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发表于 2012-11-13 08:48:12
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1判断语句
1 F% `- N. v( }/ t: K' a8 p if <condition> then1 Z N* z' z5 M$ Q2 ~2 m$ N
<statement sequence1>;
; O) t6 ], C6 \1 }2 b& L" z elseif <condition> then
) i# k ]! Y9 S/ k9 a <statement sequence2>;) p- h% G, s7 k' y$ |& `2 r' N
else & C- Y0 y6 @! u" H: j( |" n# s- }
<statement sequence3>;
' q6 C+ a- U! B1 Q% a: S3 a end;
3 w/ a U4 n2 G3 C, r0 l$ E如果分支比较多，用：" B+ o/ C) B8 ]( g4 r; S
inspect <expression>
! T; g$ W2 _9 J" h: N2 @ when <constant_list> then
) D1 T! n& c: J, k/ P) B/ o <statement sequence1>;" E! z4 f8 u5 Q) z1 P" M6 l
when <constant_list> then1 Q% z# @" T* r7 D. b1 W- i' L
<statement sequence2>;
/ `4 |5 @. |, |: U# B+ z ...
1 a) u4 E4 e) n; o7 d: z else
# `. s, O' X( U3 a: M2 d <statement sequence3>;
5 b2 \- T) P4 J9 T: aend;
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0 } C; N( t9 {6 Z! W6 ] e' q# v2循环语句0 I. d3 T4 t3 L+ [7 x
(1) from <statement sequence1>3 N3 D% w6 t3 k
until <condition> loop+ Q6 ]* E& }& h" x) {
<statement sequence2>;: ?, C" A5 O1 b, l- F% q
end;5 G" ~' M- m( v1 u3 C& u
(2) while <condition> loop+ x3 b& b) `- m7 p" @+ q0 x
<statement sequence1>;
: m2 m1 B9 V+ S9 [8 s5 _ end;
' Q8 {" F# J1 R! Z( j (3) repeat
' A/ k2 v' r, G/ Y+ `4 M <statement sequence1>;+ v4 N* D7 t5 p% H+ K9 z
until <condition>;
: N1 V) ~2 {& P* H0 e (4) for <condition> to <condition> loop! Y) e- K- L9 V/ E2 p
<statement sequence1>;
1 h2 V1 ?! z" n, Z- _4 U1 i+ e next;! T6 D) l# O& L Z) Z
3中断语句: V7 @/ P, ^8 S, s0 M
waituntil <condition> prio <integer expression>;2 |4 }1 _. \* p, ]! B; N2 A
0 ^. e$ }7 x3 m% S ^
, T% T! \3 e1 {4 f以上为常用的函数！
" h7 @% m, O$ X$ [$ c$ Y还有很多，如有需要我把资料发到你邮箱里
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