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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
5 T( g3 x9 W7 Y: s) Q2 r if <condition> then
! _ S" |* `) W- L& I0 P* M <statement sequence1>;! ^ M/ {% N" h4 ^
elseif <condition> then
3 M. U5 |! Z# [ |2 S7 ^& j( i7 S3 y" R <statement sequence2>;
0 i# v) j( c# o8 F2 J& Q1 E8 F+ k else
7 b6 }! n" }7 C( [ r, Q( b <statement sequence3>;
# l+ [, G7 w) N4 r1 T* E' ] end;+ {$ X @/ }9 e& P1 D( O9 S. |! t
如果分支比较多，用：* ^; K& P3 }# ?3 h1 N4 v
inspect <expression>$ `, e6 i( u4 \$ C
when <constant_list> then4 S: V; T3 H2 D
<statement sequence1>;3 {8 b) R0 E+ `5 ]
when <constant_list> then
2 [$ Q0 U( v" Q' Y0 f: | <statement sequence2>;# Z2 | b! R0 u( E
...
8 w7 x$ |. |$ g else
1 R5 w- B' o/ h" l4 q <statement sequence3>;0 |* s+ k- ?9 r. f. c- r) D
end;
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2循环语句
- W- q3 N8 H! V1 j (1) from <statement sequence1>0 ]+ w, J6 z9 ^ f
until <condition> loop
7 x, I8 d* i6 h$ D* [8 w <statement sequence2>;) I. [3 D7 m& `
end;/ v) b. i# w# B
(2) while <condition> loop
; e1 v9 w D$ e" N0 f3 t1 z <statement sequence1>;
* B8 T: U; {/ u: `' J1 }2 [ end;
) @0 h& W8 E! z: O (3) repeat 0 M$ C" P* `4 |0 d3 F5 r
<statement sequence1>;1 e% s1 ^- {3 e
until <condition>;) ^5 b. i+ c' g
(4) for <condition> to <condition> loop
! g0 u! H; Q+ }! G9 _ <statement sequence1>;
" g( P% }1 H8 ]8 X' B+ `$ ~ next;
, Z' o! [" I G; o: C, C3中断语句% n5 N4 v, o1 L" Q, x% q( B
waituntil <condition> prio <integer expression>;
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' m- Y: W9 F) [% v" K, n. |以上为常用的函数！& E6 Y4 D7 ?' G# G# F- Y
还有很多，如有需要我把资料发到你邮箱里 . K7 H1 o& t u6 j% b0 w) ~5 m; C
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