Created by Jerry Wang, last modified on Aug 20, 2014

使用multipart/form-data的content type通过Javascript向application server发送数据:

<html>
<head>
<script type="text/javascript">
if (!XMLHttpRequest.prototype.sendAsBinary) {XMLHttpRequest.prototype.sendAsBinary = function(sData) {var nBytes = sData.length, ui8Data = new Uint8Array(nBytes);for (var nIdx = 0; nIdx < nBytes; nIdx++) {ui8Data[nIdx] = sData.charCodeAt(nIdx) & 0xff;}this.send(ui8Data);};
}
var xmlhttp;
function GetXmlHttpObject()
{if (window.XMLHttpRequest) {return new XMLHttpRequest();}if (window.ActiveXObject) {return new ActiveXObject("Microsoft.XMLHTTP");}return null;
}
function stateChanged()
{if (xmlhttp.readyState == 4) {document.getElementById("result").innerHTML = xmlhttp.responseText;document.getElementById("result").style.border = "1px solid #A5ACB2";}
}
function getRequestURL(str)
{var url = "<host:port>" + str;url = url + "&sid=" + Math.random();return url;
}
function showResult(str)
{if (str.length == 0 ) {document.getElementById("result").innerHTML = "";document.getElementById("result").style.border = "0px";return;
}
xmlhttp = GetXmlHttpObject();
if (xmlhttp == null ){alert ("Your browser does not support XML HTTP Request");return;}
var requesturl = getRequestURL(str);
xmlhttp.onreadystatechange = stateChanged ;
if ("withCredentials" in xmlhttp) {console.log("Great!!!!!");
}
xmlhttp.open("POST",requesturl,true);
xmlhttp.setRequestHeader("Content-Type", "multipart\/form-data");
var data = [];
var firstName = "firstName";
var firstNameValue = "Jerry";
var lastName = "lastName";
var lastNameValue = "Wang";
data.push( "Content-Disposition: form-data; name=\"" + firstName + "\"\r\n\r\n" + firstNameValue + "\r\n");
data.push( "Content-Disposition: form-data; name=\"" + lastName + "\"\r\n\r\n" + lastNameValue + "\r\n");
var sBoundary = "---------------------------" + Date.now().toString(16);
xmlhttp.setRequestHeader("Content-Type", "multipart\/form-data; boundary=" + sBoundary);
var sendStream = "--" + sBoundary + "\r\n" + data.join("--" + sBoundary + "\r\n") + "--" + sBoundary + "--\r\n";
xmlhttp.sendAsBinary(sendStream);
}
</script>
</head>
<body>
<input type="text" id="fname" onkeyup="showResult(this.value)" />
<div id = "result" ></div>
</body>
</html>

发送的header:

在ABAP backend观察到的content type:

form fields:

request payload body:

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sendData to ABAP backend via multiple form content type

Created by Jerry Wang, last modified on Aug 20, 2014

sendData to ABAP backend via multiple form content type相关推荐

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