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发表于 2012-11-13 08:48:12
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1判断语句" Y. X i5 {$ @/ c
if <condition> then* D( i- j+ p# c8 H+ _* J
<statement sequence1>;" |! Y" T# q& Q% X1 J0 z3 S5 V
elseif <condition> then& Z3 `8 Q* ^9 v* `" A: }5 H
<statement sequence2>;2 }6 P/ K* @2 U7 @, L7 c
else
k8 Q- u/ d5 ^% K/ C F( d( L% J1 \7 ` <statement sequence3>;
! K5 F0 C6 O$ h( G end;3 m, t% N+ L6 c* I
如果分支比较多，用：+ I0 m- H' d J8 A
inspect <expression>) ^+ h3 u, A4 e9 B# n% ~, W" Z
when <constant_list> then
! n7 z& W, k; l% @8 E& s/ o8 B, n# M$ j <statement sequence1>;
' a( M/ i& X& G when <constant_list> then
/ ~$ x. w/ n) `- C# s <statement sequence2>;
% {: F* H* L; Z- H# } ...
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<statement sequence3>;
5 I! a$ b: i; \end;
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2循环语句
) L$ w4 h+ J# \1 k2 r0 D! \ (1) from <statement sequence1>
3 w- u* e0 Q. {( \; r* Z/ Y* Q l until <condition> loop
( q, w" Q. Q8 X- j# s <statement sequence2>;0 C" A2 V7 ]- z
end;) {3 L: S: V# t$ Z1 t
(2) while <condition> loop
" o8 Y% o; m* x% C; a/ n' | <statement sequence1>;
" l0 J1 a5 L' P+ c0 Z$ \ end;
7 ^& T0 e; Q6 J. ` (3) repeat
4 i* ]& G( r" n4 I/ u! b3 Y <statement sequence1>;
8 C g2 a% H$ f. i* d) T until <condition>;7 @2 ?, X4 m: y# C
(4) for <condition> to <condition> loop1 ?& g& p+ F& J1 A' o
<statement sequence1>;. i* p# U1 J% j) t
next;2 L2 w* C1 Q* m0 C# |2 P
3中断语句
' r1 J0 ~+ R# Y waituntil <condition> prio <integer expression>;
, ]/ r& r( V/ T( q) W0 i r% b8 I% o2 V
" P z `6 I, d0 o0 K. b以上为常用的函数！
; k1 g) N. h) X3 |$ C& d% S+ L还有很多，如有需要我把资料发到你邮箱里 ) L0 j V2 ?' o9 k" C5 _
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