|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
( z; J5 M- u9 n5 N5 g) O( O if <condition> then" [. G& O* d4 h" N. M+ N
<statement sequence1>;8 Q/ @4 Z2 B" l3 ?
elseif <condition> then1 B1 `3 ~6 z; q0 x
<statement sequence2>;
& z2 S- E9 y" S) ~$ W else * q6 I; T; ~ i' T/ ^
<statement sequence3>;
& t5 r9 t# e. Y% e/ |5 d( Y end;
& Q! |$ z( e8 r6 Y5 F, H2 B1 i如果分支比较多,用:( ]( w* G9 r1 P; Z' x' p
inspect <expression>
2 K: N2 F: i4 Y$ B* P$ V/ j when <constant_list> then
1 y# ?/ x6 T4 p8 w' I0 s! T <statement sequence1>;
@; H5 i+ k: Y! u2 c9 X4 D when <constant_list> then
% T7 m' a" j4 a! t0 k <statement sequence2>;
9 f( {# d ` F; [/ g ...
" E* i! Z9 w' G9 M4 P: E" o else
& P2 \* k# \3 @! x4 z <statement sequence3>;0 R3 ?* C$ ]; w
end;
: [) ~; d7 @' c5 i
0 ~( ]$ J9 P0 G T% j2循环语句
) V: t6 d' s3 F, ]9 ]% `3 d- o; | (1) from <statement sequence1>
% b; T" Y% {- D; M- E* V) p: ~9 u9 N until <condition> loop/ d; P$ h. b' `
<statement sequence2>;
7 r# R( h" L) L2 y end;
- N: ^9 [+ d2 Q0 a" h4 C5 q (2) while <condition> loop& s' D6 q: \; [5 G! }' y
<statement sequence1>;
' D+ b) P R. T j8 F" K end;
1 Z( f4 X. r5 G (3) repeat
# A" }7 o6 N9 L" W* t8 O <statement sequence1>;" [' j7 L/ r( e7 l# u
until <condition>;
3 ?9 F3 z) j; V7 n0 y& M (4) for <condition> to <condition> loop' W& e+ S, X$ c
<statement sequence1>;
3 a. Y0 P$ N. P- o next;
4 g* R$ f2 K! v3中断语句2 H* ]& r5 |: ^' g; F( \
waituntil <condition> prio <integer expression>;
: @' x/ O# D, e4 e0 F$ ~- ^+ D8 S$ B5 V. L6 t% J; C3 Q
8 {" [9 Y3 V% ~ {* R以上为常用的函数!5 M. ]3 y1 h4 D0 T( f6 T
还有很多,如有需要我把资料发到你邮箱里
( V# O; W b5 d4 r+ G( O0 G! I i3 L8 o. B/ ]! E
6 a* c/ O9 p, j
" y) G$ d# _4 D) _2 f- E
, M" h+ s2 Y1 [- D/ @. s. W
. K- Z& L! z3 T
A" x# `* o0 D
( q, M- M' q" [5 v |( [2 ~4 o/ C9 @- E2 _
2 U; e0 y7 l6 i, B
& S+ t; E; y4 V+ `! O5 Y+ m |
|