|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
- I3 l9 g- \+ k$ J% H! b if <condition> then% N/ @, C, _* I/ b+ Z6 n0 U" [
<statement sequence1>; L7 Q& a( i" _% ^5 i
elseif <condition> then
+ g4 b- ?1 _1 |3 Y# S# S- E- S <statement sequence2>;8 P( s1 |; b: j! C$ p, P3 E- N
else
! S" k& E _9 o$ E4 T2 i3 R/ H+ ? <statement sequence3>;
% N3 W/ {8 q! B- E$ E/ R end;
% ]2 }' A! m- e% Q; D如果分支比较多，用：" {5 y( U" J9 h8 O
inspect <expression>9 _+ m0 Q* Y, e1 M6 j/ c! p* E. P
when <constant_list> then4 y4 o( h5 t( V2 A
<statement sequence1>;: k; z- K7 Z- C- G
when <constant_list> then
8 i- B/ ?" ]# _1 E <statement sequence2>;0 n& m/ \8 v8 t
...
! e! y, E; L7 u5 d6 Q4 S( g5 B else8 S7 G5 `( V1 T* L/ n5 ~
<statement sequence3>;5 } [' Q2 u5 q' F) C. C5 g. C$ Y
end;
( Z S6 V/ h0 f" l
* X5 |8 l$ H& a3 ^2循环语句
/ ^, F a+ h% d! u3 `* i (1) from <statement sequence1>
% b% M7 ^0 c9 @ until <condition> loop
1 n+ f7 Z% f- r* k, k5 ~. p- l <statement sequence2>;0 l4 \, c( a4 t9 |4 ]& e
end;
: B" P( D! f" q# D( @ (2) while <condition> loop" n. k" i% Y' i: Y$ v
<statement sequence1>;
2 a, Z# Q( e1 ~ J' ` end; ~( D& @$ |, [5 a( I: ^
(3) repeat
- o$ l. n7 x& Z1 Z <statement sequence1>;- d8 U; f; c$ l9 O0 n, Z
until <condition>;
8 z1 M- d0 v) B }1 F+ h1 V (4) for <condition> to <condition> loop7 p- V _7 r$ |# L% p
<statement sequence1>;
3 b' e: z; \# {* z next;
, r' A$ m9 L" F+ T3中断语句
$ ]+ F4 T+ T5 F" {$ @ H k; ^ waituntil <condition> prio <integer expression>;
) {8 J( P& T$ ?2 j3 u3 h: a$ d( I0 h" s; j( S. h, v/ l
$ w ]" n7 z/ M
以上为常用的函数！
% \! d+ ~- E4 O还有很多，如有需要我把资料发到你邮箱里
2 L7 f: n' m# |# b. x
' w. `. n6 P4 D, r2 k
+ E& p! i% G$ g4 ?, i* w ^
( J! b8 [0 L* b ( j" t2 r4 O+ g" r6 K
6 ^: m0 F- Q) |3 X' F6 d$ p
! O7 `* K* a; Q) \0 g; \% O; r4 c# S' J
% I" `" A" a( W ?% S2 E7 U* v l/ L2 h
1 Y/ |+ W; ]! @+ b& y! O
|
|
[复制链接]
