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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: ~7 T2 M8 ^% O9 K0 `0 ~+ |! ^
if <condition> then
3 g/ Z" _$ o6 d: J; Y$ U j: i2 T <statement sequence1>;
- `; J+ H$ L( y: @! k: q6 D$ d elseif <condition> then
* z6 W9 J0 j3 M( V: ^1 r <statement sequence2>;) I' l% l- E+ H3 K8 ^, m# ?( X
else 6 @8 C$ b2 E% e% Q/ B& p# V ]5 f
<statement sequence3>;
]/ y9 z- w8 t% r end;& }; z) V6 ]! \4 D" E
如果分支比较多,用:
; ~; j- P, H# K9 h0 Y- R) j inspect <expression>2 p! z8 i9 j0 }1 ?
when <constant_list> then
3 Z# [5 M# _2 B- U <statement sequence1>;/ r. z1 ], K" E# @- l. D: ?3 _1 p
when <constant_list> then
) H) P& `8 {* j- U <statement sequence2>;
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else; r. H2 F8 a+ Z: j. H
<statement sequence3>;5 u2 F8 N6 J$ ]
end;& k0 [& f t+ X# o, X
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2循环语句# y M. ~; M* I% ]3 f2 ^, ?( A
(1) from <statement sequence1>4 \- \' b B% V" e: W# k
until <condition> loop, y. X* {" w3 O1 ?
<statement sequence2>;
5 F6 E) l" n0 P; }: @% A% v& W end;
# w6 j' a, I L7 U9 n% [ (2) while <condition> loop
b Z' J0 \1 ]' e$ D- [0 | <statement sequence1>;3 _6 b+ i4 O. ~' j& G
end;
8 L. k4 O, @& b' u (3) repeat
% `6 g4 x" c, \1 z1 c1 | <statement sequence1>;
' Y3 P5 a. r5 E until <condition>;4 n! O- p; Z$ B. f
(4) for <condition> to <condition> loop4 ]5 n5 d+ T+ B* m& K6 c8 p, a( r
<statement sequence1>;4 H. e2 m+ O& g5 n" ~
next;
! B( z% b; c+ `7 {5 r7 z' R3中断语句
* q& K+ Y. U& P; U waituntil <condition> prio <integer expression>;
* P& H2 Y+ Y1 p+ x4 F. P& z3 B. r! q2 C
1 G4 t9 `' v# x. ~) I; y7 _. D以上为常用的函数!8 s& j/ S1 c: A# D/ Q
还有很多,如有需要我把资料发到你邮箱里
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