transcode.java

这个是j2eejava web 编程精要十五讲的全部源码。对学习java web编程的人来说是很能得的资料

package foton.util;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

import java.io.*;
import java.sql.Timestamp;

public class transCode {
  public transCode() {
  }

   public String transNull(String para){

            if(para==null) para=" ";

            return para;
     }

// Turn ISO8859_1 into GB2312
    /* public String transCode(String para){
            try{
          if(para==null)para=" ";
          else para=new String(para.getBytes("ISO8859_1"),"GB2312");
         }catch(java.io.UnsupportedEncodingException e){System.out.println(e);}

          return para;
               }

    //Turn  GB2312 into ISO8859_1
    public String retransCode(String para){
            try{
          if(para==null)para=" ";
          else para=new String(para.getBytes("GB2312"),"ISO8859_1");
         }catch(java.io.UnsupportedEncodingException e){System.out.println(e);}

          return para;
               }
    */
  //Turn  GB2312 into ISO8859_1
   public String transCode(String para){
            try{
          if(para==null||para.equals(""))para=" ";
          else para=new String(para.getBytes("ISO8859_1"));
			}
         catch(java.io.UnsupportedEncodingException e){System.out.println(e);}

          return para;
               }

    //Turn ISO8859_1 into GB2312
    public String retransCode(String para){
            try{
         if(para==null||para.equals(""))para=" ";
          else para=new String(para.getBytes("GB2312"));

         }catch(java.io.UnsupportedEncodingException e){System.out.println(e);}

          return para;
               }


     public Timestamp setTimestamp(String Str)
             {
               Timestamp time = null;
               try{
                 time = java.sql.Timestamp.valueOf(Str);
               }catch(Exception e){
                 System.out.println("getTimestamp error:"+e);
               }
               return time;
             }

  }