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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
8 C7 _% [; U& U+ Z; S1 P+ U if <condition> then6 e! X- n' A- _2 |
<statement sequence1>;5 v: O: d* m+ Y( U e8 C0 v2 k
elseif <condition> then, l( A3 S, ?9 p; Y9 d3 x' C3 P
<statement sequence2>;
3 H D" c2 Z! m) ]! I! ]) ` else
/ K# {- W2 o8 p* S1 u0 x <statement sequence3>;2 v! b& ]! i$ Z# m- Q
end;
' N" m0 c, R2 z6 u$ v4 T! K如果分支比较多，用：- J; K. f4 j% ?/ \* k
inspect <expression>
) x% U# r5 \* b when <constant_list> then! ?- _- V6 h. {% p
<statement sequence1>;
% @+ m- r5 ?0 k+ f8 @9 o* n: F when <constant_list> then
) D8 g9 `, J) ^ <statement sequence2>;3 z$ U, R9 I9 Y0 F# C2 o
...5 `8 i- n% ~) U0 y/ i y. Y
else
" g9 D ]7 l" F! x* F <statement sequence3>;3 A0 D/ k6 n( l9 G! m
end;2 q, p$ Y2 p9 O& B% R3 V# ^* B3 n/ G& G7 f
# `# v# [9 {9 t2循环语句4 q# e: {2 M6 B0 f6 m$ H
(1) from <statement sequence1>
& {- y2 i* P: \" o until <condition> loop
2 B9 B9 b$ w+ n @% f6 W/ T <statement sequence2>;
; F6 k" h3 @7 y3 U6 { end; G) i$ [& X9 a) d9 S" o
(2) while <condition> loop M- V2 T2 R9 H8 ~' E7 A
<statement sequence1>;9 [/ n# U: e1 U; Y" M
end;
; \* k2 Q2 u% j! _+ i# u9 T (3) repeat 6 X" D4 u; K) ~: J: i' w( d
<statement sequence1>;* K! g5 [# L1 a
until <condition>;
1 Q' y K3 y% ^$ I (4) for <condition> to <condition> loop1 T) Z/ W/ r i
<statement sequence1>;2 R- C, x Y: e3 N; ?
next;; F* s0 J+ a! X
3中断语句
8 U0 O4 R4 P! {3 Y8 c waituntil <condition> prio <integer expression>;) d+ P, {( H3 |9 N8 i( E k
6 h0 P1 M5 P; g
' l$ Q. B# \8 y以上为常用的函数！
# Q' k) g( L& u3 r+ G还有很多，如有需要我把资料发到你邮箱里
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