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发表于 2012-11-13 08:48:12
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1判断语句
8 V- `. g' f1 ?3 K if <condition> then. {' X5 i: z4 f- Z: n9 V# t
<statement sequence1>;
2 O6 j' Y( m6 g: G elseif <condition> then
" B; g @: d _ Z' z% i4 h1 ] <statement sequence2>;# G. Q: X* `1 `! u$ b* n6 N
else $ V/ y, g6 x# p$ L; }3 h
<statement sequence3>;
! d/ ^' J0 L: b) w1 f end;
* G+ }0 F' m' G8 W) V如果分支比较多，用：
/ O$ Y* J8 ^& |& q inspect <expression>
% I: a7 s5 y* Z0 v. b9 G2 `* X# o# u when <constant_list> then7 C+ B+ p# S4 W" x9 h
<statement sequence1>;
9 H% a* M9 E) a% f# f5 @9 e; L. W when <constant_list> then j* ?# g9 u& g: b( @% Y8 A' O
<statement sequence2>;1 y3 @( P! t( ^0 D
...
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<statement sequence3>;( ]' }! A8 c+ C# g6 L, N5 L
end;
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4 ]6 Z- N: L) d2循环语句
9 R- ?- A, b* b* K" s, F/ W (1) from <statement sequence1>
+ f. |* r9 n5 p* A+ |% ~+ \8 T: U# { until <condition> loop+ }$ z/ H7 H1 }, l
<statement sequence2>;. N+ R6 k% N1 C( ~9 L* ]
end;
% x6 G9 ~6 o/ j5 ^; m& b6 j (2) while <condition> loop% D$ K' o" }; P0 `2 q
<statement sequence1>;3 g1 T, f8 \: G, H. W
end;/ a2 h8 s7 i; V& ^" a7 e
(3) repeat
. L8 h# S" d6 F5 D9 \% O <statement sequence1>;. s1 T' ?7 V0 E% A
until <condition>;
$ c4 ^3 S5 L- l0 p& l8 h% h- ~% d `1 \+ \) o (4) for <condition> to <condition> loop8 w. h( ^. @( u5 E
<statement sequence1>;
4 g& g6 ~. h4 W) @, K next;
( ?0 D& a2 Y7 Z& e2 Y4 W3中断语句4 Q. p) E( z( c, Q) v
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
9 {8 A1 a6 T+ {' d6 f( W; e还有很多，如有需要我把资料发到你邮箱里
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