|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句% f: y( l% m, v4 ?& k9 U
if <condition> then
. G9 N0 G: R7 f/ | <statement sequence1>;; c( _5 z4 y! ~; c! s% ]. T4 C
elseif <condition> then; n$ H6 E( j& M4 P) G) k
<statement sequence2>;
/ F4 B+ {8 b7 x$ j0 k* ^ r else
2 E5 O, h" A' M" f# L$ `) ] <statement sequence3>;8 ?/ \' {: l- C" z+ h7 S
end;
" e, z$ F) {0 t. F' F5 }* a: ?如果分支比较多，用：* s/ j4 J9 [3 ?& K, q
inspect <expression>
& g* [2 S9 G% Z. x- Y1 b when <constant_list> then* N I; f- {6 u$ C. l$ s# n
<statement sequence1>;+ ^1 |5 N& E. d& n% u: X) k
when <constant_list> then
! n2 m; s& @% b/ |$ F <statement sequence2>;0 W$ K0 U# F3 J8 c# Y
...
3 w9 {3 f1 I7 Z% Q. s else5 w# z3 `4 M m& n6 ~- i
<statement sequence3>;/ ?8 s; a, n/ F1 x
end;7 [; _# L0 P$ _: q4 G4 s
/ L! v* a( K; X+ _2 A9 x. }
2循环语句* F# a' i! \* _7 |' e
(1) from <statement sequence1>
$ k1 ~. C, a/ _8 C7 k& j until <condition> loop# @/ _8 x+ u. e4 s( n: k
<statement sequence2>;
+ i/ Q5 u( x% O0 n0 ?6 q9 t) p end;3 T; j% Y/ s# t
(2) while <condition> loop% }* A/ A5 T$ @4 x$ d5 k" n
<statement sequence1>;
: r/ a' D! D6 i7 R end;* z; o' R* j8 h( [' ^# I& q
(3) repeat
$ F% b9 Y0 s! n% _2 V9 x- B <statement sequence1>;9 x* O' ^% D/ N& T- }/ w
until <condition>;
$ O' K& d+ l$ k1 \( P; { (4) for <condition> to <condition> loop& S9 ]0 a$ a+ s$ ?2 {, x/ v
<statement sequence1>;
, T. e- K- ~' S4 o! M4 ~ next;
! B/ G$ n3 V# a0 [3中断语句
8 p M0 f/ ?& t2 {* i$ M0 d! y waituntil <condition> prio <integer expression>;: y0 U' r. v& K& a- n( I' P a
: N. X8 X' [* y7 ?& W4 a
: d9 U8 P2 D4 G, {0 p% p
以上为常用的函数！) D! e. j) W& o8 \* X/ F
还有很多，如有需要我把资料发到你邮箱里 : g* ]6 L2 E1 V F$ C
- S) q2 }5 s! P% A. O) [' ]. o
! U/ P5 v; j3 ^. j2 \
2 ]5 r8 ^7 r* u+ B3 k
I( t: U d' \, _
% `7 Q/ T+ ^/ D" v& G/ I5 K
G, e/ P6 D ~' u# T4 g( M: T2 y2 Q0 h
* r: z; F7 `! ^7 G8 Q
2 V" H. R& R$ R* ?6 W: M: B " g+ J; [- i$ b$ d! P( K
|
|
[复制链接]
