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发表于 2012-11-13 08:48:12
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1判断语句3 ?$ X3 p/ m( E: }3 ]; A
if <condition> then
, K4 C3 o' Z/ l, L <statement sequence1>;
( H- v j( o$ E$ w elseif <condition> then
8 {6 B/ X7 ?7 w, `' s <statement sequence2>;* a0 `) i; ]% D" F
else
& ]! n0 m* O7 z0 c) l0 Q: M8 } <statement sequence3>;5 `: T- i5 L1 z
end;9 L2 _) r' ~; U1 G. p' X a
如果分支比较多，用：
' ]9 q4 t9 x' y# E; d# ^ inspect <expression>9 i7 o% B7 Q7 k# s+ n. ]. ]0 v
when <constant_list> then4 Q7 ], w5 m$ j+ u7 A$ R1 d
<statement sequence1>;
8 R% z% J& R& X when <constant_list> then
; _- F1 P, `# z4 ] <statement sequence2>;
: R+ Q3 j6 b) _4 ?# ?6 P ...
. Q3 a% x) y# H3 X else
% s, g: n+ N- q' d, U6 d <statement sequence3>;
8 |1 O3 \3 i+ ?0 ^: qend;
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0 V- |, s# m4 W z, b4 Q3 @$ T0 A7 |2循环语句
- K- `0 G. [. N (1) from <statement sequence1>" ^0 s% U/ X S* y% }& t8 r% v Q
until <condition> loop
" Z/ G3 l* |5 K/ L' E& W0 b! N <statement sequence2>;
# ?* E# f8 G$ o end;
# B" s. A9 L# g (2) while <condition> loop4 E* y8 D7 Y+ _) K& D, J
<statement sequence1>;- G2 y% G! E( l# v: N& W8 S
end;
9 l+ `3 `* y" r8 L7 }6 K$ T0 I (3) repeat
/ T9 H9 n" C3 d0 ~8 O <statement sequence1>;
) n! _% V# M+ D until <condition>;
1 z% F( n7 D$ q& `/ o: ` (4) for <condition> to <condition> loop" b! d5 j9 {$ X H* f/ {2 T
<statement sequence1>;6 D' v- O6 j- e. u. g
next;# B) M3 x+ y" P% E
3中断语句1 v# u: M3 u& Q) C
waituntil <condition> prio <integer expression>;" ? d7 C% b# ]' H" v
q" \1 f$ u' V& Z% S, l
]& ]( ^, O2 h `以上为常用的函数！
" [, r; b5 y* O. J7 _' p" X还有很多，如有需要我把资料发到你邮箱里
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