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发表于 2012-11-13 08:48:12
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1判断语句
. C/ t0 K3 \* K9 S" i/ c if <condition> then/ ]4 b! x! g% q0 P; _
<statement sequence1>;9 X2 ]) @( W! k0 `7 N
elseif <condition> then
# O# Z9 f/ ?* Y1 v4 k <statement sequence2>;6 N+ @; b* Z: E
else " Y1 }8 _& l7 V0 D7 O5 C( [
<statement sequence3>;
+ T( L" E. w3 W1 @1 ]9 ? end;
' U! B+ {9 A0 l: t; y4 E如果分支比较多，用：" a ]% `# ~' }7 B+ y& }( [6 R3 S t
inspect <expression>+ j5 z% q4 `* |
when <constant_list> then
4 O8 K+ R7 a z) E. J <statement sequence1>;/ _# c* r3 q H: W# `5 D& p
when <constant_list> then
. r) D% x* b$ j7 W2 y$ n <statement sequence2>;# P; r: r& {8 N r' C: d
...- K! U2 ~" K1 m
else( F. N+ o9 j9 i# t( O. o
<statement sequence3>;4 M1 x. }! Q7 m
end;
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, H& i2 s9 v9 `: l1 {1 P% s- b! n2循环语句
+ G5 W* m& O2 ]) }9 B7 I& i (1) from <statement sequence1>
1 T4 O9 S) a1 Z8 w until <condition> loop; M7 m$ Q+ w0 a/ h/ I: Y1 V
<statement sequence2>;
' i: K4 V, Z" A, K5 g2 o' G6 P" s end;# r3 T, u0 K0 {9 Z2 I
(2) while <condition> loop$ t g3 _! G" X& Y
<statement sequence1>;
( t7 W" ~) W' ^ end;
+ a3 C, |- `$ A (3) repeat 8 E& \3 s( G; K0 w+ w8 D1 ^
<statement sequence1>;
: z8 G6 X# F# M) Q) Z until <condition>;
0 o1 ?" f5 U8 e+ \7 D1 H* i (4) for <condition> to <condition> loop
C0 T" ~# i# r5 i0 S! ^6 S <statement sequence1>;
/ {& Y; U1 c5 G2 x" D- E) s/ H next;# X/ U, i% B; }4 J0 e6 ^+ y! `
3中断语句 _* P5 T$ Q+ Q/ j. s; p \0 ~
waituntil <condition> prio <integer expression>;4 p; P5 T4 i& W
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以上为常用的函数！- R6 V& \$ S! E- O
还有很多，如有需要我把资料发到你邮箱里
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p, n6 ^, c6 n0 ^$ {- t/ v# m# l$ R
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