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发表于 2012-11-13 08:48:12
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1判断语句
: }/ m3 F5 J' L4 `; _9 z4 V6 c if <condition> then
" m+ W8 ~* m! F$ L <statement sequence1>;: Q G2 Y. t7 T. D( q
elseif <condition> then: ~9 c X9 t, o' s0 ?2 L1 c: O
<statement sequence2>;5 E6 d6 v; Q6 }5 q3 z
else ) V: i" Y* I M' w
<statement sequence3>;" t8 Y: l/ \+ D* I6 C
end;& b9 g. s# |0 u/ {
如果分支比较多，用：" d: c3 D# c: S: D. {2 C: E" @
inspect <expression>/ r# y0 S5 i( k8 g7 {
when <constant_list> then
7 B" O# e) t7 i: g) b <statement sequence1>;
: U7 @( ]; b' X" f when <constant_list> then
2 G1 D7 ^! h6 ^8 W <statement sequence2>;
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else4 v' }9 d3 C' t4 \
<statement sequence3>;5 V3 E: ]1 }9 z& ^
end;
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0 _, O% d1 b9 j( Z7 Q2循环语句* n3 e2 z3 E) R* H% ] w
(1) from <statement sequence1>% p1 t1 s2 a3 h) \& A$ R
until <condition> loop
8 z: w1 s8 f1 h <statement sequence2>;
8 R T5 O/ C1 n' Q3 K# H end;
5 H) s+ p4 ^: v2 ?8 Q4 Z (2) while <condition> loop
: ^/ A J; k* m( w# U <statement sequence1>;
) n; ?' u8 K4 g end;
# K) q3 Y! [' e3 [0 P$ T3 B7 G6 \ (3) repeat
, F" H, y/ `) s1 h& P) ^ <statement sequence1>;
) z- H: e; E9 |* ? until <condition>;
: }9 h1 G) s7 T ^& z (4) for <condition> to <condition> loop
; p6 _$ S6 E. B! g- S <statement sequence1>;
' h: v: Q, C% Q6 v. n* p6 p1 M next;
) h) Q% M/ ^ \6 s6 k3中断语句7 G/ @8 f6 Y5 l3 I" w7 p9 E6 A
waituntil <condition> prio <integer expression>;
3 ]3 x4 q+ H' |; A. [8 a( {2 M: R% D+ B- d: z# D2 ^- W
1 _3 T4 Z% C, l D以上为常用的函数！; \8 s( {& L+ j/ H( [! P
还有很多，如有需要我把资料发到你邮箱里 5 w. Z0 p, l' T- z3 y w9 K
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