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发表于 2012-11-13 08:48:12
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1判断语句7 T+ t/ k6 d9 f: \$ b* C( s9 Z
if <condition> then0 e7 ~- u$ N, N& e1 x
<statement sequence1>;. {% g; [% ]1 h, i" }% p$ \
elseif <condition> then0 e" S: R0 K p# X: t @
<statement sequence2>;
; }# M- M3 q9 \7 s else
( e' P, I' Y) _' p+ K4 N <statement sequence3>;# R5 u! f* Z3 f* T b: _; j
end;
8 O7 U9 G. K4 z$ V& N+ g5 ]如果分支比较多，用：& ^( t- Z) a! U& V
inspect <expression>, s* z/ x1 q/ f& @. J/ l. G" k) V
when <constant_list> then
2 k, G1 U4 y/ Q/ w" h; |- ] <statement sequence1>;, y) ^: V$ L! |3 w3 ^
when <constant_list> then) b& G6 u0 W$ f, ?) V# l
<statement sequence2>;
3 u! Y# j9 P" }! U6 F6 Z+ _4 K ...
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<statement sequence3>;
9 f. d4 k5 l3 H$ L1 P2 h/ Y: aend;
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2循环语句
t+ N% b/ Y5 W- T2 O C (1) from <statement sequence1>& o2 j0 S* [: w& h4 |
until <condition> loop4 d3 U/ |: J/ f3 p. Z* S
<statement sequence2>;) \! ]+ q/ @6 v2 [! Q# a0 j
end;
! Y$ C, B% ~# l- w (2) while <condition> loop# L0 P* A S4 Q: W' V$ R
<statement sequence1>;+ N1 e' o( z) M, L
end;& }" q7 @( `# K( w- F$ i
(3) repeat
+ @0 n, F) M- w# ?+ B& W <statement sequence1>;
5 L- a8 l# o4 ] until <condition>;
' v( I/ u1 W8 C; R ~0 D (4) for <condition> to <condition> loop' N# x# H; k" h9 K! G2 ~# W. M
<statement sequence1>;+ g: A9 |( F, u' H) L
next;
) N. D# ^; o% e& u V3中断语句
8 K% S& H% E6 F waituntil <condition> prio <integer expression>;. @2 D' u4 k8 }7 w8 l" T7 `4 C
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以上为常用的函数！8 E% D1 O. [, z+ U. ?8 T
还有很多，如有需要我把资料发到你邮箱里
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