Javascript请求webservice的简单例子

<!DOCTYPE html>

<html>

<head>

	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />

    <meta name="viewport" content="width=device-width,initial-scale=1.0">

    <title>htmlWebpackPlugin.options.title</title>

  </head>

  <body>

    <input type="button" value="viewResult" onclick="invokeServerFunction()" />

	<br/>

	<br/>

	Web服务所返回的结果为：<span id="result"></span>

	<script type="text/javascript">

    function invokeServerFunction(){

        var xmlHttp;

        try{

            // Firefox, Safari, Opera 8.0+

            xmlHttp = new XMLHttpRequest();

        }catch(e){

            // Internet Explorer

            try{

                xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");

            }catch(e){

                try{

                    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");

                }catch(e){

                    alert("很遗憾, 您的浏览器不支持AJAX, 请使用其它浏览器, 如Firefox、Safari、Opera8.0+");

                    return false;

		xmlHttp.onreadystatechange = function(){

			if(4 == xmlHttp.readyState){

				alert(xmlHttp.status);

				if(200 == xmlHttp.status){

					document.getElementById("result").innerHTML = xmlHttp.responseText;

		var data = ''

					+ '<?xml version="1.0" encoding="utf-16"?>'

					+ '<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">'

					+ '<soap:Body>'

					+ '<allDsjk xmlns="http://server.wei.com">'

					+ '<xml>0000</xml>' // 报文参数，这里传入的字符串如果存在XML特定规范符号需要转码，如'<'或'>'

					+ '</allDsjk>'

					+ '</soap:Body>'

					+ '</soap:Envelope>'

		// 请求的webservice地址

		var url = "";

		xmlHttp.open("POST", url, true);

		xmlHttp.setRequestHeader ("Content-Type", "text/xml; charset=UTF-8");

		//这里的第二个参数，是服务端在services.xml中指定的<namespace>加上所要调用的allDsjk()方法名

		xmlHttp.setRequestHeader ("SOAPAction", "");

		xmlHttp.send(data);

	</script>

  </body>

</html>

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Javascript请求webservice的简单例子

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