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发表于 2012-11-13 08:48:12
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1判断语句5 T5 c/ N; u2 b' Q9 m
if <condition> then$ f5 O$ e( E) |& ]
<statement sequence1>;
6 |" g8 z/ ^: W8 R/ Q) U# V# h1 ` elseif <condition> then8 B8 B- t; t: S4 K* W; [; _
<statement sequence2>;! J, {9 _2 L0 K8 W5 ?( A m
else ( t- D: v* |$ c* d% i3 T
<statement sequence3>;
5 O/ d1 Q S8 P end;( y4 s. ^$ `+ u0 `" n
如果分支比较多，用：, c1 i2 m: q" S: g& h" v+ z& t
inspect <expression>" s4 Q7 I$ P! d9 S; b
when <constant_list> then
4 G3 a/ i i& `& J/ y: d: S <statement sequence1>;
" @1 b6 R6 D Y- t4 z C when <constant_list> then& c% Q/ D: l( Y; {$ [
<statement sequence2>;" K) A1 j5 [; K& E3 v
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else6 a+ e6 j) y" l6 b# ^. @& F7 Q
<statement sequence3>;
8 F/ k3 T1 ?4 p. _/ H* aend;
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- T# {2 P4 d, U! W" ~2循环语句
% K1 u/ F3 c3 O (1) from <statement sequence1>
. z( O: P1 z1 M! `' m' Z' ^" g until <condition> loop
+ o$ h4 S: M; i# S0 Y- D- I$ n <statement sequence2>;
% H' X2 u3 s n7 ~. Y" I end;
( W/ Z. ?4 C9 f/ h/ O* y1 o3 E( y8 o (2) while <condition> loop
3 z# r" w; @. ~' F <statement sequence1>;
A* u* P; }0 n( l: Y( z. M" Y end;
9 [# r% i7 z. p1 A6 G/ H3 i (3) repeat
: q, c3 n; w/ Y. ^8 t <statement sequence1>;
3 a& n- i7 c8 \ until <condition>;
% G" P6 M f, S8 W. U (4) for <condition> to <condition> loop) r# @' d) u& t( |* ~: z
<statement sequence1>;; I) D. s- A! c" E
next;. p# p. l$ w8 k( H. } ]* a* f
3中断语句
7 h$ K$ d6 v( ]- A waituntil <condition> prio <integer expression>;
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以上为常用的函数！
/ P0 z9 T/ u7 [: F! ` r还有很多，如有需要我把资料发到你邮箱里
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