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发表于 2012-11-13 08:48:12
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1判断语句) `5 K& _6 O3 j* z
if <condition> then; g: T% Q" s% n9 m9 Q0 ?5 Q& ]
<statement sequence1>;5 B* e: K/ t/ Z" R
elseif <condition> then/ } y. e8 i8 M+ l h
<statement sequence2>;/ t" W$ F: Z: P2 g/ B
else
8 o" @$ D* ]) W8 ^9 p8 r <statement sequence3>;# R9 C" A+ c$ K- O2 M8 v
end;
5 ^/ J2 z0 i; q如果分支比较多，用：; L7 j' ~" K/ Z) x! l8 h; P
inspect <expression>% M8 }, z, d9 w* k" |& ?
when <constant_list> then7 h0 z+ z7 A; n
<statement sequence1>;* T! e b& L. ]6 T
when <constant_list> then# G. H. O: Y( N' Z* `
<statement sequence2>;
, g' y0 q! D6 Y' `8 b! o: T3 i ...
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<statement sequence3>;
+ Z4 |; j4 {) E+ E2 ]. b! l, @end;
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2循环语句
) k/ l) n- a1 \ (1) from <statement sequence1>
7 V) i& x; p+ e4 X until <condition> loop8 J" X4 o2 c; V( H% s& P4 W
<statement sequence2>;9 q4 O/ S/ q. \: w" Y
end;
' b: H) z5 T- H5 P (2) while <condition> loop4 v U! I5 r% m$ A2 D
<statement sequence1>;) |0 t/ p7 }3 g7 m: s# W$ C2 ]
end;
' G1 t5 i* U2 Y9 M/ \1 t; R1 E8 W (3) repeat
$ q) y5 x* h% _ <statement sequence1>;
3 V" {2 h- @+ M% r. n until <condition>;
$ e7 }" c! ~% Y5 I8 h (4) for <condition> to <condition> loop
4 c/ u0 ?& a0 c" d4 r <statement sequence1>;
2 x& E" R- u4 G2 h& |5 }% W next;
: o2 {: [6 t3 z9 s0 Z# F' t7 a3中断语句
1 s* F" `5 z) ]2 w$ R$ w waituntil <condition> prio <integer expression>;
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! H9 J+ {- r' K6 ?. D$ G; H以上为常用的函数！! c. T+ x8 t: ~( e/ V. Q6 F; O
还有很多，如有需要我把资料发到你邮箱里 + n, Z# g5 D/ x4 W
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