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发表于 2012-11-13 08:48:12
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1判断语句" x& z4 _. _ h: V6 }7 H3 Y8 F
if <condition> then
& P. V! p* x5 G I/ G0 Y <statement sequence1>;
" \* b5 C4 x0 S' z$ v5 H! f3 t elseif <condition> then7 o. ^ ^8 h) @" W: H
<statement sequence2>;& L# _! z1 ]5 X
else , P6 {+ ?) ]& ^; s3 b: }1 L
<statement sequence3>;( t& }7 n. N; g/ S: ]1 \( V U
end;
& F5 d% ]; R% D如果分支比较多，用：. P1 t% U, @3 O4 o; T
inspect <expression>9 C9 ~' k/ ~) V2 B* w; z# Z
when <constant_list> then
# \! s- }" R; u$ d, G% f& Y8 p <statement sequence1>; V% f0 V" `# \# r
when <constant_list> then* u7 h- W* V b- s8 Z# r4 l: G
<statement sequence2>;
# W9 m3 ~) Q! C( g3 p. S: r ...
4 P3 V: V; x1 U& N6 T else
1 j( s5 |7 N7 ]& D) \ <statement sequence3>;
% G; f6 m- ^+ ~/ Qend;" O( @, j& O6 C% N6 l/ q" E' k' w
) Z* a/ a) g4 W, `2循环语句
2 [1 [8 N2 S' l (1) from <statement sequence1>
' |* r- m9 y7 m7 z until <condition> loop
; k; I0 C, m% F6 L <statement sequence2>;7 Y! Z8 p) G# ?- _
end;" K: U: F9 D8 B* @' U
(2) while <condition> loop
/ Y6 i/ p6 z2 a) n* X# G. i <statement sequence1>;( U8 c& @- \$ U: n0 a: w' K+ H
end; j3 \1 R: m- `+ U: C9 c( E
(3) repeat
3 @/ p( N) T2 v \8 T- C <statement sequence1>;2 g* d4 L( l C, _
until <condition>;
, S; E, q0 {- a" q! E9 ?. T$ d (4) for <condition> to <condition> loop
) t6 C2 q' d0 J Y% e7 g& ^ <statement sequence1>;( F) H7 Z- G3 a
next;" V+ T a/ B& r. U4 c+ A
3中断语句( G2 t7 J; m+ O* D+ B+ V; o
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
+ `# p/ G! L2 @还有很多，如有需要我把资料发到你邮箱里 ' M+ {- H: {; f' ` O$ E) e7 Z
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