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发表于 2012-11-13 08:48:12
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1判断语句/ {6 |/ D; m9 _; U# t4 T9 }" ?* |
if <condition> then
5 H+ r9 \7 `; [ <statement sequence1>;' Y. L$ n# I! b6 I; f V# }
elseif <condition> then
) B5 V1 a+ c" T7 J0 R$ c @ <statement sequence2>;( A0 i& G6 V( I9 z
else 0 L% |7 W! Q3 e8 f
<statement sequence3>;% `1 X+ G' X) b4 K
end;
4 T3 ^: ^! N2 X6 ?如果分支比较多，用：6 c7 |8 o* t+ P; r) K
inspect <expression>7 Y' v. J0 S/ c* Y2 Z* N' [& R
when <constant_list> then$ p% [: }% A, C& h; y% @$ t
<statement sequence1>;& G% E! J# B$ k* d+ C4 R
when <constant_list> then
3 f% ]: ~! v. O$ ?3 ] <statement sequence2>;
$ i4 W7 x) I* d: @8 X3 c" Q& }! m* b ...
1 r3 L- F# m, L# l0 S else
: M: K: i k; J7 F. v: t <statement sequence3>;1 p5 E% j! _( M
end;
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" _4 {9 N- q* U( k. U, w/ o2循环语句0 ^& C+ j0 w7 j: ]
(1) from <statement sequence1>8 I6 n% [5 E) J+ \# G! i
until <condition> loop
6 x1 ?6 A/ m( ^" G. x4 _ <statement sequence2>;5 ^' I2 q( l: f# U/ |, \
end;
3 U4 O# K3 T7 F/ M+ z (2) while <condition> loop
1 G0 X" m' m* a$ t! P <statement sequence1>; u6 u$ k+ \/ \+ K) f6 D
end;. a* s) J; s5 s z. ]
(3) repeat 7 v) ~3 h+ p J4 { G# ~1 H% y# d
<statement sequence1>;* Z/ H1 v0 O h7 N
until <condition>;
8 k8 u% p2 L4 F F; B% T( F9 f (4) for <condition> to <condition> loop# v, e- X$ X% U. H
<statement sequence1>;
( Q- `& F0 ^3 q$ ]$ M next;
1 {% p$ }5 ]7 q) e' [3中断语句0 m9 ^: A) G; J$ }& ]6 S
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
, w6 f* @* h# G还有很多，如有需要我把资料发到你邮箱里 - q# ?; U' { C9 q3 c
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