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用JavaScript读取本地XML文件

2016-10-12 20:57 375 查看

1. 本地XML文件：VehicleTest1.xml

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

<Root>



    <CurrentStatus>

        <LicensePlateNumber>鄂EA12345</LicensePlateNumber>

        <CurrentTime>2011-11-20</CurrentTime>

        <Speed>60Km/h</Speed>

        <Lon>10646270</Lon>

        <Lat>2955278</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77881</LicensePlateNumber>

        <CurrentTime>2010-03-21</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10646252</Lon>

        <Lat>2955755</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77882</LicensePlateNumber>

        <CurrentTime>2010-03-22</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10646200</Lon>

        <Lat>2956039</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77883</LicensePlateNumber>

        <CurrentTime>2010-03-23</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10646561</Lon>

        <Lat>2956337</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77884</LicensePlateNumber>

        <CurrentTime>2010-03-24</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10646526</Lon>

        <Lat>2957069</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77885</LicensePlateNumber>

        <CurrentTime>2010-03-25</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10644054</Lon>

        <Lat>2957487</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77886</LicensePlateNumber>

        <CurrentTime>2010-03-26</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10644055</Lon>

        <Lat>2957488</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77887</LicensePlateNumber>

        <CurrentTime>2010-03-27</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10644140</Lon>

        <Lat>2956412</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77888</LicensePlateNumber>

        <CurrentTime>2010-03-28</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10644311</Lon>

        <Lat>2954993</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A77889</LicensePlateNumber>

        <CurrentTime>2010-03-29</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10645101</Lon>

        <Lat>2953410</Lat>

    </CurrentStatus>



    <CurrentStatus>

        <LicensePlateNumber>渝A7788A</LicensePlateNumber>

        <CurrentTime>2010-03-30</CurrentTime>

        <Speed>88Km/h</Speed>

        <Lon>10646217</Lon>

        <Lat>2951990</Lat>

    </CurrentStatus>



</Root>

2. JavaScript代码：VehicleTest1.htm

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<title>javascript 读取 xml文件</title>

<SCRIPT LANGUAGE="JavaScript">



var xmlDoc;                      /* DOM对象 */;

var objNodeList;                               /* 对象结点列表 */

var Node;                                           /* 以CurrentStatus为标记的结点 */

var LicensePlateNumber;             /* 车牌号码 */

var CurrentTime;                             /* 当前GPS时间 */

var Speed;                                        /* 车速 */

var Lon;                                             /* 经度 */

var Lat;                                              /* 维度 */



function JavaScriptReadXML()

{



xmlDoc =  new ActiveXObject("Microsoft.XMLDOM");     /* 创建DOM对象 */

xmlDoc.async= false;                                         /* 非异步加载模式 */

xmlDoc.load('C:/VehicleTest1.xml');              /* 加载本地XML文件 */



if (xmlDoc.parseError.errorCode != 0)           /* 解析XML文件内容 */

    {

   var myErr = xmlDoc.parseError;

   document.write("You have error " + myErr.reason);

     }

else

{

   objNodeList = xmlDoc.getElementsByTagName("CurrentStatus");

   for (var i=0; i<objNodeList.length; i++)                                                     /* 读取总的结点数 */

   {



     Node = objNodeList[i];

     for( var k = 0; k < Node.childNodes.length; k++ )                               /* 各个结点逐个击破 */

     {

         if( Node.childNodes[k].nodeName == "LicensePlateNumber" )      /* 车牌号码 */

           LicensePlateNumber = Node.childNodes[k].text;



           if( Node.childNodes[k].nodeName == "CurrentTime" )                      /* 当前GPS时间 */

           CurrentTime = Node.childNodes[k].text;



           if( Node.childNodes[k].nodeName == "Speed" )                                  /* 车速 */

           Speed = Node.childNodes[k].text;



           if( Node.childNodes[k].nodeName == "Lon" )                                       /* 经度 */

           Lon = Node.childNodes[k].text;



           if( Node.childNodes[k].nodeName == "Lat" )                                          /* 维度 */

           Lat  = Node.childNodes[k].text;

     }



      document.write(LicensePlateNumber+"<br>");

      document.write(CurrentTime+"<br>");

      document.write(Speed+"<br>");

      document.write(Lon+"<br>");

      document.write(Lat+"<br>");

      document.write("<br>");



   }

}

}



</SCRIPT>

</head>

<body onload="JavaScriptReadXML()" >

</body>

</html>

3. 读取结果：

鄂EA12345

2011-11-20

60Km/h

10646270

2955278



渝A77881

2010-03-21

88Km/h

10646252

2955755



渝A77882

2010-03-22

88Km/h

10646200

2956039



渝A77883

2010-03-23

88Km/h

10646561

2956337



渝A77884

2010-03-24

88Km/h

10646526

2957069



渝A77885

2010-03-25

88Km/h

10644054

2957487



渝A77886

2010-03-26

88Km/h

10644055

2957488



渝A77887

2010-03-27

88Km/h

10644140

2956412



渝A77888

2010-03-28

88Km/h

10644311

2954993



渝A77889

2010-03-29

88Km/h

10645101

2953410



渝A7788A

2010-03-30

88Km/h

10646217

2951990

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