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发表于 2012-11-13 08:48:12
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1判断语句
9 `: J# V \8 c, Y2 B0 ^ d: D if <condition> then& ]# h, I8 q/ D" e
<statement sequence1>;% Y: y- f8 B1 s! E9 d5 ^
elseif <condition> then
/ F$ \/ h" z: }" ~& `8 d' J <statement sequence2>;7 H9 c( f0 ?5 n* }' s0 ^- O/ E
else
" w$ f3 F$ f1 g' [) h <statement sequence3>;) F: e" c) I4 e& W4 _
end;
- g! O- M1 l7 z3 J% t* M如果分支比较多，用：: a* m! E. `' X6 Q1 T0 U
inspect <expression>- j% J- j( x/ B3 B- Q, G
when <constant_list> then S0 |- m3 d Q+ b% C% s
<statement sequence1>;
1 g3 h9 W* t7 K% N4 M' i when <constant_list> then n# ~6 q$ ^3 q! |3 |- t0 w# B
<statement sequence2>;- c6 l& u) I) ]! c( \% W/ A
...
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<statement sequence3>;
( l0 d6 n1 T8 m' b' ~end;8 a j% E, K) d4 E4 d
m i. k* r- Z2 s- Q( w& i" j6 c$ Y2循环语句# ~) z6 ?: ?! {( g9 Y4 M2 m
(1) from <statement sequence1>
; Q- U- ]$ C5 n0 o/ Q' ? until <condition> loop
7 f' v% f$ w% v, s# { <statement sequence2>;
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(2) while <condition> loop
4 y) {! U" c7 }9 t U <statement sequence1>;. d- O$ J1 j7 `$ L' W( u. I
end;) A* X- J4 ` ` v! N3 H! `
(3) repeat % D1 Y) y2 Y6 @$ ]2 S
<statement sequence1>;
, |% Y# H8 u1 F; p, Z until <condition>;& G! A6 U3 I$ V- ?+ L! P
(4) for <condition> to <condition> loop' R& I8 M9 [0 Z6 T- L
<statement sequence1>;; r2 X0 _; T9 e( R( R$ O
next;* a5 Q, l7 d4 G; b3 H+ L1 k' A
3中断语句! I# W8 ]* Q- K) M3 R
waituntil <condition> prio <integer expression>;
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% G% E- I) y% E8 n' G' w# Y! }以上为常用的函数！; }3 n+ Z3 ]2 Y& ]
还有很多，如有需要我把资料发到你邮箱里 6 M- I( ?% _) n8 A6 m
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