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发表于 2012-11-13 08:48:12
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1判断语句
8 A5 i2 P4 f: X. ~1 i2 ~9 p: J if <condition> then
8 I( d6 e0 r& ^, J* d; E <statement sequence1>;& x* D, `6 s% S T% U Z7 q
elseif <condition> then, I! m2 o# H8 Z% `1 G0 B" }
<statement sequence2>;" b6 U+ i$ y: `( e. d
else + c$ T; }1 j& S7 y: f6 A
<statement sequence3>;2 F; N' I. w: C! U
end;
I1 S h$ s1 x H2 H8 Z# j如果分支比较多，用：+ T, m; E% Q% v" C; ^
inspect <expression>! H) {& J. _; d- K0 W4 V+ g
when <constant_list> then& g# L5 F+ S4 f; `8 B v
<statement sequence1>;
. M0 j2 C8 R3 N8 ~3 C7 [6 B; N when <constant_list> then
/ [# G7 H% G% O) z" |. F <statement sequence2>;) Z1 D; I0 K/ ~) A; h& H2 h! y
...
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<statement sequence3>;% o3 j! a3 F! x; C# S7 a# q
end;
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7 U2 R8 m, k, }4 W' E1 Z2循环语句
7 P# m6 c+ m6 z, k) X* L6 I5 v7 E (1) from <statement sequence1>
0 ~: X: t. V! S) ?: c& W8 V until <condition> loop8 I; z* ?' D& [1 V7 E0 c% \6 f
<statement sequence2>; Y! T: z. `, o
end;
a6 x, P0 P" ?- b' a P+ n7 k4 p8 A (2) while <condition> loop
5 K& i; l( r+ S7 q1 c, S/ H6 T* Q Y <statement sequence1>;
; x' u$ ]! m; S8 R9 ~- s/ ~* e3 b end;
8 M, t6 y5 i: X6 B (3) repeat
1 \& X+ C; a: ]. c7 C <statement sequence1>;
. t" R ^7 f8 o4 z* a; g until <condition>;
- ~7 q! q0 h0 U( [2 x6 A' ~; V (4) for <condition> to <condition> loop
3 v+ P( f- ~& c8 k0 F5 k* y B <statement sequence1>;' A1 l( q8 f$ a4 m! ]+ d+ ^ H
next;8 p o: ~# x- W# m
3中断语句
8 t. P$ g: R0 f) o+ v waituntil <condition> prio <integer expression>;* C! t: W2 C- ?! \% q; n9 e
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以上为常用的函数！, ~' k! _5 g4 {* @$ f5 [3 @: C
还有很多，如有需要我把资料发到你邮箱里
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