JAVA－字符串过滤类

package cn.com.hbivt.util;
/**
 *

Title:

 *
 *

Description:

 *
 *

Copyright: Copyright (c) 2005

 *
 *

Company:

 *
 * @author not attributable
 * @version 1.0
 */
public class StringUtils {
       //过滤通过页面表单提交的字符
       private static String[][] FilterChars={{"<","<"},{">",">"},{" "," "},{"/"","""},{"&","&"},
                                       {"/","/"},{"//","\"},{"/n","
"}};
       //过滤通过javascript脚本处理并提交的字符
       private static String[][] FilterScriptChars={{"/n","/'+/'//n/'+/'"},
                                                           {"/r"," "},{"//","/'+/'/'+/'"},
                                                                   {"/'","/'+/'///'/'+/'"}};

       /**
        * 用特殊的字符连接字符串
        * @param strings 要连接的字符串数组
        * @param spilit_sign 连接字符
        * @return 连接字符串
        */
       public static String stringConnect(String[] strings,String spilit_sign){
         String str="";
         for(int i=0;i           str+=strings[i]+spilit_sign;
         }
         return str;
       }

       /**
        * 过滤字符串里的的特殊字符
        * @param str 要过滤的字符串
        * @return 过滤后的字符串
        */
       public static String stringFilter(String str){
         String[] str_arr=stringSpilit(str,"");
         for(int i=0;i           for(int j=0;j             if(FilterChars[j][0].equals(str_arr[i]))
               str_arr[i]=FilterChars[j][1];
           }
         }
         return (stringConnect(str_arr,"")).trim();
       }

       /**
* 过滤脚本中的特殊字符（包括回车符(/n)和换行符(/r)）
* @param str 要进行过滤的字符串
* @return 过滤后的字符串
* 2004-12-21 闫
*/
public static String stringFilterScriptChar(String str){
 String[] str_arr=stringSpilit(str,"");
 for(int i=0;i   for (int j = 0; j < FilterScriptChars.length; j++) {
     if (FilterScriptChars[j][0].equals(str_arr[i]))
       str_arr[i] = FilterScriptChars[j][1];
   }
 }
 return(stringConnect(str_arr,"")).trim();
}

       /**
        * 分割字符串
        * @param str 要分割的字符串
        * @param spilit_sign 字符串的分割标志
        * @return 分割后得到的字符串数组
        */
       public static String[] stringSpilit(String str,String spilit_sign){
         String[] spilit_string=str.split(spilit_sign);
         if(spilit_string[0].equals(""))
         {
           String[] new_string=new String[spilit_string.length-1];
           for(int i=1;i             new_string[i-1]=spilit_string[i];
             return new_string;
         }
         else
           return spilit_string;
       }

       /**
        * 字符串字符集转换
        * @param str 要转换的字符串
        * @return 转换过的字符串
        */
       public static String stringTransCharset(String str){
         String new_str=null;
         try{
             new_str=new String(str.getBytes("iso-8859-1"),"GBK");
         }
         catch(Exception e){
           e.printStackTrace();
         }
         return new_str;
       }

       /**
        * 测试字符串处理类
        * @param args 控制台输入参数
        */
       public static void main(String[] args){

         //测试字符串过滤
         String t_str1="

StringDispose字符串  处理/n/r/'/"

";
         System.out.println("过滤前："+t_str1);
         System.out.println("过滤后："+StringUtils.stringFilter(t_str1));
         //测试合并字符串
         String[] t_str_arr1={"PG_1","PG_2","PG_3"};
         String t_str2=StringUtils.stringConnect(t_str_arr1,",");
         System.out.println(t_str2);
         //测试拆分字符串
         String[] t_str_arr2=StringUtils.stringSpilit(t_str2,",");
         for(int i=0;i           System.out.println(t_str_arr2[i]);
         }
       }
}