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发表于 2012-11-13 08:48:12
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1判断语句: t/ F# ?! Z4 A e
if <condition> then
+ e7 p( U' @' ]& j- X <statement sequence1>;7 r8 d7 r( |1 S5 K& C
elseif <condition> then. i7 l2 A+ S# {3 c9 l; @! @
<statement sequence2>;$ \1 m$ }+ S8 F( t+ K- H4 g1 r
else ' F, a$ X* H ^8 T! P+ C$ i
<statement sequence3>;
) [0 D0 s9 O4 e2 L( h6 L* ^' y end;
5 O- M. Y2 @( y2 z+ e3 Y如果分支比较多，用：3 \3 A4 N8 a% y) W
inspect <expression>( J+ C( p3 ^$ C' E$ C$ A( f8 O1 w
when <constant_list> then
4 D& \9 C8 N, o4 q, W/ v$ |7 _ <statement sequence1>;
0 D+ X l, Y9 Y% u0 h- } when <constant_list> then, P/ x, p, Y$ i" C5 }, {
<statement sequence2>;$ E+ O- V/ e) e, g/ f* e
...
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<statement sequence3>;4 L4 H: Z3 P* k7 s: A& x
end;$ h e( W6 M# |+ f$ c
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2循环语句
: G3 B- u* C# n# g8 k. c: O2 O5 ^ (1) from <statement sequence1>
, [; b) @, h8 v5 @; b0 E9 d until <condition> loop: {) D, r& Z% E0 k
<statement sequence2>;
9 p: j1 l# [, s- C j. @4 h end;
% k* b% B4 D; E% x (2) while <condition> loop2 s7 V& k& l# P4 n2 h0 H
<statement sequence1>;: o! ?; F, F- U" u% f
end;" |1 K( r( `* u {' G% d8 H$ K
(3) repeat Z. p" r- e. t2 F: |! f% M# L
<statement sequence1>;" }: e/ b& k2 }2 V4 ?7 s, P! y' E
until <condition>;
9 r* w5 _- Q1 W! E& c; }. G# P+ t (4) for <condition> to <condition> loop O3 e. m. O" A0 X& u/ W* z
<statement sequence1>;
/ t7 p7 v( g7 z3 T# V& ? next;
7 [" Y. c1 S3 M3 R) d; g7 u- m3中断语句
M6 g: z4 c2 }( u waituntil <condition> prio <integer expression>;1 i1 V6 s* e' g4 I4 j% K
" }/ [! O$ i! C. D
( o9 F% F! e/ [9 ]以上为常用的函数！
$ R5 X' i( n" \; _# y9 p- ^还有很多，如有需要我把资料发到你邮箱里
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