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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
" u6 a9 r! O8 ~. a6 O- V if <condition> then
" q" c) z: I; P1 F7 `, Q <statement sequence1>;
+ u" [" {$ U/ J3 G) d4 u' H elseif <condition> then6 o( J* x3 ]1 Y9 Y
<statement sequence2>;
3 w! o- b1 x$ f$ W& G7 V* {+ z0 d/ q else
) d7 V A4 `: R L3 Y6 N <statement sequence3>;
8 W8 N8 Z. ~" i) W* G, T# q end;5 |+ X& w6 V. Q* K3 {9 G6 C
如果分支比较多，用：2 f7 x3 @! h. v% A2 K* b
inspect <expression>1 i) b$ \3 K% i
when <constant_list> then' o) b# v. \% u4 a) ^
<statement sequence1>;4 W% ]2 v, t% B9 j* @
when <constant_list> then
" R) H- C- F3 Z <statement sequence2>;' r/ R# } t. q/ w2 Z9 a3 N: T+ P
...
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<statement sequence3>;
% E C6 y ^$ D. Yend;
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2循环语句
+ n' a7 L2 A2 h, v0 D, f' T% a (1) from <statement sequence1>) a' k {' k) ?' K$ D
until <condition> loop
/ K, a K' m) r) [; e <statement sequence2>;+ X; ^+ J7 J1 f z7 X4 c- m) r
end;2 r |$ t2 A& D7 t/ ~2 J; c6 L
(2) while <condition> loop7 y. A8 b5 Z8 v. D! W8 v$ n
<statement sequence1>;
- z4 d2 @" t% \ end;* I; B; C( u+ [/ {1 k
(3) repeat
2 |! a& {1 U; L1 r& k+ V O' ?6 I <statement sequence1>;
& N9 W& |+ m3 S j) a until <condition>;
! I1 j0 h' a! m9 u7 B- x7 t. L0 X- @ (4) for <condition> to <condition> loop4 I# o/ l$ k& X, T
<statement sequence1>;; p- d" Q5 o) b# ~) O0 N
next;
3 f$ D! F. j0 R5 X7 I3中断语句3 l/ D0 G- j a5 Q' w& R
waituntil <condition> prio <integer expression>;
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以上为常用的函数！7 M C6 U0 D+ |3 ]8 u' w4 |4 {
还有很多，如有需要我把资料发到你邮箱里
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