读取web外的配置文件

1  import java.io.InputStream;
 2 import java.util.Properties;
 3    public class DealConnection {  
 4           private static String url = "";
 5           private static String user = "";
 6           private static String pwd = "";
 7           private static String connStr="";
 8  //构造方法
 9       public DealConnection() {
10           InputStream istr = DealConnection.class.getClassLoader().getResourceAsStream("/parse.properties");//获取classPath下面的配置文件
11           Properties p=new Properties();
12             p.load(istr);
13             istr.close();
14            //获取各个配置的值
15             url=p.getProperty("url").trim();
16             user=p.getProperty("user").trim();
17             pwd=p.getProperty("pwd").trim();
18             connStr=p.getProperty("connStr");
19    }
20 //数据库连接方法
21     public Connection openConn(){
22         Connection conn=null;
23         try {
24             Class.forName(connStr).newInstance();
25             conn = DriverManager.getConnection(url, user, pwd);
26         } catch (Exception e) {
27             e.printStackTrace();
28         }
29         return conn;
30     } 
31 }

public DealConnection() {
        String name=System.getProperty("user.dir");//得到的路径在tomcat/bin路径
        InputStream istr;
        try {
        istr = new FileInputStream(name + "/conf/parse.properties");//读取就是tomcat/bin/conf下的配置文件
        Properties p=new Properties();
            p.load(istr);
            istr.close();
            url=p.getProperty("url").trim();
            user=p.getProperty("user").trim();
            pwd=p.getProperty("pwd").trim();
            connStr=p.getProperty("connStr");
        } catch (Exception e) {
            e.printStackTrace();
        }

<!-- 属性文件的位置 -->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>classpath:jdbc.properties</value>
        </property>
    </bean>

<!-- 属性文件的位置 -->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>file:conf/jdbc.properties</value>
        </property>
    </bean>