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发表于 2012-11-13 08:48:12
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1判断语句' G6 M4 O! D! u- ^" N
if <condition> then3 t# E0 {; \ d Q2 h* \
<statement sequence1>;
! n0 @" h" Q/ D) `" W2 d8 \ elseif <condition> then
% M. s9 n, i/ S. Y' m; @: K <statement sequence2>;
3 f" k6 L; f, n E7 q& z& q else
* k8 ?) O( d- o% @# k <statement sequence3>;
5 Y# p( u, q# ^- y end;( I; q) g, p& ^1 F! m* _# Y
如果分支比较多，用：
( x2 s4 F: R7 x* a2 C inspect <expression>" `6 k6 ]! t) Q$ Q# F: v
when <constant_list> then- J8 [" p6 Q: u' l
<statement sequence1>;& g; I3 `, X; f/ M! ?
when <constant_list> then; O" p, w7 F9 Q! q" q
<statement sequence2>;
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else
+ U `: j/ X% Q5 r" T <statement sequence3>;1 \+ f- R8 x1 ]: w
end;* Q' k$ v% n' ~2 N' j
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2循环语句
0 [! m4 N" O0 J) }- n7 y (1) from <statement sequence1>
0 c" n) u+ U4 \ until <condition> loop
! I# [: p2 A' Y% G; H- W' ? z9 | <statement sequence2>;1 F( y' `5 Z; d" T
end;7 S1 f5 `' I6 {, s$ X' B! m2 n4 J
(2) while <condition> loop3 N3 a) w/ `! f+ m
<statement sequence1>;
. }% X* M' @0 ] end;' w. E3 t. O% l+ A$ j3 ~
(3) repeat / A; G; g3 l/ {# m- A
<statement sequence1>;/ W5 s, }0 M6 Z+ j4 d
until <condition>; q* {2 @) M- S4 Z; @+ v3 M
(4) for <condition> to <condition> loop1 z) D4 u. F$ g. a# v
<statement sequence1>;
) t: X5 ?1 K8 G, k6 V* N$ u% D3 N next;
2 |1 ~) [5 q% N7 I6 y+ x, M3中断语句
, Y+ D; a! V" m waituntil <condition> prio <integer expression>;: @: }1 ?: i: i& q, y' l$ H1 @
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以上为常用的函数！4 J% h# w! {4 }1 ]+ H, W
还有很多，如有需要我把资料发到你邮箱里
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