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发表于 2012-11-13 08:48:12
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1判断语句
! ?- ?$ N w7 `1 ]( C if <condition> then
) B' R5 |! h: [, _. ^ <statement sequence1>;7 P4 D* B7 P! l$ N" H1 R, q
elseif <condition> then
0 X0 I% [2 m2 R1 k: n1 ]6 r <statement sequence2>;
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<statement sequence3>;: F2 b; G u$ \* u
end;
1 A- {# ?- e: T5 b" y. |' I5 z如果分支比较多，用：4 f) M3 E( z4 Y( N7 p" T- ?+ q3 O1 `
inspect <expression> X9 |3 x2 N; U2 _! T. [: V& q9 i
when <constant_list> then# l0 g1 I8 n9 f+ T
<statement sequence1>;
5 t( [1 u, u; H7 E) h5 j when <constant_list> then
5 n6 {8 e: D5 o. f <statement sequence2>;
0 U% R! k! u, ~2 P8 a+ t ...
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<statement sequence3>;8 K- `& C+ G: R' {/ X( G
end;& u d; d$ o2 m5 r8 ^
; Y; ]# ]4 x" M2循环语句+ R: c) U. o& I
(1) from <statement sequence1>
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<statement sequence2>;$ u* E1 w" L8 u$ e& R; a5 j
end;" x' b: i4 k" I* E( a
(2) while <condition> loop" i" Q3 Q+ K) h. Y8 ~) X# ? Q. N
<statement sequence1>;
' @0 z& q7 I1 k: t( Z# H end;/ v B% M; l6 q. Y( l& @
(3) repeat
8 [7 R! w, i/ W' Y8 W <statement sequence1>;- H; k& L q6 ]0 h7 D
until <condition>;
( i, C0 h' k t. \- s# Z" _: M; r (4) for <condition> to <condition> loop1 r+ S& ^2 |9 y; H
<statement sequence1>;$ j) {1 ?% [8 X+ o( P! Y
next;
- T1 x. N" p6 L" t$ b% A3中断语句
: P- u6 B% y6 d/ n% O waituntil <condition> prio <integer expression>;
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4 v8 {+ h, o2 E4 w+ A以上为常用的函数！5 V$ ]0 R- U H. _4 k
还有很多，如有需要我把资料发到你邮箱里 ' k$ \9 B. p2 _3 ^" \6 j, d
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