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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
( f# r- G( m) w if <condition> then6 E! y4 z/ p/ _5 X# M5 o4 T. O3 [
<statement sequence1>;
, P8 }6 o5 ~7 k9 B0 v9 y" O elseif <condition> then
+ J$ A' k" h d! R% h" D4 A3 K <statement sequence2>;: w+ ]! l+ W; w3 g* s
else
# k8 r9 r! A' w* |6 Q: H <statement sequence3>;: _' a( K, {# t0 W
end;
9 S+ k' `) w* B4 {如果分支比较多，用：; x; Y& Z, A+ \
inspect <expression>
- ]2 Z5 [' W0 Q9 b2 [6 L6 ~ when <constant_list> then
7 Z5 u! O5 o) M9 {) ^ <statement sequence1>;9 S3 s4 d% g2 n' S2 w! N" E5 \
when <constant_list> then
7 s& F9 j* ]3 Y4 q# V6 k <statement sequence2>;
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else
3 C+ C! x' ^! B! w <statement sequence3>;' f% [5 O% Q7 H
end;) f6 I, Y! Z5 I4 y
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2循环语句
. r! j- U( U$ h1 z6 S3 d; x (1) from <statement sequence1>
& d; B: E }3 X8 w until <condition> loop
) a; q3 A! k0 W- ~$ E! P- @ <statement sequence2>;0 w% [9 v) P) R9 I9 [8 J& E
end;
5 P3 z0 ~2 q2 ?1 O! a (2) while <condition> loop
: d0 C' m3 U+ @5 f <statement sequence1>;2 i v- g- ~9 o/ @9 J
end;
& a6 Z1 K# W* \ O (3) repeat
1 q- [$ H" e8 B; s( @/ m4 \* x4 x <statement sequence1>;& f3 q7 O" r: [! u! f6 `+ R5 P3 t
until <condition>;
, R R! O# M! T* j. s (4) for <condition> to <condition> loop8 [5 h. O& T. w: C+ t2 \
<statement sequence1>;6 {* M2 T9 m9 x
next;
3 a! ^5 z) D( ]3中断语句& X! z) i6 ~3 e/ @+ `, e5 E
waituntil <condition> prio <integer expression>;$ j1 g, }. h% u% p( F! c- I
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! O( u5 F! t; y; `1 p" R5 P' `$ z* R以上为常用的函数！
8 p7 H! q3 C' u% L0 D+ U还有很多，如有需要我把资料发到你邮箱里 8 G7 l; r8 A2 R" ]' q' g8 R
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