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发表于 2012-11-13 08:48:12
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1判断语句) L0 S' Z8 ?3 K8 e
if <condition> then
) [/ V0 a, n! U+ d( F* H) N( s <statement sequence1>;* @8 [2 k3 H/ W
elseif <condition> then6 i& x8 Z* s) {1 e
<statement sequence2>;2 G" E8 D6 d) W' l {8 l4 T( D
else 2 N. P2 n$ y+ _2 i; o6 \8 M4 Y
<statement sequence3>;' B: X3 X4 }# @ d& u
end;% g4 I" e# C" I" n
如果分支比较多，用：5 o" i' o1 [7 o1 p4 }% Y `9 O
inspect <expression>
& |' U5 T& w( [% [ when <constant_list> then6 d1 B# u- E* Q# f! y( z
<statement sequence1>;
% h' T3 [8 A; y, F when <constant_list> then
( w' A- P) _ d6 K9 f1 v# X0 e4 s$ D <statement sequence2>;& A# N* M1 `- M0 e O
...3 [% r, M" ^( N1 d K5 U
else/ L( g7 t- Q; F- V
<statement sequence3>;
6 y: x5 n! B4 [3 }$ B' gend;
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6 ^' P0 {% _2 f* @; r2循环语句6 y U' d# {2 b
(1) from <statement sequence1>$ E* G# N* v1 |+ ~) m2 i0 V
until <condition> loop
8 U6 o: N7 l5 I% I$ S) \ P" s" y6 K <statement sequence2>;
- s1 b6 Q3 V4 M, | end;& [" G" [) H+ S/ Y- Z3 p9 u7 o# b
(2) while <condition> loop
9 l, k$ J/ u" Q% j <statement sequence1>;
* d4 `7 ]8 G3 y* c) F" x end;1 J* `. X1 |; Q
(3) repeat
" Q0 X) K* m: \/ |' [% g <statement sequence1>;
! ?/ {6 s% ]: ]% L until <condition>;4 N7 r6 m& L4 E" W9 K) v1 |
(4) for <condition> to <condition> loop
% C% K) Y; l; b( j <statement sequence1>;( z( D! g% H9 s" Q" U+ h! L8 R
next;$ m& c D2 |1 G2 j8 N+ a: k, I. ?& E
3中断语句
4 u8 C' ]# \; V+ e) Z& t waituntil <condition> prio <integer expression>;
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以上为常用的函数！% O8 B1 j4 _) x' r! ?, U6 Z
还有很多，如有需要我把资料发到你邮箱里
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