|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
, Q* @% E( o: L6 v/ q if <condition> then' {6 h, B6 E* E1 Z6 O) o
<statement sequence1>;+ l" o4 n+ u% Z7 ~" \ ^
elseif <condition> then
' ?% U$ e2 f+ O& Z <statement sequence2>;
0 P. i h" {% o c else : i$ B9 o! ?$ l
<statement sequence3>;
t" X' t' y% X* [" i0 u n( L4 C) y end;
@# g/ y+ H1 j: N% q0 ~7 v如果分支比较多，用：' f/ c1 k; r' W0 F+ A) I5 x
inspect <expression> z) Z! B% {& g! ~) e5 U
when <constant_list> then
6 X( _ v5 [" A8 _5 [ <statement sequence1>;- n* ]5 `& v, M
when <constant_list> then
+ v+ t2 Q$ j" ]0 ^! ^ <statement sequence2>;
7 P$ E% g) |/ E" { ...1 D6 g8 K" Q& p$ c4 T3 R5 E
else
+ L/ l- ~( a9 m/ m& x <statement sequence3>;
! a7 W8 L. K" k0 r, a& p2 `end;! e9 X/ b4 `; n- o0 {' Y+ M# f
- j8 {. t& g( E. L; I" W! y& }
2循环语句, V, @) b8 l. G+ h0 { M. S. H
(1) from <statement sequence1>) M. u; S. P# ?1 w
until <condition> loop9 x5 ~/ w& O$ Q) v1 a& o3 v' P* y# H
<statement sequence2>;
2 k5 n/ L v5 u end;
( `; a- V6 N- k+ P$ h (2) while <condition> loop4 B; O% M+ l& e8 b y, g
<statement sequence1>;
g. z$ L _' V3 {" i end;) u, \$ ^2 i5 q: v& L- k! J- `1 u8 X
(3) repeat & P( M7 T, _5 b- w# u
<statement sequence1>;
, [% j" `8 A! ~* R until <condition>;' S7 Q- f3 `% G. B+ L
(4) for <condition> to <condition> loop
: c& o3 q6 Y5 m/ n <statement sequence1>;) A6 k% m* L" {' }" I
next;; k9 R! N' ?" a# V
3中断语句
/ W. y1 V" U3 A waituntil <condition> prio <integer expression>;. z3 H. Q5 y9 V
3 r7 D x. ?, F& c' r: @7 c
. C# G, y# i) i( v# Z* `* f
以上为常用的函数！! U: `6 [, s$ S0 m0 K7 i# a
还有很多，如有需要我把资料发到你邮箱里 ) `+ J& d4 V& C- o! X! p2 N; S& k5 v3 x2 O
/ ]4 K! _/ K. Q7 n; Z; b
$ F% f$ X" a+ G% J) a5 X. z w5 k- u1 V9 f) b
8 L/ x& O+ D9 i, ]) F) V" V4 E: X: h0 H* u: T- z3 N! _
& c6 c6 Y L" Q9 S7 r
5 H: r3 e, e3 N
( S: R; q$ o3 I9 @5 D( G4 k: V
; S+ C! \. U$ a5 V/ E0 M$ `
4 v2 ^3 I I' S |
|
[复制链接]
