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发表于 2012-11-13 08:48:12
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1判断语句
, `- u" `9 Q- n$ m: q if <condition> then
* V2 K* _" k2 U" f: ^0 v <statement sequence1>;0 ?7 y% f5 j. U% b1 Y3 F% k
elseif <condition> then
3 R+ M1 ~. t H: p/ x! M <statement sequence2>;
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<statement sequence3>; G4 p9 I: F. L9 u
end;& Q; W. ^& V; I0 U$ s' U# F
如果分支比较多，用：& i5 G _9 x5 C" O% K$ M/ b
inspect <expression>4 J4 I5 Z( N$ B5 `
when <constant_list> then, o1 B% {# X1 b& K
<statement sequence1>;8 S2 y" h, d. H H
when <constant_list> then
- }1 b* X* H9 ^( k4 t/ g <statement sequence2>;& v- Z9 c4 A3 ^* E2 A
...! \% y" M% }2 ^( c9 b9 z
else& Q. o3 A, a) d' A
<statement sequence3>;! K5 ^1 f+ }- y' t0 f+ [& [# T
end;
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2循环语句8 `* Q# h9 N+ f: L% V2 W3 j
(1) from <statement sequence1>
5 z, J2 j0 `) b/ B. w; k until <condition> loop% `% y* F/ D1 Q. f n) s
<statement sequence2>;
( C: y7 I0 y' P+ N: r4 ~, J: k- F end;: c' G' s' Y* K5 B" x! w$ M2 W
(2) while <condition> loop; v: Z2 T: |/ Z6 ?1 l0 ]; e
<statement sequence1>;
' ^$ n, N# S% y/ p' O6 p/ n8 l end;
: F; `* |3 ?8 o0 q) A1 M (3) repeat ' c, \2 J' C6 \: k0 J3 J
<statement sequence1>;: S5 t I6 L+ z
until <condition>;
- t, K, D8 ~& _6 O$ e' Q3 C (4) for <condition> to <condition> loop
. E! g- C0 j3 a, L6 m% |: @$ v5 x <statement sequence1>;/ E( i+ u8 b% T1 u7 V: M
next;
; {% z7 o; r5 k9 E+ C$ I! @3中断语句5 L3 e% |$ l8 C+ W& @/ h
waituntil <condition> prio <integer expression>;
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以上为常用的函数！. S* z8 U" P$ Y- E! E% W
还有很多，如有需要我把资料发到你邮箱里
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