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发表于 2012-11-13 08:48:12
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1判断语句: T4 b0 A/ Z; z& s
if <condition> then4 Q9 X! L1 M) C" s3 D+ G" n
<statement sequence1>;' A; S% B- l' B" U
elseif <condition> then
4 |+ G; F5 F, L <statement sequence2>;
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<statement sequence3>;: D; {. W$ k: e' @
end;
. c& v7 T0 X3 p( L6 E$ J如果分支比较多，用：' R3 C: ^+ ?$ {
inspect <expression>
9 \$ W2 b& z6 l, { when <constant_list> then
5 E3 @9 i5 s1 O2 c; V1 V R <statement sequence1>;) `4 ?( F5 ]+ P& D
when <constant_list> then$ z; @- k3 t5 O* H
<statement sequence2>;3 [" |& p( e, {- f+ ~
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else" c& N* T, g! S
<statement sequence3>;5 p8 O' N2 A9 |
end;: Q6 B0 X- {0 N( ~" O
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2循环语句4 y% F% S. z- U3 Z& q3 t
(1) from <statement sequence1>+ Q3 p. s' z. U0 q
until <condition> loop* k9 o ]7 @" Y D. E
<statement sequence2>;
+ r& T" \+ I# D! M& U end;
: G+ g- @& n' J (2) while <condition> loop
. H; B& U' ~' y( V( W8 o3 t <statement sequence1>;
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(3) repeat
- y+ I# g6 X, ]1 i C; F \ <statement sequence1>;
' _& B; v+ A- K1 w* b \( t until <condition>;. f$ B6 H' `& ~: A" Q9 a" i7 N8 D
(4) for <condition> to <condition> loop
$ p& F- X& b1 Z: ^# o; W) S <statement sequence1>;9 Y# N+ F' m7 Z# |( |
next;
# p* p* _. Y6 A. t3中断语句- S5 d. D+ o# S# i4 f
waituntil <condition> prio <integer expression>;
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, Z) o* t4 `5 d以上为常用的函数！
! Z1 U& m4 ]) r* W, D( F0 b. `还有很多，如有需要我把资料发到你邮箱里
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