Linq to XML遍历

　

XML文档 <?xml version="1.0" encoding="utf-8"?>
<fenxiao_orders_get_response>
  <purchase_orders list="true">
    <purchase_order>
      <id>258429315086973</id>
      <buyer_payment>378.00</buyer_payment>
      <distributor_from>taobao</distributor_from>
      <distributor_username>小公主精品坊</distributor_username>
      <distributor_payment>347.36</distributor_payment>
      <receiver>
        <address>埤城镇菜市场大门向北50米 华硕联想专卖 XXXX）</address>
        <district>丹阳市</district>
        <city>镇江市</city>
        <name>XXX</name>
        <mobile_phone>158061014444</mobile_phone>
        <phone></phone>
        <zip>212311</zip>
        <state>江苏省</state>
      </receiver>
      <fenxiao_id>1321177225990</fenxiao_id>
      <created>2013-05-13 12:26:54</created>
      <modified>2013-05-13 12:27:23</modified>
      <memo></memo>
      <status>WAIT_SELLER_SEND_GOODS</status>
      <alipay_no>2013051300001000140005672268</alipay_no>
      <pay_time>2013-05-13 12:27:21</pay_time>
      <pay_type>ALIPAY_SURETY</pay_type>
      <post_fee>0.00</post_fee>
      <shipping>SELLER</shipping>
      <sub_purchase_orders list="true">
        <sub_purchase_order>
          <item_id>342150555073</item_id>
          <item_outer_id>SS32S5657Y-5</item_outer_id>
          <auction_price>501.00</auction_price>
          <sku_outer_id>02230</sku_outer_id>
          <sku_id>1626255255073</sku_id>
          <bill_fee>378.00</bill_fee>
          <num>1</num>
          <buyer_payment>378.00</buyer_payment>
          <distributor_payment>347.36</distributor_payment>
          <total_fee>347.36</total_fee>
          <fenxiao_id>1321177225990</fenxiao_id>
          <created>2013-05-13 12:26:54</created>
          <old_sku_properties>颜色分类：02黄色，尺码：36</old_sku_properties>
          <order_200_status>WAIT_SELLER_SEND_GOODS</order_200_status>
          <price>347.36</price>
          <refund_fee>0.00</refund_fee>
          <sc_item_id>0</sc_item_id>
          <sku_properties>颜色分类：02黄色，尺码：36</sku_properties>
          <snapshot_url>http://gongxiao.tmall.com/product/product_snapshot.htm?subOrderId=1321177225990</snapshot_url>
          <status>WAIT_SELLER_SEND_GOODS</status>
          <id>258429315086973</id>
          <tc_order_id>218773986530992</tc_order_id>
          <title>星期六2013新款夏款羊皮高跟撞色拼坡跟细带凉鞋女鞋子SS32S5657Y</title>
        </sub_purchase_order>
      </sub_purchase_orders>
      <supplier_flag>0</supplier_flag>
      <supplier_from>taobao</supplier_from>
      <supplier_memo></supplier_memo>
      <supplier_username>淘趣女鞋专营店</supplier_username>
      <tc_order_id>218773986530992</tc_order_id>
      <total_fee>347.36</total_fee>
      <trade_type>AGENT</trade_type>
    </purchase_order>
    <purchase_order>
      <id>345350203660933</id>
      <buyer_payment>465.00</buyer_payment>
      <distributor_from>taobao</distributor_from>
      <distributor_username>kuuki小铺</distributor_username>
      <distributor_payment>427.38</distributor_payment>
      <receiver>
        <address>清城南区2号楼1单元702</address>
        <district>大兴区</district>
        <city>北京市</city>
        <name>XXX</name>
        <mobile_phone>15901107928</mobile_phone>
        <phone></phone>
        <zip>102600</zip>
        <state>北京</state>
      </receiver>
      <fenxiao_id>1321068151888</fenxiao_id>
      <created>2013-05-13 11:59:53</created>
      <modified>2013-05-13 13:00:33</modified>
      <memo>分销商kuuki小铺(2013-05-13 13:00:33)(已付款，未发货) :发中通！。</memo>
      <order_messages list="true">
        <order_message>
          <message_title>分销商留言</message_title>
          <message_content>发中通！</message_content>
          <message_time>2013-05-13 13:00:33</message_time>
          <pic_url>null</pic_url>
        </order_message>
      </order_messages>
      <status>WAIT_SELLER_SEND_GOODS</status>
      <alipay_no>2013051300001000320005717495</alipay_no>
      <pay_time>2013-05-13 12:59:11</pay_time>
      <pay_type>ALIPAY_SURETY</pay_type>
      <post_fee>0.00</post_fee>
      <shipping>SELLER</shipping>
      <sub_purchase_orders list="true">
        <sub_purchase_order>
          <item_id>331727105073</item_id>
          <item_outer_id>310045107-5</item_outer_id>
          <auction_price>628.50</auction_price>
          <sku_outer_id>0017225</sku_outer_id>
          <sku_id>1554103375073</sku_id>
          <bill_fee>465.00</bill_fee>
          <num>1</num>
          <buyer_payment>465.00</buyer_payment>
          <distributor_payment>427.38</distributor_payment>
          <total_fee>427.38</total_fee>
          <fenxiao_id>1321068151289</fenxiao_id>
          <created>2013-05-13 11:59:53</created>
          <old_sku_properties>颜色分类：0017黑+金，尺码：35</old_sku_properties>
          <order_200_status>WAIT_SELLER_SEND_GOODS</order_200_status>
          <price>427.38</price>
          <refund_fee>0.00</refund_fee>
          <sc_item_id>0</sc_item_id>
          <sku_properties>颜色分类：0017黑+金，尺码：35</sku_properties>
          <snapshot_url>http://gongxiao.tmall.com/product/product_snapshot.htm?subOrderId=1321068151289</snapshot_url>
          <status>WAIT_SELLER_SEND_GOODS</status>
          <id>345350203660933</id>
          <tc_order_id>258417910438629</tc_order_id>
          <title>迪芙斯2013新品高跟牛皮撞色拼粗带金属凉鞋女鞋子5107-0017</title>
        </sub_purchase_order>
      </sub_purchase_orders>
      <supplier_flag>0</supplier_flag>
      <supplier_from>taobao</supplier_from>
      <supplier_memo></supplier_memo>
      <supplier_username>淘趣女鞋专营店</supplier_username>
      <tc_order_id>258417910438629</tc_order_id>
      <total_fee>427.38</total_fee>
      <trade_type>AGENT</trade_type>
    </purchase_order>
      <total_results>47</total_results>
</fenxiao_orders_get_response>
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string pp = xml.OuterXml;
            XElement xele = XElement.Parse(pp).Element("purchase_orders");
            XElement ll = XElement.Parse(pp);

           //查询出buyer_payment大于400的节点
            IEnumerable<XElement> order = from mmmm in xele.Elements("purchase_order") where Convert .ToDouble(mmmm.Element("buyer_payment").Value)>400 select mmmm;

            //或者IEnumerable<XElement> order = xele.Elements("purchase_order");
            foreach (XElement p in order)
            {
                string aa = p.Element("buyer_payment").Value;
                IEnumerable<XElement> receiver = p.Elements("receiver");
                foreach (XElement a in receiver)
                {
                    string address = a.Element("address").Value;
                }
                IEnumerable<XElement> sub_purchase_orders = p.Element("sub_purchase_orders").Elements("sub_purchase_order");
                foreach (XElement b in sub_purchase_orders)
                {
                    string jkljk=b.Element("item_outer_id").Value;
                }
            }