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发表于 2012-11-13 08:48:12
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1判断语句
# _3 }$ N; C. C/ C# S9 s% T& O if <condition> then
1 N) A% _# P$ h& d( W8 l <statement sequence1>;
/ b9 R; i' c2 u \5 {5 V elseif <condition> then
6 u9 w$ D3 L7 a( p: G% g <statement sequence2>;
* q) k, W- O- L5 A8 s else * L$ U( e- B% G+ I$ L9 O8 }3 w
<statement sequence3>;
! G! t9 i7 ^+ F end;
3 ]8 n9 E$ C$ ?, ~5 M如果分支比较多，用：8 W; X$ n/ @. ], q
inspect <expression>
! `/ j# [+ Y. W6 U) B6 ]5 i when <constant_list> then
/ P7 m Z2 n3 k3 e; P C" t <statement sequence1>;
1 d* o- D# c; @# v1 c+ u when <constant_list> then
, ^" X2 j" U) l% s c$ J <statement sequence2>;# i5 J6 a- J3 j- O
...
" i3 n" f d' @' L+ P8 s else6 c( y1 a4 t J: y4 }7 d& N& d3 v
<statement sequence3>; |7 u `6 `, Y3 f
end;4 _' t, c- [1 S( R& J, m' w) }
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2循环语句4 j( Z5 }# n2 n: ~
(1) from <statement sequence1>
6 n- \3 X: C! H) A0 {1 W" G/ h until <condition> loop
. h8 v* l' ~0 ~! d# v0 T$ m2 N9 s <statement sequence2>;7 W; k, Y1 H# l H" i
end;1 y; Z2 |& m9 m, k: f3 p
(2) while <condition> loop
# }( a4 o4 o4 r/ {) T <statement sequence1>;
0 U- |9 R' n. x6 Y b end;
. n1 E4 m' m+ d (3) repeat # t4 U9 a1 E/ ~0 s
<statement sequence1>;
x1 s+ U2 f5 Z0 w2 n until <condition>;
~& J+ @5 C) M/ U6 D) g6 q (4) for <condition> to <condition> loop
- N# c7 S2 K. k3 n& E <statement sequence1>;1 H& p% B8 F! ^8 O
next;5 y" q7 H V* X! r2 w8 e
3中断语句
; ]) j' G: b# E9 S& q# K8 E waituntil <condition> prio <integer expression>;& Y" a7 A: \9 T& e* l! }
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2 U4 M3 ~8 C7 n+ x7 r8 P" C以上为常用的函数！6 y- V3 g7 i9 \$ _) z* ?
还有很多，如有需要我把资料发到你邮箱里
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