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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
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<statement sequence1>;
8 k3 ~4 H* q5 S+ Q$ Y: X elseif <condition> then" o: n' m7 R/ y9 G
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多,用:
: ~$ l) {- e4 @$ N* d inspect <expression>
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% x& N% u, @) ]/ k( m <statement sequence1>;- B3 C F% f, Q7 \/ W" k
when <constant_list> then; f5 ]4 a0 r7 z* e
<statement sequence2>;# v2 T) o6 b' Z% h* h
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else1 W! _8 t; r, `3 i3 q2 K
<statement sequence3>;
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]+ R8 h. a* Z2循环语句# ^2 Q1 Y" |! B% a
(1) from <statement sequence1>7 y$ I0 j/ y/ D! @
until <condition> loop
# U/ N+ {) P- | <statement sequence2>;
! }# @: }/ K. v5 e2 k end;
' E/ G6 I$ W" l. C6 F (2) while <condition> loop6 c+ X' W7 w- N4 |/ A; N4 G$ Z
<statement sequence1>;1 b0 }3 Q% O& p1 c$ o& y
end;
; e& x7 P2 U! }; X) S: P (3) repeat / f- G$ ^- y' c& `% q
<statement sequence1>;) W% T' [* ^: l7 \; z$ c
until <condition>;! [9 Q# R0 l* A
(4) for <condition> to <condition> loop
# a! n0 K* j6 @ j1 D$ t <statement sequence1>;' L; X( _5 o: M
next;! y2 c- X1 ~ N/ W/ O& F
3中断语句
, A6 o1 s6 \8 A, z; z5 M9 K+ B waituntil <condition> prio <integer expression>;8 Y# v: y: j& Z4 `' a% R9 {
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; Z% k& x, R* G以上为常用的函数!5 r3 ]% p$ Q; _2 N# Z6 u, l7 Y
还有很多,如有需要我把资料发到你邮箱里
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