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发表于 2012-11-13 08:48:12
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1判断语句
+ o( E0 G9 v6 S5 m+ j. \& ~ if <condition> then# o! c7 w1 L9 ~
<statement sequence1>;
, s6 D0 k" L2 M2 ^7 ?# `/ @ elseif <condition> then+ S* w: v) Q$ t3 M$ F
<statement sequence2>;3 R; I( L; l+ i: E: X: y
else - `% B& q- G Q: j E+ |5 v
<statement sequence3>;8 o# v& J; O4 \. o$ S0 F1 N
end;5 V0 F: W! |7 I4 U6 Z5 N' t; s
如果分支比较多，用：
8 _0 `6 p: t, K2 l( o6 U' w inspect <expression>* ]8 k, }! t2 S# h* v# `
when <constant_list> then* `* Q, |: w6 P
<statement sequence1>;! _; I6 i( K; x5 \
when <constant_list> then
8 U5 y: e& n5 J( d/ W; D <statement sequence2>;! ^5 `3 T$ `; S" u
...
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<statement sequence3>;
8 @; J. f7 |% S- v/ kend;9 P c" [; W9 Y0 K8 i
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2循环语句
6 v4 l2 c8 L: b (1) from <statement sequence1>
; R. Z9 d4 g" c; \, } m until <condition> loop
) n4 Q; X5 t m' i4 p+ N+ E' U <statement sequence2>;
" W/ u+ w% D# D) @% n- E end;
7 u" [- P( d" ` (2) while <condition> loop
. J+ y/ _7 S9 S$ U c1 K: O( h2 C <statement sequence1>;
/ }) C5 M) b) c" w: O' } end;
1 B- L/ F8 I5 w6 O/ J8 W0 v (3) repeat
/ _; l9 t |# H/ n+ _ <statement sequence1>;
. D6 p4 Z4 L6 C- U) k- w until <condition>;
9 e0 C1 X/ r- M. u1 Y$ o0 n (4) for <condition> to <condition> loop1 F* `) s9 Q4 p
<statement sequence1>;* }0 T6 f) c( A6 V3 R
next;
I# t* h& }* ]3 w3 T3中断语句) E/ I" T" v- b& L7 m7 @
waituntil <condition> prio <integer expression>;
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+ `2 S0 w% A. E/ R
以上为常用的函数！
1 n" {( i" w. [* R9 E还有很多，如有需要我把资料发到你邮箱里 5 X0 C6 @% {7 B/ V6 g& I$ x7 D
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