|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句$ s, ]. x2 d0 R# R* H a( g2 V3 m
if <condition> then
: g& S$ \# R* j T# p" H5 c <statement sequence1>;
! ?6 N. `1 U" r" N" i1 { elseif <condition> then5 @. k# M7 l& j+ h" } t* V
<statement sequence2>;6 w1 v- Q4 n3 E8 |
else
" C7 e) w/ L& x5 }" z <statement sequence3>;7 w8 e: ~5 q4 [0 b' A& T' v- S
end;$ _0 f- q& U: M
如果分支比较多，用：7 F! H; x$ K; I
inspect <expression>
& q* r! z9 T- C Q when <constant_list> then
; \7 y8 W0 X. [- Y. C <statement sequence1>;$ u3 h9 u) B+ ?- f% K5 i- q
when <constant_list> then
7 Y" h8 D. s/ X3 h <statement sequence2>;4 f3 R U! q$ ?; r `( D
..." n! |" c7 h: q ?8 \' J' |
else
) P. A: [/ d) S2 M3 W, n% t9 j <statement sequence3>;% @( h5 f* d( z6 N) ^, i. E
end;9 S0 g Y, | R0 B( ]" f
- m. ^! r" b# g8 ]! f! |3 v2循环语句0 C! g- V# I' D- M; p$ V$ E5 _$ x
(1) from <statement sequence1>
# ?+ b& R/ k( E H until <condition> loop6 r h: B: p" F" z2 R$ x
<statement sequence2>;
/ l$ k" k9 m; y* x end;8 K0 Z7 i! Y1 W
(2) while <condition> loop. x6 f" Y$ N+ c% @" W
<statement sequence1>;
8 x% h3 t/ `) R) g, I: U end;* Z- C& p& E7 G0 P8 v# H
(3) repeat
/ n4 V4 b7 a9 S ~5 j5 o! i <statement sequence1>;
5 {/ {' G$ q- p; N until <condition>;
9 g% d( j& W2 C+ m% g: _9 T (4) for <condition> to <condition> loop% H/ y8 g4 f1 Y
<statement sequence1>;
7 q( G" s! C3 w, S, D+ j next;
- |3 z. Y: ~# J/ R* R+ u8 w3中断语句 a. t R8 I4 o
waituntil <condition> prio <integer expression>;+ d1 N( H+ }0 H& [- o/ S( J% k
/ S! [* E; q: b A! q6 `& C$ ~5 ] ^1 Q7 S3 Q+ j" [0 C& \
以上为常用的函数！" D1 y" X$ \7 _* d
还有很多，如有需要我把资料发到你邮箱里 2 E( d1 C7 I* ]& q6 J
; z0 N* E8 V2 z _/ m( C) @3 s% P0 L
G' b. s9 U" r# r$ _- Q- y, f3 _: e
* N' Z0 E* N1 p7 `$ y
/ ?9 R3 W* b9 _% [, @
2 w3 p2 p8 o3 z
6 y6 x9 ^& H0 S4 e
7 s0 a+ h7 [2 B& T" m7 f
" D( {2 L3 E: {5 l6 u* S 3 J8 B( z) e% Q8 o4 m; ~. ?, x
|
|
[复制链接]
