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<FORM method= get | post action= “Ìá½»ÐÅÏ¢µÄÄ¿µÄµØÒ³Ãæ”>
Ìá½»ÊÖ¶Î
</FORM>…..
ÆäÖÐ<Form>ÊÇ±íµ¥±êÇ©£¬method È¡Öµget »òpost¡£Get ·½·¨ºÍpost ·½·¨µÄÖ÷ÒªÇø±ð
ÊÇ£ºÊ¹ÓÃget ·½·¨Ìá½»µÄÐÅÏ¢»áÔÚÌá½»µÄ¹ý³ÌÖÐÏÔʾÔÚä¯ÀÀÆ÷µÄµØÖ·À¸ÖУ¬¶øpost ·½·¨
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<FORM action="tom.jsp" method= “post” >
<INPUT type="text" name="boy" value= “ok” >
<INPUT TYPE="submit" value=" Ëͳö" name= “submit”>
</FORM>
¸Ã±íµ¥Ê¹ÓÃpost·½·¨ÏòÒ³Ãætom.jsp Ìá½»ÐÅÏ¢£¬Ìá½»ÐÅÏ¢µÄÊÖ¶ÎÊÇ£ºÔÚÎı¾¿òÊäÈëÐÅ
Ï¢£¬ÆäÖÐĬÈÏÐÅÏ¢ÊÇ“ok”£»È»ºóµã»÷“Ëͳö”°´Å¥Ïò·þÎñÆ÷µÄJSP Ò³Ãætom.jsp Ìá½»ÐÅ
Ï¢¡£
request ¶ÔÏó¿ÉÒÔʹÓÃgetParameter(String s) ·½·¨»ñÈ¡¸Ã±íµ¥Í¨¹ýtext Ìá½»µÄÐÅÏ¢£¬
±ÈÈ磺
request.getParameter(“boy”);
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request ¶ÔÏó»ñÈ¡¿Í»§Ìá½»ÐÅÏ¢µÄ×î³£Óõķ½·¨ÊÇgetParameter(String s) ¡£
ÔÚÏÂÃæµÄÀý×Ó2ÖУ¬Example3_2.jsp ͨ¹ý±íµ¥Ïò×Ô¼ºÌá½»Ò»¸öÕýÊý£¬È»ºó¼ÆËãÕâ¸öÊýµÄƽ·½¸ù
Example3_2.jsp£º
<%@ page contentType="text/html;charset=GB2312" %>
<HTML>
<BODY bgcolor=cyan><FONT size=1>
<FORM action="Example3_2.jsp" method=post name=form>
<INPUT type="text" name="girl">
<INPUT TYPE="submit" value="Enter" name="submit">
</FORM>
<%String textContent=request.getParameter("girl");
double number=0,r=0;
if(textContent==null)
{textContent="";
}
try{ number=Double.parseDouble(textContent);
if(number>=0)
{r=Math.sqrt(number) ;
out.print("<BR>"+String.valueOf(number)+" µÄƽ·½¸ù£º");
out.print("<BR>"+String.valueOf(r));
}
else
{out.print("<


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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
......

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JSP iterator


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ww:iterator
 
value
=
"resultList"
 
status
=
"status"
>
    
<
tr
 
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=
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>
row-even
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> ......

JSPÄÚÖöÔÏó

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