|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句5 P+ I- I |( k) y" E
if <condition> then
$ B& ^+ B+ @4 a. r s1 n, T1 [ <statement sequence1>;7 T/ H+ v) t J+ X
elseif <condition> then
' u* R. `5 S+ v2 r9 r' S <statement sequence2>;. y! Z" h/ T9 F2 u4 ~ G4 }
else ( O+ Z7 K+ a& n, }- c. c. X
<statement sequence3>;# \$ L+ w' C% v# L! J$ d. {$ G
end;
. u6 W# ^4 h# h) ?如果分支比较多，用：
# i/ K& N5 e, z; f% k& `9 A7 i( g% N9 T inspect <expression>- {3 V8 u% ^+ L3 M
when <constant_list> then
3 i! x( k2 S5 L9 N, @: A" c <statement sequence1>;+ J* o6 o7 X0 o: P' r! ^
when <constant_list> then3 Y7 t$ L# s1 @( m# ]. X
<statement sequence2>;
4 k/ Q9 G0 U- F) s ...
- _/ `& D- `( \9 }+ X$ O else4 R; q6 C1 q ]4 u
<statement sequence3>;; a) @4 {' \+ z b5 ~3 A
end;* w& r/ J1 u8 ~' v
6 w8 n, ?0 R) A# u- T; O2循环语句
/ x h' d8 ]& }1 r( k( F (1) from <statement sequence1>
% Q H% z- g( j/ x. B! ` until <condition> loop
3 t2 g6 j) R7 r <statement sequence2>;+ L0 O P8 R/ |( o4 ?7 z9 r9 q
end;, n; Q( M7 G1 m' o' x
(2) while <condition> loop
: P% m d f1 L6 g6 x9 i, E <statement sequence1>;
5 R5 b u1 ]7 H% l, ?$ Z; B. X end;2 J& a1 w3 u3 w9 U
(3) repeat ( t0 ^" @# j3 R7 U$ J I
<statement sequence1>;7 |# r) a4 u8 [3 B
until <condition>;9 K+ y* h' r6 w" [# x; D
(4) for <condition> to <condition> loop
F9 `: N9 ~: J( k9 J0 c, w# L1 B <statement sequence1>;$ Z* j$ S- A' _: p
next;9 m2 S* Q3 b" @; F/ B7 `6 J
3中断语句% x; X; _/ E" z
waituntil <condition> prio <integer expression>;
& Y! R% H5 c! l, ?, t) K: x' a& f& ~" z3 X% g5 H
: v+ _9 }! E! Y: Y1 x0 b以上为常用的函数！
' r$ r# g/ E, }' @7 W还有很多，如有需要我把资料发到你邮箱里 ; q7 a4 s0 r; U
2 ?+ m# ]2 {% i: N. g
! ]6 `' d' x* \* w$ d# m8 d
9 p, r. l! {2 K( u' x& _5 o& p* ^
+ w/ B7 \3 _) W
2 m2 Q u1 }6 N9 \
; a8 U/ r( V/ t' A+ V# S- _, i0 y0 ^; h* w7 j7 J- I( T4 S) R, G
- h. P) T" q c- r+ ]0 r: R
) o* o; v$ }" K7 B& f& F! ]/ b | * h7 {$ |; m0 i7 `8 s2 s; d- t6 o" f% L
|
|
[复制链接]
