|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
8 M2 P) |8 V* {( E" ^4 s! y/ K' E if <condition> then5 v+ Q' T f( ~5 L% N
<statement sequence1>;) D% c$ V' }1 t/ w7 r0 T
elseif <condition> then
9 t) f2 K, t7 `$ ]& o0 g <statement sequence2>;
" k, s4 t+ S. b. t else
; R g T4 R1 I- ^/ A+ a <statement sequence3>;
5 }8 N# k z' f2 D end;
7 L# N8 }' i: f如果分支比较多，用：" Z O! O# \& _& a/ x/ X
inspect <expression>8 K. s R. O" y- l7 _
when <constant_list> then! y# k* W& j; J; P
<statement sequence1>;" G9 }+ A8 Z3 p% T' t/ I1 g( x" a
when <constant_list> then: E$ _8 t. ^) d! t3 Z3 ^ C
<statement sequence2>;
+ U2 y) `$ D2 w. e ...
- \; f' b) C- ]3 C- s# H# I2 U else
6 l6 D; K8 h; m9 c% l1 f <statement sequence3>;* K) T; Y. k8 `
end;
# B$ p+ _# W5 k/ Z- W# \
- O0 N ]6 \ o. u9 `1 ~' `2循环语句% d. i5 _; C) Q* ? `
(1) from <statement sequence1>' D+ p% h, e) _6 [
until <condition> loop$ r+ b( ]1 ]: z' \2 b) U+ p
<statement sequence2>;
4 f3 [( J. `4 u+ o: ^ end;
- R( t( H1 x/ Z (2) while <condition> loop
2 G$ u \% o5 H <statement sequence1>;
! d B5 h k* _, p end;
+ T2 I$ S4 ~+ k6 [ ?, D7 Q1 ^ (3) repeat
4 @; e" O2 _& Z1 t; q5 F <statement sequence1>;) e6 M- x1 R1 B: ~4 `
until <condition>;; A S9 ?8 d/ N8 n
(4) for <condition> to <condition> loop
" a8 M, R+ q! {% b& f( k <statement sequence1>;
# Q( o$ Z- \3 {+ T1 c! V5 _6 Q next; o( }! a- P. M' b/ a; w' Q- F
3中断语句/ \& {. ^* {' Z5 b% p
waituntil <condition> prio <integer expression>;
1 o0 g: e' S2 x
3 h4 m) T9 W0 P$ F, q1 s8 ]) A2 {" x5 H8 \/ W. K
以上为常用的函数！! s# [0 r! j9 Z5 @( U
还有很多，如有需要我把资料发到你邮箱里
3 z% K& C% R3 F- w Z! K: W1 f8 S% w
! K9 l9 Z2 e5 m# P0 ?: F
! r0 Q3 f# J; r" D
1 M. a3 W( R1 Z+ b! A9 i& A, i
- A/ e" S# T! ]0 u- y+ P/ Z5 r( r3 q) \( ], N e' t
; t( f! z. i9 t: b# }
* C/ ^( D4 X! W$ S$ C& X: l/ R" L) a7 j- w; K- q7 x8 |
! {$ T4 |" r, T1 C
) X! H. `4 O, ?+ h' D/ ~4 Z
|
|
[复制链接]
