<!DOCTYPE html>
<html> <head> <meta charset="UTF-8"> <title></title> <script src="../jquery-1.11.2.min.js"></script> </head> <body> <select id="sheng"></select> <select id="shi"></select> <select id="qu"></select> </body></html><script type="text/javascript"> $(document).ready(function(e){ //输出省 var code = "0001"; $.ajax({ async:false, //取消异步 url:"chuli.php", data:{code:code}, type:"POST", dataType:"TEXT", success:function(data){ var hang = data.trim().split("|"); //trim()去空格 var str=""; for(var i=0;i<hang.length;i++) { var lie = hang[i].split("^"); str = str+"<option value='"+lie[0]+"'>"+lie[1]+"</option>"; } $("#sheng").html(str); } });//输出市 $("#sheng").click(function(){ var code2=$("#sheng").val(); $.ajax({ async:false, url:"chuli.php", data:{code:code2}, type:"POST", dataType:"TEXT", success:function(data2){ var hang2 = data2.trim().split("|"); var str2 =""; for(var i=0;i<hang2.length;i++) { var lie2=hang2[i].split("^"); str2 = str2 +"<option value ='"+lie2[0]+"'>"+lie2[1]+"</option>"; } $("#shi").html(str2); } }); })//输出区县$("#shi").click(function(){ var code3=$("#shi").val(); $.ajax({ async:false, url:"chuli.php", data:{code:code3}, type:"POST", dataType:"TEXT", success:function(data3){ var hang3 = data3.split("|"); var str3 =""; for(var i=0;i<hang3.length;i++) { var lie3=hang3[i].split("^"); str3 = str3 +"<option value ='"+lie3[0]+"'>"+lie3[1]+"</option>"; } $("#qu").html(str3); } }); })})</script>这个好像有问题。。。。。。。而且，这个运行超慢~