<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>3G业务</title> <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" /> <meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" /> <script type="text/javascript"> function saveSelectIndex(){ var typeId=document.getElementById("typeId"); var typeIdText=typeId.options[typeId.selectedIndex].value; var osId=document.getElementById("osId"); var osIdText=osId.options[osId.selectedIndex].value; //设置多个cookie document.cookie="typeIdText="+typeIdText; document.cookie="osIdText="+osIdText; } function selectIndex(){ //记得初始化,否则会出现undefined var typeIdText=0; var osIdText=0; //获取多个cookie var coosStr=document.cookie;//注意此处分隔符是分号加空格 var coos=coosStr.split("; "); for(var i=0;i<coos.length;i++){ var coo=coos[i].split("="); //alert(coo[0]+":"+coo[1]); if("typeIdText"==coo[0]){ typeIdText=coo[1]; } if("osIdText"==coo[0]){ osIdText=coo[1]; } } var typeId=document.getElementById("typeId"); if(typeIdText==0){ typeId.selectedIndex=0; }else{ var length=typeId.options.length; for(var i=0;i<length;i++){ if(typeId.options[i].value==typeIdText){ typeId.selectedIndex=i; break; } } } var osId=document.getElementById("osId"); if(osIdText==0){ osId.selectedIndex=0; }else{ var length=typeId.options.length; for(var i=0;i<length;i++){ if(osId.options[i].value==osIdText){ osId.selectedIndex=i; break; } } } } </script> </head> <body onload="selectIndex();"> <form action="servlet/MoblieServlet?action=query" method="post"> <fieldset style="width: 250px; height: 160px"> <legend>3G业务查询</legend> <table align="center"> <tr> <td align="right">分类</td> <td> <select name="typeId" id="typeId" onchange="saveSelectIndex();"> <option value="0">请选择...</option> <option value="大类">通信类</option> <option value="中类">资讯类</option> <option value="小类">娱乐类</option> <option value="商品">互联网</option> </select> </td> </tr> <tr> <td align="right">操作系统</td> <td> <select name="osId" id="osId" onchange="saveSelectIndex();"> <option value="0">请选择...</option> <option value="Unix">android</option> <option value="Aix">WM6</option> <option value="Linux">WM7</option> <option value="Windows">S60 V5</option> <option value="Windows">S60 V3</option> <option value="Windows">Symbian 3</option> <option value="Windows">bada</option> <option value="Windows">IOS</option> <option value="Windows">webos</option> <option value="Windows">linux</option> </select> </td> </tr> <tr align="center"> <td colspan="2"> <input type="submit" value="查询" /> <input type="reset" value="清空" /> </td> </tr> </table> </fieldset> </form> </body> </html>
???? 运行效果: