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发表于 2012-11-13 08:48:12
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1判断语句
1 V: M' M) c7 ^5 ^ if <condition> then
9 u" q( d9 t, ^! {7 Y. S0 x, U2 {3 n2 X <statement sequence1>;) F' K# Y2 B1 g5 e* z
elseif <condition> then* R6 G" ^! p, O& ~" S- H
<statement sequence2>;
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<statement sequence3>;5 C Q6 t/ t% a/ |
end;
' [7 M% h" C6 z! |如果分支比较多，用：
8 Z! J& X" `% T9 t# F( G inspect <expression>
4 l# b3 ?7 ~, d: ` P when <constant_list> then
' J6 G3 p- m( X8 | <statement sequence1>;# C* `; W0 B( r' V
when <constant_list> then
1 ?0 P, I [! g( R7 K3 C <statement sequence2>;
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else' R J" x+ w/ G/ ~" v
<statement sequence3>;
5 u7 w6 X0 i' ^/ x9 o# W2 L' Lend;, F# C6 z5 z% \
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2循环语句" t5 N% X% I. T8 K! ? k/ ?+ \
(1) from <statement sequence1>
8 h" Y" ^9 z7 x until <condition> loop$ W* X' A f# K2 r
<statement sequence2>;& Z: L1 n* i4 T' D- |; k
end;
' D$ v- t4 [1 z5 s (2) while <condition> loop
, y" w/ o9 ^/ v0 a9 n <statement sequence1>;
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(3) repeat 9 D- |/ k4 O$ ?
<statement sequence1>;
o7 h7 i' |( s% R until <condition>;
' z: E6 q; P- M% E. U (4) for <condition> to <condition> loop
- V$ I$ J5 t) e) Z" Y7 T <statement sequence1>;
) o% J3 C& p9 c# _! c& N4 ? next;
; P- H: C) |; }9 C9 s# K3 n" R% B3中断语句
6 K1 }: u5 T& T5 b( r8 U$ M waituntil <condition> prio <integer expression>;
, b5 ], }: H* @6 p# C7 ?
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以上为常用的函数！8 Y9 y) t! H# t4 h% T& |% r
还有很多，如有需要我把资料发到你邮箱里
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