jQuery创建及操作xml格式数据示例

zyb00yaonuli

2018-05-26

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：

jQuery创建及操作xml格式数据示例