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发表于 2012-11-13 08:48:12
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1判断语句$ h2 |3 W* [6 O/ I0 m, i
if <condition> then
* g0 L2 `; v! B' u/ Z6 G <statement sequence1>;
; y. [3 z4 j3 y+ u elseif <condition> then
0 \/ r9 C# p/ H2 e <statement sequence2>;8 F4 v* O0 \( M
else
2 w7 [6 O9 k! {% v9 X+ p <statement sequence3>; s5 y' P. R6 w$ r0 U. g
end;) m% ^+ C5 e" j* j0 e/ e
如果分支比较多，用：7 E4 i( n( Z- L3 Q. s' j
inspect <expression>
; z9 h Q( R1 I0 j. G when <constant_list> then
/ P* Y' y" Y3 ^% X2 \4 n5 `1 C <statement sequence1>;& a* s! ]1 B u" ]* i4 c( h% f
when <constant_list> then
6 c( v, R( t" [2 } <statement sequence2>;5 p7 I8 V0 g5 _$ ?, u, H0 t/ c
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else
: R. o) ~& g% F6 P2 m& g b6 z <statement sequence3>;, k w5 B9 S& |+ k$ n
end;
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& p1 J' ]$ j1 I$ |9 ~& C3 ?: j2循环语句
& p; L9 }4 `! W; | (1) from <statement sequence1>6 F: b8 t: u- Q
until <condition> loop
' n6 B0 A, q! B3 b3 E8 | <statement sequence2>;
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(2) while <condition> loop
5 q4 ~6 n" v4 g- A/ C; n# T+ ] <statement sequence1>;0 l: N f. g$ G
end;
$ j n+ p. o/ W$ L1 X) a- | (3) repeat 6 w% N3 |* f& b x
<statement sequence1>;. F& z2 Z4 h2 f) k) O
until <condition>;
2 H3 f: w% Y8 d# C (4) for <condition> to <condition> loop. w* ?" v- s( |* C5 F1 J5 V1 |
<statement sequence1>;
2 I7 p1 Z9 Y8 d$ W( Z5 Z% Z5 X1 _ next;( m/ S2 T4 c& C9 t; w# J
3中断语句- O# B% I2 M: x# } }6 M: b
waituntil <condition> prio <integer expression>;
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- c, A0 a* h6 z: ^; Z
9 {% P6 W9 c V# e7 F4 _以上为常用的函数！
5 E) l# I# |9 s& b" T还有很多，如有需要我把资料发到你邮箱里
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