读取spring properties 文件属性;

http://www.oschina.net/code/snippet_1760858_54923

<?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: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-3.2.xsd">
    <context:annotation-config></context:annotation-config> 
    <context:component-scan base-package="annotation.*" >
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Service"/>
    </context:component-scan>
<!--     <context:property-placeholder location="classpath:/readProperties/jdbc.properties"/> -->
    <bean  id="propertyConfigurer"  class="readProperties.com.util.PropertyUtil">
        <property name="location" value="classpath:/readProperties/jdbc.properties"/>
    </bean>
</beans>
<!--             配置多个文件读取方式 -->
<!--     <bean id="propertyConfigurer" class="com.common.util.PropertyUtil"> -->
<!--         <property name="locations"> -->
<!--             <list> -->
<!--                 <value>classpath*:/jdbc.properties</value> -->
<!--                 <value>classpath*:/url.properties</value> -->
<!--                 <value>classpath*:/sms.properties</value> -->
<!--                 <value>classpath*:/email.properties</value> -->
<!--             </list> -->
<!--         </property> -->
<!--     </bean> -->

jdbc.properties    

connection.driverclass=com.mysql.jdbc.Driver
##connection.url=jdbc\:mysql\://10.142.12.208\:3306/InvFinAdmin?useUnicode\=true&characterEncoding\=UTF-8
connection.url=jdbc\:mysql\://127.0.0.1\:3306/play?useUnicode\=true&characterEncoding\=UTF-8
connection.username=root
##connection.password=2a4c094bbb588e8169
connection.password=123456
connection.initialPoolSize=5
connection.minPoolSize=2
connection.maxPoolSize=10

package readProperties.com.util;
 
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
 
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
 
public class PropertyUtil extends PropertyPlaceholderConfigurer{
     
  public static Map<String, Object> ctxPropertiesMap;
    @Override
    protected void processProperties(ConfigurableListableBeanFactory beanFactoryToProcess,Properties props) throws BeansException {
        super.processProperties(beanFactoryToProcess, props);
        ctxPropertiesMap = new HashMap<String, Object>();
        for (Object key : props.keySet()) {
            String keyStr = key.toString();
            String value = props.getProperty(keyStr);
            ctxPropertiesMap.put(keyStr, value);
        }
    }
    public static Object getContextProperty(String name) {
        return ctxPropertiesMap.get(name);
    }
 
}

Main-测试   

package readProperties;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import readProperties.com.util.PropertyUtil;
public class TestReadProperties {
     
    @Test
    public  void testReadProperties(){
        ApplicationContext ctx=new ClassPathXmlApplicationContext("classpath:readProperties/read-properties-spring-config.xml");        
         System.out.println("--------------");
         for(String key: PropertyUtil.ctxPropertiesMap.keySet()){
             System.out.println("key=="+key+"---value:"+PropertyUtil.ctxPropertiesMap.get(key));
         }          
    }
}