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发表于 2012-11-13 08:48:12
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1判断语句
& _1 ?# D# N$ {0 C9 `- v/ J if <condition> then) j" j% J( [0 Z/ q' ]! f; k
<statement sequence1>;
7 l; w* ~, o' m* V elseif <condition> then C. J1 D5 {( f* m. Z
<statement sequence2>;
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<statement sequence3>;
4 a+ N! a4 k, o$ |: t end;! F0 _: u, H$ H: R) ^; g/ m
如果分支比较多，用：: O: N* r$ Q5 l( D- h2 G
inspect <expression>) X* v6 Q$ X1 O, r
when <constant_list> then
- D- B P% n/ f" [: b- j <statement sequence1>;3 o ] \8 g9 o; B3 T! l/ v3 }. B8 T
when <constant_list> then, v2 |/ [# z( V- _/ Y
<statement sequence2>;
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else) C% f% E! w' L' q- \( E$ y% }
<statement sequence3>;2 r6 J0 y% c) I# _" f. h% N. [. t
end;
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O5 R, c8 F: {* s, R2循环语句% z! R, X( y; H" b9 w* N4 w: u; r+ k
(1) from <statement sequence1>) `! ~) c: i( h6 j, V8 M$ f
until <condition> loop
! h, Q6 t# H, { <statement sequence2>;
8 o3 Z, K) E. y L1 Q end;
4 g. H) M9 D6 y# _ (2) while <condition> loop) V, n) ` b# `4 X5 S
<statement sequence1>;
# T- N6 Z% `# F$ K end;
1 o' ?: x ~( h$ m. A9 O (3) repeat
. ^( g% O/ i0 x3 E `% [ <statement sequence1>;) @7 J7 C4 h; c; N6 U5 u
until <condition>;" E8 ?( Q L" y/ m/ l! V3 X
(4) for <condition> to <condition> loop5 Z! A% X" U% v
<statement sequence1>;, _4 c% l. y; {; F# R% k) y6 b/ s
next;; I0 Q8 q* r$ a3 d! O
3中断语句0 u/ ^) d- r7 d2 {0 S/ H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ m+ J9 [9 W( u; d
还有很多，如有需要我把资料发到你邮箱里 9 S( O& ^4 k) x+ c* o$ \9 M& a
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