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这是一个在经典论坛曾经热讨论的问题，记得在QQ邮箱里也有类似功能，Discuz7.0论坛里同样也有，当你的鼠标单击文本框的时候，会弹出一个包含文字、图片、表单无素的DIV层，里面的元素都可以进行操作，很方便，选中的值会自动添加到文本框内。本代码经过了多次修正，没有进行过多美化，你美工好的话可以自己美化。
<!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" mrc="text/html; charset=gb2312" /> <title>文本框弹出内容框并取值- www.mb5u.com </title> <Script language="javascript" type="text/javascript"> function moveselect(obj,target,all){ if (!all) all=0 if (obj!="[object]") obj=eval("document.all."+obj) target=eval("document.all."+target) if (all==0) { while (obj.selectedIndex>-1){ mot=obj.options[obj.selectedIndex].text mov=obj.options[obj.selectedIndex].value obj.remove(obj.selectedIndex) var newoption=document.createElement("OPTION"); newoption.text=mot newoption.value=mov target.add(newoption) } } else { for (i=0;i<obj.length;i++) { mot=obj.options[i].text mov=obj.options[i].value var newoption=document.createElement("OPTION"); newoption.text=mot newoption.value=mov target.add(newoption) } obj.options.length=0 } } function dakai(){ document.getElementById('light').style.display='block'; document.getElementById('fade').style.display='block' } function guanbi(){ var yuanGong=document.getElementById("yuanGong") yuanGong.value=""//如果不加这句，则每次选择的结果追加 var huoQu=document.getElementById("D2") for(var k=0;k<huoQu.length;k++) yuanGong.value=yuanGong.value + huoQu.options[k].value + " "//这里的" "中间为空格，为字符间的分隔符，你可以改成别的 document.getElementById('light').style.display='none'; document.getElementById('fade').style.display='none' } </script> <style> .black_overlay{display: none;position: absolute;top: 0%;left: 0%;width: 100%;height: 100%;background-color:#FFFFFF;z-index:1001;-moz-opacity: 0.8;opacity:.80;filter: alpha(opacity=80);} .white_mrc {display: none;position: absolute;top: 25%;left: 25%;width: 50%;height: 50%;padding: 16px;border: 16px solid orange; margin:-32px; background-color: white;z-index:1002;overflow: auto;} </style> </head> <body> <input type="text" id="yuanGong" onclick="dakai()" size="50"> <div id="light" class="white_mrc"> <table border="1" width="350" id="table4" bordercolor="#CCCCCC" bordercolordark="#CCCCCC" bordercolorlight="#FFFFFF" cellpadding="3" cellspacing="0"> <tr> <td width="150" height="200" align="center" valign="middle"> 该部门员工 <select size="12" name="D1" ondblclick="moveselect(this,'D2')" multiple="multiple" style="width:140px"> <option value="员工1">员工1</option> <option value="员工2">员工2</option> <option value="员工3">员工3</option> </select> </td> <td width="50" height="200" align="center" valign="middle"> <input type="button" value="<<" name="B3" onclick="moveselect('D2','D1',1)" /><br /> <input type="button" value="<" name="B5" onclick="moveselect('D2','D1')" /><br /> <input type="button" value=">" name="B6" onclick="moveselect('D1','D2')" /><br /> <input type="button" value=">>" name="B4" onclick="moveselect('D1','D2',1)" /><br /> </td> <td width="150" height="200" align="center" valign="middle"> 未划分部门员工 <select size="12" name="D2" id="D2" ondblclick="moveselect(this,'D1')" multiple="multiple" style="width:140px"> <option value="员工4">员工4</option> <option value="员工5">员工5</option> </select> </td> </tr> </table> <a href = "javascript:void(0)" onclick = "guanbi()">确定</a><BR><BR> </div> <div id="fade" class="black_overlay"></div> </body> </html>