把你的页面修改一下:
<html>
<Script Language ="JavaScript">
function onChanges()
{
//输出所选的选项
//alert(document.all.music_type_single.value);
document.frminfo.submit();
}
</script>
<form method="post" action="你要提交的页面" name="frminfo">
<SELECT NAME="music_type_single" onChange="onChanges();">
<OPTION SELECTED value="A"> A
<OPTION value="B"> B
<OPTION value="C"> C
<OPTION value="D"> D
</SELECT>
</form>
</html>然后,在接收页面就可以根据传过来的“music_type_single”进行查询了。
<html>
<Script Language ="JavaScript">
function onChanges()
{
//输出所选的选项
//alert(document.all.music_type_single.value);
document.frminfo.submit();
}
</script>
<form method="post" action="你要提交的页面" name="frminfo">
<SELECT NAME="music_type_single" onChange="onChanges();">
<OPTION SELECTED value="A"> A
<OPTION value="B"> B
<OPTION value="C"> C
<OPTION value="D"> D
</SELECT>
</form>
</html>然后,在接收页面就可以根据传过来的“music_type_single”进行查询了。
<Script Language ="JavaScript">
function handlerText(obj){
searchstr="select * from mytable where name='"+obj.options[obj.selectedIndex].text+"'";
alert(searchstr);
}
</Script>
<SELECT NAME="music_type_single" onChange="handlerText(this)">
<OPTION SELECTED>A
<OPTION>B
<OPTION>C
<OPTION>D
</SELECT>
</html>
<Script Language ="JavaScript">
function handlerText(obj){
searchstr="select * from mytable where name='"+obj.options[obj.selectedIndex].text+"'";
alert(searchstr);
}
</Script>
<SELECT NAME="music_type_single" onChange="handlerText(this)">
<OPTION SELECTED>A
<OPTION>B
<OPTION>C
<OPTION>D
</SELECT>
</html>