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发表于 2012-11-13 08:48:12
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1判断语句
; B3 G8 p" X0 |- g if <condition> then
[9 t& j* R6 v <statement sequence1>;
) I ?6 J" L# U, ~& b elseif <condition> then$ j: d3 }$ j* A4 ~; E
<statement sequence2>;
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% R2 R. W* V0 B0 d% C <statement sequence3>;
) D y7 ]! s% N" A# }9 r1 s end;
) v$ Q2 e. T; [. W _4 y如果分支比较多，用：
8 B9 a& ^: h8 g8 h* A( F inspect <expression>
" W/ F% u1 e) J. ^ when <constant_list> then7 `- X! r* y) V+ b$ L
<statement sequence1>;4 p3 h+ ]9 s- v0 W0 w+ o
when <constant_list> then
( K3 O# |# r" H <statement sequence2>;4 l" c k* ?" t% o. T/ P7 }
...
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<statement sequence3>;
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(1) from <statement sequence1>4 x W4 a, G7 H. C1 E4 g" q
until <condition> loop
* ]9 w# _& W, }. c6 ? <statement sequence2>;& S. N; W K5 t5 [8 R
end;
- Y- b5 ~' a( z- } (2) while <condition> loop: m+ f* X! ~' z% h8 l- ]
<statement sequence1>;# m8 T0 p* V1 D% J" s9 I( z
end;- p: d$ W) q; c# B# s
(3) repeat 1 }' @9 {2 v5 U j
<statement sequence1>;
% c0 P" U6 W# t7 n9 c* z* p% u9 O: k until <condition>;
+ {8 Z3 s, k" q5 F& P8 k (4) for <condition> to <condition> loop. D* `( ?' t# e. ]
<statement sequence1>;0 @) [$ e: H/ I& z: B4 [$ W
next;
; Z' c; y7 R& v$ n) O ^( c3中断语句+ Z+ B) D" K" F6 u- S! A
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
! Q+ K9 k1 n7 p. v' {) c; t4 C5 L5 [还有很多，如有需要我把资料发到你邮箱里 " t& v* b z9 o* d
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