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发表于 2012-11-13 08:48:12
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1判断语句- ~# o ?1 L2 [2 C" Z. N
if <condition> then) A* p0 [; [" g( n l6 Q0 x( y& l
<statement sequence1>;; X) {+ Q( k, x- j$ U
elseif <condition> then" y! Y) w8 J" d$ U% m
<statement sequence2>;
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<statement sequence3>;- f7 d2 m8 c5 Z
end;
9 Q y# g* L$ Q+ m如果分支比较多，用：+ D6 X/ B7 F3 t* w: c9 h
inspect <expression>; D4 S) I; L- y2 p
when <constant_list> then
# e2 D e7 b. W- t8 r' U& H <statement sequence1>;
* F6 W% I, |/ ~: ^! O. ~* G+ X when <constant_list> then
: j) I2 S; M3 V7 E* a3 o% F <statement sequence2>;3 e0 x7 ` ?, v, D& h6 I
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else$ {/ u3 m; G4 e8 p
<statement sequence3>;
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4 j" K7 G1 v2 F2 B2 A! Z$ y2循环语句8 ?4 x/ M5 `# J& L9 l: w
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop/ e4 z5 r- B7 y, g- C5 f
<statement sequence1>;: X' w' R L: p6 z* M+ b
end;
! b7 T" D7 y/ `9 S) W (3) repeat & A4 p2 h* D6 F z- n( d; Z% B
<statement sequence1>;" J; Q& }" x- M
until <condition>;
6 ?' U: f: n! K8 ] (4) for <condition> to <condition> loop
( q$ }% R. R; v8 s# l <statement sequence1>;9 |3 _- a0 n! z* I- m
next;
Q0 ~8 M, M6 _3中断语句1 @' t! G# J6 n, N- l; }1 I
waituntil <condition> prio <integer expression>;
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以上为常用的函数！) D1 M& @! I$ g9 @
还有很多，如有需要我把资料发到你邮箱里
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