|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句2 j9 E2 ~" E7 S! g, a5 o: t% a
if <condition> then
: Q) {0 n$ [ V1 y <statement sequence1>;
* @8 m/ L6 b. Q1 M* ?0 I5 F0 v elseif <condition> then
2 J8 N% \3 r9 b) Y4 B4 ]7 l( v <statement sequence2>;
9 c: i6 N+ W2 I' x8 p7 o8 B2 z else
4 |' W( _7 k% V% z8 L" \5 c4 p <statement sequence3>;# b, h7 G7 a1 {& P. |" J
end;3 W F( H1 _- r$ h. e
如果分支比较多，用：3 }2 x# v# R' M4 p
inspect <expression>9 [2 H2 l0 o" x* P
when <constant_list> then/ N6 {7 E1 E2 x7 F
<statement sequence1>;
) t4 ^5 c* I5 L. ]& Q% [, A2 u when <constant_list> then, ^! _9 R" ~$ q F/ w
<statement sequence2>;- i1 V7 l9 w9 \9 }% A
...) x, t9 V) F) H* e I" x% {
else: Q1 I% \$ B$ Q. k# w
<statement sequence3>;
9 T/ L* |3 `( \- Y, ~" |end;
3 Z% K6 S+ i9 d$ s+ Q! n3 H, W/ @2 a8 ]4 i! r2 a/ F* h+ ]
2循环语句- x0 c' ^; S( m$ Z- @2 M8 P
(1) from <statement sequence1>8 \# c3 ?3 A: I+ b, |/ _$ }
until <condition> loop' D$ C M# O- @$ O1 y$ U& [
<statement sequence2>;$ C' g7 U+ j0 ~7 x5 C
end;" k& }! K6 n+ |6 N/ J: g' \
(2) while <condition> loop
& E+ f% S6 o0 l <statement sequence1>;
5 \. ]! ?% U: m. f8 y end;
! r' `- b) D0 `/ v4 T (3) repeat
; g7 F/ A7 k; V. W" ` <statement sequence1>;
; r! l6 I' I. C' o! b+ o' }# j until <condition>;
+ C8 u$ e$ F/ P# f" H: |# ~ (4) for <condition> to <condition> loop& Y6 G0 t/ R+ @) w
<statement sequence1>;
* R. a! Z1 R& b next;8 }$ m! ?/ A$ x1 b+ G; D
3中断语句" r1 ?8 B7 { t& f& `- X. n2 @* n
waituntil <condition> prio <integer expression>;
; C, N+ I1 Z. \$ O
2 z* b1 X' l" s \) q1 C ?# l1 A. j) m+ q6 E* A' y" [( }/ d
以上为常用的函数！
& H1 S3 P8 k9 R, {+ P; Z n" L) ]还有很多，如有需要我把资料发到你邮箱里
8 _1 o) |. y0 {$ N# E% ?; i1 N$ w$ s7 U( i) v# B* w% N# `0 ~* |
# P2 |2 |% L6 \- Z* C3 V% f$ X% e9 w* A
- k# b7 M+ K( |# F
3 k, D# ?) |/ W7 ^
- l! m6 S) w( k, I- P2 [1 ^7 N9 u& Y1 W* A8 E
5 x5 Z) G( k1 v& _+ i& p3 m
! ]! h }- f/ d/ W 9 K& ?! v' a" T9 J; q% e
|
|
[复制链接]
