【 tulaoshi.com - Java 】
                             
                               下面我们开始建立留言的页面! 
<%@page 
 import ="java.util.*" 
 import ="java.text.*" 
 import="java.sql.*" 
 import ="java.io.*" 
 import ="java.lang.*" 
 contentType="text/html; charset=gb2312" 
% 
<% 
class CommentError// throws java.lang.NullPointerException 
{ public String Username="",Sex="",Address="",Postal="",Oicq="",Icq="",Tel="",Comment=""; 
 public boolean NoError=true;//false; 
 public int ErrorCount=0; 
 private boolean IsNumber(String s1) {} 
 public String font (String se) {} 
 public String Comment_Er(String se) {} 
 public void Username (String se) {} 
 public void Sex (String se) {} 
 public void Address (String se) {} 
 public void Comment (String se) {} 
 public void Tel (String se) {} 
 public void Postal (String se) {} 
 public void Oicq (String se) {} 
 public void Icq (String se) {} 
} 
class FormatComment 
{ public String Replace(String source, String oldString, String newString) {} 
 public String formatint(String se) {} 
 public String fromatcomment(String se) {} 
 public String toHtmlInput(String str) {} 
 public String toHtml(String str) {} 
 public String toSql(String str) {}//转换为可以加入Myqal的格式 
} 
% 
<html 
<head 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" 
<meta name="GENERATOR" content="Microsoft FrontPage 4.0" 
<meta name="ProgId" content="FrontPage.Editor.Document" 
<title使用MYsql数据库</title 
</head 
<body 
<p align="center"<center<font style="COLOR: blue; FONT-FAMILY: 方正舒体,华文行楷,隶书,宋体; FONT-SIZE: 16pt"萍慧jsp留言薄</font</center</p 
<p align="center" 
<%! String username,sex,address,post,oicq,icq,telnumber,comment,email,url.urltitle; 
% 
<% 
try{ username=request.getParameter("name"); 
 }catch (NullPointerException e){ username="";}                            
try{ comment=request.getParameter("comment"); 
 }catch (NullPointerException e){ comment="";}                            
try{ sex=request.getParameter("sex"); 
 }catch (NullPointerException e){ sex="";}                            
try{ address=request.getParameter("address"); 
 }catch (NullPointerException e){ address="";}                            
try{ post=request.getParameter("postal"); 
 }catch (NullPointerException e){ post="";}                            
try{ oicq=request.getParameter("oicq"); 
 }catch (NullPointerException e){ oicq="";}                            
try{ icq=request.getParameter("icq"); 
 }catch (NullPointerException e){ icq="";}