JS实现单击输入框弹出选择框效果完整实例

时间:2021-05-26

本文实例讲述了JS实现单击输入框弹出选择框效果的方法。分享给大家供大家参考,具体如下:

运行效果截图如下:

完整实例代码如下:

<!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><title>实用的单击输入框弹出选择框效果</title><meta http-equiv="content-type" content="text/html;charset=gb2312"><!--把下面代码加到<head>与</head>之间--><style type="text/css">.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_content{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><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){ //alert(obj.selectedIndex) 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 { //alert(obj.options.length) 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(){//下面上把右边select的值传到文本框内var yuanGong=document.getElementById("yuanGong")var yuanGongname=document.getElementById("yuanGongname");yuanGongname.value="";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,可以改成别的if (yuanGongname.value==""){yuanGongname.value=yuanGongname.value+ huoQu.options[k].text; //这里的" "中间为空格,为字符间的分隔符,可以改成别的}else{yuanGongname.value=yuanGongname.value+","+ huoQu.options[k].text; //这里的" "中间为空格,为字符间的分隔符,可以改成别的}}document.getElementById('light').style.display='none';document.getElementById('fade').style.display='none'}</script></head><body><!--把下面代码加到<body>与</body>之间--><input type="text" id="yuanGong" onclick="dakai()" size="50"><input type="text" id="yuanGongname" size="50"><div id="light" class="white_content"><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="1">员工1</option> <option value="2">员工2</option> <option value="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="4">员工4</option> <option value="5">员工5</option> </select> </td> </tr></table><a href="javascript:void(0)" onclick="guanbi()">确定</a><input type="button" name="button" onclick="guanbi()" value="也可以使用按钮来确定"></div><div id="fade" class="black_overlay"></div></body></html></body></html>

希望本文所述对大家JavaScript程序设计有所帮助。

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