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发表于 2012-11-13 08:48:12
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1判断语句/ y2 q, A$ t" E; ?1 |8 m
if <condition> then2 R0 D7 r5 }! o+ J. Y" r! g. ^
<statement sequence1>;8 F7 g3 j7 L* U9 `
elseif <condition> then
b n7 E* u1 |( M <statement sequence2>;" F ]; i# b6 Z& t" \6 G
else + ]! a6 g- V0 V4 H
<statement sequence3>;
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如果分支比较多，用：. x/ o" i, O7 d3 p8 e; x- o
inspect <expression>
1 ^/ D. N+ x. i o6 _3 f when <constant_list> then
+ @+ F, |' n8 j7 o) b" R0 \ <statement sequence1>;
# r; n" r4 W2 Z+ v when <constant_list> then5 o" I1 \ K& ]! U: s+ ?) I
<statement sequence2>;
! z6 x' w, z" G0 {- U ...
A6 `$ _! x! v+ X else
+ M! j7 M; z' k' K( b) H <statement sequence3>;, S7 b- x6 `% e1 z7 F5 o! H7 c5 \
end;
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2循环语句" }6 ]) t0 }; E
(1) from <statement sequence1>8 O- s- n8 I: j: b/ r$ S% K3 S+ Q
until <condition> loop' m2 e/ x9 ^& z( x* `5 v
<statement sequence2>;) N% K; F; D" D% D1 j
end;
# P6 h4 o" G6 b- `" T" ?6 g) v (2) while <condition> loop \ p% C( e: V. J3 _! o$ [
<statement sequence1>;6 `1 ]0 s! f8 W4 E/ W9 v; F! o
end;8 _2 H, M9 h9 T0 c( r" P
(3) repeat 4 q( V/ Q: \! x8 D) d" l0 X/ v% u; g
<statement sequence1>;
# j$ t# J1 w2 E( H) d- _. ^ until <condition>;
! o9 m& _0 t* g/ v7 D (4) for <condition> to <condition> loop+ G Y6 ^: ^) S
<statement sequence1>;
% c: ]0 g9 T, q0 X next;
' ?" |7 b: x0 n: F8 g- ]4 I0 h3中断语句- b5 ?8 X. D: S% ?
waituntil <condition> prio <integer expression>;
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, k, j2 H0 J4 G: N* e' C6 j以上为常用的函数！
! G8 v4 i( S2 \) _还有很多，如有需要我把资料发到你邮箱里 7 m7 B, K- H' H: U! Z9 A
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