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请问：有一个文本框，和一个下拉框，我想在文本框中输入一段汉字，点击一个添加按钮，这段汉字就会出现在下拉框中，可以输入多条汉字，然后还要实现对汉字的上下移动和删除，请教源代码
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ssm1226 2002-12-20
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<SCRIPT LANGUAGE=javascript>
<!--
function addItem(){
var strTemp=document.all.text1.value
if(strTemp!=""){
var o=document.createElement("option");
o.text=strTemp;
document.all.sel.add(o);}
}
function delItem(){
var intIdx=document.all.sel.selectedIndex;
document.all.sel.remove(intIdx);
}
function moveUp(){
var objTemp=document.all.sel;
var intIdx=objTemp.selectedIndex;
if(intIdx>0){
var strTemp=objTemp[intIdx-1].text;
objTemp[intIdx-1].text=objTemp[intIdx].text;
objTemp[intIdx].text=strTemp;
objTemp[intIdx-1].selected=true;
}
}
function moveDown(){
var objTemp=document.all.sel;
var intIdx=objTemp.selectedIndex;
if(intIdx<objTemp.length){
var strTemp=objTemp[intIdx+1].text;
objTemp[intIdx+1].text=objTemp[intIdx].text;
objTemp[intIdx].text=strTemp;
objTemp[intIdx+1].selected=true;
}
}
//-->
</SCRIPT>
<INPUT type="text" id=text1 name=text1>
<BR><BR>
<select name=sel>
<option>雨中人1</option>
<option>雨中人2</option>
<option>雨中人3</option>
</select>
<BR><BR><BR>
<INPUT type="button" value="添加" id=button1 name=button1 onclick="addItem()">
<INPUT type="button" value="上移" id=button2 name=button2 onclick="moveUp()">
<INPUT type="button" value="下移" id=button3 name=button3 onclick="moveDown()">
<INPUT type="button" value="删除" id=button4 name=button4 onclick="delItem()">
无爱大叔 2002-12-20
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<HTML>
<HEAD>
<TITLE>列表构造器</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function move(fbox,tbox) {
var i = 0;
if(fbox.value != "") {
var no = new Option();
no.value = fbox.value;
no.text = fbox.value;
tbox.options[tbox.options.length] = no;
fbox.value = "";
}
}
function remove(box) {
for(var i=0; i<box.options.length; i++) {
if(box.options[i].selected && box.options[i] != "") {
box.options[i].value = "";
box.options[i].text = "";
}
}
BumpUp(box);
}
function BumpUp(abox) {
for(var i = 0; i < abox.options.length; i++) {
if(abox.options[i].value == "") {
for(var j = i; j < abox.options.length - 1; j++) {
abox.options[j].value = abox.options[j + 1].value;
abox.options[j].text = abox.options[j + 1].text;
}
var ln = i;
break;
}
}
if(ln < abox.options.length) {
abox.options.length -= 1;
BumpUp(abox);
}
}
function Moveup(dbox) {
for(var i = 0; i < dbox.options.length; i++) {
if (dbox.options[i].selected && dbox.options[i] != "" && dbox.options[i] != dbox.options[0]) {
var tmpval = dbox.options[i].value;
var tmpval2 = dbox.options[i].text;
dbox.options[i].value = dbox.options[i - 1].value;
dbox.options[i].text = dbox.options[i - 1].text
dbox.options[i-1].value = tmpval;
dbox.options[i-1].text = tmpval2;
}
}
}
function Movedown(ebox) {
for(var i = 0; i < ebox.options.length; i++) {
if (ebox.options[i].selected && ebox.options[i] != "" && ebox.options[i+1] != ebox.options[ebox.options.length]) {
var tmpval = ebox.options[i].value;
var tmpval2 = ebox.options[i].text;
ebox.options[i].value = ebox.options[i+1].value;
ebox.options[i].text = ebox.options[i+1].text
ebox.options[i+1].value = tmpval;
ebox.options[i+1].text = tmpval2;
}
}
}
// End -->
</script>
</HEAD>
<BODY BGCOLOR=#ffffff vlink=#0000ff>
<BR>
<center>
<BR>
列表构造器 <BR>
<BR>
<!-- Demonstration -->
<form ACTION="" METHOD="POST">
<table>
<tr>
<td>
<input type="text" name="list1" value="">
</td>
<td>
<input type="button" value="Add" onclick="move(this.form.list1,this.form.list2)" name="B1"><br>
<input type="button" value="Delete" onclick="remove(this.form.list2)" name="B2"><br><br>
<input type="button" value="Up" onclick="Moveup(this.form.list2)" name="B3"><br>
<input type="button" value="Down" onclick="Movedown(this.form.list2)" name="B4">
</td>
<td>
<select size=1 name="list2">
<option value="one">one</option>
<option value="two">two</option>
<option value="three">three</option>
<option value="four">four</option>
<option value="five">five</option>
<option value="six">six</option>
</select>
</td>
</tr>
</table>
</form>
<P>
<P>
<a name="source"></a>
<!--content_stop-->
<p>
<center>
</center></center></body></html>
<HEAD>
<TITLE>列表构造器</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function move(fbox,tbox) {
var i = 0;
if(fbox.value != "") {
var no = new Option();
no.value = fbox.value;
no.text = fbox.value;
tbox.options[tbox.options.length] = no;
fbox.value = "";
}
}
function remove(box) {
for(var i=0; i<box.options.length; i++) {
if(box.options[i].selected && box.options[i] != "") {
box.options[i].value = "";
box.options[i].text = "";
}
}
BumpUp(box);
}
function BumpUp(abox) {
for(var i = 0; i < abox.options.length; i++) {
if(abox.options[i].value == "") {
for(var j = i; j < abox.options.length - 1; j++) {
abox.options[j].value = abox.options[j + 1].value;
abox.options[j].text = abox.options[j + 1].text;
}
var ln = i;
break;
}
}
if(ln < abox.options.length) {
abox.options.length -= 1;
BumpUp(abox);
}
}
function Moveup(dbox) {
for(var i = 0; i < dbox.options.length; i++) {
if (dbox.options[i].selected && dbox.options[i] != "" && dbox.options[i] != dbox.options[0]) {
var tmpval = dbox.options[i].value;
var tmpval2 = dbox.options[i].text;
dbox.options[i].value = dbox.options[i - 1].value;
dbox.options[i].text = dbox.options[i - 1].text
dbox.options[i-1].value = tmpval;
dbox.options[i-1].text = tmpval2;
}
}
}
function Movedown(ebox) {
for(var i = 0; i < ebox.options.length; i++) {
if (ebox.options[i].selected && ebox.options[i] != "" && ebox.options[i+1] != ebox.options[ebox.options.length]) {
var tmpval = ebox.options[i].value;
var tmpval2 = ebox.options[i].text;
ebox.options[i].value = ebox.options[i+1].value;
ebox.options[i].text = ebox.options[i+1].text
ebox.options[i+1].value = tmpval;
ebox.options[i+1].text = tmpval2;
}
}
}
// End -->
</script>
</HEAD>
<BODY BGCOLOR=#ffffff vlink=#0000ff>
<BR>
<center>
<BR>
列表构造器 <BR>
<BR>
<!-- Demonstration -->
<form ACTION="" METHOD="POST">
<table>
<tr>
<td>
<input type="text" name="list1" value="">
</td>
<td>
<input type="button" value="Add" onclick="move(this.form.list1,this.form.list2)" name="B1"><br>
<input type="button" value="Delete" onclick="remove(this.form.list2)" name="B2"><br><br>
<input type="button" value="Up" onclick="Moveup(this.form.list2)" name="B3"><br>
<input type="button" value="Down" onclick="Movedown(this.form.list2)" name="B4">
</td>
<td>
<select size=1 name="list2">
<option value="one">one</option>
<option value="two">two</option>
<option value="three">three</option>
<option value="four">four</option>
<option value="five">five</option>
<option value="six">six</option>
</select>
</td>
</tr>
</table>
</form>
<P>
<P>
<a name="source"></a>
<!--content_stop-->
<p>
<center>
</center></center></body></html>
