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发表于 2012-11-13 08:48:12
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1判断语句
1 f; R- \( k1 Z+ a* p' W if <condition> then
5 k& v$ g5 p# }/ K <statement sequence1>;
6 Y+ S d' e1 K! L+ m( K1 ] elseif <condition> then
* ]+ [1 ~; B8 G% v X <statement sequence2>;
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<statement sequence3>;9 ~# s M; S$ L1 D4 L9 E4 T! Y# T
end;
& m% B" L6 k. @+ _如果分支比较多，用：
% b, A, s- \0 B inspect <expression>
: ~5 R. l( a0 W" `+ p1 L5 R when <constant_list> then/ ^# v) J8 {$ e! ~0 o# h) d
<statement sequence1>; z2 e7 u0 t3 x2 R7 P, w* O4 |
when <constant_list> then
0 {; p+ ?: G3 Y <statement sequence2>;0 \5 N' r( Q! W; j
...7 D* W5 E0 z* w
else2 y3 h2 r/ R- D# h" }% R5 F
<statement sequence3>;
: Z3 A: v' k+ T, b% b0 K/ rend;
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2循环语句
- t% n# [( M' A2 U (1) from <statement sequence1>5 ]$ E3 E1 p& }. p6 h* M
until <condition> loop
' j; Y5 f" e* O+ S- Y! I$ w <statement sequence2>; W& N( r, U5 g
end;
/ H$ d# }4 A( D( T (2) while <condition> loop6 P7 s b. f: E! P: V
<statement sequence1>;9 A) @; q0 _ U8 Q, D
end;! Q3 R' I8 X: v' Y1 ~# O
(3) repeat 7 \% w# E6 R6 `6 m- y
<statement sequence1>;/ `+ X4 }% E7 }& F
until <condition>;* S% P1 L4 U4 s) n" E* @: s, |
(4) for <condition> to <condition> loop
; Q1 |: A0 {/ r$ n3 M; g <statement sequence1>;8 o- U6 Y0 q6 u+ m# S. y+ x5 v
next;
! f( o& Y: V; ]3中断语句, v+ o, F* d8 l9 H) ]# T
waituntil <condition> prio <integer expression>;
% o1 e7 w$ W! u( k l# z, Y: ^! a1 W5 u( \9 t5 A
3 W/ e9 ]$ T, G c Z0 B
以上为常用的函数！
) f0 m' {- U/ I/ @: x9 @" e还有很多，如有需要我把资料发到你邮箱里
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