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发表于 2012-11-13 08:48:12
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1判断语句
7 _% L7 U) l/ N9 r$ _ E; @) m if <condition> then7 S. [' e+ Q3 B
<statement sequence1>;/ q; `- h0 {6 u( A) t# K3 C
elseif <condition> then' v6 |& ]# V* W* F/ E' O
<statement sequence2>;
1 U' G1 v) W3 X# v: T1 p3 v* H else
8 ~$ L& S; F: i4 G! X; K0 t <statement sequence3>;
: `. R% j1 ?/ i& c% D7 a end;
; P9 `- j0 N# C8 a$ r如果分支比较多，用：7 m; L" x8 ?+ v t
inspect <expression>7 h) W8 u: ]; p) S2 V
when <constant_list> then
& r0 M! F8 r7 } <statement sequence1>;
e! q U* E3 J" k% _, m9 C2 F when <constant_list> then
$ t3 }. K, m5 p! B% O8 u <statement sequence2>; o7 n7 x: `4 Y
...0 P# }. n2 D# k' U \
else8 |9 C. ?) G% X( ? N
<statement sequence3>;
. p# Z$ E% F @2 A, yend;
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2循环语句
3 T {! u& [& }8 X% t, K1 e (1) from <statement sequence1>
: K Y8 K u5 W5 \* @ until <condition> loop
0 U3 ^9 y/ v1 `' g7 Q( [3 p <statement sequence2>;
/ q" {7 G# i7 @5 i+ m end;+ Y$ H" U+ B5 c' N/ X6 U6 B
(2) while <condition> loop
) w9 }/ q8 E2 B0 J8 g <statement sequence1>;
2 A3 \4 C" d# B1 B/ F, S- j end;3 o9 _4 @( P' X! L) L" E
(3) repeat & [( [% O1 Y- _# `; U$ Q
<statement sequence1>;
, C8 e, u0 z/ F" ] until <condition>;
- ], I$ M0 d) w, A3 L# R7 r (4) for <condition> to <condition> loop, n6 Z6 j+ H( c, N6 w
<statement sequence1>;
% ^6 a+ C4 u5 @2 S+ I# p' F' K5 Q next;" e6 b2 Y4 E3 R9 Q! }6 B3 Y8 C
3中断语句
. c, p; g! N& } waituntil <condition> prio <integer expression>;
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( f" S1 j6 i# R% X; N3 z以上为常用的函数！ |4 u& Z0 v9 A# H% ^& ~" w4 J
还有很多，如有需要我把资料发到你邮箱里 , ]' \ X0 D3 X/ b% w+ O
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