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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
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<statement sequence1>;$ Z3 P6 o2 ^7 F$ D4 q2 e2 {
elseif <condition> then* E* O+ h/ j# G! k
<statement sequence2>;
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<statement sequence3>;' i& J8 G* R# @$ u
end;. D% v6 G2 I9 V' K: x4 s6 w$ T
如果分支比较多，用：* L$ `+ h- u. n7 M; W# w
inspect <expression>
( A; @- R1 ]8 A) R' L: f5 k1 x when <constant_list> then( y+ o& X$ _0 U3 N4 \& K
<statement sequence1>;# y, }* t- y4 \" n
when <constant_list> then" R0 O% s! ~5 ?5 T' d/ h
<statement sequence2>;
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<statement sequence3>;, X/ y# U9 S, r/ c0 Z/ Y# r- y
end;
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2循环语句
5 M. h' d) a) z4 e (1) from <statement sequence1>5 e) H. u4 v$ v: h6 s2 r6 l
until <condition> loop
& {; s! e) v+ h% |3 G <statement sequence2>;
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(2) while <condition> loop
1 k/ p7 S8 U* l; W$ j <statement sequence1>;/ ?: l6 C& b5 B$ i
end;% X3 ]* v; g* C- g% T, b! b. u
(3) repeat , `4 ?5 |: } s$ o. i3 q d
<statement sequence1>;0 G5 g8 k0 B" K* t
until <condition>;- O, e" T. e6 |( S) R
(4) for <condition> to <condition> loop
5 ]1 W2 n' }4 r% {3 M <statement sequence1>;3 x# n6 z9 ~+ }- o
next;
1 [' }& \4 J) \$ q3中断语句; r. I9 Z ?9 Z2 K
waituntil <condition> prio <integer expression>;& d G3 s& j# e
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. x3 {, e+ P" T& m9 @5 l, ]以上为常用的函数！: j8 w' S% `0 e5 C/ X9 W
还有很多，如有需要我把资料发到你邮箱里
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