PI消息映射中的函数介绍
转自：http://help.sap.com/saphelp_nw04/helpdata/en/43/c4cdfc334824478090739c04c4a249/content.htm
General
). To call the dialog for Function Properties, double click the data-flow object.
X = "sparring with a purple porpoise"
Y = “p”
Z = “t”
R = "starring with a turtle tortoise"
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length
O = Length of string
endsWith
R = true when Y is the last string in X; otherwise false.
startsWith
(2 input parameters)
R = true when Y is the first string in X; otherwise false.
startWith
(3 input parameters)
R = true when Y matches X from position Z; otherwise false.
toUpperCase
Converts all lower case letters in I to upper case letters.
trim
Removes all white space characters (spaces, tabs, returns) at the start and end of a string. Acts the same as the trim() method of the JDK class java.lang.String.
toLowerCase
Converts all upper case letters in I to lower case letters.
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