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jspÉú³ÉÑéÖ¤Âë

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code.jsp:
<%@ page language="java" import="java.awt.*,java.awt.image.*,java.util.*,javax.imageio.*"
contentType="image/jpeg" pageEncoding="UTF-8"%>
<% //ÉèÖÃÒ³Ãæ²»»º´æ
response.setHeader("Pragma","No-cache");
response.setHeader("Cahce-Control","no-cache");
response.setDateHeader("Expires",0);
//ÔÚÄÚ´æÖд´½¨Í¼Æ¬
int width=58;
int height=20;
BufferedImage image=new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);
//»ñȡͼÐÎÉÏÏÂÎÄ
Graphics g= image.getGraphics();
//Éú³ÉËæ»úÀà
Random random= new Random();
//ÉèÖñ³¾°ÑÕÉ«
g.setColor(new Color(150,200,100));
g.fillRect(0,0,width,height);
//ÉèÖÃ×ÖÌå
g.setFont(new Font("Times New Roman",Font.PLAIN,18));
//Ëæ»ú²úÉú50Ìõ¸ÉÈÅÏߣ¬Ê¹Í¼ÐÎÖеÄÑéÖ¤Âë²»Ò×±»ÆäËûµÄ³ÌÐò̽²âµ½
g.setColor ......

Java/JSP»ñµÃ¿Í»§¶ËÍø¿¨MACµØÖ·µÄÈýÖÖ·½·¨½âÎö

´ÓÍøÉϲéÕÒ×ÊÁÏjava/jsp»ñµÃ¿Í»§¶Ë(IE)Íø¿¨MACµØÖ·µÄ·½·¨´ó¸ÅÓÐÈýÖÖ¡£
1¡¢Í¨¹ýÃüÁʽ£¬ÔÚ¿Í»§¶ËÖ´ÐÐIpconfig µÈµÈ
2¡¢Í¨¹ýActiveXµÄ·½·¨
3¡¢Í¨¹ýÏò137µÄ¶Ë¿Ú·¢ËͲéѯָÁîµÄ·½·¨
¼ò½é£º
µÚÒ»ÖÖ·½·¨,ÔÚÕæÕýÓõ½Ê±ºò²»ÖªµÀΪʲô»ñµÃmacµØÖ·µÄÖ¸Áî×èÈûÁË,²»ÍùϼÌÐøÖ´ÐС£¶øÇÒËÙ¶ÈÊÇÕâÈýÖÖ·½·¨ÖÐ×îÂýµÄÒ»ÖÖ¡£
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String sip="";
String smac="";
sip = request.getHeader("x-forwarded-for");
if(sip == null ||sip.length() == 0 || "unknown".equalsIgnoreCase(sip))
{
sip = request.getHeader("proxy-Client-IP");
}
if (sip == null || sip.length() == 0 || "unknown".equalsIgnoreCase(sip))
{
    sip = request.getHeader("WL-Proxy-Client-IP");
}  
if (sip == null ||sip.length() == 0 || "unknown".equalsIgnoreCase(sip))
{
    sip = request.getRemoteAddr();
}
    if(!"127.0.0.1".equals(sip)) //±¾»ú¹ýÂ˵ô
   {
       Process process = Runtime.getRuntime().exec("nbtstat -a " + sip);
   &nbs ......

Java/JSP»ñµÃ¿Í»§¶ËÍø¿¨MACµØÖ·µÄÈýÖÖ·½·¨½âÎö

´ÓÍøÉϲéÕÒ×ÊÁÏjava/jsp»ñµÃ¿Í»§¶Ë(IE)Íø¿¨MACµØÖ·µÄ·½·¨´ó¸ÅÓÐÈýÖÖ¡£
1¡¢Í¨¹ýÃüÁʽ£¬ÔÚ¿Í»§¶ËÖ´ÐÐIpconfig µÈµÈ
2¡¢Í¨¹ýActiveXµÄ·½·¨
3¡¢Í¨¹ýÏò137µÄ¶Ë¿Ú·¢ËͲéѯָÁîµÄ·½·¨
¼ò½é£º
µÚÒ»ÖÖ·½·¨,ÔÚÕæÕýÓõ½Ê±ºò²»ÖªµÀΪʲô»ñµÃmacµØÖ·µÄÖ¸Áî×èÈûÁË,²»ÍùϼÌÐøÖ´ÐС£¶øÇÒËÙ¶ÈÊÇÕâÈýÖÖ·½·¨ÖÐ×îÂýµÄÒ»ÖÖ¡£
´úÂëÈçÏ£º
String sip="";
String smac="";
sip = request.getHeader("x-forwarded-for");
if(sip == null ||sip.length() == 0 || "unknown".equalsIgnoreCase(sip))
{
sip = request.getHeader("proxy-Client-IP");
}
if (sip == null || sip.length() == 0 || "unknown".equalsIgnoreCase(sip))
{
    sip = request.getHeader("WL-Proxy-Client-IP");
}  
if (sip == null ||sip.length() == 0 || "unknown".equalsIgnoreCase(sip))
{
    sip = request.getRemoteAddr();
}
    if(!"127.0.0.1".equals(sip)) //±¾»ú¹ýÂ˵ô
   {
       Process process = Runtime.getRuntime().exec("nbtstat -a " + sip);
   &nbs ......

jspÖÐÎÄÂÒÂë½â¾ö·½°¸


1¡¢jspÒ³ÃæÂÒÂ룺
ÔÚjspÒ³Ãæ¿ªÊ¼Ìí¼Ó<%pageEncoding="uft-8"%>
2¡¢servletÊä³öÂÒÂ룺
ÔÚÊä³öÄÚÈÝ֮ǰ£¬ÏÈÖ´ÐÐresponse.setContentType
("text/html;charset=utf-8")
3¡¢ÔÚformÀïÓÃpost·½Ê½Ìá½»²ÎÊý£º
1£©½ÓÊÕʱ¼Órequest.setCharacterEncoding("utf-8")
2£©Ê¹ÓùýÂËÆ÷£¬ÔÚ½ÓÊÕ²ÎÊý֮ǰ£¬É趨´«µÝµÄ²ÎÊýÄÚÈݵıàÂëÊÇ
utf-8
4¡¢ÔÚµØÖ·À¸ÀïÊäÈë²ÎÊý£¬ÓÃget·½Ê½´«ÖÐÎIJÎÊý£º
¸Ätomcat\conf\server.xmlÀïµÄ
<Connector port="80" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" £¨¼ÓÉÏ£©URIEncoding="utf-8"/>
......

jspµ÷ÓÃjavabeanʵÀý

goodsbean.java
package sale;
public class goodsbean{
    String Product;
    double Price;
    public goodsbean (){
    this.Product = "box";
    this.Price = 5.0;
    }
public void setProduct (String ProductName){
    this.Product = ProductName;
}
public String getProduct(){
    return (this.Product);
}
public void setPrice (double priceValue){
    this.Price = priceValue;
}
public double getPrice(){
    return (this.Price);
}
}
±àÒëÍêÉú³ÉµÄ.classÎļþ£¬·Åµ½£ºTomcat 5.5\webapps\ROOT\WEB-INF\classes\sale Ŀ¼Ï¡£
µ÷Ó÷½·¨£º
<%@ page contentType="text/html;charset=GB2312"%>
<%//request.setCharacterEncoding("iso_8859_1");%>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>goodsbean</title>
</head>
<body>
<jsp:useBean id="go ......

ÈçºÎÒ»¸öjspÒ³Ãæ´¦Àí¶à¸öform±íµ¥

Ê×ÏÈÊÇÌá½»Ò³Ãæ£ºÈý¸ö±íµ¥(form1,form2,form3)
         <form name="form1" method="post" action="checklogin.jsp" class="niceform">
            <input name="qx" type="hidden" value="3">
            <label for="textinput">ÕʺÅ:</label>
            <input type="text" id="textinput" name="uid" size="12" />
            <br />
            <label for="passwordinput">ÃÜÂë:</label>
            <input type="password" id="passwordinput" name="pwd" size="12" />
            <br />
& ......

jspÉÏ´«Í·ÏñÒÔ¼°Éú³ÉËõÂÔͼ


<%@ page autoFlush="false" contentType="text/html;charset=utf-8" language="java" import="java.io.*,java.awt.Image,java.awt.image.*,com.sun.image.codec.jpeg.*,java.sql.*,com.jspsmart.upload.*,java.util.*,java.io.FileInputStream,java.io.FileOutputStream,java.awt.*"%>
<%@ page import="com.blog.vo.*" %>
<%
SmartUpload mySmartUpload =new SmartUpload();
long file_size_max=4000000;
String fileName2="",ext="",testvar="";
String url="uploadfile/images/"; //Ó¦±£Ö¤ÔÚ¸ùĿ¼ÖÐÓдËĿ¼µÄ´æÔÚ
//³õʼ»¯
mySmartUpload.initialize(pageContext);
//Ö»ÔÊÐíÉÏÔØ´ËÀàÎļþ
try {
mySmartUpload.setAllowedFilesList("jpg,gif,JPG,GIF");
//ÉÏÔØÎļþ
mySmartUpload.upload();
} catch (Exception e){
%>
<SCRIPT language=javascript>
alert("Ö»ÔÊÐíÉÏ´«.jpgºÍ.gifÀàÐÍͼƬÎļþ");
window.location='face.jsp';
</script>
<%
}
try{
com.jspsmart.upload.File myFile = mySmartUpload.getFiles().getFile(0);
if (myFile.isMissing()){%>
<SCRIPT language=javascript>
alert("Ç ......
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