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发表于 2012-11-13 08:48:12
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1判断语句
( z5 K& Y. G S( Z4 Y5 g6 R# } if <condition> then
6 y8 B: s9 S& A4 ` <statement sequence1>;
8 J% J' T. j/ s3 s, v elseif <condition> then
5 |$ D; I* `& k- I <statement sequence2>;
$ e6 f4 L. j$ Z% L( u$ X else 5 C. w/ {. P$ \% m
<statement sequence3>;0 W( v0 q# X% w+ K
end;
# @: Y& z& Q: f' k' v如果分支比较多,用:& G# x6 g1 i, F2 N
inspect <expression>
; x" j& o( r9 `$ i& F when <constant_list> then6 F9 e+ F& Y2 N. f6 L
<statement sequence1>;
) D! u G$ U+ Y- `, U6 t- S when <constant_list> then
0 S- ^; V( F+ |7 _9 ~1 g <statement sequence2>;
5 Y3 \7 n# J. f- ?9 N" b4 ` .... _9 ?( W- n) Z. m9 B6 O
else; z1 \! }) H% l" a/ q: E
<statement sequence3>;, i, I& V% T' j/ d. `9 x6 C4 c
end;2 z0 n1 L. Z+ @5 O: G( L
4 ^6 I5 u, T. }+ q3 N# `7 ^ X2循环语句
7 I# j, S: U- l! a$ o$ N& m2 k3 D (1) from <statement sequence1>4 W$ @- Y) `1 N# a# q, _
until <condition> loop
. Y( B# C$ C K# @$ Z! _; \ <statement sequence2>;
6 B j3 I# m- v( W end;+ z' v9 |; z5 ^# u
(2) while <condition> loop
9 _! k* s+ V' A, a! }, q <statement sequence1>;
# j I! e) ]9 t$ B$ M. Y# F end;' `- l, v6 d* a" ~' d I
(3) repeat 2 n+ V2 x; _" H& f
<statement sequence1>;
1 ?; S z3 q; n _$ v; T until <condition>;* P4 v# Q% H% C; `
(4) for <condition> to <condition> loop0 M4 [, e" d1 |$ Z- k( ^4 t
<statement sequence1>;1 Q/ c! k- h/ Y2 V8 |
next;- V% S" O: C* C7 O2 s l
3中断语句) }( O5 V& C- V1 v$ j; w/ q( m
waituntil <condition> prio <integer expression>;) f# \9 n6 I1 y% T0 @
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& N5 S6 z }. d以上为常用的函数!
+ x! q9 L7 t" G9 V* w+ K还有很多,如有需要我把资料发到你邮箱里 0 V- V: k4 j8 ^$ ?" } a' }. Q% r
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