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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
! b; M' L# k) z, h5 h3 k if <condition> then
1 h, c1 k5 ?0 I$ @' Q <statement sequence1>;4 ? g; b8 t% d$ Q$ d
elseif <condition> then
0 N' Y ]* r. o: o% F <statement sequence2>;* z) K7 ~& N' O2 K
else : Z! X! s& o" ?
<statement sequence3>;
/ E1 `) x* i( v" ^$ k3 b6 w& I4 h" o end;
' f/ m9 S( b! U4 F8 m如果分支比较多，用：& m# b& ]' N9 D+ k
inspect <expression>- n! v% @# s5 W9 {: u
when <constant_list> then6 v9 o& B9 r0 W' J( q
<statement sequence1>;
7 W5 M) t6 I$ q, @3 c1 ]6 {' G when <constant_list> then% k+ y* E3 N9 U1 o% r2 f( z
<statement sequence2>;
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else
2 w' r0 g @0 K+ V) g, o <statement sequence3>;
2 {0 B; p, s. q6 J3 c5 s- f3 N( h/ Uend;* P- t; f+ m6 G8 p* ~- f$ b5 g7 P- D
7 m0 e2 f9 f v" y! Y
2循环语句
% p6 k1 X: r- P/ l) \8 b (1) from <statement sequence1>5 P3 B1 i; Q) } V
until <condition> loop
2 z/ r- d" ?' @7 O, X; N <statement sequence2>;* m( I) M5 ^* w; U4 v6 x9 U
end;
. r; A& U& f Y9 o" v) `6 ^ (2) while <condition> loop
: z$ j( b' O$ | <statement sequence1>;. ~9 G6 l& H5 r2 T6 x, \: _
end;6 k1 h2 q# ]& _+ g
(3) repeat
0 z @, }& B6 @5 G% I% a- Z <statement sequence1>;4 G9 m% X$ O0 b7 t
until <condition>;8 m. m) @# h- |8 V' b+ p* E1 W* o6 j
(4) for <condition> to <condition> loop
8 x/ a# i+ Y2 K& Z I$ \ <statement sequence1>;$ l5 [( l5 m( y
next;
+ P) J. e$ c" i% q3中断语句
5 w* p0 `0 d+ z4 d( ?! F" y waituntil <condition> prio <integer expression>;
2 J( o& `* ? u8 b& G: t1 z: z1 _& \& h: w1 ]& q/ N
6 m5 i/ _/ Y+ E$ ~9 [9 B: o$ l3 d e( {以上为常用的函数！ n' n* x1 H% G5 X- I; n1 B
还有很多，如有需要我把资料发到你邮箱里
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