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发表于 2012-11-13 08:48:12
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1判断语句
/ u; B1 T- g H1 l N if <condition> then" u7 \- w- ?/ A, V. S: u( f
<statement sequence1>;
# t) P! b' [( M. D elseif <condition> then, b k5 b& t/ v
<statement sequence2>;
$ m! J( T: h3 [9 u0 X7 O' {0 s else
# q$ o3 y; o' C* d <statement sequence3>;5 u4 y9 r5 [) r& s
end;
" D6 t$ B, I& |1 `如果分支比较多，用：
+ j9 I7 e4 |$ O inspect <expression>
* U6 W- H0 u. r7 D# p5 O' ]" Y, N when <constant_list> then$ w6 \& X: S6 d& I- y9 Z6 t; b
<statement sequence1>;
2 z F i: M0 r8 A" D1 A2 I( a when <constant_list> then8 \( R2 y Q* Z$ L$ d+ S
<statement sequence2>;
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else+ L# X9 J' t( {, }
<statement sequence3>;
& d1 W) L/ J& `2 C1 V& m, mend;+ Y8 ~& |6 f w- \
1 x' y; _: b1 p! C+ S- J( y- D9 c2循环语句! Q) ]7 N' V: W9 ~, x7 u
(1) from <statement sequence1>, j8 p; I2 x, Z2 a2 ^$ J7 }
until <condition> loop
- k, u- J' ~4 \+ m* K <statement sequence2>;
+ z& P7 M2 i% V& Q1 J' q end;
9 u0 V# ]2 u3 N6 k5 B$ Y. o1 x3 c. U (2) while <condition> loop4 g: k' m( U" E }$ j4 T* @ V
<statement sequence1>;' m( p# p3 c& V( R- r
end;5 S) o8 @7 ^- S+ m
(3) repeat / C/ m J' D" Q% [6 N: k! A8 u
<statement sequence1>;6 q: b% `. f$ i0 K" Z, F
until <condition>;
$ t \* K( [- z2 E/ D8 p (4) for <condition> to <condition> loop; n* J% j9 j9 I& ]% `4 f
<statement sequence1>;
2 M; S4 e: S' s. B next;
# p, j* p$ F$ k# @5 `3中断语句3 n' @8 J4 G9 `+ Z$ E) `
waituntil <condition> prio <integer expression>;
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2 f% F! W% A6 Z5 S6 d, c以上为常用的函数！5 ~) O& t% y9 r5 x
还有很多，如有需要我把资料发到你邮箱里
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