超难问题 ( 2 ) !!!在线等待中。。。。急!!! 查查FAQ,里面有类似问题的解决方法,试试更改成jsp的方式就行了! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 做两个<select>根据变量用脚本控制它的显示与隐藏属性,便可以实现 <BODY><SELECT NAME="s1"><option>需要JavaScript才能正确显示</SELECT><SELECT NAME="s2"></SELECT><SELECT NAME="s3"></SELECT><SELECT NAME="s4"></SELECT><SCRIPT LANGUAGE="JavaScript"><!--//选择框的名字selector = [ "s1", "s2", "s3", "s4" ];//选择项: "名字", "值", 子选择menu = ["地球","1", [ "中国","86", [ "北京","BJ", [ "--","1",null ], "四川","SC", [ "成都","28",null, "乐山","",null, "攀枝花","",null, "自贡","",null, "德阳","",null, "绵阳","",null ] ], "米国","1", [ "加利福尼亚","CA", [ "旧金山","1",null, "洛杉矶","2",null ], "华盛顿","WA", [ "西雅图","seattle",null ] ] ],"火星","2", [ "大峡谷","86", [ "小山丘","BJ", [ "A地区","28",null, "B地区","",null, "C地区","",null ] ] ]]; function wizz(level){ if( level == 0 ) a = menu; else { str = "menu"; for( i=0; i<level; i++ ) str += "[" + (document.all[selector[i]].selectedIndex * 3 + 2) + "]"; a = eval(str); } if( a == null ) return; s = document.all[selector[level]]; i = s.length; while( i > 0 ) s.options[--i] = null; while( i < Math.floor(a.length/3) ) s.options[i] = Option( a[i*3], a[i++*3+1] ); s.onchange = Function("wizz(" + (level+1) + ")"); wizz(level+1);}wizz(0);//--></SCRIPT></BODY> No bean named 'cxf' is defined怎么解决 关于动态建表 在JSTL中使用map获取和输出值,发现一个奇怪的问题? 100分,求JSP查询数据库并显示结果的程序 求教,怎么传递值? 中文破折号的乱码问题????急!!!!!!! 为什么精华区的文章都打不开!! 请问:<%! %> 与 <% %> 的区别和使用? 关于tomcat-apache.conf文件 随机取得数据库记录,请指点,谢谢! 新手求救~~~~~~~~~~~ tomcat 不一般的中文乱码问题!!!!
根据变量用脚本控制它的显示与隐藏属性,便可以实现
<SELECT NAME="s1"><option>需要JavaScript才能正确显示</SELECT>
<SELECT NAME="s2"></SELECT>
<SELECT NAME="s3"></SELECT>
<SELECT NAME="s4"></SELECT>
<SCRIPT LANGUAGE="JavaScript">
<!--
//选择框的名字
selector = [ "s1", "s2", "s3", "s4" ];
//选择项: "名字", "值", 子选择
menu = [
"地球","1",
[
"中国","86",
[
"北京","BJ",
[
"--","1",null
],
"四川","SC",
[
"成都","28",null,
"乐山","",null,
"攀枝花","",null,
"自贡","",null,
"德阳","",null,
"绵阳","",null
]
],
"米国","1",
[
"加利福尼亚","CA",
[
"旧金山","1",null,
"洛杉矶","2",null
],
"华盛顿","WA",
[
"西雅图","seattle",null
]
]
],
"火星","2",
[
"大峡谷","86",
[
"小山丘","BJ",
[
"A地区","28",null,
"B地区","",null,
"C地区","",null
]
]
]
];
function wizz(level)
{
if( level == 0 )
a = menu;
else
{
str = "menu";
for( i=0; i<level; i++ )
str += "[" + (document.all[selector[i]].selectedIndex * 3 + 2) + "]";
a = eval(str);
}
if( a == null ) return;
s = document.all[selector[level]];
i = s.length;
while( i > 0 ) s.options[--i] = null;
while( i < Math.floor(a.length/3) )
s.options[i] = Option( a[i*3], a[i++*3+1] );
s.onchange = Function("wizz(" + (level+1) + ")");
wizz(level+1);
}
wizz(0);
//-->
</SCRIPT></BODY>