高手指点啊,一面试题呢
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几种调用WebService的方法http://www.dezai.cn/study/Article_Show.asp?ArticleID=7739. 在javascript中调用WebService <script language="javascript"> function PostRequestData(URL,data){ var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); xmlhttp.Open("POST",URL, false); xmlhttp.SetRequestHeader ("Content-Type","text/xml; charset=utf-8"); xmlhttp.SetRequestHeader ("SOAPAction","http://tempuri.org/myService/test/isNumner"); try { xmlhttp.Send(data); var result = xmlhttp.status; } catch(ex) { return("0" + ex.description + "|" + ex.number); } if(result==200) { return("1" + xmlhttp.responseText); } xmlhttp = null; } function loadit(value){ var url = 'http://localhost/myService/test.asmx'; var data ; var r; data = '<?xml version="1.0" encoding="utf-8"?>'; data = data + '<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">'; data = data + '<soap:Body>'; data = data + '<isNumner xmlns="http://tempuri.org/myService/test">'; data = data + '<str>'+value+'</str>'; data = data + '</isNumner>'; data = data + '</soap:Body>'; data = data + '</soap:Envelope>'; r=PostRequestData(url,data); document.write(r); } loadit('5'); </script> 还可以使用微软的htc组件来实现,可以到这里下载: http://msdn.microsoft.com/workshop/author/webservice/webservice.htc
<script language="javascript"> function timer(){ service.useService("http://localhost/myService/test.asmx?WSDL","test"); service.test.callService(callback,"isNumner",'gdh'); } function callback(res){ if (!res.error) time.innerText=res.value; } </script> <div id="service" style="behavior:url(webservice.htc)"></div> <span id="time"></span> 2. 在Asp中 <%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%> <% Dim strxml Dim str '定义soap消息 strxml = "<?xml version='1.0' encoding='tf-8'?>" strxml = strxml & "<soap:Envelope xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'>" strxml = strxml & "<soap:Body> " strxml = strxml & "<isNumner xmlns='http://tempuri.org/myService/test'>" strxml = strxml & "<str>4</str>" strxml = strxml & "</isNumner>" strxml = strxml & "</soap:Body>" strxml = strxml & "</soap:Envelope>" '定义一个XML的文档对象,将手写的或者接受的XML内容转换成XML对象 'set x = createobject("Microsoft.DOMDocument") '初始化XML对象 '将手写的SOAP字符串转换为XML对象 ' x.loadXML strxml '初始化http对象 Set h = createobject( "Microsoft.XMLHTTP") '向指定的URL发送Post消息 h.open "POST", "http://localhost/myService/test.asmx", False h.setRequestHeader "Content-Type", "text/xml" h.setRequestHeader "SOAPAction", "http://tempuri.org/myService/test/isNumner" h.send (strxml) While h.readyState <> 4 Wend '显示返回的XML信息 str = h.responseText '将返回的XML信息解析并且显示返回值 'Set x = createobject("MSXML2.DOMDocument") ' x.loadXML str 'str = x.childNodes(1).Text response.write(str) %> 3.在.net中 在.net中调用WebService就方便多了,没有必要自己写soap消息了,以上都是用XMLHTTP来发送WebService请求的,在.net只要添加了web引用,会自动为你创建一个代理类。然后使用代理类就像用自己定义的类一样方便