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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
, Q% L# }& F2 j6 Y if <condition> then, C w6 E4 j3 \+ _
<statement sequence1>;
' d" i% f6 n+ P' h9 s2 J elseif <condition> then
/ f1 W& T. z' O <statement sequence2>;1 U7 H7 S' c6 h- Z. \( }
else ' A C; _/ m; j1 w- S2 ~4 J, l0 `
<statement sequence3>;- d6 f3 f5 Q! B8 R3 ?6 e
end;7 x- L* R' b0 Z/ n$ H( f
如果分支比较多，用：
. }. m# ?2 M2 q4 @: d! I inspect <expression>' d8 R7 ]8 n/ v; I8 M
when <constant_list> then8 Q' g9 ]1 F3 u4 p$ e/ M
<statement sequence1>;
+ t3 n! G5 ?0 Z" a0 z3 I. }+ L when <constant_list> then
7 }, t P0 R( w9 O <statement sequence2>;
+ J! T! c& u8 u1 ~- q ...
* [1 z6 [6 u) K else4 E0 y' v d2 R* A# V
<statement sequence3>;2 W" d3 P1 p* p
end;2 s% ~: A* B, h9 ]8 i2 p4 d
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2循环语句
2 z& \* r3 l3 T. |4 [/ R' X5 z (1) from <statement sequence1>4 F$ X1 `) `. R! B. u! p
until <condition> loop
1 k& _. \7 V2 k& Y <statement sequence2>;: A- `; T9 I: n7 h% V6 P5 H
end;
|9 |, J% y! d- u( ]- l (2) while <condition> loop
+ W1 a, d( j f6 a <statement sequence1>;
. e4 h7 p1 b% n2 W2 M* p# k end;0 l. @2 Z( d* }( `! |* r
(3) repeat
* u: S3 r1 k& ~6 { <statement sequence1>;! A0 @1 E( a; q! p1 y: n) e
until <condition>;+ r8 ~. _4 K0 w J8 o
(4) for <condition> to <condition> loop; {: Q) }3 u: N _
<statement sequence1>;' a5 M4 u& I& S/ S& b" k4 F+ i; U
next;9 H+ F' b* E& m& Z$ S
3中断语句, `# r% V+ J0 N6 h
waituntil <condition> prio <integer expression>;+ p$ V; L% j; X" x( K8 y8 N
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8 ^) d- r$ E& c' ]1 G9 [* `" |以上为常用的函数！
# E4 X7 X4 E) V8 o! c# {- F还有很多，如有需要我把资料发到你邮箱里
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