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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
6 c; `2 b% w' R% b; k7 T if <condition> then
0 H' `/ t6 T! `+ S1 G <statement sequence1>;1 b" ^2 R6 A6 p+ f
elseif <condition> then
- J9 h" @# m% X, L6 a" m v8 w; }- ^ <statement sequence2>;* `& Y6 Q p9 P0 o
else 7 J" \4 B! f' ~: d9 Z; s3 ~
<statement sequence3>;
8 h& |1 b+ _! O1 [! V' q' X" i( Q0 E end;3 k: h. o ^. X0 W: D; o
如果分支比较多，用：8 y" \- O; B A
inspect <expression>
+ z) b$ X' p2 V when <constant_list> then
l4 Z3 x6 r* s( r: I <statement sequence1>;
& L2 o7 o9 Z7 e8 `# P, W4 }+ Q s. | when <constant_list> then5 `: o/ V4 B2 Y- J2 C
<statement sequence2>;
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else5 M# _. K, R w* ^: d2 k2 x- H) D
<statement sequence3>;
' K5 |5 @) ^. p+ d0 a' m* Uend;' Z" A0 n7 j: H+ } l( X0 V9 u
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2循环语句
6 M" n1 \& i5 | S (1) from <statement sequence1>4 U7 i/ O. Y7 |4 a9 h
until <condition> loop4 J8 X( m! }1 N, }! H
<statement sequence2>;! e/ E) G% a& b- z2 c3 E
end;0 o& S+ D8 h" V3 y* M9 n0 b
(2) while <condition> loop
$ }1 q; T) H. x- k <statement sequence1>;
0 C( D0 {' E8 B end;1 ?4 o3 X: O! [' q" o- v; n) \
(3) repeat
+ q9 r" a9 @" @- T <statement sequence1>;
" I! u9 b' f- p& l' B& | until <condition>;
: n2 h7 ]: g P (4) for <condition> to <condition> loop- Y0 h- a4 D+ T
<statement sequence1>;
- J. O" i- n3 \( D1 U next;9 t4 V9 j0 q9 D9 W
3中断语句
U+ |3 P8 g' ? waituntil <condition> prio <integer expression>;$ L9 P/ S4 z' k+ g( @( |
. u: X2 E( b2 g) K6 e
) Q$ N5 Z. g3 B6 S以上为常用的函数！
9 V' \7 v. [- C0 q6 Q' m3 I7 h6 q还有很多，如有需要我把资料发到你邮箱里 + c7 g( ]+ T) g$ W P b7 m6 a
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