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发表于 2012-11-13 08:48:12
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1判断语句
1 a) r, x6 A- k: o. E if <condition> then
) Y* Y1 X! ^/ V/ O! U! y* ^* n <statement sequence1>;
- m+ d/ Z- x% m/ d; S elseif <condition> then4 y. b4 @0 w6 o# D
<statement sequence2>;, R# q( v6 X$ O8 J
else
: j( J4 n# u$ o <statement sequence3>;$ ], B2 q4 s2 F5 u9 } x
end;
/ z4 h6 q4 s- L8 ^如果分支比较多，用：1 B( r/ t5 I w8 N' j- `# e% }
inspect <expression>. C" R8 C `* E) u" M
when <constant_list> then, n+ g4 F* e/ P' b0 i7 P
<statement sequence1>;3 p7 s/ T! v8 l, {1 C
when <constant_list> then
# \" q9 g( L9 H8 U/ L; }4 k) G <statement sequence2>;
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else
- U# J2 ^$ s3 O1 Q <statement sequence3>;
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2循环语句
) o1 v8 q+ E- `1 |/ T% z (1) from <statement sequence1>. U1 J- a7 D/ ^ M. t- B2 s1 M& u
until <condition> loop3 _+ A5 x! z; k6 a
<statement sequence2>;
: ~, f1 y* g' G/ R* i" ~( p$ d" }% e( n end;' s: [, }. a" D3 A+ y( u0 n
(2) while <condition> loop
3 p6 o) x# A3 a) T5 r8 ^6 i0 k5 a <statement sequence1>;
: X( \0 U( W& Y) ^3 A, _/ \ q end;( L4 w* Q5 F% q
(3) repeat # O6 P+ Q, x1 |- @8 L
<statement sequence1>;+ i+ V% C ~, @- g2 d/ t
until <condition>;
3 N a; Y4 g0 A& k7 a (4) for <condition> to <condition> loop
7 x& p g: ^8 F& G <statement sequence1>;
. i6 k% X: v% a3 p1 E next;4 T- j5 A, t6 }1 ^
3中断语句) r2 [: l7 R1 g9 ~6 e
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
* X8 M# _. }. x8 R' l9 j# J还有很多，如有需要我把资料发到你邮箱里
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