动态创建下拉菜单
2001-05-10 10:19:14 来源：WEB开发网核心提示：<html> <head> <title>动态下拉菜单</title> <style> SELECT.smallSel { BACKGROUND-COLOR: white; COLOR: #000080; FONT-SIZE: 9pt } </style
<html>
<head>
<title>动态下拉菜单</title>
<style>
SELECT.smallSel
{
BACKGROUND-COLOR: white;
COLOR: #000080;
FONT-SIZE: 9pt
}
</style>
<script language=javascript>
<!-- hide from old browsers...
/* 动态下拉菜单 -- written by Taylor Chen (Taylor999)
如果您发现任何问题，请E-mail给我，Taylor@etang.com
*/
var info = new Array(
"杂文*弥天大谎的背后|院士相当于副省级?|为教育打几个激灵|预算黑洞一例|官不贵，民不贱|省了麻烦|
轿车不如轿子说|这回确是个别|血和泪构成的笑话|给张艺谋松绑吧!",
"生活随笔*木兰漂亮吗?|一张旧车票|酒味杂谈|时空隧道|最后捞一把",
"文选*家庭也要有民主|“待遇”的联想|“农民”不是形容词|只多一点点",
"读者*当代“士子”之悲|谈程序|厅长说与百姓说|其实很高明");
var infoA=new Array(
"焦点话题*安徽：国企领导可以超龄任职|新世纪怎么花钱|武汉：企业将告别行政级别",
"读者书屋*欲火",
"品味园*破译“中国人之谜”不妨读读《闲话中国人》|请客吃饭乐无穷|走动走动向上浮动|文人也当谋富
|做并享受着———与白岩松笑谈摭拾|比谁写得厚",
"环球采风*法国建成绿色学校|俄罗斯第一夫人温情谈恋史|法国人才外流有原因|德国电脑人才可破例|德
国慕尼黑啤酒节",
"人物春秋*我所知道的胡乔木|自信些，迎接全球化|红与黑");
var mywork= new Array("",info,infoA);
/************************************************************************************************
******/
function stringSplit ( string, delimiter ) {
if ( string == null || string == "" ) {
return null;
} else if ( string.split != null ) {
return string.split ( delimiter );
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var ar = new Array();
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ar[i++] = string.substring ( start, end );
start = end+1;
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ar[i++] = string.substring ( start, string.length );
start = -1;
}
}
return ar;
}
}
/************************************************************************************************
******/
var menu1 = new Array();
var menu2 = new Array();
/************************************************************************************************
******/
function createMenus ( wh ) {
var infoname = new Array();
infoname=mywork[wh];
for ( var i=0; i < infoname.length; i++ ) {
menu1[i] = stringSplit ( infoname[i], '*' );
menu2[i] = stringSplit ( menu1[i][1], '|' );
}
var author = document.myForm.main;
var book = document.myForm.title;
author.length = infoname.length;
book.length = menu2[0].length;
for ( var i=0; i < infoname.length; i++ ) {
author.options[i].value = menu1[i][0];
author.options[i].text = menu1[i][0];
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document.myForm.main.selected = 0;
for (var x=0; x < menu2[0].length; x++) {
book.options[x].text = menu2[0][x];
book.options[x].value = menu2[0][x];
}
document.myForm.title.selected = 0;
}
/************************************************************************************************
******/
function updateMenus ( what ) {
var sel = what.selectedIndex;
if ( sel >= 0 && sel < menu1.length )
var temp = menu2[sel];
else
var temp = new Array ();
what.form.title.length = temp.length;
for ( var i = 0; i < temp.length; i++ ) {
what.form.title.options[i].text = temp[i];
what.form.title.options[i].value = temp[i];
}
what.form.title.selected=0;
}
// end of hiding -->
</script>
</head>
<body background="" bgcolor="#ffffff" text="#400040" link="#ff0080" vlink="#ff8080"
alink="#ff0000">
<center><h1>动态下拉菜单</h1></center>
<form name=myForm action=test2.asp method=post><p>
分类:
<select name=my size=1 onchange="createMenus(document.myForm.my.selectedIndex)" class="smallsel">
<option selected></option>
<option value="info">杂文报</option>
<option value="infoA">书刊报</option>
</select>
<p>
作者: <select name="main" size=1 onChange="updateMenus(this)" class="smallsel">
<option>
;
<option>
<option>
</select>
<p>
标题:
<select name="title" size=1 class="smallsel">
<option>
;
<option>
<option>
</select>
<input type=button value=Submit onclick="parent.location.href='http://www.hebeidaily.com.cn'">
</form>
</body>
</html>
<head>
<title>动态下拉菜单</title>
<style>
SELECT.smallSel
{
BACKGROUND-COLOR: white;
COLOR: #000080;
FONT-SIZE: 9pt
}
</style>
<script language=javascript>
<!-- hide from old browsers...
/* 动态下拉菜单 -- written by Taylor Chen (Taylor999)
如果您发现任何问题，请E-mail给我，Taylor@etang.com
*/
var info = new Array(
"杂文*弥天大谎的背后|院士相当于副省级?|为教育打几个激灵|预算黑洞一例|官不贵，民不贱|省了麻烦|
轿车不如轿子说|这回确是个别|血和泪构成的笑话|给张艺谋松绑吧!",
"生活随笔*木兰漂亮吗?|一张旧车票|酒味杂谈|时空隧道|最后捞一把",
"文选*家庭也要有民主|“待遇”的联想|“农民”不是形容词|只多一点点",
"读者*当代“士子”之悲|谈程序|厅长说与百姓说|其实很高明");
var infoA=new Array(
"焦点话题*安徽：国企领导可以超龄任职|新世纪怎么花钱|武汉：企业将告别行政级别",
"读者书屋*欲火",
"品味园*破译“中国人之谜”不妨读读《闲话中国人》|请客吃饭乐无穷|走动走动向上浮动|文人也当谋富
|做并享受着———与白岩松笑谈摭拾|比谁写得厚",
"环球采风*法国建成绿色学校|俄罗斯第一夫人温情谈恋史|法国人才外流有原因|德国电脑人才可破例|德
国慕尼黑啤酒节",
"人物春秋*我所知道的胡乔木|自信些，迎接全球化|红与黑");
var mywork= new Array("",info,infoA);
/************************************************************************************************
******/
function stringSplit ( string, delimiter ) {
if ( string == null || string == "" ) {
return null;
} else if ( string.split != null ) {
return string.split ( delimiter );
} else {
var ar = new Array();
var i = 0;
var start = 0;
while( start >= 0 && start < string.length ) {
var end = string.indexOf ( delimiter, start ) ;
if( end >= 0 ) {
ar[i++] = string.substring ( start, end );
start = end+1;
} else {
ar[i++] = string.substring ( start, string.length );
start = -1;
}
}
return ar;
}
}
/************************************************************************************************
******/
var menu1 = new Array();
var menu2 = new Array();
/************************************************************************************************
******/
function createMenus ( wh ) {
var infoname = new Array();
infoname=mywork[wh];
for ( var i=0; i < infoname.length; i++ ) {
menu1[i] = stringSplit ( infoname[i], '*' );
menu2[i] = stringSplit ( menu1[i][1], '|' );
}
var author = document.myForm.main;
var book = document.myForm.title;
author.length = infoname.length;
book.length = menu2[0].length;
for ( var i=0; i < infoname.length; i++ ) {
author.options[i].value = menu1[i][0];
author.options[i].text = menu1[i][0];
}
document.myForm.main.selected = 0;
for (var x=0; x < menu2[0].length; x++) {
book.options[x].text = menu2[0][x];
book.options[x].value = menu2[0][x];
}
document.myForm.title.selected = 0;
}
/************************************************************************************************
******/
function updateMenus ( what ) {
var sel = what.selectedIndex;
if ( sel >= 0 && sel < menu1.length )
var temp = menu2[sel];
else
var temp = new Array ();
what.form.title.length = temp.length;
for ( var i = 0; i < temp.length; i++ ) {
what.form.title.options[i].text = temp[i];
what.form.title.options[i].value = temp[i];
}
what.form.title.selected=0;
}
// end of hiding -->
</script>
</head>
<body background="" bgcolor="#ffffff" text="#400040" link="#ff0080" vlink="#ff8080"
alink="#ff0000">
<center><h1>动态下拉菜单</h1></center>
<form name=myForm action=test2.asp method=post><p>
分类:
<select name=my size=1 onchange="createMenus(document.myForm.my.selectedIndex)" class="smallsel">
<option selected></option>
<option value="info">杂文报</option>
<option value="infoA">书刊报</option>
</select>
<p>
作者: <select name="main" size=1 onChange="updateMenus(this)" class="smallsel">
<option>
;
<option>
<option>
</select>
<p>
标题:
<select name="title" size=1 class="smallsel">
<option>
;
<option>
<option>
</select>
<input type=button value=Submit onclick="parent.location.href='http://www.hebeidaily.com.cn'">
</form>
</body>
</html>
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