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发表于 2012-11-13 08:48:12
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1判断语句0 E& |: f6 t! b+ ^" w: J2 p
if <condition> then3 }' ^$ ^2 S0 N, ~
<statement sequence1>;+ ^6 U) j. D- z. V
elseif <condition> then
4 X5 K2 q5 k0 b) D9 R5 x <statement sequence2>;4 d5 E) o$ j+ j+ ? _* G
else
5 K3 O7 n3 E% z" z <statement sequence3>;5 Q( C+ |1 ~ M% c \ O0 |) |, D
end;4 [8 D" n0 ~4 L5 g" X
如果分支比较多，用：8 A, ]3 H; O$ G* W8 C$ R% ]
inspect <expression>
4 d6 E( U3 |( R' h when <constant_list> then, _, G: l, V9 e' \/ t
<statement sequence1>;2 n) |3 ?5 ^$ a5 U) b
when <constant_list> then
|9 q" o. l s <statement sequence2>;" n' b/ y0 b |$ g8 z3 d
...
7 e+ I) H* I& J+ ~+ z; b$ ?5 x else; G5 @& R) l6 k0 y" ^9 c8 C
<statement sequence3>;
, a' p# Y) e, r9 ~" O i0 c" dend;
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: H l% l! ]) r# X% h. d2循环语句
, O; Y0 q/ O y# S6 X (1) from <statement sequence1>
) D" i* |* O4 P3 O3 D1 ~ until <condition> loop
% @/ g, [7 _, [ O# u <statement sequence2>;
- ]) \2 f# T7 u4 s! f+ x) N! W4 U end;
( o( @: w9 D0 K/ j$ _. y (2) while <condition> loop6 B2 E* J0 Z k7 `3 w4 ~2 r
<statement sequence1>;# G F3 \+ T2 l+ t3 P* ^
end;6 z& e& T' _2 V8 o
(3) repeat
+ q( c& b6 ~% e$ \( h7 x0 [ <statement sequence1>;! Q6 E+ L( ?4 k. M1 {' x
until <condition>;
7 Q' C# m2 q& v (4) for <condition> to <condition> loop f/ H) ~! g$ q5 B/ @9 F: z( \+ T
<statement sequence1>;( c0 S( k: l1 t6 f/ e6 t0 n( t
next;2 M# W, @: `! A* i; a+ X
3中断语句- u0 ]! O5 H8 V* y! d
waituntil <condition> prio <integer expression>;, s0 h: D5 ~9 W" p8 X
: O3 N% P* Q& O2 k! U
- s9 i0 F D7 |$ |! N- l0 ?& D! W以上为常用的函数！, ?! ^5 h4 q- Y% e' z s- O1 A
还有很多，如有需要我把资料发到你邮箱里 ! D5 d3 ^# q. w1 ` D
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