|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
" X6 O1 P. Z0 T if <condition> then% C% q; n b5 t) u3 ^7 G" ^( k# F
<statement sequence1>;
4 B! v, M$ Z! q! l' Z$ O+ b elseif <condition> then
6 O9 t5 B6 X3 s, i# F, W <statement sequence2>;- B! d% G4 |. p% g+ @8 v
else
! m) a. g: D, F ]" O <statement sequence3>;
# O1 k& q' n# e6 M6 X8 s end;
6 G! }$ b& J8 H: c如果分支比较多，用：& q) j5 _% V2 n
inspect <expression>
0 z D2 @) ]2 d2 O# ?9 S" V when <constant_list> then
0 L& G) j( w- _ <statement sequence1>;5 k& n/ \- s* k4 ^" o. v# x: N5 L" F
when <constant_list> then
# g" U1 Q; f- `0 M3 F; I# }* Q <statement sequence2>;( \0 g' y$ W! J1 ~
...
# _/ G4 N9 ^# \+ @% ` else4 O" {% _+ _5 V5 b8 k3 y
<statement sequence3>;# Z' j4 A; ` u3 m
end;
, `, L) W7 l1 s9 A! D I0 l7 |" G- Y
2循环语句3 ]$ _! F9 T! v. a! i$ S; z
(1) from <statement sequence1>
" R7 p7 R% z7 s3 {# w until <condition> loop1 ?, Y9 p1 C, B% A1 D, q! O
<statement sequence2>;
* S7 E+ O, Y5 t0 F: o; p" f) f) ?7 ` end;% p |( N1 U: T8 }& q9 E3 I( V
(2) while <condition> loop
$ O& G, W: v: a: R2 }. i <statement sequence1>;
; c( H1 }1 ] F. a" v$ {% R; E0 `# R end;$ j: A) Z; ~5 }* H
(3) repeat 2 I; D1 ?' I/ ]
<statement sequence1>;. I) [ v* m* _# j5 s
until <condition>;
: x& @" [9 S- j+ ?& v! X (4) for <condition> to <condition> loop
- }6 j% J5 `, m9 P3 h1 z' V <statement sequence1>;
! c* J7 ^8 O9 r/ G/ {9 L3 M8 v- G next;5 T$ @; @! ?5 D
3中断语句
0 ] A# |, ^5 q4 I' d) ]& ^ waituntil <condition> prio <integer expression>;6 C) |4 _! w& j$ ?
8 j4 y3 \2 K; n9 u; s8 i2 t
4 A: X0 ^1 T- Y( Z# M* y# F r以上为常用的函数！
* s7 J. O. M1 r& B还有很多，如有需要我把资料发到你邮箱里 . c9 j$ A' ]7 Y9 I- M" G
+ _/ o; A- R6 d& Y4 X/ L5 s+ K) E; U8 t, }/ ?7 T
* Q' r+ x H" F+ g0 B. _1 Q& s- p
. S2 j& { A ?1 f4 I: b% m" r p0 \! R7 U; _9 `6 s6 Z8 c
4 |9 f1 l' b5 `: y
( F8 B/ h% \% Z' ^( h! Z) ~; I: T7 O* w& n$ Z- S V
0 f5 l* F- b( A% G
# ^9 E5 F: F: L) A |
|
[复制链接]
