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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
/ ~( |! m* w( l$ i9 i6 l6 L if <condition> then
; o" D6 K9 R- d <statement sequence1>;
0 I2 t# F& ?) ^. G elseif <condition> then1 b4 ~; q+ i$ u- q# Z
<statement sequence2>;
8 x* f! ~2 |# E; w else - z! E3 b. T. w/ O k& @/ V! `
<statement sequence3>;
9 d2 ?, p" a! V1 H. s end;1 Y2 K+ {8 ~0 I. q/ C
如果分支比较多,用:* f. u$ S8 l7 O) Z0 e
inspect <expression>% L0 S' b- B0 C1 e$ b# }
when <constant_list> then, s& S7 S- }! Y# j
<statement sequence1>;
. K Y8 c: w; W, L0 ^ when <constant_list> then
' ~+ p8 i1 M$ e' P" W* i <statement sequence2>;
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else
4 F, p: j5 U* B3 [ <statement sequence3>;
I9 Z) y2 B" J$ X8 B; X3 d# I$ ]( wend;- ^ R+ Z! A* G' o
( _( g& A* V4 ?! f. `2循环语句
; P1 o+ t, p7 I4 V. ] (1) from <statement sequence1>6 e' A! p& t1 M( C. A+ q. z
until <condition> loop
j3 \, b" @5 ~# t7 g <statement sequence2>;9 u; j5 S$ ]+ X
end;
- v5 C3 {# d9 P6 i1 V (2) while <condition> loop6 i6 a6 H& U% X; r
<statement sequence1>;
' E% h5 @% M, t0 N& f+ t2 Z/ C end;
/ D4 E* A9 O/ ~* u8 O* S7 | (3) repeat
n* [' s+ Q! v" z <statement sequence1>;8 I5 T; _9 k1 h- Z0 m) c7 g
until <condition>;
+ G ?5 C1 Z" D% J$ H$ h (4) for <condition> to <condition> loop! u" r( y+ @. f1 z
<statement sequence1>;
" O% e5 [$ ]; T( }. _$ E- V next;0 c) F( E6 Y* O; R; F7 m0 |/ M
3中断语句
+ V( \4 x4 c+ c M0 B" a q8 L waituntil <condition> prio <integer expression>;
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以上为常用的函数!
4 q3 ~/ N9 F# E% w2 ~/ `- I" W还有很多,如有需要我把资料发到你邮箱里
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