springMVC+mybatis
xml配置文件:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
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_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-*.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:DispatcherServlet-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:log4j.properties</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.util.Log4jConfigListener
</listener-class>
</listener>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
applicationContext-mybatis.xml配置文件(spring,mybatis集成的配置文件)
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 读取配置文件 两种方法 -->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath*:jdbc.properties</value>
</list>
</property>
</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" scope="singleton">
<property name="driverClassName" value="${driver}"/>
<property name="url" value="${url}?useUnicode=true&characterEncoding=utf8"/>
<property name="username" value="${username}"/>
<property name="password" value="${password}"/>
</bean>
<!-- 扫描事务注解 -->
<tx:annotation-driven/>
<!-- 事务管理 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 配置 MyBatis sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>
<!-- 生成mapper实例 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="dao"></property>
</bean>
</beans>
DispatcherServlet-servlet.xml配置文件(spring)
<?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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
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">
<!-- 扫描注解类 -->
<context:component-scan base-package="dao,pojo,service,controller"></context:component-scan>
<!-- 视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
mybatis-config.xml 配置文件(mybatis)
<?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> <!-- 定义实体类的别名 --> <typeAliases> <package name="pojo"/> </typeAliases> </configuration>
=====================
@Controller
public class IndexController {
@Resource
private UserService userService;
@RequestMapping(value="/index",method=RequestMethod.GET)
public String index(){
return "index";
}
--------------------------------------
@Service
public class UserServiceImpl implements UserService {
@Resource
private UserMapper userMapper;
=============随便写的分页,没注重格式,只是实现功能====================================
jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!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>Insert title here</title>
</head>
<body>
<c:forEach var="user" items="${userlist}">
${user.id}
${user.userName}
${user.password}<br/>
</c:forEach>
<a href="<%=pageContext.getServletContext().getContextPath()%>/userListPage/1">首页</a>
<a href="<%=pageContext.getServletContext().getContextPath()%>/userListPage/${page.beginIndex-1}">上一页</a>
<a href="<%=pageContext.getServletContext().getContextPath()%>/userListPage/${page.beginIndex+1}">下一页</a>
<a href="<%=pageContext.getServletContext().getContextPath()%>/userListPage/${page.totalPageCount}">尾页</a>
总共有${page.totalCount}条记录,
当前第${page.beginIndex}页
</body>
</html>
Controller
@Controller //类似Struts的Action
public class UserController {
private Logger loger = Logger.getLogger(UserController.class);
@Resource
private UserService userService;
@RequestMapping(value="/userListPage")
public String userListPage(){
return "redirect:/userListPage/1";
}
@RequestMapping(value="/userListPage/{beginIndex}",method=RequestMethod.GET)
public ModelAndView userListPage(@PathVariable String beginIndex){
ModelAndView modelAndView = new ModelAndView("userList");
Page page=new Page();
page.setTotalCount(userService.getUserCount());
if(Integer.valueOf(beginIndex)==1||Integer.valueOf(beginIndex)<1){
page.setBeginIndex(1);
}else if(Integer.valueOf(beginIndex)>page.getTotalPageCount()){
page.setBeginIndex(page.getTotalPageCount());
}else{
page.setBeginIndex(Integer.valueOf(beginIndex));
}
List<User> userlist=userService.getUserListPage((page.getBeginIndex()-1)*page.getPageSize(),page.getPageSize());
modelAndView.addObject("userlist", userlist);
modelAndView.addObject("page", page);
return modelAndView;
}
page工具类
public class Page {
private Integer totalCount;//总记录数
private Integer totalPageCount;//总页数
private Integer pageSize=3;//页面长度
private Integer beginIndex;//分页开始的位置
public Integer getTotalCount() {
return totalCount;
}
public void setTotalCount(Integer totalCount) {
this.totalCount = totalCount;
setTotalPageCount();
}
public Integer getTotalPageCount() {
return totalPageCount;
}
public void setTotalPageCount() {
if(totalCount%pageSize>0){
this.totalPageCount = totalCount/pageSize+1;
}else{
this.totalPageCount = totalCount/pageSize;
}
}
public Integer getPageSize() {
return pageSize;
}
public void setPageSize(Integer pageSize) {
this.pageSize = pageSize;
}
public Integer getBeginIndex() {
return beginIndex;
}
public void setBeginIndex(Integer beginIndex) {
this.beginIndex = beginIndex;
}
}
serviceImpl
public List<User> getUserListPage(Integer beginIndex, Integer pageSize) {
// TODO Auto-generated method stub
return mapper.getUserListPage(beginIndex, pageSize);
}
public Integer getUserCount() {
// TODO Auto-generated method stub
return mapper.getUserCount();
}
userMapper.java
public interface UserMapper {
List<User> getUserListPage(Integer beginIndex,Integer pageSize);
Integer getUserCount();
}
userMapper.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">
<mapper namespace="org.project.dao.user.UserMapper">
<select id="getUserListPage" resultType="User" parameterType="java.lang.Integer">
select * from user limit #{0},#{1}
</select>
<select id="getUserCount" resultType="java.lang.Integer">
select count(*) from user
</select>
</mapper>
还一个pojo,user表对应的数据库表的相关字段
