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发表于 2012-11-13 08:48:12
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1判断语句
' T, U6 a+ Q' N% X3 _- z1 G if <condition> then: \; j) Z+ ?8 J8 y4 a6 G
<statement sequence1>;+ J H- h% m/ z! z; t
elseif <condition> then/ P9 ?- j# a" I* g! N2 s! p
<statement sequence2>;
2 K/ q! Q. I! l5 @" m else
5 |# {" `2 @* w& O& b' J <statement sequence3>;4 W; ^1 l( W( a4 X
end;
& j; a( {; e8 V* M+ O) K( G& p如果分支比较多，用：
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when <constant_list> then3 J7 R6 l) P$ K
<statement sequence1>;- I: }, s3 t' {; w5 P" d' p
when <constant_list> then! Q) {4 _0 G# T$ a1 Z
<statement sequence2>;
$ q8 T1 V0 P* d7 ^) Q ...
& ?9 Z! @& K" t& N) r+ N0 a else) P: W! s E* { p1 \) J
<statement sequence3>;) c6 K' Y4 \! ]5 W
end;/ G" L# k% r! N f& u p r" `" V
/ r8 T2 F% K6 }* r! b" b4 A2 K2循环语句
; q- `, s6 u9 I2 z+ d2 v } (1) from <statement sequence1>
# o2 Y3 C( }2 t+ V6 ^. G- Q: R8 L until <condition> loop' I; }; Y* y1 p/ W( ]( O4 D
<statement sequence2>;, q8 G) g. |1 i. O8 r
end;, `9 h1 x* `- T) J4 t, {
(2) while <condition> loop: Y4 i5 S" v6 |2 c
<statement sequence1>;
b2 T1 b7 ?" ]- F end; w; r/ @) v7 o1 A1 |
(3) repeat 3 r3 e: [1 E5 u3 {3 a, \* k
<statement sequence1>;' k# p; ]" Q/ w% c- S2 ]0 U0 A
until <condition>;0 [4 C }0 R8 U4 @
(4) for <condition> to <condition> loop1 y# B' G* v; F5 ?/ l9 S: h
<statement sequence1>;
8 Z4 g' ^) |, n) Q9 L next;' R/ n* q2 ~( t; Y" R
3中断语句0 ]5 s. O3 c6 e+ e; j4 W u6 s0 K
waituntil <condition> prio <integer expression>;
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以上为常用的函数！1 @( m2 ~0 o1 n4 q0 F
还有很多，如有需要我把资料发到你邮箱里
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