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发表于 2012-11-13 08:48:12
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1判断语句8 c% M$ {5 R7 H
if <condition> then) s( C8 O# B4 w' o+ a6 m/ t
<statement sequence1>;
; ^% [0 ^1 j; `8 s3 A elseif <condition> then" {, k5 D1 X. l4 Y
<statement sequence2>;4 I1 |: Y* S1 D7 f% q/ I |# y
else # A: q. L2 V/ d' Y$ L! V
<statement sequence3>;+ w/ Y6 N6 o3 K
end;
% `3 ]& d. c7 j' {& B; a如果分支比较多，用：
; \: c) d: f; x" `( p inspect <expression>2 y! K4 M! S0 C3 x5 I
when <constant_list> then
. e% D8 f3 b7 d& _, z. r' X+ ` <statement sequence1>;+ {. r' R4 r3 S& O( }2 ^5 b
when <constant_list> then$ L8 d4 X3 T+ O5 z/ ~) s% s" _
<statement sequence2>;' f) B0 p" r; Q% F* C9 S
...6 c/ P1 N5 Z4 t8 Y. r! C/ r
else
1 W. q+ l+ J( M, }" Z" J# f <statement sequence3>;) G% a# B8 J: [0 f
end;
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# E7 J& S. o9 a% G- w+ i2循环语句/ x- i# N& p( X' J; n- L
(1) from <statement sequence1>
, L) F i% I3 S4 K- s6 w0 w( F until <condition> loop5 b2 p% v$ Q5 m K; E( d
<statement sequence2>;
1 j' B% Q2 D( y. y) {# d, `# d" L end;/ A3 E5 r6 j: c. ~' p- V N
(2) while <condition> loop7 w, @1 m% V J( ? Z2 e' z: z
<statement sequence1>;% U$ W4 \# w5 A& l3 S9 |6 A
end;" h6 X- V! s% t2 b4 r- ]
(3) repeat 4 n0 d3 U0 M n4 a9 L4 T Q6 s4 m7 g) n
<statement sequence1>;
/ o% P0 V: `' C, A until <condition>;2 v+ e$ p) Q4 u2 D
(4) for <condition> to <condition> loop! u/ c. g. Z8 N3 ]
<statement sequence1>;: W# h+ N- ^8 @: F- S
next;5 P$ n: K$ V$ f) p
3中断语句! r9 D$ L q* b, Z
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( v# W/ a4 Q; n& o还有很多，如有需要我把资料发到你邮箱里
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