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发表于 2012-11-13 08:48:12
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1判断语句. d' Y) U4 E8 b& V+ S W3 P6 M/ Q6 I9 t9 i
if <condition> then2 r0 A! m/ V5 _7 l9 {) D
<statement sequence1>;+ Y5 u2 W( E0 w* Y1 K, m
elseif <condition> then
8 [; U6 h0 R8 R7 { t <statement sequence2>;" T, t0 V5 B1 x* C" e
else 8 F$ p/ c9 r# T* h
<statement sequence3>;& R1 c4 S% z/ L. d: C: x. U" X
end;8 b/ |; k6 N3 D2 J) Y7 X9 j
如果分支比较多，用：- I% ?/ w) [6 i( E
inspect <expression>& u' C, @, G5 m K5 m5 i' U
when <constant_list> then6 ]7 ^5 D5 r$ r
<statement sequence1>;4 E: `) b) Q9 H" o) H2 p8 |
when <constant_list> then% _' [+ H% z! N+ h" K. ]. \0 g& u3 _
<statement sequence2>;
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else6 E# m7 n# {$ o' X
<statement sequence3>;, z" i. k- Z/ e' I, Y$ O* g3 a
end;
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6 z% I( c2 e$ R1 t$ g S2循环语句5 F$ l: i4 U! v1 Y) z
(1) from <statement sequence1>
/ P3 o) S8 g4 X& {3 y0 z% p U until <condition> loop
' _: j+ h( v& M <statement sequence2>;) V6 m @' p9 p3 a+ K
end;
+ _0 c* l; C8 V3 f/ d (2) while <condition> loop1 i& F; c. u( S; o9 |
<statement sequence1>;
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(3) repeat ( \# J" b! h. N+ J5 }& B
<statement sequence1>;9 Q" p' s; Z1 r* x( G% m
until <condition>;; A7 O. }: w+ r x$ q8 I
(4) for <condition> to <condition> loop
' k M# q9 G9 }2 E <statement sequence1>;0 D( V; F3 l+ i) C! u1 V6 r
next;. B$ u; M3 N, D2 w3 U
3中断语句$ F* E- P- K8 i% m) d r8 L* x# R i
waituntil <condition> prio <integer expression>;
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以上为常用的函数！( ^; J- e/ j t0 L
还有很多，如有需要我把资料发到你邮箱里
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