jQuery 解析xml文件

复制代码 代码如下:

  <html xmlns="http://www.w3.org/1999/xhtml">

  <head runat="server">

  <title>jquery xml解析</title>

  <script src="jquery.min.js" type="text/javascript"></script>

  <script type="text/javascript">

  $(document).ready(function(){

  $.ajax({url:"City.xml",

  success:function(xml){

  $(xml).find("province").each(function(){

  var t = $(this).attr("name");//this->

  $("#DropProvince").append("<option>"+t+"</option>");

  });

  }

  });

  $("#DropProvince").change(function(){

  $("#sCity>option").remove();

  var pname = $("#DropProvince").val();

  $.ajax({url:"City.xml",

  success:function(xml){

  $(xml).find("province[name='"+pname+"']>city").each(function(){

  $("#sCity").append("<option>"+$(this).text()+"</option>");

  });

  }

  });

  });

  });

  </script>

  </head>

  <body>

  <form id="form1">

  <div>

  <select id="DropProvince" style="width:60px;">

  <option>请选择</option>

  </select>

  <select id="sCity" style="width:60px;">

  </select>

  </div>

  </form>

  </body>

  </html>

  city.xml文件

  

复制代码 代码如下:

  <?xml version="1.0" encoding="utf-8" ?>

  <provinces>

  <province name="湖北">

  <city>武汉</city>

  <city>黄石</city>

  <city>宜昌</city>

  <city>天门</city>

  </province>

  <province name="湖南">

  <city>邵阳</city>

  <city>长沙</city>

  <city>岳阳</city>

  </province>

  <province name="广东">

  <city>广州</city>

  <city>深圳</city>

  </province>

  </provinces>

  其实主要是注意怎样在html界面上解析xml文件,格式就是

  

复制代码 代码如下:

  <script type="text/javascript">

  $(document).ready(function () {

  $.ajax({

  url: "City.xml",

  success: function (xml) {

  $(xml).find("province").each(function () {

  var t = $(this).attr("name");

  $("#DropProvince").append("<option>" + t + "</option>");

  });

  }

  });

  $("#DropProvince").change(function () {

  $("#sCity>option").remove();

  var pname = $("#DropProvince").val();

  $.ajax({

  url: "City.xml",

  success: function (xml) {

  $(xml).find("province[name='"+pname+"']>city").each(function(){

  $("#sCity").append("<option>"+$(this).text()+"</option>");

  });

  }

  });

  });

  });

  </script>

  就是用$.ajax()调用xml文件的内容。然后$.each()进行循环操作,基本思想就是这样的,成功之后去执行success这个回调函数。这里的xml文件是用来存储数据的,相当于在数据库中读取文件。