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发表于 2012-11-13 08:48:12
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1判断语句 M8 j' K1 e T0 N7 Q
if <condition> then& Q1 J' `% c/ q+ n ], b' ~
<statement sequence1>;! X2 \0 f/ l9 D! i" R E* @
elseif <condition> then8 [' e8 |1 L/ a. ^2 P3 X: U% ]
<statement sequence2>;
' V* T. ` [- K. l. ~ else
8 T8 P- U# I% f* g$ o" j <statement sequence3>;
5 B/ @0 G% ?+ c, A5 Z! h; L% v end;7 [) K9 \6 z3 d! q0 I
如果分支比较多，用：
0 U' y4 C l: `' T% x/ _ inspect <expression>
8 f& D9 B5 r4 }" W' n when <constant_list> then
9 ~8 p9 \, k1 ^: c( v/ H <statement sequence1>;' @% h# k e" _0 |8 @+ n6 y& a/ J
when <constant_list> then8 o4 b: L0 H9 n+ U! ]/ m; r, `
<statement sequence2>;# ]5 f) s( b' C4 |0 F
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else
' {* ]. i7 ?7 y2 m4 a, X& ^+ y3 [3 ` <statement sequence3>;
$ r" v( [6 c3 eend;
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2循环语句
" b5 z# G# u. w$ H (1) from <statement sequence1>3 D# C; A# x4 N8 S3 l) P
until <condition> loop
/ c) B- G# d7 C* i' }) p <statement sequence2>;1 o; R& N' n2 q3 U; k( p
end;) x+ y9 T" P9 v ?
(2) while <condition> loop5 f+ \: m6 v3 Z5 g$ [% U
<statement sequence1>;
! N6 o3 I1 p1 |" [) z& M' ` end;
) t; h5 u) j- h1 x (3) repeat 3 L1 ^2 N" t3 m& ?( Q) ~1 t
<statement sequence1>;; O( l) G8 C* Z9 L; J
until <condition>;) I$ N# e k* _, ?
(4) for <condition> to <condition> loop
, q5 }2 O1 ]) i0 d \" G' c- e& x <statement sequence1>;1 V! s) M- K4 C, I c
next;
5 @- u" q0 M; @$ c: z' b- a$ ~2 s3中断语句
0 w; x! X+ w$ p2 u waituntil <condition> prio <integer expression>;
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. Q" D n3 a$ h. V! n以上为常用的函数！; E2 C; B% T+ Z7 v1 k
还有很多，如有需要我把资料发到你邮箱里
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