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发表于 2012-11-13 08:48:12
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1判断语句2 I( X0 Y* B6 c0 m
if <condition> then- V" N) {& j9 y7 t. k2 s$ ~# G
<statement sequence1>;2 R% t+ G. V1 }& I5 Q, P' h
elseif <condition> then* q3 I1 o7 X% ^" _5 N# {" t* [. g( e% J
<statement sequence2>;
: a$ I2 Z6 p: ~8 B ] else
" ^" a- I3 I% m* c. u+ q <statement sequence3>;9 e/ \# a) D- ~% T
end;1 S6 k% N) S8 U( K
如果分支比较多，用：- d X" h8 P, h H0 G
inspect <expression>
1 S8 l$ S6 L y4 ?# q when <constant_list> then; D# ^$ f# S7 S7 {4 {9 U$ t! G t; F
<statement sequence1>;# x# x- W- F/ E' _
when <constant_list> then2 b. F5 ~+ R7 I) `
<statement sequence2>;
" {/ }6 {4 I/ {2 i, m/ `6 B ...
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<statement sequence3>;
! |1 F# }5 i& L. Z( Nend;$ X7 F9 h1 x* J1 o2 q- y5 r
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2循环语句+ t. p9 J$ O; y1 n
(1) from <statement sequence1>
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<statement sequence2>;
$ p8 [9 Y0 F$ r! p/ { end;
& R- q8 v. _( M. X: R (2) while <condition> loop1 e, ~3 C& N% w3 h6 S
<statement sequence1>;
; c9 C N! l7 B1 { y end;8 l& c* c$ S' H/ m% }
(3) repeat
" Y1 D5 k! r. ^% h w <statement sequence1>;: }# Z C( j5 f7 @; Q- `/ o$ h
until <condition>;/ m5 A! }% }' A4 J/ n5 C. n- a
(4) for <condition> to <condition> loop
; M6 t+ {2 N- R q: I( | <statement sequence1>;. }1 G7 I& \& h( \5 E5 k, O$ e
next;
0 ]# Z" b* S& v ]3中断语句
8 m5 N6 p5 m& U- ]# R1 M$ W waituntil <condition> prio <integer expression>;9 C5 o+ ]2 T$ P: S. ^1 u# P+ j$ _
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以上为常用的函数！2 t' w/ L k5 j6 U$ x( r
还有很多，如有需要我把资料发到你邮箱里
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