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发表于 2012-11-13 08:48:12
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1判断语句
: ~7 F+ ~6 T2 ~4 E: D9 y. y; [ if <condition> then
e2 W; \; v" {: W2 s6 J <statement sequence1>;
7 L1 Z$ K( i9 u: o, J( A) F! v! Z elseif <condition> then
5 i6 O; d$ i- ^% X5 t <statement sequence2>;# e" {% Z1 Y$ \$ x1 x2 ~
else * H0 H3 s9 j: W
<statement sequence3>;5 ~. h, j6 v" J- R
end;; W; F. h1 G s! @) g
如果分支比较多，用：4 X# I" t/ f3 D% y: U$ q. T
inspect <expression>) u( h. L, i+ H+ T1 O7 f
when <constant_list> then2 o/ T/ y9 ~5 }+ j- p% c( j
<statement sequence1>;( ~( N* \. e" D' u' ? X3 C
when <constant_list> then3 T8 Z: A( u, c' V. {3 V
<statement sequence2>;
1 s8 ^' i4 R+ ]! T( e; R ...
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<statement sequence3>;
( c+ G+ ~5 A$ D2 h ^* h* @end;, n, i" U, d7 ^7 z4 z/ U
' r1 g% X( n: o: L2循环语句2 O7 b p' x# d) k
(1) from <statement sequence1>
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<statement sequence2>;
* q8 O8 [$ Q6 H- ?$ `) j) e' Y end;
( p' V$ R3 f; F Y6 |# W5 ` (2) while <condition> loop5 Y( H' _; F* O4 J, p
<statement sequence1>;
. w7 `- x8 S8 l M# V+ s7 F+ d end;. `% d: N4 b" V v" p
(3) repeat
! p" h# C. {/ _' D8 G2 r6 A <statement sequence1>;
5 G% s! Q% Q8 v until <condition>;
9 o5 d3 e6 L7 K" B! i. J4 { H (4) for <condition> to <condition> loop" c* O# U e, U& z* N# i
<statement sequence1>;! r) g# X% q# ]3 B1 o4 T' G& i. b4 P. n
next;: J. h/ D+ f% V7 M3 x% m: P
3中断语句4 V8 e" I6 ?! t$ Y6 V- ~
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. {! d1 L: q" k3 j! U6 u还有很多，如有需要我把资料发到你邮箱里
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