JSP工程中的读配置文件方法

 

代码

   
     

    
      package
    
       com.vmm.config;


    
      import
    
       java.io.IOException;

    
      import
    
       java.io.InputStream;

    
      import
    
       java.util.Properties;




    
      public
    
       
    
      class
    
       Config {
 
    
      private
    
       
    
      static
    
       String CONFIG_FILE_PATH 
    
      =
    
       
    
      "
    
      /config.properties
    
      "
    
      ;
 
    
      private
    
       
    
      static
    
       Config inst;
 
    
      private
    
       String ip;
 
    
      private
    
       
    
      int
    
       port;
 
    
      private
    
       Config(){
 init();
 }
 
    
      public
    
       
    
      static
    
       Config getInstance(){
 
    
      if
    
      (inst
    
      ==
    
      null
    
      ){
 inst
    
      =
    
      new
    
       Config();
 }
 
    
      return
    
       inst;
 }
 
    
      private
    
       
    
      void
    
       init(){
 System.out.println(
    
      "
    
      init//////////
    
      "
    
      );
 InputStream in
    
      =
    
      getClass().getResourceAsStream(CONFIG_FILE_PATH);
 Properties pro
    
      =
    
       
    
      new
    
       Properties();
 
    
      try
    
       {
 pro.load(in);
 in.close();
 } 
    
      catch
    
       (IOException e) {
 
    
      //
    
       TODO Auto-generated catch block
    
      

    
       e.printStackTrace();
 }
 
 ip
    
      =
    
      pro.getProperty(
    
      "
    
      ip
    
      "
    
      );
 port
    
      =
    
      Integer.parseInt(pro.getProperty(
    
      "
    
      port
    
      "
    
      ));
 
 }
 
    
      public
    
       String getIP(){
 
    
      return
    
       ip;
 }
 
    
      public
    
       
    
      int
    
       getPort(){
 
    
      return
    
       port;
 }
}

   
     

config.properties放在src根目录下