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发表于 2012-11-13 08:48:12
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1判断语句
$ c% |3 l( S) O2 N2 n if <condition> then- V4 v2 ?# A% D' k/ q2 f
<statement sequence1>;, c4 a8 Y2 f( Q( @1 x3 ?
elseif <condition> then
: K3 ~, a C& D" ` <statement sequence2>;
9 b) {( l$ c& z9 [. l9 F. t: R else
1 H( u' X5 d0 {4 p <statement sequence3>;
/ Q+ O2 P9 j$ o y. ^* n end;, F7 [ b% C9 v) S1 c2 W% Q
如果分支比较多，用：2 F; a1 r6 W& j- s2 Q! [
inspect <expression>0 [' ?: u! j) k" v$ k9 K4 `1 E: ~
when <constant_list> then' J! _& q- C0 i
<statement sequence1>;
' U7 `$ L; V# j7 o when <constant_list> then+ R6 o1 K5 N) c4 w3 V
<statement sequence2>;/ X+ m& {5 A* t) s
...
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<statement sequence3>;: N S( K" S# V: \7 D- z
end;! U: F, C& m8 L$ D$ K2 P2 ]1 a
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2循环语句
4 P9 G. e3 }5 y, P5 R6 \7 E ~! Z3 w (1) from <statement sequence1>
% p Y f, ]0 j; w; d until <condition> loop" b* ?, L$ Q2 M, m# k
<statement sequence2>;; @1 J- s; _7 A8 C
end;
3 i$ F' i9 |- H& R. s (2) while <condition> loop1 l) x; N7 r9 R' T% m7 t6 Y
<statement sequence1>;
6 F6 a% f5 c9 e( Q8 H i4 H end;
4 D4 }2 A7 a/ B, f8 y \ (3) repeat
5 i* ? c- f; J <statement sequence1>;2 c( f% M/ j: `
until <condition>;
# l6 b+ X+ ?, A$ ~* g. U (4) for <condition> to <condition> loop; g8 q# H# X1 z" k( l
<statement sequence1>;0 J, v; C: n$ W" M4 k; R) X
next;
1 V& {# V. e# a3中断语句
5 E: W; [: U& |& }; b. J0 G' q waituntil <condition> prio <integer expression>;) w( y3 C; w1 y( b
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以上为常用的函数！
/ q7 S5 A6 Z$ N* i3 h) b1 H/ p还有很多，如有需要我把资料发到你邮箱里 4 R6 ]: O( Q; l% h+ l9 B
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