php下拉选择框

[php]代码库

< input type="button" value="delete" onclick="
if(confirm('确定要删除吗')) location.href=
'del_03.php?id=xing'">< br/> 
< script language="JavaScript" type="text/javascript"> 
function select(obj){  
window.location.href='del_04.php?myselect=
'+obj.options[obj.selectedIndex].value;  
return; //可以不写;  
}  
< /script> 
< input type="button" value="delete" 
onclick="if(confirm('确定要删除吗')) 
location.href='del_03.php?id=xing'">< br/> 
< form name="myform" action="del_04.php" 
method="post"> 
< !-- 直接触发onchange 事件 ,此时不用提交表单,-- > 
< !--< select name="selectID" onchange=
"location='del_04.php?myselect='+this.options
[this.selectedIndex].value">--> 
< !-- 把onchange 的事件写在一个函数里面-- > 
< select name="selectID" onchange="select(this)"> 
< !-- < select name="selectID" >--> 
< option value="0">请选择< /option> 
< option value="value1">option1< /option> 
< option value="value2">option2< /option> 
< option value="value3">option3< /option> 
< /select> 
< input type="submit" name="sendSelect" 
value="提交下拉框"/> 
< /form>