分隔符

【1】单个符号作为分隔符
       String address="上海|上海市|闵行区|吴中路";
     String[] splitAddress=address.split("\\|"); //如果以竖线为分隔符,则split的时候需要加上两个斜杠【\\】进行转义
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    
         String address="上海*上海市*闵行区*吴中路";
     String[] splitAddress=address.split("\\*");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    
        String address="上海:上海市:闵行区:吴中路";
     String[] splitAddress=address.split("\\:");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);

         String address="上海.上海市.闵行区.吴中路";
     String[] splitAddress=address.split("\\.");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    
       String address="上海^上海市^闵行区^吴中路";
     String[] splitAddress=address.split("\\^");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    

         String address="上海@上海市@闵行区@吴中路";
     String[] splitAddress=address.split("@");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    
    String address="上海,上海市,闵行区,吴中路";
     String[] splitAddress=address.split(",");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);


    【2】多个符号作为分隔符
      String address="上海^上海市@闵行区#吴中路";
     String[] splitAddress=address.split("\\^|@|#");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    

***************************格式 小提示***************************************************
 String address = new String("192.168.13.240");
        String[] str = address.split("\\.");
        for(String s : str){
            System.out.println(s);
        }

输出格式:
192
168
13
240
System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);

输出格式:上海上海市闵行区吴中路
*****************************************************************

总结:(1)split表达式,其实就是一个正则表达式。*  ^ | 等符号在正则表达式中属于一种有特殊含义的字符,如果使用此种字符作为分隔符,必须使用转义符即\\加以转义。
          (2)如果使用多个分隔符则需要借助 | 符号,如【2】所示,但需要转义符的仍然要加上分隔符进行处理。

posted @ 2015-04-30 11:02  elice丹  阅读(581)  评论(0编辑  收藏  举报