jQuery创建及操作xml格式数据示例

程序员文章站 2023-11-24 21:41:52

本文实例讲述了jquery创建及操作xml格式数据。分享给大家供大家参考，具体如下：

<!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>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>jquery创建及操作xml</title>
</head>
<body>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script>
$(function(){
  var xmldom=$($.parsexml("<?xml version=\"1.0\" encoding=\"utf-8\" ?><root><person></person></root>"));
  xmldom.find("root").appendxml("<content/>").text("测试");
  xmldom.find("content").beforexml("<test/>");
  alert(xmldom.xml());
});
(function($) {
    function mnpxml(opcode, xmlstr) {
      return this.each(function() {
        if (typeof xmlstr != "string") return;
        if (!jquery.isxmldoc(this)) return;
        var node = $.parsexml(xmlstr).firstchild.clonenode(true);
        switch (opcode) {
          case "append":
            this.appendchild(node);
            break;
          case "prepend":
            if (this.childnodes.length > 0)
              this.insertbefore(node, this.firstchild);
            else
              this.appendchild(node);
            break;
          case "after":
            if (this.nextsibling)
              this.parentnode.insertbefore(node, this.nextsibling);
            else
              this.parentnode.appendchild(node);
            break;
          case "before":
            this.parentnode.insertbefore(node, this);
            break;
        }
      });
    }
    $.fn.extend({
      appendxml: function(s) {
        return mnpxml.call(this, "append", s);
      },
      prependxml: function(s) {
        return mnpxml.call(this, "prepend", s);
      },
      afterxml: function(s) {
        return mnpxml.call(this, "after", s);
      },
      beforexml: function(s) {
        return mnpxml.call(this, "before", s);
      },
      xml: function() {
        var elem = this[0];
        return elem.xml || (new xmlserializer()).serializetostring(elem) ;
      },
      innerxml: function() {
        var s = this.xml();
        var i = s.indexof(">"), j = s.lastindexof("<");
        if (j > i)
          return s.substring(i + 1, j);
        else
          return "";
      }
    });
    $.extend(jquery, {
      parsexml: function(xmlstr) {
        if (window.activexobject) {
          var xd = new activexobject("microsoft.xmldom");
          xd.async = false;
          xd.loadxml(xmlstr);
          return xd;
        }
        else if (typeof domparser != "undefined") {
          var xd = new domparser().parsefromstring(xmlstr, "text/xml");
          return xd;
        }
        else return null;
      },
      toxml: function(obj, nodename, useattr) {
        var x = $($.parsexml("<" + nodename + " />"));
        var n = x.find(":first");
        for (var p in obj) {
          if (useattr)
            n.attr(p, obj[p]);
          else
            n.appendxml("<" + p + " />").find(p).text(obj[p]);
        }
        return x[0];
      }
    });
  })(jquery);
</script>
</body>
</html>

运行结果：