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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4 {2 G7 X" F, ^6 S9 x+ I0 ]
if <condition> then
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4 p& c6 Y- P+ F- d' K; m elseif <condition> then7 b* P3 Y" \$ z2 D+ i0 ~4 N- O
<statement sequence2>;3 ~* ~. L7 b' x6 @$ S
else & i, i8 S" n E1 t" X
<statement sequence3>;
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如果分支比较多，用：5 F' k* G& M/ @& m. Z$ i _, v
inspect <expression>
2 E1 a J0 l+ c. ? when <constant_list> then# D, g* p/ C5 \+ c( k) Q
<statement sequence1>;
! w4 s( G' L" e! v when <constant_list> then
4 m5 y3 ^/ B# ^- k: o, H <statement sequence2>;
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else3 P+ ^6 r" F7 R) m
<statement sequence3>;: P# ^$ I9 w5 w" X$ p7 N/ j- g* f
end;
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2循环语句
' _0 { z+ E0 i/ t4 E (1) from <statement sequence1>2 k* p9 @: b% h- m" _
until <condition> loop
- u, ~: W& i% H, H6 \ <statement sequence2>;
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(2) while <condition> loop
! ?+ ]- @9 q8 G0 Z) H3 q8 ? <statement sequence1>;
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(3) repeat
* m, ]/ y: Z$ D& W. z <statement sequence1>;' p' O, f& i. n( L# G! p
until <condition>;
9 `" ~6 v: g3 q: s& C; l (4) for <condition> to <condition> loop7 R/ ?4 I0 x S
<statement sequence1>;- X/ ?$ V/ h4 z" i8 s' S' W" f
next;8 x# E( N; [5 t
3中断语句
" S' Z" |9 c4 e; I( g8 [* k6 O waituntil <condition> prio <integer expression>;0 z9 i5 e( V& Q- z; a
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以上为常用的函数！9 v8 }; s. O. {$ J) a, k, D4 }
还有很多，如有需要我把资料发到你邮箱里
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