|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句; s6 X: h" i$ |- G! m. i: e
if <condition> then
# Q/ O. X& q5 Y5 D5 p h' ^7 i <statement sequence1>;
2 L) }9 r' q* Q) t9 q elseif <condition> then# s1 Y/ b$ i/ |
<statement sequence2>;. Z) T. k- ~* Y3 U
else " K! @: D- k! R# _$ o
<statement sequence3>;" ?6 J- C$ e" P3 y* u$ a9 D5 g5 a
end;
8 g) q% J# s3 U6 p) Y: S如果分支比较多，用：
( n7 A7 Z) y/ W+ I inspect <expression>) |2 N3 v$ D7 W2 y2 s0 @0 H
when <constant_list> then
7 h& J8 J) {8 f: l+ C <statement sequence1>;5 w& b, ^+ }) y; k. b
when <constant_list> then
5 f, A% F# n3 x: m4 N8 K- K# { <statement sequence2>;
u# j( _ V7 U- q ...5 x* P: c# M+ k
else3 @8 T" D" F! j% |! D% a
<statement sequence3>;
$ [& L4 a- { `# g2 bend;! U" {* J* Y6 H* N/ n K
( {( p+ k1 h v$ l7 j
2循环语句
* J% a4 ]* y# l( S$ D2 u4 P& k (1) from <statement sequence1>
8 w( B; v+ c* T( G- F Y/ c. N- p until <condition> loop
0 m" h. \& K" ~; r- k0 k1 u& w <statement sequence2>;! B# Q. c' Y' s$ o
end;
0 _3 Q( l2 Q2 N0 j* z7 p" ~ (2) while <condition> loop
9 {# A) Y( D R& k <statement sequence1>;
$ T X: O, D+ q6 S% Y, \' _ end;
6 R1 Q6 T# q% j- e9 ]5 _ (3) repeat 1 Z7 |7 O" M9 q N |% K# [
<statement sequence1>;5 }1 h& ^6 `& ?8 R
until <condition>;
8 D+ G4 ?' O3 ^- z (4) for <condition> to <condition> loop0 U7 v z9 o& \! @! ]7 }
<statement sequence1>;7 c) B' [% u. h' I$ g! I- h
next;
+ p# D3 ?2 ^! h; O. }- X. K0 O( `) X1 e3中断语句3 n; T% e1 b$ Z, x/ q
waituntil <condition> prio <integer expression>;" g6 s2 y& V7 G* ^# r* Q
) m! ~5 h+ v5 ?0 b+ S% e# m3 Z
+ Z! Z' A/ g T) z& ]; J! F( }
以上为常用的函数！
& a7 r# G; i* |' O) V5 i' y还有很多，如有需要我把资料发到你邮箱里
: Y) [- J) l/ Q' D
' M' t6 h0 i: D d0 b2 w6 d6 s5 @0 S* }! s
: a0 K( d: H Q* A3 I! W Q' Z- B% t3 ^- f4 w6 \
6 r2 |8 `9 ?9 Z4 E* k6 p6 K+ w% K( U2 D" U% B
3 ~- j; i0 g) C: s* S; F/ G
! j2 a' w7 n. z3 J7 W
, H+ O: t0 F/ N1 i1 [
0 x' J8 i- N+ n9 `9 i
8 s% w1 n! D; ~/ ]7 x! W7 {6 @
|
|
[复制链接]
