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发表于 2012-11-13 08:48:12
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1判断语句
9 z- x" _/ ~2 g! L( e. o l' i if <condition> then/ v+ n) k& J, }
<statement sequence1>;
. t( I( Z- ?7 K8 D elseif <condition> then! a& j1 U+ m. s. d6 T& Q
<statement sequence2>;6 K8 N p! D( a3 I
else
& V5 m6 ?6 M# x1 G' c& H <statement sequence3>;" J; l" z& R8 Q" z
end;
6 e. Y8 a$ P7 P1 @+ w; g8 L如果分支比较多，用：2 L% m; B6 o: u4 ?# n; P
inspect <expression>
6 O. l9 j7 k G# G3 }/ |$ y when <constant_list> then
3 J* s7 Q: P3 g9 P <statement sequence1>;5 Y' U# V2 e; N& |
when <constant_list> then3 [1 v9 d' A% m# F9 z* P
<statement sequence2>;
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else- E& `' q3 j9 ^3 @. S4 A3 S2 U
<statement sequence3>;9 j: t4 K% q- Q' t V" X
end;
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: o; |* K* p& K2循环语句! L# O8 O: L0 C) w! ?
(1) from <statement sequence1>
" u1 E4 t7 t0 v until <condition> loop/ g7 X- k0 Z. _$ K, ?* W
<statement sequence2>;- n% q- e- z+ A" Y$ j9 M
end;
. V" s" y# x9 ]! Y, Y1 t (2) while <condition> loop
F9 r# `! Y3 l/ s: ~. {3 S <statement sequence1>;
3 s% d+ e5 L) @$ T end;
' r9 \3 H6 B: T (3) repeat
* f( {6 q0 E) n' D! m <statement sequence1>;
+ W0 d: c2 B+ X until <condition>;1 j" R% `" {# |. ?( T; C
(4) for <condition> to <condition> loop
4 [$ _) r0 K; `1 r3 m: @ <statement sequence1>;1 d- c% G) c5 [ y" P
next;
3 l" _; q6 |: d( |$ U3中断语句; b. N4 W1 R( s( n4 i# j
waituntil <condition> prio <integer expression>;
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/ r$ C. w# O4 v9 Y1 c9 Z6 p以上为常用的函数！. M/ q" P0 U7 X6 l, `+ w1 r
还有很多，如有需要我把资料发到你邮箱里 1 F3 T4 k5 Z) N+ c M! u' D
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