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发表于 2012-11-13 08:48:12
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1判断语句
! W$ r: M3 A2 B( l if <condition> then( |4 v/ I8 V6 u$ A8 x3 K( a
<statement sequence1>;
% M# v" h. e+ q z; p5 W elseif <condition> then+ n6 _' y9 M, K
<statement sequence2>;
" M+ z$ ]# T) _' ]9 q% ^ else 3 X5 l0 m9 d- U' `
<statement sequence3>;1 H9 Z2 O7 @, _# Q
end;
* B- ?* A; D3 Q& ?+ n1 o3 b e如果分支比较多，用：# z/ M: K4 T* {
inspect <expression> N% ?, h1 g$ Q2 x- i \# r
when <constant_list> then
/ ]4 R& ]# r* v1 U% C <statement sequence1>;$ f8 q* B1 \5 A/ F$ \% U/ ^
when <constant_list> then& c2 f4 [% z) o0 b5 \. t
<statement sequence2>;( c. I! B7 v4 d2 C
...6 }7 g( D) y n9 w! s
else# [- D, ]) i; p- f/ `; N
<statement sequence3>;8 C, N1 E# T6 ]4 v
end;
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2循环语句( {/ G/ T! M- F. c* X
(1) from <statement sequence1>
# t1 b5 Z( T6 S: f until <condition> loop3 y0 w7 V4 I* l# \) c8 v, `
<statement sequence2>;$ m) `6 Z7 n" a, e' K" f
end;
. R% u- m9 ^! e; b6 x8 I (2) while <condition> loop
( y: W7 x' d" i" Y6 K3 s <statement sequence1>;
, t2 H4 K( J( j- u# \7 ~9 | end;7 S2 ~ \8 s! o( `* T
(3) repeat
% N0 H( Q2 L# I6 O( x' { <statement sequence1>;
, M3 q0 V. r7 R2 H0 n0 F until <condition>;
- R- ~, }' S: w; p3 _- o$ n (4) for <condition> to <condition> loop0 P" ?% A9 ?& [6 e5 @. P0 ?
<statement sequence1>;
1 X D& u+ E# F1 Y$ N" \* t next;
# [" j S; j- c5 e! S" t! f) s3中断语句1 ~5 U0 \ q* n' \3 x" ]# y! _
waituntil <condition> prio <integer expression>;% H/ S+ X$ c# @3 e( D% i
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以上为常用的函数！" ?5 |, p- J4 [. s8 C" W" B
还有很多，如有需要我把资料发到你邮箱里
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