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发表于 2012-11-13 08:48:12
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1判断语句
3 m* c) H6 S! I! T5 e if <condition> then
& c; i7 L: {8 M& r" H <statement sequence1>;
$ o/ @2 s2 w- F/ c# g elseif <condition> then( C) W( U% i+ |' @& n
<statement sequence2>;
1 O& v4 e' `; n* x8 Q else
) u9 i/ M- P. t8 o1 C5 B: V <statement sequence3>;
4 P, M) [6 E9 T, r6 V# u end; N2 r5 N2 }; @: f& I/ W
如果分支比较多，用：) V i; C" y' w2 l. K0 L
inspect <expression>9 V' b9 P( P1 ?! w' h- Z S$ T5 _# t
when <constant_list> then5 w) V, g) I7 J6 N, W% a
<statement sequence1>;- a! K% U0 A# B! D' k4 p% i
when <constant_list> then
: b" U/ r. [5 ^4 K( @3 N <statement sequence2>;1 p! a5 [/ p# N3 q+ A6 k: S- x
...
9 l+ v, J6 X2 m: r) l0 n else
( g" r% D* z$ ?0 d( }( H; Z <statement sequence3>;
* \/ d9 U$ E0 a6 _/ Y& b$ J( Z% n. x0 `end;
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2循环语句2 h2 a7 b; m; f; @
(1) from <statement sequence1>
: j p& M/ s( N& M until <condition> loop
/ a1 t, F }: M; T <statement sequence2>;
. h) H0 C. f) [8 Z; v2 m end;
/ f$ F' L6 M7 O( \% y& I (2) while <condition> loop- W& }7 q8 i; H' l: \) {! C
<statement sequence1>;
+ l- x/ T' y* j8 w5 h' ~0 P8 \8 u end;
$ J% h) d/ F/ e. R3 F8 B& Y (3) repeat
" L$ v/ ~1 i* ~ <statement sequence1>;3 l! }" ~" J3 F9 V( s) v7 C
until <condition>;
9 K% k0 i! }- ?. ]8 @% T; _ (4) for <condition> to <condition> loop
+ N* S/ ~8 Q9 @4 K' [ <statement sequence1>;
% W1 S2 m3 \. I- h: o& { next;
: z# t! p1 l+ T ~" I' U' _3中断语句
9 `2 }# l/ ?6 ?* c }4 A waituntil <condition> prio <integer expression>;/ S) V/ {- L: m: w7 m& b) G
# d6 [7 R' ^3 C7 U" h- u! C5 _; x
" s6 |0 k0 n( X, I3 {& D+ o以上为常用的函数！, c8 [0 a' @: [ ?: |
还有很多，如有需要我把资料发到你邮箱里 # w( J& d" b* V; P i5 E$ V7 j
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+ @; l& ]: F8 `) m* c/ b
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