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发表于 2012-11-13 08:48:12
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1判断语句4 k: k7 `$ ?6 y2 g7 K# t8 k0 L7 q
if <condition> then' i0 f( @0 O y+ W/ S4 b$ t/ e
<statement sequence1>;% v2 c4 [1 z1 V! G
elseif <condition> then1 C# k8 J$ k9 Q, n* y0 L1 a; i
<statement sequence2>;4 t$ e K: C X& r. `, Z
else
' S6 {, F% P+ J7 g <statement sequence3>;6 b \' j @0 d/ @9 Y
end;
0 H! _3 {& X7 Q% t5 L如果分支比较多，用：: u7 @0 A4 X1 s4 D1 |" N
inspect <expression>
, V8 e$ [3 r9 @) J1 J when <constant_list> then, `' M# {2 I' R% n
<statement sequence1>; K: R- E6 U" l) p. J
when <constant_list> then5 ^- k# s7 A5 d1 L8 s" K" |
<statement sequence2>;' N( Z: e4 I: Z' Z
...
# U9 I; d: x# X else
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- S' F }) c7 \& l! Tend;
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2循环语句
0 R1 [2 @5 @( u7 i( l0 u" ]" I. t (1) from <statement sequence1>$ E: z. R9 s: k7 N6 b
until <condition> loop5 S, S% }1 n) ]
<statement sequence2>;+ s) Z7 [* |1 I, ]
end;: Y6 f' v6 n- Y; O+ o
(2) while <condition> loop4 {. d" E' n2 s. }
<statement sequence1>;
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(3) repeat 4 ?7 E( }$ P$ p! P( R5 g
<statement sequence1>; j: K2 s3 x. v2 {
until <condition>;2 N8 K+ Z" S1 t% k5 z: L
(4) for <condition> to <condition> loop2 d( H. ?7 D: Y4 ^
<statement sequence1>;
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3中断语句. s# L5 x. S6 p/ C( c% s
waituntil <condition> prio <integer expression>;
4 z- `6 j: R. H# }* s: P2 C/ L% g: I
- T; ~8 G9 b+ }* F# v! C以上为常用的函数！
# q) y1 |! J/ x3 }8 q ^还有很多，如有需要我把资料发到你邮箱里 4 U9 F- }0 h' {9 r+ b
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