spring 3.1.0.M 注解MVC + filter + AOP + memcache + C3P0
导包，
spring 3.1的包全导了 + 依赖包 commons-logging-1.1.1.jar + servlet-api.jar
AOP需要的几个包 aopalliance.jar + aspectjrt.jar + aspectjweaver.jar + cglib-nodep-2.1_3.jar
memcache 需要的包 java_memcached-release_2.6.1.jar +依赖包 slf4j-api-1.6.1.jar + slf4j-simple-1.6.1.jar + commons-pool-1.5.6.jar
C3P0 需要的包 c3p0-0.9.1.2.jar 数据库包 mysql-connector-java-5.1.12-bin.jar
WEB.xml
<?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_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>springDemo</display-name>
<welcome-file-list>
<welcome-file>index.do</welcome-file>
</welcome-file-list>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/demo.xml</param-value>
</context-param>
<servlet>
<servlet-name>springContent</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/demo.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>springContent</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<filter>
<filter-name>DelegatingFilterProxy</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
<init-param>
<param-name>targetBeanName</param-name>
<param-value>filter_saveuserinfo</param-value>
</init-param>
<init-param>
<param-name>targetFilterLifecycle</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>DelegatingFilterProxy</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>
</web-app>
spring配置文件demo.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:aop="http://www.springframework.org/schema/aop" xmlns:cache="http://www.springframework.org/schema/cache" xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:jee="http://www.springframework.org/schema/jee" xmlns:jms="http://www.springframework.org/schema/jms" xmlns:lang="http://www.springframework.org/schema/lang" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:oxm="http://www.springframework.org/schema/oxm" xmlns:p="http://www.springframework.org/schema/p" xmlns:task="http://www.springframework.org/schema/task" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:util="http://www.springframework.org/schema/util" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd http://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-3.1.xsd http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-3.1.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd"> <context:annotation-config /> <context:component-scan base-package="com.netel" /> <aop:aspectj-autoproxy /> <!-- C3P0连接池配置 --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> <property name="driverClass" value="com.mysql.jdbc.Driver" /> <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/keyword_list" /> <property name="user" value="root" /> <property name="password" value="123456" /> </bean> <bean id="jdbc" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource" /> </bean> <!-- memcache缓存池 --> <bean id="memcachedPool" class="com.danga.MemCached.SockIOPool" factory-method="getInstance" init-method="initialize" destroy-method="shutDown"> <constructor-arg> <value>neeaMemcachedPool</value> </constructor-arg> <property name="servers"> <list> <value>127.0.0.1:12111</value> </list> </property> <property name="initConn"> <value>20</value> </property> <property name="minConn"> <value>10</value> </property> <property name="maxConn"> <value>50</value> </property> <property name="maintSleep"> <value>30000</value> </property> <property name="nagle"> <value>false</value> </property> <property name="socketTO"> <value>3000</value> </property> </bean> <!-- 缓存客服端 --> <bean id="memcachedClient" class="com.danga.MemCached.MemCachedClient"> <constructor-arg> <value>neeaMemcachedPool</value> </constructor-arg> </bean> </beans>
controller
package com.netel.web;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import com.danga.MemCached.MemCachedClient;
import com.netel.dao.GetKeyword;
@Controller
public class Controller_index {
@Resource(name="memcachedClient")
private MemCachedClient client;
@Resource(name="keyword_dao")
private GetKeyword dao;
public void setClient(MemCachedClient client) {
this.client = client;
}
public void setDao(GetKeyword dao) {
this.dao = dao;
}
@RequestMapping("/index.do")
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
ModelAndView v = new ModelAndView("index.jsp");
System.out.println("进入controller");
String tmp1 = "controller " + client;
String tmp2 = "controller " + dao.getAllData();
String tmp3 = "controller " +request.getParameter("name");
System.out.println(tmp1);
System.out.println(tmp2);
System.out.println(tmp3);
v.addObject("tmp1", tmp1);
v.addObject("tmp2", tmp2);
v.addObject("tmp3", tmp3);
return v;
}
}
filter
package com.netel.web;
import java.io.IOException;
import javax.annotation.Resource;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.springframework.stereotype.Component;
import com.danga.MemCached.MemCachedClient;
import com.netel.dao.GetKeyword;
@Component("filter_saveuserinfo")
public class Filter_saveUserInfo implements Filter {
@Resource(name="memcachedClient")
private MemCachedClient client;
@Resource(name="keyword_dao")
private GetKeyword dao;
public void setClient(MemCachedClient client) {
this.client = client;
}
public void setDao(GetKeyword dao) {
this.dao = dao;
}
/**
* Default constructor.
*/
public Filter_saveUserInfo() {
}
/**
* @see Filter#destroy()
*/
public void destroy() {
}
/**
* @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
System.out.println("进入filter\t"+ client + "\t" + dao);
chain.doFilter(request, response);
}
/**
* @see Filter#init(FilterConfig)
*/
public void init(FilterConfig fConfig) throws ServletException {
}
}
dao 随便写了查询方法
package com.netel.dao;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import javax.annotation.Resource;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.ResultSetExtractor;
import org.springframework.stereotype.Repository;
@Repository("keyword_dao")
public class GetKeyword_imple implements GetKeyword {
@Resource(name="jdbc")
private JdbcTemplate jdbc;
public void setJdbc(JdbcTemplate jdbc) {
this.jdbc = jdbc;
}
@Override
public HashMap<String, String> getAllData() {
String sql = "SELECT keyword, count( keyword ) as qty FROM keyword_list GROUP BY keyword ORDER BY qty DESC";
return (HashMap<String, String>) jdbc.query(sql, new ResultSetExtractor<HashMap<String, String>>(){
@Override
public HashMap<String, String> extractData(ResultSet rs)
throws SQLException, DataAccessException {
HashMap<String, String> map = new HashMap<String, String>();
while (rs.next()) {
map.put(rs.getString("keyword"), rs.getString("qty"));
}
return map;
}
});
}
}
AOP
package com.netel.service;
import javax.annotation.Resource;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;
import com.danga.MemCached.MemCachedClient;
import com.netel.dao.GetKeyword;
@Aspect
@Component
public class AOP_loginfo {
@Resource(name="memcachedClient")
private MemCachedClient client;
@Resource(name="keyword_dao")
private GetKeyword dao;
public void setClient(MemCachedClient client) {
this.client = client;
}
public void setDao(GetKeyword dao) {
this.dao = dao;
}
/**
* 所有带RequestMapping注解的方法
*/
private final static String el = "@annotation(org.springframework.web.bind.annotation.RequestMapping)";
@Before(el)
public void before() {
System.out.println("before\t" + client + "\t" + dao);
}
@After(el)
public void after() {
System.out.println("after\t" + client + "\t" + dao);
}
@Around(el)
public Object around(ProceedingJoinPoint p) {
for (Object obj : p.getArgs()) {
System.out.println("参数:" + obj);
}
Object ob = null;
try {
System.out.println("around前\t" + client + "\t" + dao);
ob = p.proceed();
System.out.println("around后\t" + client + "\t" + dao);
} catch (Throwable e) {
e.printStackTrace();
}
return ob;
}
@AfterThrowing(value = el, throwing="e")
public void throwing(Exception e){
System.out.println("出异常了" + client + "\t" + dao + e);
}
}
index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" isELIgnored="false"%>
<!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>
wca..........<br>
${tmp1 }<br>
${tmp2 }<br>
${tmp3 }<br>
<%=request.getAttribute("tmp1") %> <br>
<%=request.getAttribute("tmp2") %> <br>
<%=request.getAttribute("tmp3") %> <br>
</body>
</html>
发布。运行。控制台输出
进入filter com.danga.MemCached.MemCachedClient@e6529c com.netel.dao.GetKeyword_imple@1399ae5
before com.danga.MemCached.MemCachedClient@e5f1d com.netel.dao.GetKeyword_imple@1869929
参数:org.apache.catalina.connector.RequestFacade@1b15387
参数:org.apache.catalina.connector.ResponseFacade@e2da7a
around前 com.danga.MemCached.MemCachedClient@e5f1d com.netel.dao.GetKeyword_imple@1869929
进入controller
controller com.danga.MemCached.MemCachedClient@e5f1d
controller {3=6, 2=4, AA=1, 1=11, 111=1, 4=1, ä¸=3}
controller null
after com.danga.MemCached.MemCachedClient@e5f1d com.netel.dao.GetKeyword_imple@1869929
around后 com.danga.MemCached.MemCachedClient@e5f1d com.netel.dao.GetKeyword_imple@1869929
index.jsp页面输出
wca..........
controller com.danga.MemCached.MemCachedClient@e5f1d
controller {3=6, 2=4, AA=1, 1=11, 111=1, 4=1, ä¸=3}
controller null
controller com.danga.MemCached.MemCachedClient@e5f1d
controller {3=6, 2=4, AA=1, 1=11, 111=1, 4=1, ä¸=3}
controller null
改变URL地址
http://localhost:8080/AnnotationDemo/index.do?name=aaaJSP页面
wca..........
controller com.danga.MemCached.MemCachedClient@e5f1d
controller {3=6, 2=4, AA=1, 1=11, 111=1, 4=1, ä¸=3}
controller aaa
controller com.danga.MemCached.MemCachedClient@e5f1d
controller {3=6, 2=4, AA=1, 1=11, 111=1, 4=1, ä¸=3}
controller aaa
完成。。