<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>选择式下拉菜单</title><script language="javascript" type="text/Javascript"> function moveOption(e1, e2){ try{ for(var i=0;i<e1.options.length;i++){ if(e1.options[i].selected){ var e = e1.options[i]; e2.options.add(new Option(e.text, e.value)); e1.remove(i); ii=i-1; } } document.form1.city.value=getvalue(document.form1.list2); }catch(e){ } } function getvalue(geto){ var allvalue = ""; for(var i=0;i<geto.options.length;i++){ allvalue +=geto.options[i].value + ","; } return allvalue; } function changepos(obj,index) { if(index==-1){ if (obj.selectedIndex>0){ //obj.options(obj.selectedIndex).swapNode(obj.options(obj.selectedIndex-1)) //swapNode方法只有IE才支持 obj.insertBefore(obj.options[obj.selectedIndex], obj.options[obj.selectedIndex - 1]); } }else if(index==1){ if (obj.selectedIndex<obj.options.length-1){ //obj.options(obj.selectedIndex).swapNode(obj.options(obj.selectedIndex+1)) //swapNode方法只有IE才支持 obj.insertBefore(obj.options[obj.selectedIndex + 1], obj.options[obj.selectedIndex]); } } } </script><style type="text/CSS">body { font-size: 16px; color: #003300;}</style></head><body><form method="post" name="form1" action="" style="text-align:center;"> <table border="0" width="300" align="center"> <tr> <td width="40%"><select style="width:100%" multiple name="list1" size="12" ondblclick="moveOption(document.form1.list1, document.form1.list2)"> <option value="张三">张三</option> <option value="李四">李四</option> <option value="王五">王五</option> <option value="赵六">赵六</option> <option value="钱七">钱七</option> <option value="软件">软件</option> <option value="客服">客服</option> <option value="硬件">硬件</option> <option value="安全">安全</option> <option value="会计">会计</option> <option value="出纳">出纳</option> </select></td> <td width="20%" align="center"><input type="button" value="添加" onclick="moveOption(document.form1.list1, document.form1.list2)"/> <br/> <br/> <input type="button" value="删除" onclick="moveOption(document.form1.list2, document.form1.list1)"/></td> <td width="40%"><select style="width:100%" multiple name="list2" size="12" ondblclick="moveOption(document.form1.list2, document.form1.list1)"> </select></td> <td><input type="button" value="上移" onclick="changepos(list2,-1)"/> <br/> <br/> <input type="button" value="下移" onclick="changepos(list2,1)"/></td> </tr> </table> 值： <input type="text" name="city" size="40" /></form><p align="center">选定一项或多项然后点击添加或移除(按住shift或ctrl可以多选)，<br /> 或在选择项上双击进行添加和移除。</p></body></html>
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