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发表于 2012-11-13 08:48:12
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1判断语句
( K& X1 g/ H) Y8 \* K if <condition> then$ Q+ t: {3 \4 Y9 \
<statement sequence1>;5 H% V( b- s! r7 c9 G
elseif <condition> then
9 b8 b8 d1 t5 x6 I' l( K <statement sequence2>;
0 v/ u0 d* F, k+ L. L else
2 t0 P+ K: ~! P: a) p* _) M+ F; _ S+ _7 E <statement sequence3>;) T: i I) K3 O4 t5 z8 v
end;
' [+ S: R* E6 R7 @2 N8 K7 x如果分支比较多，用：* j& |4 m( _4 `" `& W# D, q& ?
inspect <expression>
9 ?7 ^ k2 Z" h1 N when <constant_list> then
( [0 F/ _4 S* @: z5 I4 O <statement sequence1>;% |3 k1 N m1 }4 s, Z) o% T- ?
when <constant_list> then& M9 P$ ^+ O1 I
<statement sequence2>;% z7 z2 w% J( s' U$ v1 w! ~
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else
! b! }5 R( r; B& @ <statement sequence3>;
5 P3 I4 h5 N+ Q( M! C! qend;4 n% [. s9 J) T/ \5 f# S+ E m! z
B' @* ^; b* I$ A+ C" p2循环语句: Q0 g S% E' R$ G; k% C! _ P
(1) from <statement sequence1>
3 j9 q' {3 D4 A1 ~1 W4 a* w8 o until <condition> loop
' W3 a( v2 a- y2 m <statement sequence2>;' s3 s5 u# r0 Z. j5 e9 |: D8 v {0 q
end;
7 `$ d+ `- _: `1 i2 D$ c- q& V; A0 l! J (2) while <condition> loop
- {" B$ _; o0 L5 _ <statement sequence1>;
. \- o; A! {, Q end;; Y# Y% e O6 a
(3) repeat
% f7 X2 y" t/ q ~ <statement sequence1>;
# m- x8 [, b8 C& B until <condition>;
" C. y8 [6 |2 E (4) for <condition> to <condition> loop
; L! {8 {- z: m4 W% }/ N: H <statement sequence1>;" Q0 l$ |+ g% W
next;
# J% a) [/ q" P/ T; f8 T3中断语句
1 U5 d5 W3 M: P# s waituntil <condition> prio <integer expression>;
" w5 J& D/ i# ]- P( q8 [) c& @% x5 F! h; g+ W& m- o+ O2 |
3 T8 t4 S! D8 N, F
以上为常用的函数！
: d) T+ r* _* G& c3 V还有很多，如有需要我把资料发到你邮箱里
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