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发表于 2012-11-13 08:48:12
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1判断语句
7 P: q. @6 Y" ]# M# ^, o if <condition> then
2 K0 u5 P! O6 D, d) _ <statement sequence1>;
/ i1 G! [4 q+ a6 I( Y1 b elseif <condition> then
/ P- [- A+ D4 q6 i8 { <statement sequence2>;
5 ~- S4 c8 s6 {/ P- P6 V$ A else 3 {, y) K2 x8 O8 Y
<statement sequence3>;
9 ~) r. K6 r5 R- k# x T end;
% a- ~4 \7 m7 T8 g; C如果分支比较多，用：
% u8 T* d: d: z1 a/ m, I7 e2 D; _% r inspect <expression>
& V9 J6 ?+ x2 E( [( D- N when <constant_list> then! F6 k/ R. Z3 s: E
<statement sequence1>;
6 C% }6 i! d! T% S6 x when <constant_list> then
. D. \! X9 ^$ R* Y0 g <statement sequence2>;) L2 N$ `; n& Z6 A1 B' U
...- ?/ ?0 U' N# e! S
else5 v/ j+ M) _8 [( a A
<statement sequence3>;
- u/ j( W" J; [) ?$ V/ H2 @end;; W" L8 Z) g- l4 b! }. ]
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2循环语句7 Z# [& t) `+ A- m# g
(1) from <statement sequence1>/ O" U2 }) j7 N( u+ A
until <condition> loop" k* E6 w7 t, q$ @% I
<statement sequence2>;6 W+ n" L/ ]+ i0 |' L3 ? L- {
end;
. Z: e1 i. H- y. }' J% ` (2) while <condition> loop6 j6 C8 e! r+ `( S- w
<statement sequence1>;# a- F W1 a1 _# J& \( [6 n! ^" u
end;+ W( B. u( `, i4 m! C* D
(3) repeat
& y( \2 V0 g- a Q4 |& i7 ^* i: V; ~4 ] <statement sequence1>;
% b- t0 l" [/ Y5 G7 l5 A until <condition>;
8 }& @9 f. {' A' d' A (4) for <condition> to <condition> loop# e; {) E" r" S) ]4 q$ K
<statement sequence1>;5 b0 O. L3 p) ?! I/ T1 ?
next;, e; g/ w/ w: B( I; u
3中断语句3 X; u; i% t9 W7 i" P
waituntil <condition> prio <integer expression>;) d5 C2 y( R) B9 P
/ D9 @# @* f1 S, Q; O+ H
8 ]. F/ I) E2 i7 L% T以上为常用的函数！. y a/ J- U( `4 a X7 I
还有很多，如有需要我把资料发到你邮箱里 0 v* U( Q6 k0 _% V. T
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