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发表于 2012-11-13 08:48:12
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1判断语句+ k: Z/ ?4 P. o+ e n+ ?: X- C
if <condition> then
! d1 |/ G4 {$ _( X" S <statement sequence1>;' E- E( I- B7 P& e# Q. |
elseif <condition> then, V v: \& ]; u5 G; Y2 }
<statement sequence2>;
" {' Y3 |! k6 A* _" b else
9 {. q( o! c! H <statement sequence3>;- ^6 J7 v5 v9 V) J- e8 F- t
end;
2 M* W9 E# B' u0 \9 ^9 S2 L8 a如果分支比较多，用：8 \$ B' F$ z$ V [0 t; n
inspect <expression>
3 Y2 P8 j- ^* F- u( q7 V1 n7 G% k when <constant_list> then
V# E0 c: p) Q5 k9 Y) U+ s6 W <statement sequence1>;9 y3 o4 o; ?" A
when <constant_list> then( b. E; |2 d" _5 B
<statement sequence2>;
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else) P0 Y4 H9 n* t6 X
<statement sequence3>;8 J; D$ S2 P! q/ v" v. D
end;9 _; m# ?' E* k) R: O
3 a" M( [2 s% g8 F% ?" x2循环语句
+ n, _0 b* r" Z c3 W0 m6 U (1) from <statement sequence1>8 c' f) X' |* V' U0 ^8 L' {2 k+ e
until <condition> loop( ]5 q; S7 i- y, w, _$ x2 N
<statement sequence2>;
3 R1 m# t5 o' L1 P2 G! f end;
9 B. @* W+ T& S7 M1 ~& O3 c (2) while <condition> loop
* }9 u2 v& ]( j! ^2 `+ |- ^, n <statement sequence1>;
9 m# B* s7 ]( T1 h end;
* d' p8 y/ P" y' x* n* N (3) repeat
- I/ o/ J* g- |: Q# ^, Q <statement sequence1>;
* l$ E$ A" Q. f; R/ w% z until <condition>;1 o$ h a8 n- a
(4) for <condition> to <condition> loop
/ }3 `, y* V+ c# A/ n5 ^( ]# x: j <statement sequence1>;
# j+ t" U1 r/ x% T$ V9 m next;6 F' @/ D1 p, U- a2 U/ O
3中断语句6 x* v) x7 [: l! M% R" l! V# |
waituntil <condition> prio <integer expression>;" ?: U7 @! q$ J2 a5 e
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以上为常用的函数！9 ~" R: m0 Q3 x' i8 n; J
还有很多，如有需要我把资料发到你邮箱里
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