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发表于 2012-11-13 08:48:12
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1判断语句
; c, X* h4 w+ h1 U8 ] if <condition> then' V' A7 y: G+ O# v6 S( h9 C
<statement sequence1>;
G) _4 ^4 k3 {( ?4 P3 v, |* | elseif <condition> then9 {2 B& Z5 S4 ?1 k# ~8 W4 ?4 D3 e2 \
<statement sequence2>;) a- Y6 v' V2 E" C
else + m( a0 {% I4 ~& S! h
<statement sequence3>;2 z6 _2 j8 _ L$ n/ v
end;/ P+ @ ~* t0 X6 e
如果分支比较多，用：6 f7 p, l5 p1 D2 k a
inspect <expression>% j; V1 v/ ?- U l- Y
when <constant_list> then
$ n9 _+ _' f$ J5 W5 Y$ q2 D <statement sequence1>;) R2 u3 X' c% T/ P7 Z% W# v
when <constant_list> then
9 s# G+ r& }% E' A z3 ? <statement sequence2>;- z) B/ p6 n* z# S* R0 a& @
...1 D& e6 y7 ] G0 _$ @" |; d. o
else4 x# v( G j# d# M4 |
<statement sequence3>;& Q- ]7 e& C9 y( D2 Y
end;& Y' W$ ~$ j; J. g' m V) N
; I; t. b0 V' u- \8 \5 J5 X7 P2循环语句
, o3 `8 `5 l) E0 c (1) from <statement sequence1>
( D) g2 _3 e; W5 u until <condition> loop% g* f+ O2 i \+ }% ^; Z
<statement sequence2>;9 }4 X% @# v3 d/ ~* x
end;$ q- j C/ k2 O+ U3 @4 ]( y
(2) while <condition> loop
+ }* D$ K1 ~3 l <statement sequence1>;
0 w, N% G! Y0 ]1 M end;
8 ? @$ J* z" a; Y (3) repeat
$ W# @( ^* j* q; T6 i <statement sequence1>;" Y( ~" H% x3 v( N! U# ~( Q
until <condition>;
' U1 a% l) \) k+ x" b7 O (4) for <condition> to <condition> loop
) }9 i! {" a1 A2 b <statement sequence1>;
1 h9 y, q4 S! ~% c next;
" o1 D, x% h% j( \3中断语句- F0 l0 ~; ]- n% J- e7 y* Y& R/ u
waituntil <condition> prio <integer expression>;% j/ w! X2 p( g- N
# _5 I: z0 ~& H8 ?6 {3 e3 k
. |6 E# g) I2 f6 Z9 z' m以上为常用的函数！
/ V8 n3 B1 F9 v+ D1 a还有很多，如有需要我把资料发到你邮箱里 - M) m0 b# ^$ t( u9 D% |# \
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