R/3 RFC from JavaScript

1 安装必要的DLL
在需要执行JavaScript调用SAP的RFC的机器上安装SAP GUI Application

2网页样例
<script language="JavaScript">

<!--

retcd = 0;

exceptions = 0;

// *** SAPLogon() creates an object that has the methods to

// execute a call to an SAP function module

function SAPlogon()

{
fns = new ActiveXObject("SAP.Functions");

trans = fns.Transactions;

conn = fns.connection; /* get a new connection object */

conn.System = "DEV"; /* Set the system ID (see: SY-SYSID) */

conn.user = "userid"; /* set userid (blank for dialog) */

conn.password = ""; /* set password (blank for dialog) */

conn.Client = "100"; /* set password (blank for dialog) */

conn.Language = "E"; /* set language (blank for default) */

conn.tracelevel = 6; /* set password (blank for dialog) */

conn.RFCWithDialog = 1; /* true: opens visible session window */

exceptions = 0;

conn.logon(0, 0); /* *** this call creates the object *** */

};

function SAPlogoff()

{ conn.logoff(0, 0);

exceptions = 0;

};

// *** execute the SAP function MODULE "RFC_CALL_TRANSACTION_USING"

// as a method execution of object type SAP.functions

function SAPcallTransaction(tcode)

{
exceptions = 0;

callta = fns.add("RFC_CALL_TRANSACTION_USING");

callta.exports("TCODE") = "VA02";

callta.exports("MODE") = "E";

retcd = callta.call;

conn.logoff();

alert(retcd);

SAPcallTransaction = retcd;

};

// --></script>

<body>

<!—Create an HTML button with a JavaScript call attached -->

Call VA02

<input TYPE = "submit"

VALUE = "VA02"

OnClick = "SAPlogon();

SAPcallTransaction("VA02");

SAPlogoff()"

</body>