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发表于 2012-11-13 08:48:12
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1判断语句
3 {. H; c* |; s' R if <condition> then7 F/ L" d9 V T
<statement sequence1>;
n' r. E: h+ z& M ^' E elseif <condition> then
Q$ f- d/ f" p0 e ~# J' |% G <statement sequence2>;& f# |- v" P5 m% J" ]! [6 t! C
else ; t5 z( _; R0 k; o( K
<statement sequence3>;7 B) c1 D8 M) I; o; P% K6 E; m
end;
" b+ p' h* q# B5 f. e$ B. V; d如果分支比较多，用：* S! A+ ]' _8 X8 g; q2 J$ Y
inspect <expression>' ]& q0 S; w- Z! |
when <constant_list> then6 ~# Y- U) J: m5 k
<statement sequence1>;
0 m8 y) d# k5 u* J& h6 P E when <constant_list> then
4 B/ K+ i5 u2 T/ ^9 K, Z: f <statement sequence2>;
* d" x% ?9 F6 }9 k- } ...
; p: w0 h6 U* O/ Z y else; S3 `) T) M; Q" l
<statement sequence3>;
# b( \8 e" L' G! j- U! U3 uend;
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+ X4 i3 H# e6 f E2循环语句
" p4 N9 i. t* R1 r | (1) from <statement sequence1>
% o5 i! e/ w+ U7 f6 L" F5 ` until <condition> loop
% ]4 ] W- ^5 M0 @4 e <statement sequence2>;0 S/ Q; t( u" {
end;
; M" z. A5 i6 O/ M' D (2) while <condition> loop
5 J2 D. l; l3 e# k0 y <statement sequence1>;
P* q0 J/ |2 d6 x V$ W1 e( B end;6 L3 d4 c: J8 H% j5 g; D
(3) repeat
' O5 S$ [( \0 @9 z8 U2 G <statement sequence1>;! H c5 Q( u7 G- ]- @ R5 D
until <condition>;7 ]/ G* F- r( U$ J: G6 O
(4) for <condition> to <condition> loop
/ N. h9 x* O' z( Y8 [' F <statement sequence1>;
/ v+ E# T7 M4 k9 `4 b8 N$ k" ?/ m) H next;; ]5 w% Z# x" o6 u2 Q
3中断语句
" E. w6 U, ^& w* j8 q3 @% R4 ^( l) e* G waituntil <condition> prio <integer expression>;
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以上为常用的函数！
$ Y4 y! L/ l$ l9 f U还有很多，如有需要我把资料发到你邮箱里 % K4 Y" @. V% c- r! t/ a) q' z& s
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