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发表于 2012-11-13 08:48:12
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1判断语句
% B8 j2 V5 k1 e4 m; D if <condition> then
/ @4 [7 r( P, X7 k# r$ j3 l' G) c <statement sequence1>;. c7 a6 S5 w5 G3 i# e( y6 k
elseif <condition> then& M0 n3 F, b; ~& \, B
<statement sequence2>;
1 ~$ V! b9 e' B) Z+ |/ g else
/ ~$ W; X2 M8 B) J# b: k# ~ <statement sequence3>;
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如果分支比较多，用：
- g( H- k' J6 j inspect <expression>: C2 B; H9 i9 L Y* v8 Q- J
when <constant_list> then. y s; i& H; \8 Z! v: {
<statement sequence1>;; X7 ~* [4 c5 Z
when <constant_list> then
+ M- A7 }1 y( q4 ^ <statement sequence2>;
2 j- o$ l7 Q$ v) r" j ...
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<statement sequence3>;8 V& ?$ q# x, I2 k7 s% Q" T: r! E
end;
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2循环语句. {& n9 b$ @2 t9 L' s
(1) from <statement sequence1>
( A- W( r( ~: F/ O! U( }9 f* a" @ until <condition> loop
, T ? O) h3 m* p5 ` <statement sequence2>;
! w7 @, T0 ]1 a! d end;
0 P( }: z1 e O* x (2) while <condition> loop2 Y* H6 ^% u( z' Z$ \- f F* F0 r
<statement sequence1>;1 G" V' y5 L( o) }1 F
end;
/ y6 c# _8 Q7 b' U (3) repeat - j( i# }3 p# f& }
<statement sequence1>;
: B9 g, B$ V- [ until <condition>;7 R2 j8 u5 p# M6 X, F3 h
(4) for <condition> to <condition> loop4 \& x' I* H4 |
<statement sequence1>;
. }3 H' S8 f& a; x1 x0 _- d next;; E$ _+ @8 }8 ]
3中断语句4 s% k5 r/ [% |" }$ Z+ d$ a* o
waituntil <condition> prio <integer expression>; W! W! c; E. `/ o7 U3 e5 Z7 @% M
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以上为常用的函数！" D# L' `7 |# K" T& P1 x
还有很多，如有需要我把资料发到你邮箱里 ! b% _8 ^, c: b1 o. a6 K G
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