Purpose:
Below example demonstrates to check the existence of username by calling BAPI_USER_EXISTENCE_CHECK function module on Easy Access Screen.
Note:
To make the function module call, it is required to provide the rfc parameters in the configuration file i.e., guixt.sjs
Liquid UI Code:
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Script File Name: SAPLSMTR_NAVIGATION.E0100.sjs
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clearscreen();
//User Interface
inputfield([1,0],"User name",[1,10],{"name":"z_user_name","size":15});
pushbutton([3,1],"Check User Exist","?",{"size":[2,20],"process":z_fmCallGetData});
//Functions
// Function trim, to remove blank spaces from variable values
String.prototype.trim = function() {
return this.replace(/^\s+|\s+$/g,"");
}
// Function to return trimmed string
function getString(strInput) {
return(typeof(strInput) == 'undefined' || strInput == 'undefined')? "" : strInput.toString().trim();
}
// Function to check for blank string
function isBlank(strInput) {
var strVal = getString(strInput);
var blank = strVal == "";
return blank;
}
//Function to call Bapi and display results
function z_fmCallGetData() {
rfcresult = call('BAPI_USER_EXISTENCE_CHECK',{'in.USERNAME':'&V[z_user_name]','out.RETURN':'z_return'});
if(rfcresult.rfc_rc != 0){
// Cannot Call RFC for any reason
// RFC call was *NOT* successful.
// Display message to user, that rfc cannot be called (you can use the content of rfcresult.rfc_key)
message('E:Error! RFC call failed to return data');
enter("?");
goto SCRIPT_END;
}else {
if(!isBlank(rfcresult.exception)){
// RFC Call succeeded, but the ABAP code in the function module generated an exception
// Display message to user, that rfc exception occured (you can use rfcresult.exception)
message('E: Error!'+rfcresult.exception);
enter('?');
goto SCRIPT_END;
}
}
// RFC Call was successful
if(!isBlank(z_return)){
set('V[z_user_exist]',z_return.substring(24,60));
}
message('S:'+ z_user_exist);
set('V[z_user_name]','');
enter("?");
SCRIPT_END:;
}
