[Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]
js核心代码
复制代码 代码如下:
function fMoveSelectedOptionsLeftToRight(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oLeft))
{
return;
}
if(oLeft.selectedIndex==-1)
{
oLeft.selectedIndex=0;
}
for(var i=0;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);
}
function fMoveAllOptionsLeftToRight(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oLeft))
{
return;
}
for(var i=0;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);
}
function fMoveSelectedOptionsRightToLeft(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oRight))
{
return;
}
if(oRight.selectedIndex==-1)
{
oRight.selectedIndex=0;
}
for(var i=0;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);
}
function fMoveAllOptionsRightToLeft(oLeft,oRight)
{
if(!(oLeft&&oRight))
{
return;
}
if(!hasOptions(oRight))
{
return;
}
for(var i=0;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);
}
function clearAllOptions(oSelect)
{
if(oSelect)
{
var ops=oSelect.options;
while(ops.length>0)
{
oSelect.remove(ops.length-1);
}
}
}
function clearSelectedOptions(oSelect)
{
if(oSelect)
{
for(var i=0;i
if(oSelect.options[i].selected)
{
oSelect.remove(i--);
}
}
}
}
function hasOptions(oSelect)
{
if(oSelect)
{
return oSelect.options.length>0;
}
return false;
}
