|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句7 T% z4 v9 Y* Z! {
if <condition> then
4 ?8 r4 y, j8 N% [ <statement sequence1>;3 }6 l, W+ b) {
elseif <condition> then
. f; ~7 u- ~6 l* Q% I! V <statement sequence2>;: ^2 |" P) k- X2 z% v2 P/ g- t" \- `$ S
else
$ Q5 u u# U' u( D7 W [5 T <statement sequence3>;
: ~+ Y$ j I$ S) g7 |7 P2 S end;8 c9 u; y1 J9 D% T$ _
如果分支比较多，用：
: I3 ^% G; ^+ I9 A- @ inspect <expression>
. X4 p, l' h' a% w7 x* M h) b f when <constant_list> then3 d: S O) n+ @8 e: s( ]
<statement sequence1>;- O( F d' z: j' j6 H9 e: N
when <constant_list> then E' \1 W' V) A* p
<statement sequence2>;
4 O& \& P. D, f5 n$ h ...
" d( K# J5 d9 F# y7 a else
6 \- I- M3 W" V+ P" Z <statement sequence3>;% ~+ F. p1 R& B& g; }# s6 z
end;5 C* p+ g* @: ~) g% S+ F1 E1 T! T
: o8 Y& w9 ]' l0 h
2循环语句
( d W6 ], f) `3 _ (1) from <statement sequence1>2 K3 L6 G% S7 \) h1 ?$ j
until <condition> loop7 H2 e% r5 d/ [5 e/ b
<statement sequence2>; `- r3 t8 B0 Y/ i) |% [& R
end;
( s- v: ^- F" R3 I) y (2) while <condition> loop, u! a+ k/ Z5 q+ B1 r! A
<statement sequence1>;6 E3 k0 h6 l/ e K6 g
end;( s/ Q5 \. j' `
(3) repeat + g* }, Q# I% o, d% W2 z- o
<statement sequence1>;
5 M0 {& K5 l) w2 m0 Q; e% K, E until <condition>;* P2 M; j' ~6 p+ C6 B, N
(4) for <condition> to <condition> loop
^* N& j/ H, M2 q& ~; A& i( h <statement sequence1>;
1 i% u( C" f/ \9 }- P next;5 H9 v, ^, r; v, w. D
3中断语句
/ w$ b" ^+ ~: k( h! T! h+ t waituntil <condition> prio <integer expression>;' u; N( N3 g7 U" O
# a' X% v. F, \+ d5 T% i3 {! v; C
7 O- c# b* b3 a2 }! `7 H以上为常用的函数！
* N' Z1 a. _8 ~! b! ~6 t' C还有很多，如有需要我把资料发到你邮箱里
+ q' u- s5 q- \6 s+ d6 h7 q& N. ?$ U3 m
; o8 {% |- p. j9 D0 v
2 K6 F2 _% S K0 P( M 0 \, ^3 s6 G" m* N; c" ^
. Y' ?3 q% x0 O. K( D5 G F+ D- y4 Q; q* j/ O6 Q) w
' \: i1 j& k( X- D% Y7 F) g1 S
0 p% q7 m3 D# k0 k1 K2 E
2 J6 P# L! w4 u
|
|
[复制链接]
