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发表于 2012-11-13 08:48:12
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1判断语句
! D8 e7 W0 V( ~9 V% Z* i/ R if <condition> then
9 H8 _8 r f6 Q <statement sequence1>;
- |* d: S8 Z3 M9 e% Z' b# s elseif <condition> then
- Y& `7 T% h, h$ D0 B <statement sequence2>;8 u) }: M- }0 F7 {; d$ c* o( F% |3 P
else
4 ^; O; I% d& t* j <statement sequence3>;
1 c" Z7 e& |* V0 ~( i @ end;
- C6 w3 Q& Q) ]" e) F; i如果分支比较多，用：: G( o0 t* \' f
inspect <expression>% c. l) I, k3 P
when <constant_list> then
# r3 i6 a S6 B8 Q: n/ d& P <statement sequence1>;
# _: J. }, d" [5 g5 Z when <constant_list> then
{7 ^1 K' {( L0 X2 l1 e <statement sequence2>;
2 l1 P" Q1 x+ x- s* ~ ...
# P( i+ \7 m4 D$ k2 D else
9 L# J: e! }7 l" i: T9 \ <statement sequence3>;
9 O7 w5 o8 N* g( `2 L" I# n: f$ Nend;
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2循环语句& n3 E& J8 ~8 [0 b- Z
(1) from <statement sequence1>! l, t9 d( i2 D4 M- s
until <condition> loop
( g* |8 j3 o% a7 Z) ~ <statement sequence2>;! U3 M- D* ]( r- v4 C
end;
( w D# x! f9 \- h, Y/ {( R1 `/ h) A (2) while <condition> loop0 l0 ?& T- N) Z/ u
<statement sequence1>;
% u! {9 @9 Y1 b+ R9 F+ }' g' J end;
& y5 t% j. ]; {0 n (3) repeat
& T: N/ K q7 C' O% v0 R+ m <statement sequence1>;3 g: m; z$ T2 }4 Y- q- B
until <condition>;0 e) ?' e ^! i9 g
(4) for <condition> to <condition> loop
( ?; I x: G- y5 u4 B6 |& X <statement sequence1>;
3 K% g2 w$ O2 f2 Y next;+ i6 u! T! m) P4 O& B
3中断语句9 O$ f; l$ e" R9 V. }" n2 ]
waituntil <condition> prio <integer expression>;4 F5 x% W) @+ B: s, w
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以上为常用的函数！- C# k3 n7 L8 x
还有很多，如有需要我把资料发到你邮箱里
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