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发表于 2012-11-13 08:48:12
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1判断语句
+ E5 r) k& P2 u- M if <condition> then4 ^3 j5 u q1 N' y& i# s9 m/ P
<statement sequence1>;
7 K: q$ Z; L4 W9 f% F elseif <condition> then, X( W% u4 f: k1 T! S ~/ o. t( d
<statement sequence2>;
0 D; N+ B# l7 D3 D$ K8 [ else ; `, o( T ~# m0 f+ e) Q
<statement sequence3>;
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如果分支比较多，用：0 K. M+ s. J6 Z( T
inspect <expression>" A6 h' q! T! d* F$ G# M
when <constant_list> then2 N) {# k. G, \" i+ D: \
<statement sequence1>;' Z4 n1 v$ o" y) _. t. e
when <constant_list> then" q2 B o0 z! R+ y% i$ Q5 E
<statement sequence2>;
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else
+ R% I8 i# |6 L" ^9 q i$ I1 P <statement sequence3>;" N' [' L9 }, \9 L+ K5 |
end;
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: O. y( V' f6 o0 H3 E2循环语句
6 @6 |8 Z* R& T2 q- z (1) from <statement sequence1>
% K; b8 u; Z; z* j' ?* W j until <condition> loop
) a2 c: u& b& C/ L8 C1 k* g <statement sequence2>;. r) G0 A# @. P3 G, B* ?; v
end;
1 B1 u2 w3 C/ s/ V* A1 V (2) while <condition> loop
6 s) M5 {9 q8 v' Z! W6 m <statement sequence1>;7 r' w: N7 x2 I4 V+ P
end;
! |$ l/ v8 J# k6 { (3) repeat
1 K( |- H3 a/ u+ y <statement sequence1>;: K5 J% w: h& y
until <condition>;
_5 |) |* r6 J& e1 Y (4) for <condition> to <condition> loop$ q+ O% K0 y& A, }, ]
<statement sequence1>;
: S1 w% k& e6 t2 @6 M% b! n& w next;8 [; b" W+ T# L! Q9 ?
3中断语句
# g. i4 x% {: v9 @5 o* s% e waituntil <condition> prio <integer expression>;
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5 S8 y0 }. i2 S# r8 o: G% c w以上为常用的函数！
- F0 Z9 C. Z" d还有很多，如有需要我把资料发到你邮箱里
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