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发表于 2012-11-13 08:48:12
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1判断语句
2 n' w ?/ A& Y' g8 X. e. N, o$ ^ if <condition> then s2 X' O8 e4 q! ]& b' q
<statement sequence1>;5 [) ?- l7 u6 h0 r4 r
elseif <condition> then
/ @9 Y+ ]. D3 A1 X& j( Q <statement sequence2>;. [ ~6 q- W- y- b
else ' v, H8 j6 Q; K+ y: t
<statement sequence3>;+ p, E; F* Y/ C- s1 ^4 z
end;( Q1 q, w. I" c! E! x( D
如果分支比较多，用：; q5 B* D( n3 ^
inspect <expression>
) A) F% J# Q; j' t2 b( `! t% M when <constant_list> then1 A# G1 r2 n: Y4 i& N% j
<statement sequence1>;/ N9 F4 t3 ?: o6 Q
when <constant_list> then' S+ T7 a& Z n1 F- q4 V, n1 p; e' z
<statement sequence2>;9 R2 \% d) C: C G. N
...6 d0 T: g3 U9 w
else9 c% c' n8 [ s3 m4 [5 Z# M* Z
<statement sequence3>;5 y2 k8 ?5 }5 \: i! U
end;; E2 y% u# t- L) [* @
, \( h k0 [* G/ v2循环语句
0 b3 P1 n6 t/ O5 E+ t% ? (1) from <statement sequence1> S4 b: Q/ T/ v( ]4 m* B9 z
until <condition> loop: g2 R& F9 i& x3 ^) F4 f4 a" h
<statement sequence2>;
7 ]3 s. l% T# M% e end;/ J, k) C3 S6 Z7 }: k8 o4 G
(2) while <condition> loop0 k- _: Y) p* m L9 O
<statement sequence1>;
% d) {6 }6 q7 E; d: b+ }% Z end;) ?+ z* l/ @& L+ D
(3) repeat - x! k+ M) ^ D2 {7 ?
<statement sequence1>;
& L ~5 {: L, C$ @ until <condition>;
& m" B% k; y0 r0 y) d" I. G; C (4) for <condition> to <condition> loop
5 m9 h) a5 W$ ]# C3 D: p$ e! C! R4 | <statement sequence1>;/ T/ b, Z0 o# F: c, A# ^
next;
& ]3 I4 G/ V! k6 i b3中断语句
( n. Z9 Q2 L9 F6 f& U6 S waituntil <condition> prio <integer expression>;+ Q1 D& H( W* i. U% h) W. d
# I2 I4 N. N% U6 Z$ M' z
& I, d. ]' N1 Q8 A+ A" A以上为常用的函数！( G0 N2 x; @- @$ F8 N" K
还有很多，如有需要我把资料发到你邮箱里
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