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发表于 2012-11-13 08:48:12
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1判断语句3 {+ C2 w4 ?: m) p5 f5 ^8 `
if <condition> then) D+ H, S( \( j: k) X4 N
<statement sequence1>; n1 `" b- }( t, y. b
elseif <condition> then
% V/ i' g: n! D: U' T3 M/ z <statement sequence2>; k& B @; s8 v# V5 k" P) _
else 0 F V9 f: D9 I: A
<statement sequence3>;$ C P7 v/ H8 o' }( h$ q3 u( r m& x
end;
. f; o; e* D6 W3 f2 w" r如果分支比较多,用:- E a# i, |. L( Q9 {
inspect <expression>
' O/ ^* I( \* Y6 S when <constant_list> then" R; C' ]3 T0 `; `1 \! z: g
<statement sequence1>;( z1 K5 @4 ?6 M/ y) _
when <constant_list> then V& _3 w- D. f8 m3 |
<statement sequence2>;8 ?+ Y- ]& P9 w' R+ o: X1 R; B& `8 ?' b* v
...
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<statement sequence3>;
/ M/ \' I1 E/ {: T9 I9 p4 Dend;
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2循环语句
7 {& G, t$ ~# m1 b (1) from <statement sequence1>/ I0 A3 Q3 D: [" O1 _7 S
until <condition> loop+ s* z0 q( l8 T+ _2 o
<statement sequence2>;- ]) v7 ^3 \- _( A- j* ?* M
end;
: U" \$ X8 n8 i1 n( C) [ (2) while <condition> loop( ?# ]& i! G) l# [
<statement sequence1>;
+ }1 |1 [& `5 M4 _, M9 ]) e7 s3 U end;
( C' F; [& c6 I' E0 |: k (3) repeat
3 U" b" C% K2 N$ D6 R" A1 n <statement sequence1>;+ d" x( h9 x9 Y
until <condition>;- a! x, f2 z! i& s H
(4) for <condition> to <condition> loop
) a9 [7 A# H. J+ ? <statement sequence1>;
]+ W# C0 N# H4 i/ n next;8 E+ M- Z2 p% |( T
3中断语句
5 i9 m, K/ Y1 e0 o+ p _ waituntil <condition> prio <integer expression>;4 |1 @+ I2 ?4 c' e5 @
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以上为常用的函数!# M/ H3 E% M! E7 x, ~. u+ h, V+ `* @
还有很多,如有需要我把资料发到你邮箱里
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