http://www.springframework.org/schema/aop        http://www.springframework.org/schema/aop/spring-aop-3.0.xsd        http://www.springframework.org/schema/tx        http://www.springframework.org/schema/tx/spring-tx-3.0.xsd "> <context:component-scan base-package="com.rl"/> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"></property> <property name="url" value="jdbc:mysql://localhost:3306/mybatis"></property> <property name="username" value="root"></property> <property name="password" value="123456"></property> </bean> <!-- 使用spring来管理sqlSessionFactory --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="configLocation" value="classpath:sqlMapConfig.xml"></property> <property name="dataSource" ref="dataSource"></property> </bean> <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"></property> </bean> <tx:advice id="txAdvice" transaction-manager="txManager"> <tx:attributes> <tx:method name="save*" propagation="REQUIRED"/> <tx:method name="update*" propagation="REQUIRED"/> <tx:method name="delete*" propagation="REQUIRED"/> <tx:method name="select*" read-only="true"/> </tx:attributes> </tx:advice> <aop:config> <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.rl.service..*.*(..))"/> </aop:config> </beans>

1. springmvc.xml的配置内容如下：

<?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-3.0.xsd        http://www.springframework.org/schema/mvc        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd        http://www.springframework.org/schema/context        http://www.springframework.org/schema/context/spring-context-3.0.xsd        http://www.springframework.org/schema/aop        http://www.springframework.org/schema/aop/spring-aop-3.0.xsd        http://www.springframework.org/schema/tx        http://www.springframework.org/schema/tx/spring-tx-3.0.xsd "> <context:component-scan base-package="com.rl.controller"/> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/"></property> <property name="suffix" value=".jsp"></property> </bean> </beans>

1. web.xml的配置内容如下：

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:beans.xml</param-value> </context-param> <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:springmvc.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <filter> <filter-name>SpringCharacterEncodingFilter</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>SpringCharacterEncodingFilter</filter-name> <url-pattern>*.do</url-pattern> </filter-mapping> </web-app>

5 
log4j.properties

log4j.rootLogger=DEBUG, Console #Console log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.layout=org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n log4j.logger.java.sql.ResultSet=INFO log4j.logger.org.apache=INFO log4j.logger.java.sql.Connection=DEBUG log4j.logger.java.sql.Statement=DEBUG log4j.logger.java.sql.PreparedStatement=DEBUG

1. sqlMapConfig.xml

<?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> <typeAliases> <typeAlias type="com.rl.model.Person" alias="person"/> </typeAliases> <mappers> <mapper resource="com/rl/mapper/PersonMapper.xml" /> </mappers> </configuration>

PersonMapper.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"> <!-- namespace:命名空间，用来唯一标识一个映射文件,命名规范就是当前的文件的包加上文件名 --> <mapper namespace="com.rl.mapper.PersonMapper"> <resultMap type="person" id="BaseResultMap"> <!-- column:库表的字段 property：库表所有映射的实体类中属性名 --> <id column="person_id" property="personId"/> <result column="name" property="name"/> <result column="gender" property="gender"/> <result column="person_addr" property="personAddr"/> <result column="birthday" property="birthday"/> </resultMap> <!-- 公用的sql片段,也可以接收参数动态sql，所有的sql可以 --> <sql id="columns"> PERSON_ID, NAME, GENDER, PERSON_ADDR, BIRTHDAY </sql> <!-- 根据id来查询一个Person的数据 sql语句接收参数的一个语法#{}，如果接收的是一个{}中的内容任意select * from person_test t where t.ID = ?,使用预编译方式生成sql id:sql语句的唯一的标识不能重复 parameterType:sql要接收的数据类型 resultType：sql所返回的数据类型 --> <!-- 实际项目中数据库的表的字段一般由多个单词来构成 由下划线来分隔多个单词 person_addr 在java的model的实体类中的属性多个单词的命名规范是驼峰模式personAddr --> <!-- useCache:控制当前的这个sql是否使用二级缓存 --> <select id="selectPersonById" parameterType="int" resultMap="BaseResultMap" useCache="true"> select * from person t where t.person_id = #{id} </select> <!-- 库表变更 --> <insert id="insert" parameterType="person"> <selectKey keyProperty="personId" order="AFTER" resultType="int"> select LAST_INSERT_ID() </selectKey> insert into person (person_id, name, gender, person_addr, birthday) values(#{personId}, #{name}, #{gender}, #{personAddr}, #{birthday}) </insert> <!-- 删除的sql不能使用别名 --> <delete id="delete" parameterType="int"> delete from person where person_id = #{personId} </delete> <!-- 动态sql --> <!-- map.put("name", "安"); map.put("gender", "0"); map.put("personAddr", "东京") map.put("birthday", new Date()); <where>会自动处理and， 第一个and可以不写，其他的and必须要写 --> <select id="selectPersonByCondition" parameterType="map" resultMap="BaseResultMap"> select * from person t <where> <if test="name != null"> t.name like '%${name}%' </if> <if test="gender != null"> and t.gender = #{gender} </if> <if test="personAddr != null"> and t.person_addr like '%${personAddr}%' </if> <if test="birthday != null"> <![CDATA[ and t.birthday < #{birthday} ]]> </if> </where> </select> <!-- 动态修改 <set>标签可以去掉最后一个逗号 flushCache：二级缓存的刷新的配置：默认是true：会刷新，如果false就不刷新缓存 --> <update id="dynamicUpdate" parameterType="person" flushCache="false"> update person t <set> <if test="name != null"> t.name = #{name}, </if> <if test="gender != null"> t.gender = #{gender}, </if> <if test="personAddr != null"> t.person_addr = #{personAddr}, </if> <if test="birthday != null"> t.birthday = #{birthday} </if> </set> where t.person_id = #{personId} </update> </mapper>

6
 Person.java的内容如下：

package com.rl.model; import java.io.Serializable; import java.util.Date; public class Person implements Serializable{ private static final long serialVersionUID = 7728191033619971201L; private Integer personId; private String name; private String gender; private String personAddr; private Date birthday; public Integer getPersonId() { return personId; } public void setPersonId(Integer personId) { this.personId = personId; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getGender() { return gender; } public void setGender(String gender) { this.gender = gender; } public String getPersonAddr() { return personAddr; } public void setPersonAddr(String personAddr) { this.personAddr = personAddr; } public Date getBirthday() { return birthday; } public void setBirthday(Date birthday) { this.birthday = birthday; } }

7 
PersonDao.java

package com.rl.dao; import java.util.List; import java.util.Map; import com.rl.model.Person; public interface PersonDao { public void save(Person person); public Person selectPersonById(Integer personId); public void update(Person person); public void delete(Integer personId); public List<Person> selectPersonByCondition(Map<String, Object> map); }

8 
PersonDaoImpl.java的内容如下：

package com.rl.dao.impl; import java.util.List; import java.util.Map; import org.mybatis.spring.support.SqlSessionDaoSupport; import org.springframework.stereotype.Repository; import com.rl.dao.PersonDao; import com.rl.model.Person; @Repository public class PersonDaoImpl extends SqlSessionDaoSupport implements PersonDao { //命名空间 String ns = "com.rl.mapper.PersonMapper."; @Override public void save(Person person) { this.getSqlSession().insert(ns+"insert", person); } @Override public Person selectPersonById(Integer personId) { return (Person) this.getSqlSession().selectOne(ns+"selectPersonById", personId); } @Override public void update(Person person) { this.getSqlSession().update(ns+"dynamicUpdate", person); } @Override public void delete(Integer personId) { this.getSqlSession().delete(ns+"delete", personId); } @SuppressWarnings("unchecked") @Override public List<Person> selectPersonByCondition(Map<String, Object> map) { return this.getSqlSession().selectList(ns+"selectPersonByCondition", map); } }

9 
PersonService.java

package com.rl.service; import java.util.List; import java.util.Map; import com.rl.model.Person; public interface PersonService { public void save(Person person); public Person selectPersonById(Integer personId); public void update(Person person); public void delete(Integer personId); public List<Person> selectPersonByCondition(Map<String, Object> map); }

10
 PersonServiceImpl.java

package com.rl.service.impl; import java.util.List; import java.util.Map; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.rl.dao.PersonDao; import com.rl.model.Person; import com.rl.service.PersonService; @Service public class PersonServiceImpl implements PersonService { @Autowired private PersonDao personDao; @Override public void save(Person person) { personDao.save(person); } @Override public Person selectPersonById(Integer personId) { return personDao.selectPersonById(personId); } @Override public void update(Person person) { personDao.update(person); } @Override public void delete(Integer personId) { personDao.delete(personId); } @Override public List<Person> selectPersonByCondition(Map<String, Object> map) { return personDao.selectPersonByCondition(map); } }

11
 PersonController.java的内容如下：

package com.rl.controller; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.propertyeditors.CustomDateEditor; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.ServletRequestDataBinder; import org.springframework.web.bind.annotation.InitBinder; import org.springframework.web.bind.annotation.RequestMapping; import com.rl.model.Person; import com.rl.service.PersonService; @Controller @RequestMapping("/person") public class PersonController { @Autowired private PersonService personService; /** * 跳转到添加页面 */ @RequestMapping("/toSave.do") public String toSave(){ return "add"; } /** * 添加Person */ @RequestMapping("/save.do") public String save(Person person){ personService.save(person); return "redirect:listPerson.do"; } /** * 查询Person */ @RequestMapping("/getPerson.do") public String getPerson(Integer personId, Model model){ Person person = personService.selectPersonById(personId); model.addAttribute("person", person); return "update"; } /** * 修改Person */ @RequestMapping("/update.do") public String update(Person person){ personService.update(person); return "redirect:listPerson.do"; } /** * 删除 */ @RequestMapping("/delete.do") public String delete(Integer personId){ personService.delete(personId); return "redirect:listPerson.do"; } /** * 动态条件组合查询 */ @RequestMapping("/listPerson.do") public String listPerson(String name, String gender, String personAddr, Date birthday, Model model){ Map<String, Object> map = new HashMap<String,Object>(); if(name != null && "".equals(name.trim())){ name = null; } if(gender != null && "".equals(gender.trim())){ gender = null; } if(personAddr != null && "".equals(personAddr.trim())){ personAddr = null; } map.put("name", name); map.put("gender", gender); map.put("personAddr", personAddr); map.put("birthday", birthday); List<Person> pList = personService.selectPersonByCondition(map); model.addAttribute("pList", pList); model.addAttribute("name", name); model.addAttribute("gender", gender); model.addAttribute("personAddr", personAddr); model.addAttribute("birthday", birthday); return "list"; } @InitBinder public void initBinder(ServletRequestDataBinder binder){ binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("yyyy-MM-dd"), true)); } }

12 
add.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <%@taglib uri="http://java.sun.com/jsp/jstl/core"  prefix="c"%> <%@taglib uri="http://java.sun.com/jsp/jstl/fmt"  prefix="f"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'list.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <form action="person/save.do" method="post"> <table width="80%" align="center"> <tr> <td><label>姓名：</label><input type="text" name="name" ></td> <td><label>性别：</label> <select name="gender" > <option value="">请选择</option> <option value="0"  >男</option> <option value="1"  >女</option> </select> </td> <td><label>地址：</label><input type="text" name="personAddr" ></td> <td><label>生日：</label><input type="text" name="birthday"></td> <td><input type="submit" value="保存"></td> </tr> </table> </form> </body> </html>

13 list.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <%@taglib uri="http://java.sun.com/jsp/jstl/core"  prefix="c"%> <%@taglib uri="http://java.sun.com/jsp/jstl/fmt"  prefix="f"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'list.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <script type="text/javascript">       function delPerson(personId){ if(confirm("真删吗?")){ window.location.href="person/delete.do?personId="+personId; } } </script> </head> <body> <form action="person/listPerson.do" method="post"> <table width="80%" align="center"> <tr> <td><label>姓名：</label><input type="text" name="name" value="${name }"></td> <td><label>性别：</label> <select name="gender" > <option value="">请选择</option> <option value="0" <c:if test="${gender == '0' }">selected</c:if> >男</option> <option value="1" <c:if test="${gender == '1' }">selected</c:if> >女</option> </select> </td> <td><label>地址：</label><input type="text" name="personAddr" value="${personAddr }"></td> <td><label>生日：</label><input type="text" name="birthday" value="<f:formatDate value="${birthday }" pattern="yyyy-MM-dd"/>"></td> <td><input type="submit" value="查询"></td> </tr> </table> </form> <table align="center" width="80%"> <tr> <td><a href="person/toSave.do">添加</a></td> </tr> </table> <table width="80%" align="center" border="1"> <tr> <th>姓名</th> <th>性别</th> <th>地址</th> <th>生日</th> <th>操作</th> </tr> <c:forEach items="${pList }" var="person"> <tr> <td>${person.name }</td> <td> <c:if test="${person.gender == '0' }">男</c:if> <c:if test="${person.gender == '1' }">女</c:if> </td> <td>${person.personAddr }</td> <td><f:formatDate value="${person.birthday }" pattern="yyyy-MM-dd"/> </td> <td><a href="person/getPerson.do?personId=${person.personId }">修改</a> <a href="javascript:void(0)" onclick="delPerson(${person.personId})">删除</a></td> </tr> </c:forEach> </table> </body> </html>

14 update.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <%@taglib uri="http://java.sun.com/jsp/jstl/core"  prefix="c"%> <%@taglib uri="http://java.sun.com/jsp/jstl/fmt"  prefix="f"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'list.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <form action="person/update.do" method="post"> <input type="hidden" name="personId" value="${person.personId }"> <table width="80%" align="center"> <tr> <td><label>姓名：</label><input type="text" name="name" value="${person.name }"></td> <td><label>性别：</label> <select name="gender" > <option value="">请选择</option> <option value="0" <c:if test="${person.gender == '0' }">selected</c:if> >男</option> <option value="1" <c:if test="${person.gender == '1' }">selected</c:if> >女</option> </select> </td> <td><label>地址：</label><input type="text" name="personAddr" value="${person.personAddr }"></td> <td><label>生日：</label><input type="text" name="birthday" value="<f:formatDate value="${person.birthday }" pattern="yyyy-MM-dd"/>"></td> <td><input type="submit" value="修改"></td> </tr> </table> </form> </body> </html>