select 多选 左右框添加删除
2012-04-20 17:56
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<html>
<head>
<title>js select</title>
<script>
/*移除左边选中的列表项到右边*/
function fMoveSelectedOptionsLeftToRight(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oLeft))
{
return;
}
if(oLeft.selectedIndex==-1)
{
oLeft.selectedIndex=0;
}
for(var i=0;i<oLeft.options.length;i++)
{
if(oLeft.options[i].selected)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oLeft.options[i].text);
oOption.setAttribute("value",oLeft.options[i].value);
oRight.add(oOption);
}
}
clearSelectedOptions(oLeft);
}
/*移除左边的所有列表项到右边*/
function fMoveAllOptionsLeftToRight(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oLeft))
{
return;
}
for(var i=0;i<oLeft.options.length;i++)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oLeft.options[i].text);
oOption.setAttribute("value",oLeft.options[i].value);
oRight.add(oOption);
}
clearAllOptions(oLeft);
}
/*移除右边选中的列表项到左边*/
function fMoveSelectedOptionsRightToLeft(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oRight))
{
return;
}
if(oRight.selectedIndex==-1)
{
oRight.selectedIndex=0;
}
for(var i=0;i<oRight.options.length;i++)
{
if(oRight.options[i].selected)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oRight.options[i].text);
oOption.setAttribute("value",oRight.options[i].value);
oLeft.add(oOption);
}
}
clearSelectedOptions(oRight);
}
/*移除右边的所有列表项到左边*/
function fMoveAllOptionsRightToLeft(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oRight))
{
return;
}
for(var i=0;i<oRight.options.length;i++)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oRight.options[i].text);
oOption.setAttribute("value",oRight.options[i].value);
oLeft.add(oOption);
}
clearAllOptions(oRight);
}
/*清空select所有options*/
function clearAllOptions(oSelect)
{
if(oSelect)
{
var ops=oSelect.options;
while(ops.length>0)
{
oSelect.remove(ops.length-1);
}
}
}
/*清空select所有选中的options*/
function clearSelectedOptions(oSelect)
{
if(oSelect)
{
for(var i=0;i<oSelect.options.length;i++)
{
if(oSelect.options[i].selected)
{
oSelect.remove(i--);
}
}
}
}
/*判断select是否有options*/
function hasOptions(oSelect)
{
if(oSelect)
{
return oSelect.options.length>0;
}
return false;
}
function checkForm(){
var onRight=document.forms[0].rightItem;
alert(onRight.options.length);
for(var i=0;i<onRight.options.length;i++){
var text=onRight.options[i].text;
var value=onRight.options[i].value;
alert(value+" "+text);
}
}
</script>
</head>
<body>
<form name="form1" method="post" action="">
<table border="0" align="center" width="75%" cellspacing="0" cellpadding="0">
<tr>
<td>
<table border="0" align="center">
<tr>
<td>
<select name="leftItem" style="width:200px" size="10" multiple="multiple">
<option value="1">item1</option>
<option value="2">item2</option>
<option value="3">item3</option>
<option value="4">item4</option>
<option value="5">item5</option>
</select>
</td>
</tr>
</table>
</td>
<td>
<table border="0" align="center">
<tr><td height="30"><input type="button" name="button1" style="width:50px" value=">" onClick="fMoveSelectedOptionsLeftToRight(document.all.leftItem,document.all.rightItem)"></td></tr>
<tr><td height="30"><input type="button" name="button2" style="width:50px" value=">>"
onClick="fMoveAllOptionsLeftToRight(document.all.leftItem,document.all.rightItem)"></td></tr>
<tr><td height="30"><input type="button" name="button3" style="width:50px" value="<"
onClick="fMoveSelectedOptionsRightToLeft(document.all.leftItem,document.all.rightItem)"></td></tr>
<tr><td height="30"><input type="button" name="button4" style="width:50px" value="<<"
onClick="fMoveAllOptionsRightToLeft(document.all.leftItem,document.all.rightItem)"></td></tr>
</table>
</td>
<td>
<table border="0" align="center">
<tr>
<td>
<select name="rightItem" style="width:200px" size="10" multiple="multiple">
</select>
</td>
</tr>
</table>
</td>
</tr>
</table>
<table border="0" align="center">
<tr height="40">
<td><input type="button" value="保存" onClick="checkForm()"></td>
</tr>
</table>
</form>
</body>
</html>
<head>
<title>js select</title>
<script>
/*移除左边选中的列表项到右边*/
function fMoveSelectedOptionsLeftToRight(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oLeft))
{
return;
}
if(oLeft.selectedIndex==-1)
{
oLeft.selectedIndex=0;
}
for(var i=0;i<oLeft.options.length;i++)
{
if(oLeft.options[i].selected)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oLeft.options[i].text);
oOption.setAttribute("value",oLeft.options[i].value);
oRight.add(oOption);
}
}
clearSelectedOptions(oLeft);
}
/*移除左边的所有列表项到右边*/
function fMoveAllOptionsLeftToRight(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oLeft))
{
return;
}
for(var i=0;i<oLeft.options.length;i++)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oLeft.options[i].text);
oOption.setAttribute("value",oLeft.options[i].value);
oRight.add(oOption);
}
clearAllOptions(oLeft);
}
/*移除右边选中的列表项到左边*/
function fMoveSelectedOptionsRightToLeft(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oRight))
{
return;
}
if(oRight.selectedIndex==-1)
{
oRight.selectedIndex=0;
}
for(var i=0;i<oRight.options.length;i++)
{
if(oRight.options[i].selected)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oRight.options[i].text);
oOption.setAttribute("value",oRight.options[i].value);
oLeft.add(oOption);
}
}
clearSelectedOptions(oRight);
}
/*移除右边的所有列表项到左边*/
function fMoveAllOptionsRightToLeft(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oRight))
{
return;
}
for(var i=0;i<oRight.options.length;i++)
{
var oOption = document.createElement("OPTION");
oOption.setAttribute("text",oRight.options[i].text);
oOption.setAttribute("value",oRight.options[i].value);
oLeft.add(oOption);
}
clearAllOptions(oRight);
}
/*清空select所有options*/
function clearAllOptions(oSelect)
{
if(oSelect)
{
var ops=oSelect.options;
while(ops.length>0)
{
oSelect.remove(ops.length-1);
}
}
}
/*清空select所有选中的options*/
function clearSelectedOptions(oSelect)
{
if(oSelect)
{
for(var i=0;i<oSelect.options.length;i++)
{
if(oSelect.options[i].selected)
{
oSelect.remove(i--);
}
}
}
}
/*判断select是否有options*/
function hasOptions(oSelect)
{
if(oSelect)
{
return oSelect.options.length>0;
}
return false;
}
function checkForm(){
var onRight=document.forms[0].rightItem;
alert(onRight.options.length);
for(var i=0;i<onRight.options.length;i++){
var text=onRight.options[i].text;
var value=onRight.options[i].value;
alert(value+" "+text);
}
}
</script>
</head>
<body>
<form name="form1" method="post" action="">
<table border="0" align="center" width="75%" cellspacing="0" cellpadding="0">
<tr>
<td>
<table border="0" align="center">
<tr>
<td>
<select name="leftItem" style="width:200px" size="10" multiple="multiple">
<option value="1">item1</option>
<option value="2">item2</option>
<option value="3">item3</option>
<option value="4">item4</option>
<option value="5">item5</option>
</select>
</td>
</tr>
</table>
</td>
<td>
<table border="0" align="center">
<tr><td height="30"><input type="button" name="button1" style="width:50px" value=">" onClick="fMoveSelectedOptionsLeftToRight(document.all.leftItem,document.all.rightItem)"></td></tr>
<tr><td height="30"><input type="button" name="button2" style="width:50px" value=">>"
onClick="fMoveAllOptionsLeftToRight(document.all.leftItem,document.all.rightItem)"></td></tr>
<tr><td height="30"><input type="button" name="button3" style="width:50px" value="<"
onClick="fMoveSelectedOptionsRightToLeft(document.all.leftItem,document.all.rightItem)"></td></tr>
<tr><td height="30"><input type="button" name="button4" style="width:50px" value="<<"
onClick="fMoveAllOptionsRightToLeft(document.all.leftItem,document.all.rightItem)"></td></tr>
</table>
</td>
<td>
<table border="0" align="center">
<tr>
<td>
<select name="rightItem" style="width:200px" size="10" multiple="multiple">
</select>
</td>
</tr>
</table>
</td>
</tr>
</table>
<table border="0" align="center">
<tr height="40">
<td><input type="button" value="保存" onClick="checkForm()"></td>
</tr>
</table>
</form>
</body>
</html>
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