applicationContext.xml和web.xml的一些配置

applicationContext.xml

<!-- test环境 -->
    <beans profile="test">
    
        <context:property-placeholder ignore-unresolvable="true"
            location="classpath*:config/jdbc.test.properties" />
                
        <!--阿里巴巴druid,高效、功能强大、可扩展性好,便于sql监控分析-->    
        <bean id="mysqlDataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">  
            <property name="url" value="${jdbc.url}" />  
            <property name="username" value="${jdbc.username}" />  
            <property name="password" value="${jdbc.password}" />  
            <!-- 配置初始化大小、最小、最大 -->
            <property name="initialSize" value="5" />
            <property name="minIdle" value="5" />
            <property name="maxActive" value="20" />
            <!-- 配置获取连接等待超时的时间 -->
            <property name="maxWait" value="60000" />
        
            <!--打开PSCache，并且指定每个连接上PSCache的大小 ，Oracle，把poolPreparedStatements配置为true，mysql可以配置为false。分库分表较多的数据库，建议配置为false-->
            <property name="poolPreparedStatements" value="false" />
            <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
        
            <!-- 开启Druid的监控统计功能 -->
            <property name="filters" value="stat,config" />
            <!-- 开启数据库密码解密-->
            <property name="connectionProperties" value="config.decrypt=${jdbc.decrypt};config.decrypt.key=${jdbc.publickey}" /> 
            </bean>    
        <!-- 数据源1配置, 使用Tomcat JDBC连接池 -->
        <!-- <bean id="mysqlDataSource" class="org.apache.tomcat.jdbc.pool.DataSource" destroy-method="close">
            Connection Info
            <property name="driverClassName" value="${jdbc.driver}" />
            <property name="url" value="${jdbc.url}" />
            <property name="username" value="${jdbc.username}" />
            <property name="password" value="${jdbc.password}" />
        
            Connection Pooling Info
            <property name="maxActive" value="${jdbc.pool.maxActive}" />
            <property name="maxIdle" value="${jdbc.pool.maxIdle}" />
            <property name="minIdle" value="0" />
            <property name="defaultAutoCommit" value="true" />
        </bean> -->
        
    </beans>

web.xml

<context-param>
        <param-name>spring.profiles.active</param-name>
        <param-value>test</param-value>
</context-param>

ServletContextListener:

https://my.oschina.net/bayuanqian/blog/160073

HttpSessionListener:

http://blog.csdn.net/vastskyjoe/article/details/4152661

package com.test.listenner;

import javax.servlet.http.HttpSessionEvent;

import javax.servlet.http.HttpSessionListener;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component
public class SessionListener implements HttpSessionListener {
    private static final Logger log = LoggerFactory.getLogger(SessionListener.class);
    
    @Override
    public void sessionCreated(HttpSessionEvent event) {
        log.info("session["+event.getSession().getId()+"]生效...");
    }

    @Override
    public void sessionDestroyed(HttpSessionEvent event) {
        
        log.info("session["+event.getSession().getId()+"]失效...");
    }
}

com.alibaba.druid.support.http.WebStatFilter

http://blog.csdn.net/lgh1117/article/details/48789927

阿里巴巴Sql监控

com.alibaba.druid.support.http.StatViewServlet

http://blog.csdn.net/supingemail/article/details/50809982

com.alibaba.druid.support.spring.stat.DruidStatInterceptor

http://blog.csdn.net/yinxiangbing/article/details/47905403