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发表于 2012-11-13 08:48:12
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1判断语句: x5 p% B9 ?4 M. J- S
if <condition> then, R& X" R# q/ P* v% A# I3 \
<statement sequence1>;# I' a. k* d2 w5 D& l( o* \5 g
elseif <condition> then
* {8 Q2 E7 O: e' f <statement sequence2>;
6 e r# X5 N+ B. S else 2 X9 o% V' L! Z% C$ O' A" w# H
<statement sequence3>;
8 w ^, F+ Q. ^. h2 B1 Z6 h1 G6 z. ^ end;
; i' Z4 V9 d. n0 t如果分支比较多，用：
b! Y# Z% c1 ~" l9 ^1 D* R$ [% B inspect <expression>4 M; E+ K7 u; t
when <constant_list> then4 ^" h2 K" @/ I+ y9 s- d3 B/ s" W
<statement sequence1>;
" i8 l3 k q1 ~- j$ Q- E when <constant_list> then
, @! Y* A1 T8 ]2 }% A <statement sequence2>;
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else9 t: u& [/ I+ s0 A, T
<statement sequence3>;# h" `9 N/ Q3 r; Z
end;# O0 Q' d( ]. @/ G8 U- h1 f
7 w( P7 N4 M" W9 S$ q' S, F2循环语句
; ?( g1 i3 Z4 Q3 L1 E% ~! } (1) from <statement sequence1>
3 h* ^3 }3 H, W7 P }' V' o until <condition> loop6 w" u) m- W3 J+ j
<statement sequence2>;. v4 V& F7 Q- w$ U! c
end; k* d6 P7 R5 R% q" s5 j
(2) while <condition> loop
7 _8 H1 L! n& ]1 @ <statement sequence1>;" |. ?# r- R7 T# s5 A( ~
end;
2 }" o5 p& Y2 J3 z+ T1 M (3) repeat
1 h7 M) O& y' W& o( x <statement sequence1>;
. e) r6 t, V8 w) _7 M# \# n/ t until <condition>;: ^% b7 Y) a( v M# l; y. X
(4) for <condition> to <condition> loop
* n' k- w% p2 J9 W u$ t5 n/ D <statement sequence1>;+ y) u8 W) j/ y+ _7 v3 w( a+ M
next;
: A2 g. Z: I5 p+ f2 O p3中断语句- s. f9 p" W- x, \, D8 e2 A, C
waituntil <condition> prio <integer expression>;
' i" k; x1 X7 r6 J$ o- Y( p; s/ Y% N
2 u* d4 x# _8 a% f A以上为常用的函数！
. W5 @' C% j, ]4 q" Q1 t还有很多，如有需要我把资料发到你邮箱里 ) ^9 o$ r' }( ~$ i, \5 S% ~
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