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发表于 2012-11-13 08:48:12
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1判断语句2 F6 x& j% e& N' x# s3 X" E1 m
if <condition> then
M# z8 U% j) i9 p <statement sequence1>;
3 S% C. `. \, ^( f/ f elseif <condition> then, t! Z L7 w5 }8 t* _5 k
<statement sequence2>;) s9 r9 I/ f; ]# t4 @
else 8 {* u2 |3 U& o) {/ H& T
<statement sequence3>;
1 e& ?9 {5 v0 A+ I/ H+ T* Y end; f" |2 E' B6 v( _
如果分支比较多，用：/ o( v" x9 C9 K; a6 A
inspect <expression>/ x3 u) n n( g7 {3 l8 T
when <constant_list> then
2 h+ k& c. u: X3 u% n) D <statement sequence1>;
w$ W% S2 V4 @6 w9 c3 D( D when <constant_list> then) t: n X; l6 h# P% V
<statement sequence2>;+ U( y' w9 C7 _7 _
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else
3 D$ ~' b% P3 o, ^ <statement sequence3>;
M: w- B& B! ]end;
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8 Z: p+ B& q2 P6 S2循环语句
1 l" |; ?0 L/ V (1) from <statement sequence1>
" L, h% S" O0 C, V; _ until <condition> loop+ M) s9 [3 B- P0 k5 u
<statement sequence2>;8 `: Q7 Z( d, [2 U& E
end;
- ?2 k+ G" |& i9 D1 N9 m; R (2) while <condition> loop" O" j' r R4 L
<statement sequence1>;, g w, | }* A. |) C/ D
end;
& f/ b8 @& J0 M/ [: b" ? (3) repeat . v' @, ]8 r1 R
<statement sequence1>;
& ]7 `, g4 W9 D, y5 d4 N5 X until <condition>;
) j7 L _. `; v' A0 c# P (4) for <condition> to <condition> loop7 L+ c$ D4 G' s: Z# b
<statement sequence1>;
( k9 m) }# H. f C next;/ r& {/ N1 f4 i U
3中断语句6 e* b7 p+ @4 w7 F3 A
waituntil <condition> prio <integer expression>;
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7 l$ |3 u# o4 o( r7 v, b$ D) v以上为常用的函数！( `; M* t, ?# s! V5 e9 g g
还有很多，如有需要我把资料发到你邮箱里 6 S/ Q4 h8 T. o" D
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