<style type="text/css"> *{ margin:0px auto; padding:0px} #wai{ 500px; height:500px} #left{ 200px; height:500px; float:left} #zhong{ 100px; height:500px; float:left} #right{ 200px; height:500px; float:left} </style> </head> <body> <br /> <div id="wai"> <div id="left"> <select style="200px; height:300px" id="selleft" multiple="multiple"> <option value="山东">山东</option> <option value="淄博">淄博</option> <option value="张店">张店</option> </select> </div> <div id="zhong"> <div style="margin-left:10px; margin-top:20px"> <input style="60px; height:30px" type="button" value=">>" onclick="moveall()" /> </div> <div style="margin-left:10px; margin-top:30px"> <input style="60px; height:30px" type="button" value=">" onclick="moveone()" /> </div> </div> <div id="right"> <select id="selright" multiple="multiple" style="200px; height:300px"></select> </div> </div> <script type="text/javascript"> function moveone() { var left = document.getElementById("selleft"); var right = document.getElementById("selright"); var xz = left.value; var str = "<option value='"+xz+"'>"+xz+"</option>"; //判断 //alert(right.childNodes.item(0)); var bs = 0; for(var i=0;i<right.childNodes.length;i++) { if(right.childNodes.item(i).text==xz) { bs = 1; } } if(bs==0) { //追加 right.innerHTML = right.innerHTML+str; } } function moveall() { var left = document.getElementById("selleft"); var right = document.getElementById("selright"); right.innerHTML = left.innerHTML; } </script>
年月日的选择
<body> <select id="nian" onclick="biantian()"></select>年 <select id="yue" onclick="biantian()"></select>月 <select id="tian"></select>日 <script type="text/javascript"> FillNian(); FillYue(); FillTian(); function FillNian() { var b = new Date(); //获取当前时间 var nian = parseInt(b.getFullYear()); var str = ""; for(var i=nian-5;i<nian+6;i++) { str = str+"<option value='"+i+"'>"+i+"</option>"; } document.getElementById("nian").innerHTML = str; } function FillYue() { var str = ""; for(var i=1;i<13;i++) { str = str+"<option value='"+i+"'>"+i+"</option>"; } document.getElementById("yue").innerHTML = str; } function FillTian() { var yue = document.getElementById("yue").value; var nian = document.getElementById("nian").value; var ts = 31; if(yue==4 || yue==6 || yue==9 || yue==11) { ts=30; } if(yue==2) { if((nian%4==0 && nian%100 != 0) || nian%400==0) { ts = 29; } else { ts = 28; } } var str = ""; for(var i=1;i<ts+1;i++) { str = str+"<option value='"+i+"'>"+i+"</option>"; } document.getElementById("tian").innerHTML = str; } function biantian() { FillTian(); } </script> </body>