asp.net C# 中如何将文本框和下拉框整合到一起？ 5
3个回答
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<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="javascript" src="combox.js"></script>
</HEAD>
<BODY>
<table border="1" style="border-collapse:collapse ">
<tr>
<td width="300"><select name=test1>
<option value="可编辑下拉框1" selected>可编辑下拉框1</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<INPUT TYPE="button" value="获取编辑框1的值" onclick="alert(document.getElementById('username').value)">
</td>
<td width="109"><select name=test2>
<option value="可编辑下拉框2">可编辑下拉框25555555</option>
<option value="1">4</option>
<option value="2" selected>5</option>
<option value="3">6</option>
</select>
</td>
<td width="343">
<INPUT TYPE="button" value="获取编辑框2的值" onclick="alert(document.getElementById('password').value)">
</td>
</tr>
</table>
<script language="javascript">
var a=new combox("username","test1");
//参数1为新生成输入框的名称
//参数2为原来的select对象名称
a.init(a);
var b=new combox("password","test2");
b.init(b);
function combox(_inpuObjName,_controlSelectName)
{
this.inpuObjName=_inpuObjName;//生成的输入框对象名称
this.inputbox=null;//生成的输入框对象
this.controlSelect=document.getElementById(_controlSelectName);//原来的下拉框对象
//初始化对象
//_comboxObj:combox对象，须指向自己
this.init=function(_comboxObj)
{
this.inputbox=document.createElement("input");
this.inputbox.id=this.inpuObjName;
this.inputbox.comboxObj=_comboxObj;
this.inputbox.onchange=function()
{
this.comboxObj.find();
}
with(this.inputbox.style)
{
width=this.controlSelect.offsetWidth-16;
height=this.controlSelect.offsetHeight;
}
this.controlSelect.insertAdjacentElement("beforeBegin",this.inputbox);
_span=document.createElement("span");
_span.style.width=18;
this.controlSelect.insertAdjacentElement("beforeBegin",_span);
_span.appendChild(this.controlSelect);
_container=document.createElement("span");
this.inputbox.insertAdjacentElement("beforeBegin",_container);
_container.appendChild(this.inputbox);
_container.appendChild(_span);
_container.style.width=this.inputbox.offsetWidth+18;
_width=this.controlSelect.offsetWidth-18;
with (this.controlSelect.style)
{
margin="0 0 0 -"+_width;
}
this.controlSelect.comboxObj=_comboxObj;
this.controlSelect.onchange=function()
{
this.comboxObj.change();
}
this.change();
}
//当搜索到输入框的值时,下拉框自动定位/
this.find=function()
{
with (this.controlSelect)
{
for(i=0;i<options.length;i++)
if(options[i].text.indexOf(this.inputbox.value)==0)
{
selectedIndex=i;
this.change();
break;
}
}
}
//定义下拉框的onchange事件
this.change=function()
{
this.inputbox.value=this.controlSelect.options[this.controlSelect.selectedIndex].text;
with (this.inputbox)
{
select();
focus();
}
}
}
/**
* 定位函数，获取控件绝对坐标
*/
function getLeftPos(e)
{
var left=e.offsetLeft;
while (e=e.offsetParent)
{
left+=e.offsetLeft;
}
return left;
}
function getTopPos(e)
{
var top=e.offsetTop;
while (e=e.offsetParent)
{
top+=e.offsetTop;
}
return top;
}
</script>
</BODY>
</HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="javascript" src="combox.js"></script>
</HEAD>
<BODY>
<table border="1" style="border-collapse:collapse ">
<tr>
<td width="300"><select name=test1>
<option value="可编辑下拉框1" selected>可编辑下拉框1</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<INPUT TYPE="button" value="获取编辑框1的值" onclick="alert(document.getElementById('username').value)">
</td>
<td width="109"><select name=test2>
<option value="可编辑下拉框2">可编辑下拉框25555555</option>
<option value="1">4</option>
<option value="2" selected>5</option>
<option value="3">6</option>
</select>
</td>
<td width="343">
<INPUT TYPE="button" value="获取编辑框2的值" onclick="alert(document.getElementById('password').value)">
</td>
</tr>
</table>
<script language="javascript">
var a=new combox("username","test1");
//参数1为新生成输入框的名称
//参数2为原来的select对象名称
a.init(a);
var b=new combox("password","test2");
b.init(b);
function combox(_inpuObjName,_controlSelectName)
{
this.inpuObjName=_inpuObjName;//生成的输入框对象名称
this.inputbox=null;//生成的输入框对象
this.controlSelect=document.getElementById(_controlSelectName);//原来的下拉框对象
//初始化对象
//_comboxObj:combox对象，须指向自己
this.init=function(_comboxObj)
{
this.inputbox=document.createElement("input");
this.inputbox.id=this.inpuObjName;
this.inputbox.comboxObj=_comboxObj;
this.inputbox.onchange=function()
{
this.comboxObj.find();
}
with(this.inputbox.style)
{
width=this.controlSelect.offsetWidth-16;
height=this.controlSelect.offsetHeight;
}
this.controlSelect.insertAdjacentElement("beforeBegin",this.inputbox);
_span=document.createElement("span");
_span.style.width=18;
this.controlSelect.insertAdjacentElement("beforeBegin",_span);
_span.appendChild(this.controlSelect);
_container=document.createElement("span");
this.inputbox.insertAdjacentElement("beforeBegin",_container);
_container.appendChild(this.inputbox);
_container.appendChild(_span);
_container.style.width=this.inputbox.offsetWidth+18;
_width=this.controlSelect.offsetWidth-18;
with (this.controlSelect.style)
{
margin="0 0 0 -"+_width;
}
this.controlSelect.comboxObj=_comboxObj;
this.controlSelect.onchange=function()
{
this.comboxObj.change();
}
this.change();
}
//当搜索到输入框的值时,下拉框自动定位/
this.find=function()
{
with (this.controlSelect)
{
for(i=0;i<options.length;i++)
if(options[i].text.indexOf(this.inputbox.value)==0)
{
selectedIndex=i;
this.change();
break;
}
}
}
//定义下拉框的onchange事件
this.change=function()
{
this.inputbox.value=this.controlSelect.options[this.controlSelect.selectedIndex].text;
with (this.inputbox)
{
select();
focus();
}
}
}
/**
* 定位函数，获取控件绝对坐标
*/
function getLeftPos(e)
{
var left=e.offsetLeft;
while (e=e.offsetParent)
{
left+=e.offsetLeft;
}
return left;
}
function getTopPos(e)
{
var top=e.offsetTop;
while (e=e.offsetParent)
{
top+=e.offsetTop;
}
return top;
}
</script>
</BODY>
</HTML>
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