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ajax调用webservice服务

2024-07-09 07:02:10   219人阅读

ajax调用是 html方向调用的， 而sqlconnection是 java代码调用的，本质差不多

 1 <html> 2     <head> 3         <title>通过ajax调用webservice服务</title> 4         <script> 5             var xhr; 6             function sendAjaxWS(){ 7                 xhr = new ActiveXObject("Microsoft.XMLHTTP"); 8                 //指定ws的请求地址 9                 var wsUrl = "http://192.168.1.108:5678/hello";10                 //手动构造请求体11                 var requestBody = ‘<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" ‘ + 12                                     ‘ xmlns:q0="http://service.itcast.cn/" xmlns:xsd="http://www.w3.org/2001/XMLSchema "‘+13                                     ‘ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">‘+14                                     ‘<soapenv:Body><q0:sayHello><arg0>‘+document.getElementById("msg").value+‘</arg0> <arg1>10</arg1> </q0:sayHello></soapenv:Body></soapenv:Envelope>‘;15                 //打开连接16                 xhr.open("POST",wsUrl,true);17                 //重新设置请求头18                 xhr.setRequestHeader("content-type","text/xml;charset=utf8");19                 //设置回调函数20                 xhr.onreadystatechange = _back;21                 //发送请求22                 xhr.send(requestBody);23             }24 25             //定义回调函数26             function _back(){27                 if(xhr.readyState == 4){28                     if(xhr.status == 200){29                         var ret = xhr.responseXML;30                         //解析xml31                         var eles = ret.getElementsByTagName("return")[0];32                         alert(eles.text);33                     }34                 }35             }36         </script>37     </head>38     <body>39         <input type="text" id="msg" />40         <input type="button" onclick="sendAjaxWS();" value="通过ajax调用webservice服务"/>41     </body>42 </html>

 


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