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发表于 2012-11-13 08:48:12
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1判断语句6 v3 H8 ?: }" N1 s* W
if <condition> then
3 a% z3 k6 u2 _ W% y$ A7 b+ @! M5 I <statement sequence1>;/ O; B4 F0 J* k: S
elseif <condition> then
9 t' E, ]' \3 i3 _# j/ K$ | <statement sequence2>;
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<statement sequence3>;8 t/ v4 l( [0 I% v A+ C" f& J
end;5 Q8 V: _. U" |- c
如果分支比较多，用：6 j7 I- f1 x5 p) y6 W* b
inspect <expression>
& m% s0 ?! i* u/ _$ L. B when <constant_list> then# b/ B' c1 z7 w: i, N* i G' e
<statement sequence1>;
7 t" C, @) o0 U( S3 z when <constant_list> then4 ~0 D: s% o! h- H' ~
<statement sequence2>;
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else
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end;8 d ]# w% m2 c: w' B
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2循环语句
' Q+ \4 P- l# ^. d (1) from <statement sequence1>6 Y0 h; Z% P. r* O
until <condition> loop
' _/ i1 J6 U c0 [ <statement sequence2>;$ U2 \% H* c' g" f( q
end;7 B/ \! Q2 j* n" F' [" y6 k3 Q
(2) while <condition> loop
3 \; U$ ^) S( u8 s, {. Q: R <statement sequence1>;
. j0 ^. N2 O4 O: m$ ?/ I end;2 Y" ?2 m1 o) m, m! S
(3) repeat
/ Y7 P5 g- u; t <statement sequence1>;% ? I; N5 `& {! Z4 O, Q2 L' s
until <condition>;7 M& ?# j. ^; i+ `4 o$ Y) S
(4) for <condition> to <condition> loop
, q2 e0 U7 r, }2 u6 H" Z <statement sequence1>;& [1 a/ ?$ J, f( M
next;" J, f" x% B0 v* s* D" l8 i) T4 D! z
3中断语句: N9 d& s. z. \; E4 S2 {. f5 s) E% u
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# z4 z9 P/ M* R9 h' @6 o% I" c8 Q1 J
还有很多，如有需要我把资料发到你邮箱里 # u* H" C/ D2 ?- ^7 F1 N6 g) {1 | W
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