|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
* Y: {" F/ x9 s( B+ r if <condition> then6 F7 f. x9 f$ C f
<statement sequence1>;! r3 Z) j; r+ v. h9 U
elseif <condition> then
+ ~# |: s1 | K <statement sequence2>;' Q) u# y# }- p1 F% L
else
1 c: c& W1 s' j4 P) |! `- Q+ Z& ^ <statement sequence3>;% g$ S3 p% h ]+ V n
end;1 N* l% F' c8 W8 R. `* B9 C. A
如果分支比较多，用：
! l" C3 r( K/ s2 S2 I, e inspect <expression>
' w/ l8 R6 u/ w+ {$ N when <constant_list> then* `/ ~" I f/ \0 |, Q
<statement sequence1>;
2 x k- I! C: P+ h when <constant_list> then
5 D" U: B3 w: l, P) D! H# f9 U/ M <statement sequence2>;- w8 i* ~/ x( S% u/ X6 w% M- m' m* E
...) _* E3 W7 K N. N8 T
else
4 Y3 T3 B' _" ]8 P& o5 s, S( Y <statement sequence3>;. A/ C5 C3 F' u' T3 W& W; s" U/ z, t: l
end;4 h7 [9 `3 m1 u
2 k. S7 J' w. u- J1 R2 |! q' \
2循环语句* L" G3 \" g J
(1) from <statement sequence1>4 S. ^" Q! S* ]4 k1 l% k
until <condition> loop8 ?, f: E& s; b
<statement sequence2>;
* h- j; g" G+ q) f' i; y8 q end;! p* \3 }5 H9 O& W" [
(2) while <condition> loop
1 V2 t9 i9 Z& l5 Z% n* ~! { X <statement sequence1>;
( }, h0 O6 K, w6 A, F A3 m end;
6 f @" ^# O$ i& S/ A& k4 K; T' P (3) repeat
1 ]% ^4 j4 U7 N <statement sequence1>;; Q% P# `/ q% z/ _
until <condition>;4 e* \) i% Q: E0 o; P# O0 f; T
(4) for <condition> to <condition> loop$ v+ j9 t0 ~4 t" I4 U* f' ]: }
<statement sequence1>;5 L" L7 R- B& j; x5 g
next;! s# X8 O' B6 x Q& {! O9 P6 a- f
3中断语句
" i2 P+ j, F6 e2 O waituntil <condition> prio <integer expression>;
: D+ d5 @' R9 K$ c, S6 E2 c7 ~+ ?! m/ V) R
/ X; S; ~& x1 d" c5 x6 D, j) r
以上为常用的函数！
* ^+ c# V" h/ r7 e/ N还有很多，如有需要我把资料发到你邮箱里
" _1 a5 X) C! t$ F
]6 D" S- M- _) L# J0 Z- A" d6 P1 W# |9 @
) H4 E5 Y+ c6 |9 R
* x" C6 H" ]1 F7 b" t1 Y; H L- F8 P7 l9 E- z" H
. r$ H' J4 d& F. Z( n
9 ^' A" o9 W/ j& m1 Q8 }+ `/ v& m) ^6 f- J: w# w: @' `
* a8 W0 D5 J$ |+ w
$ C+ K$ ? Z* e, e" ?. j |
|
[复制链接]
