|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* }6 x* x) P# D& d
if <condition> then
e/ T4 M" R+ K- G) ^- z <statement sequence1>;
5 f& `' d0 ^7 m( o4 `' w elseif <condition> then2 j& H ]( b8 v0 N; I" i% k' j
<statement sequence2>;
l6 B+ w' e" ] else 1 C. R5 t j( d' Y7 ]* x
<statement sequence3>;* E% s/ [/ X) t) j+ v l1 x6 S- z
end;
" _7 b! f0 v5 _ J: O4 T如果分支比较多，用：) ~ Y' A- R6 D# ^! i% G2 ^
inspect <expression> P0 I! J% X- ?7 s
when <constant_list> then. d" E' F1 h% m5 J3 ?
<statement sequence1>;+ j0 U3 R& E1 J5 J1 M
when <constant_list> then
3 j8 f* p8 i9 e* g, G8 j! r <statement sequence2>;. u9 H3 e/ {# C! g2 m! }8 Y3 z/ Z
...
, b/ u. J5 j8 w9 x: Y6 R5 ]/ a) o else
1 t7 R' q3 r0 P1 t+ a; X1 V <statement sequence3>;) d/ a# `, q0 u d1 ^# e( x
end;
4 ]+ E" d; j, l9 H9 L1 ~1 h; h* x
2循环语句
0 r/ {5 V5 g: v: x$ p0 v: R (1) from <statement sequence1>
% F7 ~$ t2 v! p; [1 D# q until <condition> loop6 F# I" N$ u, N* j0 S9 E
<statement sequence2>;
4 t1 |9 X; G, t8 W) y end;" p6 h3 b* L* C2 g$ c/ [! o# G
(2) while <condition> loop
- ]8 _/ \. p, @, N, Y# | <statement sequence1>;* I% d2 E3 m& ^: k7 M
end;/ T+ x ]) @7 b9 U
(3) repeat
6 u" [8 d |9 P& E <statement sequence1>;
, S4 k3 t, l& S- d until <condition>;8 _0 H/ i/ O: R/ m7 n
(4) for <condition> to <condition> loop
) G8 w' I/ r- T5 j) t* s$ H <statement sequence1>;
; Z3 O. @. _& w; q" X+ t2 E next;
9 M8 D9 k$ r7 H: p, W1 U ~* v8 r3中断语句
' k: i6 I0 M' Z& b! ~8 C- q waituntil <condition> prio <integer expression>;4 G. ]+ }' g' [5 M1 K7 {, s
' }6 ~( f! K$ B% L! s* o
" B! D5 W0 x1 e' }以上为常用的函数！
: Y {6 g# \* w- ]* |) i还有很多，如有需要我把资料发到你邮箱里
M- [$ f. U% t8 ~9 y) h S1 Q
4 s3 _# {5 G. g7 z/ K- w5 g7 V) V/ {! O3 o2 z
0 ]# y X9 {) \- C
+ U( w: r ~/ ], T* c/ q+ ]0 ?, j/ B1 g5 q( S( n7 J
* r5 A; p H3 F- {2 v
+ Z$ a! O" ^5 }, Y7 U. |- I" S7 |+ Q6 m& F, P+ I$ I( C7 h( u4 L
) u- m- y! j. k, M1 K: o- z
/ u; g2 v2 v- Q9 z( R( J9 F' Y& c( T2 _
|
|
[复制链接]
