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发表于 2012-11-13 08:48:12
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1判断语句
( X& Y+ ?' M5 G% @ if <condition> then5 o" K) v% S: T; i9 `& Z1 |
<statement sequence1>;) I& r& R3 O6 U6 G* ]% b
elseif <condition> then
/ K$ g- y+ u: ~* y3 m <statement sequence2>;1 }+ f! e5 ^* z+ Y+ }
else
4 X# l/ Q/ R0 O <statement sequence3>;
) ]- X/ [8 y+ s; r+ E( ? q end;
$ f- q" G2 ?0 g! i如果分支比较多，用：: b' D0 _% r2 b$ M9 m
inspect <expression>* U' P9 v3 E. l9 {
when <constant_list> then
7 x- _2 O- e- J+ ^7 J <statement sequence1>;" N$ [$ e9 C0 c2 k
when <constant_list> then2 ^' y* q+ z! U* ~
<statement sequence2>;9 B4 F c& r6 X
...: h3 I/ \% F3 E5 a& Z- q4 C
else) C& _8 _) A# a0 G
<statement sequence3>;* A1 f% Q- m8 D* P! f
end;
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2循环语句+ O7 w, R1 R7 n9 @% Q* @
(1) from <statement sequence1>
+ c" n: A5 u1 p: A until <condition> loop
/ m3 d: H$ R4 D <statement sequence2>;
) B; A5 a, A7 L( p' d; I end;8 e* ]. d, f6 F" C
(2) while <condition> loop$ R" b/ l* ?4 r0 k
<statement sequence1>;
! x2 C: p) u! Y; u end;8 D% g; b0 E3 w, e
(3) repeat
]2 L( j# p& K) q+ Y# _. F <statement sequence1>;
- r! R; V2 ^# L+ U: S until <condition>; r0 Q! k3 C, f- b9 |
(4) for <condition> to <condition> loop7 X4 b/ Q9 [$ N- V) \* K
<statement sequence1>;! i) d8 _5 h- G( I) d- F* i
next;+ x5 I/ J5 ]& |- L
3中断语句# Z& l5 Z7 h! O% U
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
$ X0 ^4 P" [6 G% F# k' `5 O还有很多，如有需要我把资料发到你邮箱里 ( ^. _# B/ P( ]
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