|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
, m7 J' u) ^0 o8 P. f7 o) X if <condition> then3 L1 h! e3 {) f# I8 x
<statement sequence1>;/ t" d5 L, j$ ?& N3 G$ }
elseif <condition> then" }3 m- x: p& o$ j7 @! g
<statement sequence2>;
1 k% w' K$ e! }' A3 @9 X- X else
4 h6 ]9 r, Z' _% d <statement sequence3>;" }; f3 h$ h, _( V: A: [
end;9 c& Y) ]0 ?) x2 L* A" P+ A
如果分支比较多，用：
( H. b9 ^9 p7 g& W) Q, A5 N9 C/ Q inspect <expression>4 v; k9 g: n9 f/ p
when <constant_list> then8 s/ S5 W/ z8 E
<statement sequence1>;( X, ?2 I o5 b ?' d: c
when <constant_list> then0 K1 q! i7 |2 F; U) a& r
<statement sequence2>;
" ?6 Q/ v$ ~, W5 W. U1 c, L ...
5 h1 S" o+ I. m7 H& U$ A else. j# ]' C: M# n4 o
<statement sequence3>;
% P$ E& R6 x( {, p. X" X7 q3 Dend;- i$ Y I$ W6 E- g
! X9 h1 N6 q) t5 R# k% T0 E
2循环语句
; m# L" `: D' m! N! S/ e3 ? (1) from <statement sequence1>( X+ g- u+ S: U
until <condition> loop+ b# [( |2 c3 s! Z( C- j w/ c! B& l6 y
<statement sequence2>;1 j7 P4 H7 w4 a+ E" j/ F& U+ ^2 E
end;" k0 s1 I( V9 _) d
(2) while <condition> loop
# o! c7 M$ c4 `8 T7 \ <statement sequence1>;; H1 Y7 m/ i% L9 e8 \( E# h
end;: x. H7 ?' N% J& n7 J+ {
(3) repeat
0 W! C9 y7 s, U$ l1 e3 W- _/ p- B <statement sequence1>;
: p$ Y7 J& |( b$ \8 L0 c0 g until <condition>;9 [) q# b0 ^1 A
(4) for <condition> to <condition> loop
! |" m+ w- S! ?+ G9 q <statement sequence1>;: [8 `) H# K) a- [+ @
next;# N( g! c* j5 X" [4 y; R1 j
3中断语句
! [) w' U- x+ `8 b/ W waituntil <condition> prio <integer expression>;0 x, `, J$ A) c8 f0 T \
1 D! j! O! U8 Y; Y* B/ V
0 v1 N8 N* d+ w0 U
以上为常用的函数！/ p7 g" }* ^- o& D
还有很多，如有需要我把资料发到你邮箱里
% d$ S5 _- [8 j# ^- Q
4 v ^0 U. r% h6 h, M# j1 k- h Q1 y2 t1 u
1 ^. b/ O }6 X1 j; C5 u
; V1 D0 @8 g# k( H8 U6 J4 e) a
. ]5 }3 a( s# E0 n* j& ~: q$ E$ d0 G
* o& r4 Y" X4 p: U& \; `! E* O$ U u6 s+ I# V
' g6 _% |; ?9 f4 B* j& p
6 J1 f! L: ~% T8 M$ O
! T1 s$ |4 l+ ]* h1 T |
|
[复制链接]
