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发表于 2012-11-13 08:48:12
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1判断语句1 r/ t+ [$ h. i3 w) W7 {; v
if <condition> then
- u- {2 G" i6 [* i u7 M <statement sequence1>;/ N& \; v: ^) F" e) S" O8 O
elseif <condition> then
9 }1 K( ?+ d) v& i <statement sequence2>;! i/ s6 e0 \' D$ G5 F9 _0 I+ W
else S; ]6 g6 f( Q" j9 G
<statement sequence3>;
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如果分支比较多，用：, ?7 z+ s. }" }# Y
inspect <expression>
( X0 e6 W1 W* c! W# ~ when <constant_list> then
% h, Q/ J& m+ z! c+ `: |+ { <statement sequence1>;
! b" c0 j0 o/ z. q) M$ Y* F when <constant_list> then, t5 Y( a& D! U' W$ M
<statement sequence2>;
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else. f0 B0 ?) q: C M6 O
<statement sequence3>;9 S* I0 j8 ?6 S
end;# L2 Z0 [4 `7 X8 v) M
6 ^4 Q% y* J) T1 D, a! a3 N2循环语句+ P, Z m* m) F) @/ w% O4 U
(1) from <statement sequence1>
' F) ^! Q$ O' }' R; T ?3 |8 S: i until <condition> loop
5 W4 E+ p8 m5 |; ~( ?: b& m <statement sequence2>;
, V' F% O# J0 \ end;
5 C a# X; P/ X3 m (2) while <condition> loop. Z& k4 \# p: Z9 O
<statement sequence1>;! Z' z; y% |8 k5 m0 |) [! p
end;$ T3 u( a( y! {$ j* v+ w% x3 ?
(3) repeat : U$ ?/ t0 r4 _+ ]" G# ^
<statement sequence1>;4 U: k( d9 j6 Q, `
until <condition>;7 m9 f' k0 \8 l; E# i7 S
(4) for <condition> to <condition> loop3 d5 k- v1 a. z* _0 z
<statement sequence1>;
) r" [/ D" C7 c+ v' q6 z next;
0 X, l" a0 I1 h2 j' v) D3中断语句" c6 h% @# T0 A2 d2 `
waituntil <condition> prio <integer expression>;
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3 N0 }0 n1 c$ \
以上为常用的函数！
6 B# G( u, A+ q# ]4 x还有很多，如有需要我把资料发到你邮箱里 - P% X1 k! f: F) a! I) g
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