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发表于 2012-11-13 08:48:12
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1判断语句
: D; V7 J2 H( h/ s if <condition> then
1 L& J1 ~) f5 `4 Q% e# y2 J5 W' Y; N <statement sequence1>;
; m2 o: t2 G4 Q; g' Q; H5 f elseif <condition> then
& }: A! V' B: x; y, B6 _; I* R <statement sequence2>;
0 u0 \, T7 ^1 X1 N else . k: F3 g4 _& _: `
<statement sequence3>;
! P/ B" B5 t' S end;
3 |- ^# ?. ?/ P/ c9 V+ S如果分支比较多，用：: B/ r4 ?& N& W( I* K' O4 z! j) D
inspect <expression>1 Y4 G0 H5 r/ H( p/ F
when <constant_list> then8 v4 Z- W6 a1 G( v& y( Q, h9 Q
<statement sequence1>;- ]" q A/ N) \
when <constant_list> then
* G K7 }0 ~! X6 t- ^, j# x; ^ <statement sequence2>;9 k5 Q2 K0 t6 U \4 w
...
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<statement sequence3>;
! S0 t) \9 c5 N- s' [! D! Yend;0 {, @# H6 e6 ^. R# U
8 \0 x8 q" D/ |+ ~" M+ b2循环语句4 ^) j1 J. i0 r% h1 ~3 n
(1) from <statement sequence1>( `/ t$ D8 Q- J2 m# O7 S6 J1 Q
until <condition> loop
+ I0 i& w3 y4 Y( A" g <statement sequence2>;1 I; h! w9 q9 v- n% y$ t& U% V8 t3 h
end;4 m6 q2 V7 F9 G1 k! p
(2) while <condition> loop
; g" j! f4 A- V+ Y2 d9 A* u <statement sequence1>;
; [" x$ V5 G* R; n' C3 S end;/ P8 e& e. L9 w H; {7 @1 I
(3) repeat # O) V' h4 ^' J8 I' m0 N' p/ R
<statement sequence1>;
5 Q- x# [' U+ l1 x/ ~" C( Z until <condition>; r" Z* u; u& c( W5 w
(4) for <condition> to <condition> loop1 V" I, A5 V8 K
<statement sequence1>;
+ H/ @2 E. V m next;
, Y* m; w1 s" \2 Y& C! M w9 A3中断语句, {) o4 A6 w3 E! `
waituntil <condition> prio <integer expression>;
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# G% N9 W- p' m8 e9 w, [. D# n& { B以上为常用的函数！! j4 V( M3 k' Z1 V3 q* ?4 C) A8 p8 \
还有很多，如有需要我把资料发到你邮箱里
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