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发表于 2012-11-13 08:48:12
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1判断语句
6 N! O/ p4 @1 L' O+ ` if <condition> then2 ]2 F9 y) O. A7 A
<statement sequence1>;
. H" B# ~* O( Y. U- n elseif <condition> then
9 ]$ p9 O8 n S1 \& J <statement sequence2>;5 C! f# F! W6 a" a8 m
else + A( R/ [% l. N7 R. b5 U; m
<statement sequence3>;4 g' W' a" D1 L# R$ W
end;3 T0 p- z% |6 P, t, j
如果分支比较多，用：* r& Z3 @+ O1 Y0 U% d( V
inspect <expression>
# {# k/ f e9 F when <constant_list> then
7 g, b+ u' f" i( Y! ` <statement sequence1>;
, Q( r% O" b: j when <constant_list> then2 E2 i$ Q, H2 c7 O" B1 \9 o5 O
<statement sequence2>;
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else
5 R$ K# W$ N; u2 ^) l( C, ?5 u, } <statement sequence3>;
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) Z6 ~+ l, K* I$ g2循环语句
2 {8 w$ e4 Q9 o% a5 a$ ~6 m' N (1) from <statement sequence1>
6 j! Z! ^6 P4 r- w; Y% j until <condition> loop- ~1 [: I# E' k4 n: N& B( t
<statement sequence2>;4 b6 m/ Q) Q6 D! X5 Q
end;% D1 X9 l0 z1 S
(2) while <condition> loop9 f+ B$ |/ X$ J6 y' c
<statement sequence1>;
" p5 [4 \9 b [4 W% H# ] end;( H/ h4 v8 Q# m
(3) repeat / R" q' V7 C* Y G! h
<statement sequence1>;+ h! ~8 L+ E$ B8 v1 I0 M6 z
until <condition>;
7 D- e! M+ j" I" L6 C1 C% N (4) for <condition> to <condition> loop# `) T! y( C* p* A. W5 q" k: l6 V9 h, Z
<statement sequence1>;' K; Y, ]4 v7 E4 u4 @, ?: w
next;$ _1 `+ j; K: E3 D
3中断语句+ ~( l& f( P0 g+ ] u7 ]: D! ]
waituntil <condition> prio <integer expression>;
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以上为常用的函数！3 j9 i1 i& b! p) t
还有很多，如有需要我把资料发到你邮箱里 9 J. |9 v5 b" A2 u4 b. n6 [
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