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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
3 g/ R: _1 C! M; n, p0 r if <condition> then' V$ O( v$ s. V" P1 Q) D
<statement sequence1>;
4 }3 c* N' e( j6 S, ?% ~' Y elseif <condition> then" b7 M" S9 N2 h1 k
<statement sequence2>;
, E' C( x6 U$ b" V: }. S5 S else 3 q4 m4 k4 ]: I( r
<statement sequence3>;: Z9 S, V; \5 h+ X- B4 x r
end;
* n, z4 R5 L* q9 y: V9 g如果分支比较多，用：; Z. |+ `; {1 F3 Z2 u
inspect <expression>
$ p: A+ w4 b1 B+ B& P7 p* n when <constant_list> then
% |: Y1 ^) `) l, G3 E# ^ <statement sequence1>;
7 b( v$ T5 Q6 b+ v; I when <constant_list> then v0 }& D, |0 ]0 G% g2 D
<statement sequence2>;$ w( W+ _0 {6 F& v, X' i% K
...
" Q8 I* R$ N* X7 m7 u; H, v else
* @4 \0 e: m' ?5 r* ]" R6 G% X <statement sequence3>;
' Y) h7 I6 p4 oend;
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2循环语句
6 M! N/ c+ D1 k! X1 ]. @8 L# M (1) from <statement sequence1>8 v# i+ m, a; V6 u6 U
until <condition> loop, C: u0 u' I9 T$ V L9 ~
<statement sequence2>;3 F6 W, Z1 e8 u" E+ {: J
end;
$ M1 B0 o/ I- w+ z (2) while <condition> loop" C8 ]" d) T, d, `2 D
<statement sequence1>;) A# ?9 P) g! o/ }
end;; J8 F2 f) z9 S5 V
(3) repeat
( y" k" T( z# Q: k <statement sequence1>;- D- [2 { ~ D# i' K
until <condition>;8 ?/ C/ J" V) p: L. l6 b
(4) for <condition> to <condition> loop
6 ]5 A7 @" v$ S0 z) @3 ~; \) o2 d <statement sequence1>;' C, m6 U( u/ K1 f
next;
7 z! }+ t# T- ?6 h. L3中断语句: Y$ n4 K( d4 a# q8 x( Z9 R' Y
waituntil <condition> prio <integer expression>;
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以上为常用的函数！5 r8 \6 \( Y) y& L$ i
还有很多，如有需要我把资料发到你邮箱里 7 y- O, R5 f) h+ ^# v
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