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发表于 2012-11-13 08:48:12
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1判断语句5 M- L5 K6 c1 ~: V/ Q4 i# R- v
if <condition> then/ P8 n: \+ K$ G
<statement sequence1>;- C( ^0 P4 {2 B
elseif <condition> then A2 R3 |! r& K5 n: k y
<statement sequence2>;
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<statement sequence3>;& d5 Q0 g. w/ g/ p. C2 X+ P
end;( B9 |/ W3 M ~/ ]6 E& y
如果分支比较多，用：; `5 H) R+ _3 g$ T! U0 U
inspect <expression>+ {9 `5 G5 E' d4 e& I
when <constant_list> then
$ v* o1 ~4 [, i! E) G <statement sequence1>;
: {) r Z4 B4 z3 a) w; b when <constant_list> then
7 C8 g3 [% B Y <statement sequence2>;: U# J( Y' \" \# A
...
8 \/ s- M: _- u _0 U m else Z' \5 i) O% x1 [; L: Y
<statement sequence3>;
% {- T2 G/ ~, [8 ^: wend;+ k# g* ~, B. ]. \* A C3 ^
U) K5 w1 ]1 H' { y2循环语句
( X* {/ D- u/ Y: d (1) from <statement sequence1>: a8 z5 d$ ?2 U, {
until <condition> loop
' q) V1 g L: b. d+ V <statement sequence2>;! q- T' Q4 z" o7 y _, N0 X
end;
) s9 u* e5 r I (2) while <condition> loop
9 |5 I) S: ~" K; E5 k' H9 R/ a) }5 D <statement sequence1>;* }; Y* c3 K+ ]8 U, j
end;
1 w: o% I/ p7 t) t (3) repeat + I" @, C- o' W: p
<statement sequence1>;
; f0 C/ z9 V# R until <condition>;% b" d- [1 h$ c
(4) for <condition> to <condition> loop" g/ B6 T/ g3 L) L" Z
<statement sequence1>;3 U8 a: ]' U; m+ w5 Q
next;
$ E f' h: w4 W) u3中断语句
# R5 q3 `+ P( M waituntil <condition> prio <integer expression>;
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以上为常用的函数！
' m) | @$ k* D* Z还有很多，如有需要我把资料发到你邮箱里
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