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发表于 2012-11-13 08:48:12
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1判断语句
: x F/ K! h5 n, K if <condition> then
4 T% \0 K- D @) N8 a6 B3 Q <statement sequence1>;2 M' ^) U9 d4 ?: x
elseif <condition> then7 p) `7 \+ d% m* Y4 T- g
<statement sequence2>;! M: R' [% z: O( ?& g* b M. k! u. i4 ?
else
0 w) x& o4 W2 I" r0 a! Y <statement sequence3>;) x$ J$ ~. `/ g! D# `' N" H: z
end;2 J' ?6 s8 l: g
如果分支比较多，用：1 ^4 d3 U+ T6 I1 o8 z9 {9 q' l
inspect <expression>3 I \& t4 j) [ \0 O& {) ^3 p
when <constant_list> then1 V* ~7 \) z6 P9 L7 L
<statement sequence1>;: H$ l6 T5 K) _
when <constant_list> then
' ^& G3 f0 Q; x! w; S1 U <statement sequence2>;2 }6 p/ ]! [ A% n) N* A
...$ P( t, c; L6 |3 T
else( u& f6 a' P1 o5 J* g9 e
<statement sequence3>;8 @; w+ V1 n! V* `* E
end;
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2循环语句2 s) V- ?. j+ v6 u, B8 ~+ _! o
(1) from <statement sequence1>
2 ]5 L- q, ]5 u$ u until <condition> loop& p) x1 S; Z; H2 K
<statement sequence2>;
2 g4 U0 V% h. E: c8 m# z# g: d8 ]) ] end;
. g$ C5 |3 z# d9 ] (2) while <condition> loop. Y/ P" D3 }9 x) U' P
<statement sequence1>;
7 O* D: x( m4 D5 M# ~4 p/ j r end;9 i* O! r1 R3 F% M# R
(3) repeat
a4 U6 r5 J6 n# I& E- m <statement sequence1>;0 D) b9 E: B# {9 {" R; j5 B, e1 ?, o
until <condition>;
! U3 W ~: \" J, `- a( M- ] (4) for <condition> to <condition> loop
( i m: ?# P/ `6 Q- E9 ]* [: m <statement sequence1>;( M. E; c! J+ `8 x" w
next;
3 Z# M$ o! v% P7 N* ]8 K2 C3 i3中断语句 ]. P3 o6 n$ |. Z: t# o; q
waituntil <condition> prio <integer expression>;
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B! O3 j% C' s. {3 M' t N+ V/ {1 K9 z! M5 D' _
以上为常用的函数！
: m3 `: v8 @( ]6 v, g7 w; Q. n+ S还有很多，如有需要我把资料发到你邮箱里
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