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发表于 2012-11-13 08:48:12
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1判断语句
; l9 s n) \- Z9 J if <condition> then O. f& x5 J w) C
<statement sequence1>;: N! h/ G9 E+ v/ C
elseif <condition> then
; x; k* ~. V% N+ [& M <statement sequence2>;
+ _2 b" T& ?* c3 c else # W7 }0 Y0 `8 d+ E- F
<statement sequence3>;
% o0 |4 H% _ b1 O8 ?! a, ^ end;. F% q! A' v5 B4 m4 ]! c' h: _; r
如果分支比较多，用：$ L B e; X2 d) Y
inspect <expression>
& J0 q) q$ u* v& K' ?+ v, @5 J: n when <constant_list> then
2 M( i1 U4 m4 ~( W4 j <statement sequence1>;
2 _# W% d) g/ k# O$ } l) y# c when <constant_list> then# C- I* `6 A3 q* z$ b2 a
<statement sequence2>;( R4 d& l: A, [: V
...3 C o0 E# m ?0 P5 E+ \
else! V( x' ~8 \. |7 n" f
<statement sequence3>;- B" R+ Y! N, Q! J1 M
end;
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2循环语句
! @7 C% S7 Q/ D) V- q) r+ g (1) from <statement sequence1>6 b7 Z0 W- H! i1 @# B5 S
until <condition> loop) k# e$ k- m3 g% f
<statement sequence2>;: L8 |! [) X" E/ O3 d
end;9 H, C6 W' ~6 q
(2) while <condition> loop6 n3 t' A% {# ]/ t" ~4 w. k
<statement sequence1>;( ~, l9 Y! d+ X* a# h
end;
9 [9 y2 O$ h: X+ L (3) repeat
/ D; f) }' m" e$ {% |8 a* ]# ?9 C0 N <statement sequence1>;
; d n2 A( I9 J: b' j/ g8 G until <condition>;
. K( Y. r+ q2 Z$ I1 R b (4) for <condition> to <condition> loop
6 g+ j" B# s7 o& Q/ @+ k- [: j; w <statement sequence1>;
, c6 f+ f: K: Q2 @" j+ L( F& Q next;; y+ M9 F' u; M1 s6 c% s8 W
3中断语句2 l9 T, m& n1 z1 M, s q) b
waituntil <condition> prio <integer expression>;; b1 H, A4 r, i: h
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7 ]6 C3 G+ { f2 } u0 n以上为常用的函数！ D! i0 K$ [7 c- s+ V, J
还有很多，如有需要我把资料发到你邮箱里
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