|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
0 ~# M, i1 q, J$ F! @ if <condition> then" P2 G0 b6 ^, A/ @% u5 k
<statement sequence1>;
5 i3 H( {4 p6 o% w elseif <condition> then
3 f) P. o2 A+ R1 N3 `! l <statement sequence2>;$ n3 J2 _( G2 f) P9 J+ t
else
: c# c: N- n; n0 f5 h) J$ A <statement sequence3>;" o# N4 a" K ?; o, R* e
end;1 u) W* S4 m) m! o& W% Q, A
如果分支比较多，用：
5 L% s4 b! y1 \3 f9 j% ~ inspect <expression>
% c# v! Q/ b9 n7 M2 P; f6 @ when <constant_list> then$ e: h0 N( A* o2 n; A: Y+ `, ]! Q
<statement sequence1>;- r+ S0 i+ C i% l+ p' l
when <constant_list> then8 v3 @) M8 e, I* v% A) ^& T
<statement sequence2>;) m" [! p8 A- j/ ~
...2 J4 r) W, t" }, N* n! {
else
5 c5 U' z: F0 g8 ]# z1 n& b <statement sequence3>;
" h! h$ P- m& @. v' Cend;
a" ^2 ?/ z4 e. Y( @5 l3 s* H, Z) F
2循环语句1 t& P6 E2 I& N; U
(1) from <statement sequence1>% y" z8 t2 w1 E
until <condition> loop
& U! ~$ [4 E& J# k3 U <statement sequence2>; m$ A- I2 ~; G8 @! v A
end;
6 h+ m* N+ f( E* e" P (2) while <condition> loop
H! ^+ V2 M& r: m0 A5 ]7 l$ { <statement sequence1>;8 ], s! F; t+ \7 _- t
end;7 k- j" J5 U. C% X
(3) repeat " k, I+ g/ B! L
<statement sequence1>;
! M o$ P) C( a+ O& ` until <condition>;
, E# j* F; e" z7 F, e' u; s (4) for <condition> to <condition> loop
) |! y) y* O7 T- T <statement sequence1>;
8 B, o! n2 b1 M8 D5 i next;& r% R0 ~& N! k$ T2 d
3中断语句3 Y5 M. J. `( f5 j9 T; F( b+ q
waituntil <condition> prio <integer expression>;
- {/ I- o- t. Z+ W' O0 I! f
2 ] j. ^, J i0 b5 i" @
. E" W1 I7 G( a' ]$ a+ L以上为常用的函数！" Y5 q) F$ @; `6 ~& C# Y- h' j
还有很多，如有需要我把资料发到你邮箱里
$ n% M/ t% ~4 r0 f0 O4 e
$ e2 u* Z! _* t* m3 f3 {9 ^* x4 [+ u1 {) ~" M. m$ W$ n
( }! s+ O9 B2 W4 f* c) Y
5 R2 P! Y: v+ s8 z$ r1 u3 t3 t
. m& M* k: N2 h# _# Y( a9 }6 }0 {" ]! u7 C! @- D6 l5 J: Y% o. N
! s( {( H: L- p; g4 d7 N' ^
: o2 `3 K) _) `% }" o: H+ Z) _$ K, a
0 a: T$ {" c7 v# M: Z2 O) c9 [7 ?
|
|
[复制链接]
