doit.java

关于论坛的用jsp开发具有删除回复

package dbcon;
import java.util.*;
import java.text.*;
import java.io.*; 
import javax.servlet.*;
import javax.servlet.http.*;
public class doit{
//---Changecode-------------------
public String changecode(String strMystring){
String strEncoded="";

byte[] tmpbyte;
try{
    tmpbyte=strMystring.getBytes("ISO8859_1");
    strEncoded=new String(tmpbyte);
   }catch(Exception e){
            }
  return strEncoded;

 }

public String strNowtime(){
String dateString="123";
try{
java.text.SimpleDateFormat formatter= new SimpleDateFormat ("yyyy-MM-dd hh:mm:ss");
java.util.Date currentTime_1 = new Date();
dateString = formatter.format(currentTime_1);
}catch(Exception e){
     }
 return dateString;
 } 
//----Replace the illegle byte--------------
public String replace(String name,boolean title) throws Exception{
         StringBuffer sb = new StringBuffer();
		 name=name.trim();
       //  if (name.indexOf("'")>=0||name.indexOf("&")>=0||name.indexOf("<")>=0||name.indexOf(">")>=0||name.indexOf("\"")>=0){
            for( int i=0; i<name.length(); i++ ) {
                char ch = name.charAt(i);
                switch (ch){
				    case 13:
					     sb.append("<br>");
						 break;
				    //case 32:
					   //  sb.append("&nbsp;");
						// break;
                    case 34:
                         sb.append("&quot;");
                         break;
                    case 39:
                       if(title==true){    //if it's title
					    sb.append("&quot;");
					   }else{
					    sb.append("''");
					    }
                       break;
                    case 38:
                       sb.append("&amp;"); 
                       break;
                    case 60:
                       sb.append("&lt;");
                       break;
                    case 62:
                       sb.append("&gt;");
                       break;
                    default :
                       sb.append(ch);
                       break;
                                       
                }
              }
            return sb.toString();
 
        
    } 

public void writetofile(String strOutput,String strTofilename){
 
//always give the path from root. This way it almost always works. 
String nameOfTextFile = "c:/prj"+strTofilename; 
try { 
PrintWriter pw = new PrintWriter(new FileOutputStream(nameOfTextFile)); 
pw.println(strOutput); 
//clean up 
pw.close(); 
} catch(IOException e) { 
System.err.println(e.getMessage()); 

                      } 



 }
 
public String toChinese(String s){
        if(s == null)
            return null;
        try{
            String convert = new String(s.getBytes("ISO8859_1"), "GB2312");
            return convert;
        }catch(Exception e){}
        return null;
    }
	



public  void valueBound(HttpSessionBindingEvent event) {
try {

System.out.println("OOOOOOOOOOOOOKKKKKKKKKKKKKKK"); } catch(Exception e) {}
}




 
}