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发表于 2012-11-13 08:48:12
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1判断语句3 _% p9 r: K6 x7 s/ u/ m$ [0 Z
if <condition> then
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elseif <condition> then$ p: l' B# W' T" G. ^
<statement sequence2>;
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+ X2 u r# `( {/ B <statement sequence3>;
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如果分支比较多，用：
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when <constant_list> then" F. z7 d0 }8 k# I* {0 @
<statement sequence1>;
) _: h5 m" s1 K) f0 `7 l) M( G when <constant_list> then
2 o& Q' F: L$ |, V5 [" Z. P <statement sequence2>;$ U, a; c. ^' X6 S: J" ~. A
...
, D* E1 |" j8 @ else
& s, r! E8 w/ R$ U <statement sequence3>;1 q a; S0 `' ?& |4 M6 d
end;
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3 V' Y# Y1 v* @2 P$ }" \' \2循环语句
. i9 U- T3 @' _" T& }- n) z (1) from <statement sequence1>3 `. L) ?: E$ h0 P) f
until <condition> loop$ C# M) ?1 p* B( b
<statement sequence2>;
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(2) while <condition> loop3 P' y& ?! v3 S
<statement sequence1>;8 x1 S, n& m" w4 K6 c) X5 O7 Z# u0 o
end;
6 `0 G5 ?5 \- i3 y. s' S) o; r# [8 B (3) repeat
3 \2 i" y7 F3 F <statement sequence1>;. p9 @2 w& t# e' b( A& Z4 n; n
until <condition>;
5 z6 M. ^; `& T' C) U (4) for <condition> to <condition> loop6 `- \, y% p/ v4 n& @5 l; M
<statement sequence1>;& ^. h. G+ V' Y
next;
$ a+ O. `& X( b" @3中断语句
. i3 v t0 y7 y3 R9 a( E# M1 Q: ^ waituntil <condition> prio <integer expression>;: {8 ?6 O+ k) \* f& a7 [8 ~
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6 d$ o" Y9 g& o$ m" n以上为常用的函数！
4 E/ z0 Y$ D! |8 v" l9 P+ k还有很多，如有需要我把资料发到你邮箱里
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