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发表于 2012-11-13 08:48:12
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1判断语句
- s+ t, q; h) @% M% d; Z; q if <condition> then% @0 s" E6 S; V
<statement sequence1>;
5 ~- t. v J" B) B+ v elseif <condition> then8 |3 h5 i9 B; g$ c2 W, V9 ~
<statement sequence2>;
- \9 h" b* J5 s" L8 H5 Y else 7 h9 F2 z1 h7 U# t# E
<statement sequence3>;
8 }4 h. M7 c4 v i) P end;
) u# @; e ?+ A2 L如果分支比较多，用：+ ]8 o; ~1 p) ?' L
inspect <expression>+ d! D/ I4 b" P7 y2 w/ J$ R; L
when <constant_list> then
5 r2 q5 r% |% {, \: y" c <statement sequence1>;
6 a) N2 x& E4 T: H when <constant_list> then! _/ }6 ?# x* i6 T* v
<statement sequence2>;
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else
5 q, N: w2 z6 r1 z: k9 ~5 W <statement sequence3>;8 b2 ?8 p- k1 B9 _+ w' F) H w
end;
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( _2 M- @1 F: r3 s3 H6 M2循环语句
9 U3 O! v* ^" q ?2 `- a (1) from <statement sequence1>7 }1 ?8 g: Z- y' q
until <condition> loop9 H0 O. [9 E# v) |3 b s* `5 H9 g
<statement sequence2>;# W0 n( c" m8 t/ i# L
end;
4 c& o2 w7 |5 Z. w+ v$ z: K (2) while <condition> loop: K. D. W4 N; G
<statement sequence1>;+ s2 ~& f: ?+ F6 {: @- {+ K
end;
/ d: U' p+ c4 U4 @0 f8 t (3) repeat + a% u4 S3 N; |+ [; ^
<statement sequence1>;) Z7 W9 a& I% C( ]3 p
until <condition>;
! w, t* ]* E, v! R; |+ j0 B4 R (4) for <condition> to <condition> loop
) e: ~" y$ B8 k5 r8 r3 G2 U <statement sequence1>;
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3中断语句/ O! A% O- y6 L8 K( D+ N# Z
waituntil <condition> prio <integer expression>;
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" @: b$ f9 a6 {6 G以上为常用的函数！
* f, ~0 a6 Y V; ~3 o8 l7 ~9 H还有很多，如有需要我把资料发到你邮箱里
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