|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句% J; D1 b% _! A( b; c) m O9 R0 V
if <condition> then# e% A6 G: [9 ^1 j; d8 ]4 U; C
<statement sequence1>;0 O2 k% L4 a& x( @4 M
elseif <condition> then
* k' ^. m7 ?/ {( f, Q <statement sequence2>;
" m- l- K3 n7 F9 @7 [1 H- } else
" N& O& i) K. _$ {/ ] <statement sequence3>;: m! T0 s: C) f, ]' u+ V3 e' F# {9 d+ V
end;2 h, O( u3 l' ` v- f1 d
如果分支比较多，用：( c# t9 u; O9 I; S4 ~ p' h) k
inspect <expression>5 B+ k+ F; W R" x1 ?
when <constant_list> then
$ F; R+ [: u+ Q <statement sequence1>;, M% l7 E! J3 W% c( u1 M% ? O3 o) W
when <constant_list> then
& U: t% j8 t, Q5 r: w <statement sequence2>;
& w8 H5 d' H* T, g; r8 Z. q, j ...
2 l" o6 v8 Y# z% Y8 F0 E8 O else! c4 T3 b% i+ o6 h2 x
<statement sequence3>;
! g: @7 O- Y0 ]end;
, K h k7 o, d4 w& q+ u+ N" `3 ]+ I4 b# ~8 I6 e) F# i
2循环语句7 d& q D# `$ F: @! K# l: j. o; K
(1) from <statement sequence1>, p" z3 w8 w2 [: ~( g N
until <condition> loop
6 l3 k* O* S2 } <statement sequence2>;
* k. C* x- s( [ end;) w- c2 Z6 ]* S" f
(2) while <condition> loop
; z% f5 s# f7 |9 C- J <statement sequence1>;
& g* D. ]9 u) X end;
9 T9 z# ?# b& u$ d7 N1 C4 E (3) repeat
0 D7 E( i6 G$ Q3 _, E" F <statement sequence1>;) K: m% v0 t& L
until <condition>;
4 f. o+ k1 F3 z9 m: q1 v5 ] (4) for <condition> to <condition> loop$ N. r, v; g: U0 R: v L2 h
<statement sequence1>;
1 f1 w/ ]3 Z5 H' B% r0 P' I next;
5 I" ~9 x2 R( Q* q3中断语句
V, i5 B+ [8 v1 y+ u/ K* v waituntil <condition> prio <integer expression>;( o$ J! A2 g3 D# J k, }# C
8 ^9 [+ d' r9 m* ?9 C6 p( }4 m- s3 a' l8 I0 [3 f' S3 O D) L
以上为常用的函数！$ O' a6 h" N! O- G
还有很多，如有需要我把资料发到你邮箱里
3 [" t: H v( D) k
- {$ C2 x# U* u7 \3 T
1 ^$ i3 }' S9 p7 {1 ^; |, o" ^# b. G% Z* B
0 |8 F+ V# g L% \( G; i
0 q2 H2 r9 i1 W0 r% L# N" `( s3 a4 F) R ]7 c% t4 g5 p
' [7 H9 j1 k1 ~- f% H4 S1 g, k
& V, X+ n. W, y( y: c! d: N5 \! I0 b# x, U. J3 F1 p% j0 b
6 |, L2 d) I' e- P |
|
[复制链接]
