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发表于 2012-11-13 08:48:12
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1判断语句) Z& M% a, v3 n1 H
if <condition> then
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elseif <condition> then
4 w; O( R9 Q$ c' M( V! N5 J <statement sequence2>;
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<statement sequence3>;+ y$ A! u0 c2 L1 ?
end;# V8 O- t" U& w# `" c: a
如果分支比较多，用：
|8 X. p- O5 z inspect <expression>) K7 P, p* [# i& d3 a2 @2 c
when <constant_list> then
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when <constant_list> then
+ @5 g$ C& K+ k% a/ `9 H2 ? <statement sequence2>;0 K9 W' @& r3 W& t
...
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<statement sequence3>;* Y' h5 c, F& ^# [5 J/ w9 P
end;. |1 j. w- @3 ~8 w
% b2 f" q% ]) Q2循环语句
' m6 c/ H1 B' ~ (1) from <statement sequence1>. Z, O: ]/ r5 j: z8 j
until <condition> loop! K; ^& R/ u d8 e: L6 m
<statement sequence2>;
+ k" `6 `* W$ c- p end;3 [- V! m+ t* }& f& ?3 M2 w
(2) while <condition> loop
5 J6 z" |0 D9 N( S; a0 Y, [ <statement sequence1>;
# X/ x, t' M) g/ G: f, f% K, P end;$ S( K$ e0 [+ u1 \; Q; d; ] D
(3) repeat
( R" G- O: d& f2 y& X8 _+ v2 _ <statement sequence1>;$ n# b$ W9 `2 p! Z! I% _
until <condition>;7 m) ?; r9 a7 b. s! o& h, l/ q
(4) for <condition> to <condition> loop8 a3 o* N5 v+ {( [& u
<statement sequence1>;. |6 D% v4 R8 k1 Y: e% k: X
next;
" {. S4 u. U8 y5 u9 j2 {1 N" y3中断语句
9 `. F: a; @3 U9 T waituntil <condition> prio <integer expression>;
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: i$ \% ]. W+ h' h, v3 @; h% M0 t# d以上为常用的函数！
" N$ G& f9 f8 }; L( ]8 h' Y还有很多，如有需要我把资料发到你邮箱里
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