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发表于 2012-11-13 08:48:12
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1判断语句5 n1 g5 b: S9 }7 W" j
if <condition> then6 V- j: @9 t( D7 x2 ~3 Y' q G. R( r i
<statement sequence1>;
0 z+ \* K1 b% ^5 } R; l elseif <condition> then
+ y" y- T$ ]! O- A <statement sequence2>;! r, X& k. O1 C8 c+ k1 R( s
else * M; Y" o: ]0 `/ h
<statement sequence3>;& G' ]! U3 r- y G
end;% x. V! ?7 A5 j
如果分支比较多,用:- T a$ _3 |8 {3 O/ O5 ~
inspect <expression>
3 M7 I/ @$ E3 V! m' X when <constant_list> then1 _$ K1 c1 U7 m/ P
<statement sequence1>;
+ K: J, E! T- g i$ @/ }/ ~$ p when <constant_list> then
: C0 D% S/ s" w- ?" ], _6 p" K; l <statement sequence2>;
9 F# U; @+ {% i, q: g ...
5 o8 i) B" P! e7 q; `& H else
( o& Q$ n& l1 D% \% z <statement sequence3>;
. ?# S X2 k# \: z- d7 X. Nend;
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2循环语句5 ^5 {) o0 U# w+ g8 [' o
(1) from <statement sequence1>
- F# p7 y, u! ]& D5 e until <condition> loop
+ a) ^9 a+ b7 ?; L <statement sequence2>;
( y/ {2 f5 Q8 r3 a: v1 I- w& h' [ end;6 @+ W# R9 K4 T* i k+ W$ f) W! r
(2) while <condition> loop B9 h* `( e! z
<statement sequence1>;
. O, N1 f, M5 s' q( }# ?8 {: d end;: ?0 H& Q5 {! N, R( ?5 Y
(3) repeat
# X( P# g3 U: C- d6 o4 K <statement sequence1>;( T+ x* m2 s$ I$ y. w+ f( G
until <condition>;
& Z% J6 q1 m# z* D (4) for <condition> to <condition> loop
! L( v# P$ ^3 O" e2 _* G <statement sequence1>;
1 v+ G+ m- ]$ l# I next;
3 W: p. m f3 ~2 m8 [2 F9 Z3中断语句+ S8 u5 }" }& n) }! q
waituntil <condition> prio <integer expression>;
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7 z0 B6 A6 {6 f4 W以上为常用的函数! u7 X) v* ]1 J6 S4 O( F
还有很多,如有需要我把资料发到你邮箱里
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