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Ô´´úÂ룬a.jspÍùb.jsp´«Öµ£º
a.jspÒ³ÃæÄÚÈÝ
<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%>
<form action="b.jsp">
¡¡¡¡name:<input type=text name=name>
¡¡¡¡<input type=submit>
</form>
b.jspÒ³ÃæÄÚÈÝ£º
<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%>
<%
String name=request.getParameter("name");
%>
<body>
¡¡¡¡<%=name%>
</body> 
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¡¡¡¡1. ÔÚb.jspÖаÑpageEncoding="GB2312"¸ÄΪpageEncoding="ISO8859-1"
¡¡¡¡ËäÈ»ÕâÑùb.jspÒ³ÃæÏÔʾµÄÄÚÈÝ»¹ÊÇÂÒÂ룬µ«ÊDz»ÊÇÄÇÖÖ“£¿£¿£¿£¿£¿£¿”µÄÂÒÂ룬¶øÊÇÒ»Ð©ÌØÊâ×Ö·û
¡¡¡¡2. È»ºóÔÚä¯ÀÀÆ÷Öв鿴²Ëµ¥ÖÐÐ޸ijÉGB2312µÄ±àÂ룬ÕâʱÂÒÂë¾ÍÏÔʾÖÐÎÄÁË¡£
¡¡¡¡3. µ«ÊÇÕâÖÖ·½·¨ÊDz»¿ÉÐеġ£
¡¡¡¡·½·¨¶þ£º
¡¡¡¡1. ÔÚb.jspÖаÑString name=request.getParameter("name");ÐÞ¸ÄΪ
¡¡¡¡String name=new String(request.getParameter("name").getBytes("ISO-8859-1"),"GB2312");
¡¡¡¡2. ÕâʱÔÙÔÚҳà ......

jspÖÐÈ¡µÃ·þÎñÆ÷ʱ¼ä²¢¶¯Ì¬ÏÔʾ


<%
      Calendar rightNow = Calendar.getInstance();
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm");
String sysdate = format.format(rightNow.getTime());
int week = rightNow.get(rightNow.DAY_OF_WEEK);
String weekary[] ={"ÔÂê×ÈÕ","»ðê×ÈÕ","Ë®ê×ÈÕ","ľê×ÈÕ","½ðê×ÈÕ","ÍÁê×ÈÕ","ÈÕê×ÈÕ"};
%>
<script language="javascript">
//´Ó·þÎñÆ÷ÉÏ»ñÈ¡³õʼʱ¼ä

var currentDate = new Date(<%=new java.util.Date().getTime()%>);
function run()
{
currentDate.setSeconds(currentDate.getSeconds()+1);
document.getElementById("dt").innerHTML =
currentDate.toLocaleString();     
}
window.setInterval("run();", 1000);
</script>
<div id="dt">×Ô¶¯ÏÔʾʱ¼ä¡£¡£¡£¡£</div>
......

jspºÍActionÖÐBase64±àÂëת»»

jspÖÐÓÃjavascript½«ÖÐÎÄBase64תÂë, ActionÖÐÔÙÓÃBase64½âÂë
javascriptÖÐʹÓÃwebtoolkit.base64.js,ÏÂÔØµØÖ·http://www.webtoolkit.info/djs/webtoolkit.base64.js
Ïà¹Ø½éÉÜ http://www.webtoolkit.info/javascript-base64.html
/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/
var Base64 = {
    // private property
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    // public method for encoding
    encode : function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;
        input = Base64._utf8_encode(input);
        while (i < input.length) {
            chr1 = input.charC ......

JSPÖÐerrorPageµÄÎÊÌâ

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                <%@ page errorPage="error.jsp" %>
           ÕâÑùµÄ»°£¬µ±Ò³ÃæÖгöÏÖÒì³£µÄʱºò£¬¾Í»á×Ô¶¯Ìø×ªµ½´íÎó´¦ÀíÒ³Ãæ¡£µ«ÊÇҪעÒ⣬
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           Àý£ºindex.jsp
<%@ page contentType="text/html; charset=GB2312" language="java" errorPage="error.jsp"%>
<html><head><title>lifecycle</title></head><body>
<%!
private int initVar = 0;
private int serviceVar = 0;
private int destroyVar = 0;
public void jspInit() { initVar ++; }
public void jspDestroy() { destroyVar ++; }
%>
<%
serviceVar ++;
String content1="³õʼ»¯´ÎÊý£º" + initVar; ......

JSP ¾ø¶Ô·¾¶ ÖÕ¼«½â¾ö·½°¸

context.xml Îļþ¼ÐÖÐ
<Context path="/wap"
docBase="D:\IDE\MyEclipse\wap\WebRoot" reloadable="false" >
request.getContextPath(); -==> /wap
this.getServletContext().getRealPath("") ;// D:\IDE\MyEclipse\wap\WebRoot
......

Java³õѧÕߣºÈí¼þÉè¼Æ Ò»¸ö¼òµ¥µÄͼÊé¹ÜÀíÈí¼þ

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---welcome to visit
software of book
management
                        
Now is ...
                        
(1).show all the books
                        
(2)inquire book
                        
(3).lend book
                        
(4)return book
           ......
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