??xml version="1.0" encoding="utf-8" standalone="yes"?>欧美日韩一区国产,日韩欧美一二三,欧美14一18处毛片http://www.aygfsteel.com/rkind/category/4179.html<font size=5 align=right>知h者智 自知者明 Fighting!!</font>zh-cnWed, 28 Feb 2007 07:51:03 GMTWed, 28 Feb 2007 07:51:03 GMT60js单入?/title><link>http://www.aygfsteel.com/rkind/archive/2006/10/26/77374.html</link><dc:creator>rkind</dc:creator><author>rkind</author><pubDate>Thu, 26 Oct 2006 04:09:00 GMT</pubDate><guid>http://www.aygfsteel.com/rkind/archive/2006/10/26/77374.html</guid><wfw:comment>http://www.aygfsteel.com/rkind/comments/77374.html</wfw:comment><comments>http://www.aygfsteel.com/rkind/archive/2006/10/26/77374.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/rkind/comments/commentRss/77374.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/rkind/services/trackbacks/77374.html</trackback:ping><description><![CDATA[ <p> <strong>1、插入和包含</strong> <br />   1Q   js,一般都攑֜head之间、注释的作用是当客户端浏览器版本q低Ӟ不能识别而发生错?br /><font size="2"><font face="Verdana"><span style="COLOR: #0000ff"><</span><span style="COLOR: #800000">script </span><span style="COLOR: #ff0000">language</span><span style="COLOR: #0000ff">="JavaScript"</span><span style="COLOR: #0000ff">></span></font></font><span style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"><br /></span><font size="2"><font face="Verdana"><span style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"><!--</span></font></font><span style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"><br /><font face="Verdana" size="2">document.write( </font></span><font size="2"><font face="Verdana"><span style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</span><span style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5"><font color="#000000">Hello</font> World!</span><span style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">"</span></font></font><font size="2"><font face="Verdana"><span style="COLOR: #000000; BACKGROUND-COLOR: #f5f5f5">);<br /></span><span style="COLOR: #008000; BACKGROUND-COLOR: #f5f5f5">//</span><span style="COLOR: #008000; BACKGROUND-COLOR: #f5f5f5">--></span></font></font><span style="COLOR: #008000; BACKGROUND-COLOR: #f5f5f5"><br /></span><font size="2"><font face="Verdana"><span style="COLOR: #0000ff"></</span><span style="COLOR: #800000">script</span><span style="COLOR: #0000ff">><br /><font color="#000000"><font size="3"> 2Q另外你也可以编?js文gQ然后在面里面直接引用可以了</font><br /></font><head><br /><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><br /><title>javascript</title><script language="javascript"src="Untitled-2.js"></script></span></font></font><font size="2"><font face="Verdana"><span style="COLOR: #0000ff"></head><br /><hr /></span></font></font></p> <p> </p> <strong>2、write</strong> <br />  在js中要昄字符Q需要用document.write()的Ş式,writeln区别是再write的基上加入了换行<br /><hr /> 3、如?br />document.write("Hello World!");<br />document.write("test"+document.lastModified);<br />document.bgColor = " black " <br />其中Qdocument是对象,write是method,输出字符可以用加的Ş式,,可以在js里面讑֮面的背?br /><hr /> 4、提C框<br />   1Qwindow.alert("testtesttest")<br />    弹出H口<br />   2Qwindow.confirm("test")<br />   3)有输入框的提C框<br />        window.prompt("test")<br />一不小心双M标签了,写的全都没了Q!Q后面的不写了,写js时一定要注意“” ?’号的运用!<br /><br />js的功能是强大的,q用q是要靠脑筋的,<img src ="http://www.aygfsteel.com/rkind/aggbug/77374.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/rkind/" target="_blank">rkind</a> 2006-10-26 12:09 <a href="http://www.aygfsteel.com/rkind/archive/2006/10/26/77374.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>实现在jsp中的文g下蝲http://www.aygfsteel.com/rkind/archive/2006/02/21/31810.htmlrkindrkindTue, 21 Feb 2006 07:58:00 GMThttp://www.aygfsteel.com/rkind/archive/2006/02/21/31810.htmlhttp://www.aygfsteel.com/rkind/comments/31810.htmlhttp://www.aygfsteel.com/rkind/archive/2006/02/21/31810.html#Feedback0http://www.aygfsteel.com/rkind/comments/commentRss/31810.htmlhttp://www.aygfsteel.com/rkind/services/trackbacks/31810.html遇到的问题有Q?BR>      1中文文g名的问题?BR>
      2文g没有下蝲提示直接打开Q包括rar的?BR>
p么两个小问题却让我花了三天的旉Q不得不汗一下我的效率?BR>
      首先来说中文链接的问题,tomcat默认是不支持中文URL的,但是可以在Sever.xml中把 Connector 的属性加上一条:(x)   URIEncoding="GBK"Q然后在传递之前,链接的中文还要先encode一?BR>例如Qjava.net.URLEncoder.encodeQ“测?txt”)(j);   q样中文׃(x)变成QDQF之类的,M可以正怼递了?BR>      而关于点?yn)L件直接就打开了是比较郁闷Q查找了些资料,也试了网上的一些方法,一直不?BR>Q最后采用的文g的方式Q才利解决。代码大致如下:(x)


while(rs.next()){
  try{
  OutputStream o=response.getOutputStream();
  byte b[]=new byte[500];
  filename=rs.getString("filename");//rs.Z数据库查扑ֈ的结果集
  filename=java.net.URLEncoder.encode(filename).trim();
  File file=new File("d:/upload/20060221/",rs.getString("filename"));
  //
  response.setHeader("Content-Disposition","attachment; filename="+filename); 
  response.setContentType("APPLICATION/OCTET-STREAM");
     long fileLength=file.length();
     String length=String.valueOf(fileLength);
     response.setHeader("Content_Length",length);
     java.io.FileInputStream in = new java.io.FileInputStream(file);
  int n=0;
   while ((n=in.read(b)) != -1) {
     o.write(b,0,n);
   }
   in.close();
  o.close();
  }catch(Exception e){
   System.out.print(e);
  }
 }
 rs.close();
       
q样的话Q中英文文g都能正常下蝲q用,但是中文文g用Ie直接下蝲下来后文件名q是qQ用下蝲工具则一切正常?img src ="http://www.aygfsteel.com/rkind/aggbug/31810.html" width = "1" height = "1" />

rkind 2006-02-21 15:58 发表评论
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用图片做submit提交http://www.aygfsteel.com/rkind/archive/2006/01/04/26546.htmlrkindrkindWed, 04 Jan 2006 05:58:00 GMThttp://www.aygfsteel.com/rkind/archive/2006/01/04/26546.htmlhttp://www.aygfsteel.com/rkind/comments/26546.htmlhttp://www.aygfsteel.com/rkind/archive/2006/01/04/26546.html#Feedback0http://www.aygfsteel.com/rkind/comments/commentRss/26546.htmlhttp://www.aygfsteel.com/rkind/services/trackbacks/26546.html<form action="submit_1.html" method=post>
<input type=image src="exa.gif" name="sub1">
</form>

是q简?/P>

rkind 2006-01-04 13:58 发表评论
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滚动公告栏的实现http://www.aygfsteel.com/rkind/archive/2005/11/02/17751.htmlrkindrkindWed, 02 Nov 2005 00:43:00 GMThttp://www.aygfsteel.com/rkind/archive/2005/11/02/17751.htmlhttp://www.aygfsteel.com/rkind/comments/17751.htmlhttp://www.aygfsteel.com/rkind/archive/2005/11/02/17751.html#Feedback0http://www.aygfsteel.com/rkind/comments/commentRss/17751.htmlhttp://www.aygfsteel.com/rkind/services/trackbacks/17751.html滚动公告栏的实现
用到如下html标签Q?BR> 《MARQUEE id=mar onmouseout=this.start(); direction=up height=150 name="mar"
           onmouseover="this.stop();" scrollAmount="1" scrollDelay="0"
           style="LINE-HEIGHT: 100%; PADDING-LEFT: 0px; PADDING-RIGHT:0px"width="100%">
      1净化社?x)环?BR>
2也是净化社?x)^步青?BR>
3净化社?x)环?BR>
4也是净化社?x)^步青?BR>
5净化社?x)环?BR>
6也是净化社?x)^步青?BR>
7净化社?x)环?BR>
8也是净化社?x)^步青?/SPAN>

   

其中marquee中h(hun)eight中的属性可以更Ҏ(gu)ơ显C的行数Q…?/P> 1净化社?x)环?BR>2也是净化社?x)^步青?BR>3净化社?x)环?BR>4也是净化社?x)^步青?BR>5净化社?x)环?BR>6也是净化社?x)^步青?BR>7净化社?x)环?BR>8也是净化社?x)^步青?/SPAN>

rkind 2005-11-02 08:43 发表评论
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解决JSP中rs.getString Q)(j)的换行问题及(qing)当一行中文过长时撑开表格的问?http://www.aygfsteel.com/rkind/archive/2005/10/27/17025.htmlrkindrkindThu, 27 Oct 2005 05:04:00 GMThttp://www.aygfsteel.com/rkind/archive/2005/10/27/17025.htmlhttp://www.aygfsteel.com/rkind/comments/17025.htmlhttp://www.aygfsteel.com/rkind/archive/2005/10/27/17025.html#Feedback0http://www.aygfsteel.com/rkind/comments/commentRss/17025.htmlhttp://www.aygfsteel.com/rkind/services/trackbacks/17025.html最q用JSP做新d布时发现Q用rs.getString()获得的字W串里面I格和换行都表现不出来,

先分析原因,我用的是Mysql数据库,新闻内容采用的是TextcdQ查看数据库中上传的新闻发现里面换行和空格都能表现出来,q就说明Q肯定是用Rs.getstring时显C的问题Q先查看了Java.sql.*的Api想用别的GetҎ(gu)Q试了几个结果都不行Q?/FONT>

|上也有q样cM的问题,但大多是在Servlet里面或者Bean里面专门的做一个函数解决的Q我觉得q样做很复杂

最后终于找C的解x法,在调用Rs.getstring的页面里面的表格中加入style="word-break:break-all"

q用<pre>rs.getString()<>标签来显C就解决了换行的问题。其?STRONG><pre></pre>q句话一定不能少

然而加入这些以后,当一行内容过长时Q表g然会(x)被撑开Q需要在表格胡Style属性修Ҏ(gu)style="table-layout: fixed; word-wrap: break-word" q样才能真正解决中文撑开表格的问题?/STRONG>




rkind 2005-10-27 13:04 发表评论
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解决当FORM的ENCTYPE="multipart/form-data" 时request.getParameter()获取不到值的Ҏ(gu) http://www.aygfsteel.com/rkind/archive/2005/10/27/17019.htmlrkindrkindThu, 27 Oct 2005 05:01:00 GMThttp://www.aygfsteel.com/rkind/archive/2005/10/27/17019.htmlhttp://www.aygfsteel.com/rkind/comments/17019.htmlhttp://www.aygfsteel.com/rkind/archive/2005/10/27/17019.html#Feedback0http://www.aygfsteel.com/rkind/comments/commentRss/17019.htmlhttp://www.aygfsteel.com/rkind/services/trackbacks/17019.html今天在原来上传文仉面的基础上,x加一D|件的?/P>

因ؓ(f)同时要上传文Ӟ所以ENCTYPE="multipart/form-data" 必须要加在form里面

可是q样的话Q我再servlet里面用request.getParameter()Ҏ(gu)无论如何都只是获得null|

不是一般的郁闷Q百度了一下,有h出现了同L(fng)问题可是它用的是jspsmartuploadlg实现文g上传的,

而我用的commons fileuploadlgQ仔l看了一下这个组件的apiQ可是英语太差了Q没有发现相关的信息

我又试用session传递参敎ͼ可是发现有点ȝ(ch)Q因为在表单提交之时你就得赋lsession表单上它的数|

q似乎要javascriptQ可是偶也不?x)?/P>

后来只有google了,搜烦(ch)了一些中文网,也没有找到资料,试试不限制语aQ呵呵呵Q一大片Q后来被俺发

Cq个

I cannot read the submitter using request.getParameter("submitter") (it returns null). ]

Situation:

javax.servlet.HttpServletRequest.getParameter(String) returns null when the ContentType is multipart/form-data

Solutions:

Solution A:

1. download http://www.servlets.com/cos/index.html
2. invoke getParameters() on com.oreilly.servlet.MultipartRequest

Solution B:

1. download http://jakarta.apache.org/commons/sandbox/fileupload/
2. invoke readHeaders() in 
org.apache.commons.fileupload.MultipartStream

Solution C:

1. download http://users.boone.net/wbrameld/multipartformdata/
2. invoke getParameter on 
com.bigfoot.bugar.servlet.http.MultipartFormData

Solution D:

Use Struts. Struts 1.1 handles this automatically.
说是不详l,接着往下看Q另一U解x?/PRE>
> Solution B:
> 1. download
> http://jakarta.apache.org/commons/sandbox/fileupload/
> 2. invoke readHeaders() in
> org.apache.commons.fileupload.MultipartStream

The Solution B as given by my dear friend is a bit hectic and a bit complex :(
We can try the following solution which I found much simpler (at least in usage).

1. Download one of the versions of UploadFile from http://jakarta.apache.org/commons/fileupload/
2. Invoke parseRequest(request) on org.apache.commons.fileupload.FileUploadBase which returns list of org.apache.commons.fileupload.FileItem objects.
3. Invoke isFormField() on each of the FileItem objects. This determines whether the file item is a form paramater or stream of uploaded file.
4. Invoke getFieldName() to get parameter name and getString() to get parameter value on FileItem if it's a form parameter. Invoke write(java.io.File) on FileItem to save the uploaded file stream to a file if the FileItem is not a form parameter.

按照上面的步骤来Q果然一切都okQGQOQLQ真不错Q主要是getFieldName和getStringQ?/PRE>
虽然说这U做法有一炚w?ch),但稍微判断加工一下,L获取不到?BR>


rkind 2005-10-27 13:01 发表评论
]]>用servlet实现d注册功能旉到的问题和解x?http://www.aygfsteel.com/rkind/archive/2005/10/27/17011.htmlrkindrkindThu, 27 Oct 2005 04:56:00 GMThttp://www.aygfsteel.com/rkind/archive/2005/10/27/17011.htmlhttp://www.aygfsteel.com/rkind/comments/17011.htmlhttp://www.aygfsteel.com/rkind/archive/2005/10/27/17011.html#Feedback0http://www.aygfsteel.com/rkind/comments/commentRss/17011.htmlhttp://www.aygfsteel.com/rkind/services/trackbacks/17011.html今天在用java实现q程q接mysql数据库后,我打做一个用servlet实现d注册功能Q?/P>

q_是xp+mysql+tomcat4

从网上搜了一?从一叫::::<<<Servlet学习(fn)W记(?-----使用Servlet处理用户注册和登?gt;>

中搜C一些源代码,它有两个html面:分别是login.html和register.html

然后分别调用了两个servlet:LoginForm.java用来实现用户和密码的验证,

和RegisterForm.java用来实现注册,住数据库中添加字D?/SPAN>

׃加蝲的jdbc驱动不同,我加载的是mm.mysql-2.0.4-bin.jarE微做了修改

遇到的问?/FONT>

1,l的源码中login面中的按纽用的是图片,我都把其换成按纽Q可是蟩转到reigster面的按钮点?yn)L没有M反应Q换了Nơ链接地址后,q是不管用,于是把type换成文字l果OQ了Q用dreamweaver打开以后发现在表单里button只有提交和重|的功能Q而不能用来实现链接页面,

q说明我的html知识太过匮乏Q因Z要做的是servletQ就凑合着用吧Q以后还得加强html的学?/SPAN>

Q在配置好web.xml后,发现点击submit跌{到正的urlQ但是servletq没有vM作用Q?/SPAN>

q时有点困惑Q不知道从什么地方入手,q是先修改servlet加点print看看执行到哪一步才出的问题Q?/SPAN>

可是加入以后在ie中还是没有反应,后来才想hprint应该是在tomcat的窗口中输出Q一看exception

是连接数据库p|Q可是连接没有问题,q点我比较肯定,那肯定是tomcat的jdbc驱动没有加蝲

于是把mm.mysql-2.0.4-bin.jar拷到tomcat目录下comman/lib目录下,

一试数据库没问题了,但是抛出一个nullpointer的异常,(g)查了一下解决了

在这ơ做的过E中发现自己的基知识相当~ZQ尤其是html和sql语句Q以后要加强学习(fn)Q同时感觉自己效率太低了Q?/SPAN>



rkind 2005-10-27 12:56 发表评论
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用jsp+javabean实现用户注册和查看的功能 http://www.aygfsteel.com/rkind/archive/2005/10/27/17012.htmlrkindrkindThu, 27 Oct 2005 04:56:00 GMThttp://www.aygfsteel.com/rkind/archive/2005/10/27/17012.htmlhttp://www.aygfsteel.com/rkind/comments/17012.htmlhttp://www.aygfsteel.com/rkind/archive/2005/10/27/17012.html#Feedback0http://www.aygfsteel.com/rkind/comments/commentRss/17012.htmlhttp://www.aygfsteel.com/rkind/services/trackbacks/17012.html本文主要参考了,JSP+javabean循序渐进

开发^?winxp+tomcat4+mysql+javabean

在实现在了用servlet注册q有d以后Q打做一个注册页?/P>

首先创徏一个表Qusername VARCHAR2(20) 用户?
password VARCHAR2(20) 密码
email VARCHAR2(30) Email地址
homepage VARCHAR2(50) 主页
signs VARCHAR2(200) {֐
regtime DATE 注册时   Q/q个date我没有实?/P>

主要有三个jsp面Q?/P>

addnewuser.jspQ主要用来实现注册用L(fng)界面Q?/P>

doadduser.jsp 实现填加到数据库中的具体功能

listuser.jsp 来实现显C所有用户信?/P>

两个beanQ?/P>

db.java实现数据库的操作Q主要有两个Ҏ(gu)public ResultSet executeQuery(sql)q回rs用来q行记录的查?/P>

public boolean executeUpdate(String sql)用来q行记录的更?/P>

adduser.javal承了dbcȝ来提供所需更新和查询的sql语句;

我直接调用原文的代码时后发现调用了span什么,不太懂,而且有很多字W不对,所以调试时的问题基本上都是html代码的问?q是一个仅有基本功能,很多斚wq需q一步完善,比如实现注册旉Q虽然这不难Q可是我q没看util.date和sql.date 区别Q,email地址的识别,q登录都没有做 Q)(j) Q我发现Zq种beanl构的功能很吸引人,比servlet要好Q肤之?/P>

源码如下Qdb.java

package rkind;
import java.net.*;
import java.sql.*;
import java.lang.*;
import java.io.*;
import java.util.*;
public class db {
//成员变量初始?
Connection conn = null; //数据库连?
ResultSet rs = null; //记录?
String Username=""; //用户?
String Password=""; //密码
String Email=""; //email
String Homepage=""; //主页
String Signs=""; //{֐
String url="jdbc:mysql://172.20.0.73/rk";

//db的构建器
public db() {
 try {
//注册数据库驱动程序ؓ(f)Oracle驱动
  String name="org.gjt.mm.mysql.Driver";
  Class.forName(name);
  conn = DriverManager.getConnection(url,"root","你的密码");
  System.out.println("success");
  }
 catch(Exception e) {
//q样写是Z方便调试E序Q出错打印mydb()q道在什么地方出错了
  System.err.println("mydb(): " + e.getMessage());
  
 }
 }

//executeQueryҎ(gu)用于q行记录的查询操?

//入口参数为sql语句Q返回ResultSet对象
 public ResultSet executeQuery(String sql) {
  rs = null;
  try {
//建立数据库连接,使用Oracle的一Uthinq接方式QdemoZ机名字,demodb为数据库Q后面的两个
//demo为用户名和密?
  
  
  Statement stmt = conn.createStatement();
//执行数据库查询操?
  rs = stmt.executeQuery(sql);
  }
  catch(SQLException ex) {
   System.err.println("db.executeQuery: " + ex.getMessage());
  }
  return rs;
 }
//executeUpdateҎ(gu)用于q行add或者update记录的操?

//入口参数为sql语句Q成功返回trueQ否则ؓ(f)false
 public boolean executeUpdate(String sql) {
  boolean bupdate=false;
  rs = null;
  try {
//建立数据库连接,其它参数说明同上面的一?
  
  Statement stmt = conn.createStatement();
  int rowCount = stmt.executeUpdate(sql);
//如果不成功,bupdate׃(x)q回0
  if(rowCount!=0)bupdate=true;
  }
  catch(SQLException ex) {
//打印出错信息
   System.err.println("db.executeUpdate: " + ex.getMessage());
  }
 return bupdate;
 }

//toChineseҎ(gu)用于一个字W串q行中文处理

//否则会(x)???q样的字W串
 public static String toChinese(String strvalue) {
  try{
   if(strvalue==null)
  {
  return null;
  }
  else {
   strvalue = new String(strvalue.getBytes("ISO8859_1"), "GBK");
   return strvalue;
  }
  }catch(Exception e){
   return null;
  }
 }

}

adduser.java

package rkind;
import java.sql.*;
import java.lang.*;
import java.util.Date;
//adduser由dbz出来Q拥有db的成员变量和Ҏ(gu)
 public class adduser extends db {
//构徏?
 public boolean addNewUser(){
 boolean boadduser=false;
 try {
//q行用户注册的记录添加操作,生成sql语句
 
  String sSql=new String("insert into demo(username,password,email,homepage, signs)");
  sSql=sSql+ " values('"+Username+"','"+Password+"','"+Email+"','"+Homepage +"','"+Signs+"')";
//一U调试的Ҏ(gu)Q可以打印出sql语句Q以便于查看错误
  System.out.println(sSql);
//调用父类的executeUpdateҎ(gu)QƈҎ(gu)成功以否来设|返回?
  if(super.executeUpdate(sSql))boadduser=true;
  }
 catch(Exception ex) {
//出错处理
  System.err.println("adduser.addNewUser: " + ex.getMessage());
 }finally{
//无论是否出错Q都要返回?
 return boadduser;
 }
}

//checkUser()Ҏ(gu)用来(g)查用户名是否重复

//如果重复q回一个false
 public boolean checkUser(){
  boolean boadduser=false;
  try {
//构徏sql查询语句
   String sSql="select * from demo where username='"+Username+"'";
//调用父类的executeQueryҎ(gu)
   if((super.executeQuery(sSql)).next()){
//查询出来的记录集为空
   boadduser=false;
   }else{
    boadduser=true;
   }
  }
  catch(Exception ex) {
//出错处理
   System.err.println("adduser.addNewUser: " + ex.getMessage());
  }finally{
//q回?
   return boadduser;
  }
 }
 public String getUsername(){ return Username;}
 public void setUsername(String newUsername){
//用户名有可能是中文,需要进行{?
  Username =db.toChinese(newUsername);}
//属性密码Password的get/setҎ(gu)
  public String getPassword(){
  return Password;}
  public void setPassword(String newPassword){ Password = newPassword;}
//属性Email的get/setҎ(gu)
  public String getEmail(){ return Email;}
  public void setEmail(String newEmail){ Email = newEmail;}
//属性主Homepage的get/setҎ(gu)
  public String getHomepage(){ return Homepage;}
  public void setHomepage(String newHomepage){ Homepage = newHomepage;}
//属性主Signs的get/setҎ(gu)
  public String getSigns(){ return Signs;}
  public void setSigns(String newSigns){
//{֐有可能是中文Q需要进行{?
  Signs = db.toChinese(newSigns);}
}
newuser.jsp

<%@ page contentType="text/html;charset=gb2312"%>
<% response.setHeader("Expires","0"); %>
<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>新用h?</title>
</head>
<body bgcolor="#FFFAD9">
<script language="JavaScript">

function valid(form)

{
    if(form.username.value.length==0)
   {
        alert("Please enter username!");
        form.username.focus();
        return false;
    }
    if(form.Password.value==form.password1.value){
     alert("你输入的验证密码不正?);
     form.password1.focus(); 
    }
}
</script>
<p align="center"><font color="#8484FF"><strong><big>C?
用户注册 </font>
<form onsubmit="return valid(this)" method="POST"  name="formreg" action="donewuser.jsp">
<div align="center"><center> 
<table width="49%" height="281"
border="1"
cellspacing="0">
    <tr>
      <td width="27%" bgcolor="#DDDDFF" align="center">用户名:(x)
        <td width="73%" bgcolor="#DDDDFF"><input type="text"
name="username" size="20" >
                <font color="#00CCFF"><b>* </b></font>        
    </tr>
    <tr>
      <td width="27%" bgcolor="#DDDDFF" align="center">输入密码Q?
        <td width="73%" bgcolor="#DDDDFF"><input type="password" name="password" size="20"
>
                <font color="#FF0000"><b>* </b></font>        
    </tr>
    <tr>
      <td width="27%" bgcolor="#DDDDFF" align="center">校验密码Q?
        <td width="73%" bgcolor="#DDDDFF"><input type="password" name="password1" size="20"
>
                <font color="#FF0000"><b>* </b></font>        
    </tr>
    <tr>
      <td width="27%" bgcolor="#DDDDFF" align="center">E-mail
        <td width="73%" bgcolor="#DDDDFF"><input type="text" name="email" size="20" >
                <font color="#FF0000">* </font>        
    </tr>
    <tr>
      <td width="27%" bgcolor="#DDDDFF" align="center">主页地址Q?
        <td width="73%" bgcolor="#DDDDFF"><input type="text" name="homepage" size="20"
 value="http://">
      </tr>
    <tr>
      <td width="100%" height="20" colspan="2" bgcolor="#DDDDFF"><br>
          <center>
            <font color="red"><b>介绍自己Q?Q介l自己,不能过120字)(j)</span></b></font>
        </center>    </tr>
  <td width="70%">
  <tr>
    <td><textarea rows="6"
name="signs" cols="30" ></textarea>
  </tr>
  <tr>
    <td width="30%" bgcolor="#DDDDFF" colspan="2"><center>
        <p>
          <input
type="submit" value="递交" onClick="return checkmsg();" name="B1" >
          <input type="reset" value="清除" name="B2" >
      </center>
  </tr>
  </table>
  </div>

</form>

<hr size="1" color="#FF0000">
<p align="center">Better View:800*600 Best View:1024x768
Z本系l能够更好的为?zhn)服务Q请使用IE4.0或以上版本浏览器
<font color="#000000"></font><a href="javascript:%20newGuide("copyright.htm")"
target="_self">版权所?</a>


</body>
</html>

listuser.jsp

<%@ page contentType="text/html;charset=gb2312"%>
<% response.setHeader("Expires","0"); %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="org.gjt.mm.mysql.Driver.*" %>
<!--生成一个JavaBean:lyf.db的实?->
<jsp:useBean id="db" class="rkind.db" scope="request"/>
<jsp:setProperty name="db" property="*"/>
<%

java.lang.String strSQL; //SQL语句

int intPageSize; //一|C的记录?
int intRowCount; //记录L
int intPageCount; //总页?
int intPage; //待显C页?
java.lang.String strPage;
int i,j,k;
//讄一|C的记录?
intPageSize = 15;
//取得待显C页?
strPage = request.getParameter("page");
if(strPage==null){//表明在QueryString中没有pageq一个参敎ͼ此时昄W一|?
intPage = 1;
}
else{//字W串转换成整?
intPage = java.lang.Integer.parseInt(strPage);
if(intPage<1) intPage = 1;
}
//获取记录L
strSQL = "select count(*) from demo";
ResultSet result = db.executeQuery(strSQL); //执行SQL语句q取得结果集
result.next(); //记录集刚打开的时候,指针位于W一条记录之?
intRowCount = result.getInt(1);
result.close(); //关闭l果?
//记算总页?
intPageCount = (intRowCount+intPageSize-1) / intPageSize;
//调整待显C的늠
if(intPage>intPageCount) intPage = intPageCount;
strSQL="select * from demo ";
//执行SQL语句q取得结果集
result = db.executeQuery(strSQL);
//记录指针定位到待显C页的第一条记录上
i = (intPage-1) * intPageSize;
for(j=0;j<i;j++) result.next();
%>
<html>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 3.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>用户列表</title>
</head>
<body bgcolor="#FFEBBD">
<div align="center"><center>
<table border="1"
borderColorDark="#FFFFFF" borderColorLight="#000000" cellspacing="0" height="22"
width="100%">
<tr bgcolor="#FFEBAD">
<td height="1" width="691" class="main">
W?lt;%=intPage%>??lt;%=intPageCount%>?
<a href="listuser.jsp?page=0">首页</a>
<%if(intPage>1){%><a href="listuser.jsp?page=<%=intPage-1%>">上一?lt;/a><%}%>
<%if(intPage<=1){%>上一?lt;%}%>
<%if(intPage<intPageCount){%><a href="listuser.jsp?page=<%=intPage+1%>">下一?lt;/a><%}%>
<%if(intPage>=intPageCount){%>下一?lt;%}%>
<a href="listuser.jsp?page=<%=intPageCount%>">N</a>
W?lt;input type="text" class="main" name="page" size="3" value="<%=intPage%>" tabindex="1">?lt;input type="submit" class="main" value="go" name="B1" tabindex="2"><class="main">
</td></tr></table></form>


<table border="1" width="100%" cellspacing="0" bordercolorlight="#000000"
bordercolordark="#FFFFFF" class="main">
<tr bgcolor="#FFEBAD">
<td >
<div align="left">用户?lt;/div>
</td>
<td >
<p align="center">Email
</td>
<td >
<p align="center">主页
</td>
<td>
<p align="center">登记旉
</td>
<td>
<p align="center">说明
</td>
</tr>
<%
//昄数据
i = 0;
while(i<intPageSize && result.next()){
%>
<tr bgcolor="#FFEBAD">
<td>
<div align="left"><%=result.getString("username") %></div></td>
<td><div align="center"><%=result.getString("email") %></a></div></td>
<td><div align="center"><font color="#0000CC"><%=result.getString("homepage") %></font></div></td>
<td><div align="center"><font color="#FF6666"><%=result.getDate("regtime") %></font></div></td>
<td><div align="center"><font color="#0000FF"><%=result.getString("signs") %></font></div></td></tr>
<%
i++;
}
%>
</table>
<% result.close(); //关闭l果?>
</body>
</html>

donewuser.jsp

<%@ page contentType="text/html;charset=gb2312"%>
<% response.setHeader("Expires","0"); %>
<!--生成一个JavaBean:lyf.adduser的实例,id为adduserQ生存范围ؓ(f)page-->
<jsp:useBean id="adduser" class="rkind.adduser" scope="page"/>

   <!--讄JavaBean中各个属性的|q会(x)调用JavaBean中各个属性的setҎ(gu)Q以便JavaBean得到正确的属性|?”代表进行所有属性的匚w-->

<jsp:setProperty name="adduser" property="*"/>
<html>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 3.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>用户d</title>
</head>
<body bgcolor="#FFEBBD">
<div align="center"><center>
<%
//调用lyf.adduser的checkUser()Ҏ(gu)(g)查是否有重复的用户名

//如果有重复就昄对应的信?

if(!adduser.checkUser())
{
//面文字输出信息Q用jsp内置对象out的printlnҎ(gu)Q相当于asp中的response.writeҎ(gu)

out.println("对不Pq个用户?+adduser.getUsername()+"已经被申请了Q请重新选择Q?);
//return代表q回Q运行时候碰到return׃?x)进行下面的处理了,功能相当于asp中的response.end

return;
}
%>
<%
//如果没有用户名重复的问题Q调用lyf.adduser的addNewUser()Ҏ(gu)来将用户数据d到数据库中,q根据数据添加成功否来显C对应的信息
if(adduser.addNewUser()){
%>
<H2>d用户成功Q?lt;/P>
<%}else{%>
<H2>d用户p|Q请和管理员联系Q?lt;/P>
<%}%>
</BODY>
</HTML>



rkind 2005-10-27 12:56 发表评论
]]>
用servlet~写的文件上传程?/title><link>http://www.aygfsteel.com/rkind/archive/2005/10/27/16998.html</link><dc:creator>rkind</dc:creator><author>rkind</author><pubDate>Thu, 27 Oct 2005 04:43:00 GMT</pubDate><guid>http://www.aygfsteel.com/rkind/archive/2005/10/27/16998.html</guid><wfw:comment>http://www.aygfsteel.com/rkind/comments/16998.html</wfw:comment><comments>http://www.aygfsteel.com/rkind/archive/2005/10/27/16998.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/rkind/comments/commentRss/16998.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/rkind/services/trackbacks/16998.html</trackback:ping><description><![CDATA[<P>采用了tomcat发布,调用了jarkarta的一个common-fileuplg,</P> <P>着先配|好classpath,加上servlet.jar和commons-fileupload-1.0.jar,</P> <P>然后把commons-fileupload-1.0.jar攑ֈroot下的web-inf/lib/?/P> <P>~写up.javaq编l?攑ֈweb-inf/classes目录?/P> <P>import javax.servlet.*;<BR>import javax.servlet.http.*;<BR>import java.io.*;<BR>import java.util.*;<BR>import java.util.regex.*;<BR>import org.apache.commons.fileupload.*;</P> <P><BR>public class up extends HttpServlet {<BR>  private static final String CONTENT_TYPE = "text/html; charset=GB2312";<BR>  //Process the HTTP Post request<BR>  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {<BR>    response.setContentType(CONTENT_TYPE);<BR>    PrintWriter out=response.getWriter();<BR>    try {<BR>    DiskFileUpload fu = new DiskFileUpload();<BR> // 讄允许用户上传文g大小,单位:字节Q这里设?m<BR> fu.setSizeMax(2*1024*1024);<BR> // 讄最多只允许在内存中存储的数?单位:字节<BR> fu.setSizeThreshold(4096);<BR> // 讄一旦文件大超qgetSizeThreshold()的值时数据存放在硬盘的目录<BR> fu.setRepositoryPath("c:\\windows\\temp");<BR> //开始读取上传信?BR> List fileItems = fu.parseRequest(request);<BR> // 依次处理每个上传的文?BR>   Iterator iter = fileItems.iterator();</P> <P>//正则匚wQ过滤\径取文g?BR>   String regExp=".+\\\\(.+)$";</P> <P>//qo(h)掉的文gcd<BR>String[] errorType={".exe",".com",".cgi",".asp"};<BR>   Pattern p = Pattern.compile(regExp);<BR>      while (iter.hasNext()) {<BR>       FileItem item = (FileItem)iter.next();<BR>       //忽略其他不是文g域的所有表单信?BR>       if (!item.isFormField()) {<BR>           String name = item.getName();<BR>           long size = item.getSize();<BR>           if((name==null||name.equals("")) && size==0)<BR>               continue;<BR>        Matcher m = p.matcher(name);<BR>       boolean result = m.find();<BR>       if (result){<BR>           for (int temp=0;temp<errorType.length;temp++){<BR>           if (m.group(1).endsWith(errorType[temp])){<BR>                 throw new IOException(name+": wrong type");<BR>           }<BR>           }<BR>           try{</P> <P>//保存上传的文件到指定的目?/P> <P>//在下文中上传文gx据库Ӟ对q里改写<BR>             item.write(new File("d:\\" + m.group(1)));</P> <P>           out.print(name+"&nbsp;&nbsp;"+size+"<br>");<BR>           }<BR>           catch(Exception e){<BR>             out.println(e);<BR>             <BR>           }</P> <P>        }<BR>       else<BR>       {<BR>         throw new IOException("fail to upload");<BR>       }<BR>       }<BR>   }<BR>}<BR> catch (IOException e){<BR>   out.println(e);<BR> }<BR> catch (FileUploadException e){<BR>      out.println(e);<BR><BR> }<BR> <BR>  }<BR>}</P> <P>然后布v好web.xml,在其中加?/P> <P><servlet><BR>        <servlet-name>up</servlet-name><BR>        <servlet-class>up</servlet-class><BR>    </servlet><BR>    <servlet-mapping><BR>        <servlet-name>up</servlet-name><BR>        <url-pattern<STRONG>>/fileup</STRONG></url-pattern><BR>    </servlet-mapping></P> <P>好了现在再编写一个htm试一下就ok?注意url-pattern里面的\径必跟表格中action的属性一?</P> <P><html><BR> <h1>文g上传演示</h1></P> <P><form name="uploadform" method="POST" <STRONG>action="/fileup</STRONG>" ENCTYPE="multipart/form-data"></P> <P>        <table border="1" width="450" cellpadding="4" cellspacing="2" bordercolor="#9BD7FF"></P> <P>        <tr><td width="100%" colspan="2"></P> <P>                        文g1Q?lt;input name="x" size="40" type="file"></P> <P>        </td></tr></P> <P>        <tr><td width="100%" colspan="2"></P> <P>                        文g2Q?lt;input name="y" size="40" type="file"></P> <P>        </td></tr></P> <P>        <tr><td width="100%" colspan="2"></P> <P>                        文g3Q?lt;input name="z" size="40" type="file"></P> <P>        </td></tr></P> <P>        </table></P> <P>        <br/><br/></P> <P>        <table></P> <P>        <tr><td align="center"><input name="upload" type="submit" value="开始上?/></td></tr></P> <P>       </table></P> <P></form></P> <P><BR></html></P><img src ="http://www.aygfsteel.com/rkind/aggbug/16998.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/rkind/" target="_blank">rkind</a> 2005-10-27 12:43 <a href="http://www.aygfsteel.com/rkind/archive/2005/10/27/16998.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss> <footer> <div 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