|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句4 ?- w$ e6 o8 p- ?* H
if <condition> then
3 o; o) U8 v5 K4 c- E2 z1 s7 K <statement sequence1>;
& r9 P/ A7 ?- E* j9 T- B- M$ J elseif <condition> then4 P1 f7 t: N6 h- }/ ]
<statement sequence2>;# q- Z+ s0 J) ]3 d
else
2 M* e! c9 n( H' ^1 S. T <statement sequence3>;
4 W$ [9 @" s7 q5 Z- o) t7 i6 e end;
6 l7 `: n7 i9 I1 S( W5 W: X如果分支比较多，用：2 a2 x& n+ Y$ B# K
inspect <expression>8 m+ Q( B- ]" L% ^% N
when <constant_list> then! ]* s$ e% W! A9 D& o1 W
<statement sequence1>;
9 M8 x7 |- u! F" `0 c7 z* A8 A8 @ when <constant_list> then4 C! F U( }% z( j4 k, U8 k: v' e
<statement sequence2>;6 j) l" i" r) \5 x4 c
...
( |/ z# o" O4 u5 K# J else* Y% e! |1 e; S, j
<statement sequence3>;
1 w$ q2 \9 Y( ]end;
, R$ | S/ g# Q3 }2 d3 j. ?# j1 O! f9 l3 T
2循环语句6 ^( F4 S0 M! q
(1) from <statement sequence1>9 t ?4 V# U2 u* `
until <condition> loop9 r2 H' l% ?6 z0 J
<statement sequence2>;& w! Y8 h3 O, k' x/ `8 { |# Y
end;7 ^! ?4 k" Z- h- Q& p7 w( _
(2) while <condition> loop6 Z- f5 D0 s9 L' F- R' U2 B
<statement sequence1>;) F" i/ f/ x5 \( N" v
end;
% Q5 z1 d2 ?" Y1 ?* m9 n5 ^ (3) repeat
, z0 v- q) P0 p. O0 p( y <statement sequence1>;: Z, { a& W2 P6 R: d" ~: A
until <condition>;0 K& |) n: S& F- U0 h
(4) for <condition> to <condition> loop
`# w5 O9 y6 _2 ` t/ l <statement sequence1>;
8 R2 j d7 Q' `5 ? next;) X7 X7 Q2 w) C5 o
3中断语句
- L. g" [$ a. ^; V8 | p waituntil <condition> prio <integer expression>;" q! G0 f! ~, k6 `
( G6 a0 E( N) C H2 r/ @2 O
) I6 V+ r5 F" |" h4 g以上为常用的函数！: @4 L! }0 G5 z9 R& o6 V3 P
还有很多，如有需要我把资料发到你邮箱里
0 W9 p/ V' V b1 e0 |! C- N# K. u
! S( Q( S8 a# G- D' h$ z/ z+ W Q4 X3 e2 g! ? v: ]
- v+ A# c) W1 b" b
( i0 |1 p, q3 K q$ F& b/ c, x1 g% @! N6 E
* a+ w& X" p* [0 a8 _; C: ]
! z ?; h# Y( P
: ~1 O$ ^ h* U
b- U- ]. _0 |9 D2 Z 7 G9 @1 F* H u$ }; v3 c
|
|
[复制链接]
