ajax调用webservice
<html>
<head>
<title>通过ajax来调用webservice</title>
<script type="text/javascript">
var xmlHttp = false;
function sendMsg()
{
try
{
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e)
{
try
{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e2)
{
xmlHttp = false;
}
}
if (!xmlHttp && typeof XMLHttpRequest != 'undefined')
{
xmlHttp = new XMLHttpRequest();
}
alert("pass");
//服务的地址
var name = document.getElementById("name").value;
alert(name);
var wsUrl ="http://192.168.1.192:6789/hello";
//请求体
var soap ='<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:q0="http://webservice.powerjunior.org/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">'+
' <soapenv:Body> <q0:sayHello><arg0>'+name+'</arg0> </q0:sayHello> </soapenv:Body> </soapenv:Envelope>';
//打开链接
xmlHttp.open('POST',wsUrl,true);
//重新设置请求头
xmlHttp.setRequestHeader("Content-Type","text/xml;charset=UTF-8");
//设置回调函数
xmlHttp.onreadystatechange=_back;
//发送请求
xmlHttp.send(soap);
}
//回调函数
function _back()
{
if(xmlHttp.readyState == 4)
{
if(xmlHttp.status == 200)
{
alert('调用webservice成功！');
var ret = xmlHttp.responseXML;
var msg = ret.getElementsByTagName("return")[0];
document.getElementById("showInfo").innerHTML = msg.text;
}
}
}
</script>
</head>
<body>
<input type ="button" onclick="sendMsg();" value="调用webservice">
<input type="text" id="name" />
<div id="showInfo"></div>
</body>
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