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html option select ʼþ - Java / Web ¿ª·¢

<select name="sel" onselect="£¿£¿£¿" >
  <option value="768">768Kbps</option>
  <option value="512" selected>512Kbps</option>
  <option value="384">384Kbps</option>
</select>

ÎÒÏëÔÚselect ÖÐ option×ö¸Ä±äʱһ¸öjs·¢ËÍÒ»¸öurl
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onchange=·½·¨

<html> 
<head> 
<script> 
function mm() 

var i=document.frm1.select1.selectedIndex; 
var address=document.frm1.select1.options[i].value; 
document.location.href=address; 

</script> 
</head> 
<body> 
<form name="frm1"> 
<select name="select1" onchange="mm()"> 
<option selected>ÇëÑ¡Ôñ</option> 
<option value="http://www.baidu.com">°Ù¶È</option> 
<option value="http://www.google.com">google</option> 
</select> 
</form> 
</body> 
</html>

onchange!

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<form action="" method="post">

<div align="center">
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javaÈÕÆÚ´¦Àí - Java / Java SE

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JSP ½ÓÊÕ FORM Ìá½» - Java / Web ¿ª·¢

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tomcat»·¾³ÏÂjsp±àÒë´íÎó£¬Çó½â£¡ - Java / Web ¿ª·¢

org.apache.jasper.JasperException: Unable to compile class for JSP: 
An error occurred at line: 52 in the jsp file: /vip_info.jsp
ÕË cannot be resolved
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mysqlµÄ¸üÐÂÓï¾ä - Java / Java SE

id name datetime
1 a 2010-05-13 10:15:00
2 b 2010-05-14 09:10:00
3 d 2010-05-14 10:10:00
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update table_n ......
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