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发表于 2012-11-13 08:48:12
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1判断语句
9 w* [ Y) V/ ^5 G4 B if <condition> then# H: d) ^9 ?1 ]8 N; l
<statement sequence1>;
, S3 t, u8 l9 P' \" `1 ?8 c elseif <condition> then" u9 [2 N% ~6 I" ^% h9 R' A# G+ }
<statement sequence2>;
; J/ z3 |! r) Q& _( `2 X- v7 m else
7 l( y k+ M+ z( o <statement sequence3>;
8 G. D4 D' B# J5 E* Z end;, s1 a8 Z' T1 l6 L. Z
如果分支比较多，用：1 p6 U% T! j- f; D
inspect <expression>
/ @. q9 s! h$ K: x, J when <constant_list> then
2 z" P6 {* @. Z0 C7 K, N <statement sequence1>;+ M0 C) L, T8 z1 m1 v4 s8 p
when <constant_list> then
% g$ m k1 h6 r <statement sequence2>;
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else
1 P6 n8 Q; w% K* X; V$ `& t <statement sequence3>;
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2循环语句 {3 M) y2 p5 g; X# p% b& _7 {9 T6 H
(1) from <statement sequence1>$ T7 |. N# u' u+ r% Y' V
until <condition> loop
e& P$ t4 B6 S4 O <statement sequence2>;
5 W0 _. z! a n% q* S# X end;
/ K5 w" J8 T# i9 m (2) while <condition> loop
& V% f/ {0 q8 X2 s$ T <statement sequence1>;1 ^' b& R0 P* }2 h9 S6 w4 P
end;* P- a d3 D) w4 T$ e
(3) repeat " g+ u! v( D, L/ P
<statement sequence1>;. N' a! E! l$ E( C; I, X8 L% G
until <condition>;5 ]8 ^3 p5 S& U
(4) for <condition> to <condition> loop3 A# k% G3 f9 t: c
<statement sequence1>;% V# k }1 r8 _, p1 g2 ?6 m
next;
" V: H2 l3 y6 a8 @4 D3中断语句
* c2 y% T4 g9 [! e5 b2 {7 D/ z4 M waituntil <condition> prio <integer expression>;' M# c* w+ I! H$ j0 f1 }
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以上为常用的函数！
# J, G5 j5 h" A* c还有很多，如有需要我把资料发到你邮箱里
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