Extended Systems OneBridge 4.1 Betriebsanweisung PDF herunterladen (Seite 191)

APPENDIX A Function Reference

User’s Guide 177

Script functions

uEvaluate

Description Evaluates a function or Java Script expression and returns the result.

Syntax string uEvaluate(expression)

Parameters

number expression

JavaScript code to evaluate.

Examples To evaluate functions and procedures:

uEvaluate(“if (IN.CUSTNO > 22) {return 22;} else {return

IN.CUSTNO;} )”) // Return IN.CUSTNO if IN.CUSTNO is

below 22 or return 22 if above.

You can also define your functions for later use. First, you evaluate the

following:

function myFunc(a ,b)

{ return a+b;

}

Then, call your function using uEvaluate:

uEvaluate("myFunc(3, 5)") // Returns 8

String functions

uAsc, uUnicode

Description Returns a Unicode character value of the first character. With the optional

parameter index, you can also return the code for a different character in the

string. The index parameter starts at 1.

Syntax number uAsc(value, index)

1 2 ... 186 187 188 189 190 191 192 193 194 195 196 ... 221 222

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Extended Systems OneBridge 4.1 Betriebsanweisung Seite 191