java项目中读取properties文件

这里的配置文件都放在src下面, System.properties的内容

exceptionMapping=exceptionMapping.properties
config=config.properties
sys.core=systemCore.properties
sys.boss=bossPort.properties

bossPort.properties的内容

#查询机场火车站sim卡剩余次数的服务
NgCallServiceURL=http://*.*.*6.*:5***0/esbWS/services/NgCallService
#用户基本信息
sQUserBaseURL=http://*.*.*6.*:5***0/esbWS/services/sQUserBaseL
#用户积分查询
S3979SrcQryURL=http://*.*.*6.*:5***0/esbWS/services/s3979SrcQry

读取properties配置文件的java类

import java.io.*;
import java.util.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class GlobalConfig {

    private static Log log;
    // system.properties是最根的配置文件,并且在src下面
    public static final String SYSTEM_PROPERTIES = "/system.properties";

    private static String propertiesStorePath;
    private static Map propertieMap;
    private static Map propertieFileMap;

    static {
        log = LogFactory.getLog(com.sinovatech.common.config.GlobalConfig.class);
        propertieMap = new HashMap();
        propertieFileMap = new HashMap();
        Properties properties = init("/system.properties");
        Iterator it = properties.keySet().iterator();
        propertiesStorePath = properties.getProperty("path");
        String name;
        Properties p;
        for (; it.hasNext(); propertieMap.put(name, p)) {
            name = (String) it.next();
            String file = properties.getProperty(name);
            file = file.trim();
            System.out.println();
            System.out.println("name     "+name+"     file       "+file);
            System.out.println();
            propertieFileMap.put(name, file);
            p = init("/" + file);
        }

    }

    public GlobalConfig() {
    }

    private static Properties init(String propertyFile) {
        Properties p = new Properties();
        try {
            log.info("Start Loading property file \t" + propertyFile);
            System.out.println("Start Loading property file \t" + propertyFile);
            p.load(com.sinovatech.common.config.GlobalConfig.class
                    .getResourceAsStream(propertyFile));
            log.info("Load property file success!\t" + propertyFile);
            System.out.println("Load property file success!\t" + propertyFile);
        } catch (Exception e) {
            e.printStackTrace();
            log.error("Could not load property file." + propertyFile, e);
        }
        return p;
    }

    public static String getProperty(String cls, String name) {
        Properties p = (Properties) propertieMap.get(cls);
        if (p != null)
            return p.getProperty(name);
        else
            return null;
    }

    public static boolean getBooleanProperty(String cls, String name) {
        String p = getProperty(cls, name);
        return "true".equals(p);
    }

    public static Integer getIntegerProperty(String cls, String name) {
        String p = getProperty(cls, name);
        if (p == null)
            return null;
        else
            return Integer.valueOf(p);
    }

    public static Long getLongProperty(String cls, String name) {
        String p = getProperty(cls, name);
        if (p == null)
            return null;
        else
            return Long.valueOf(p);
    }

    public static Double getDoubleProperty(String cls, String name) {
        String p = getProperty(cls, name);
        if (p == null)
            return null;
        else
            return Double.valueOf(p);
    }

    public static void store() {
    }

    public static void store(String cls) {
        Properties p = (Properties) propertieMap.get(cls);
        try {
            FileOutputStream fi = new FileOutputStream(new File(
                    (String) propertieFileMap.get(cls)));
            p.store(fi, "Modified time: " + Calendar.getInstance().getTime());
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}

测试GlobalConfig.java读取配置文件信息

public static void main(String[] args) {
        String requestUrl=GlobalConfig.getProperty("sys.boss","S3979SrcQryURL");
        System.out.println("\n"+requestUrl);
}

测试内容输入：

Start Loading property file     /system.properties
Load property file success!    /system.properties
name     sys.core     file       systemCore.properties
Start Loading property file     /systemCore.properties
Load property file success!    /systemCore.properties
name     exceptionMapping     file       exceptionMapping.properties
Start Loading property file     /exceptionMapping.properties
Load property file success!    /exceptionMapping.properties
name     sys.boss     file       bossPort.properties
Start Loading property file     /bossPort.properties
Load property file success!    /bossPort.properties
name     config     file       config.properties
Start Loading property file     /config.properties
Load property file success!    /config.properties
http://*.*.*6.*:5***0/esbWS/services/s3979SrcQry