|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
( [* }2 o/ d) Z if <condition> then' }, \/ Z- V7 |8 g
<statement sequence1>;
; p% L. ~ h# M/ l elseif <condition> then8 ?# I4 S! b, u. P8 _$ z3 I, h# t
<statement sequence2>;2 h0 z4 D+ ?) }6 W
else
& G3 s# P W9 b/ t <statement sequence3>;; h4 Q S# d8 s' d/ i* |
end;2 q+ A6 R3 H6 u& q, ]9 f
如果分支比较多，用：
5 Z4 v4 ~) P! C4 o& w% ]: J. Y X inspect <expression>
0 G) h/ H/ E& ^# |6 t2 p when <constant_list> then$ R2 K. B+ |, w. W2 o+ p
<statement sequence1>;- X6 d; D5 w) _, y
when <constant_list> then
7 J& v) z* a1 e0 ]; _" N% P' c0 f <statement sequence2>;- j2 t0 _$ B0 n% i, L
...8 c h8 g& B" [: @
else! B7 ]. N8 R S5 O5 D
<statement sequence3>;
/ e3 t4 k9 R* M/ Oend;: a0 T' M" l; ~7 `2 P) T @
0 d# F# o; D: H# d/ {( o' g2 O
2循环语句% T. @- I- J, I; g1 F
(1) from <statement sequence1># O8 l" ^: L7 B
until <condition> loop
. M$ e/ V5 L7 M- \3 i <statement sequence2>;
. q3 ~* w* L% _$ S end;2 ?6 M, ~! U9 c) C5 [. U7 n# {
(2) while <condition> loop
6 p" i6 _9 A" r3 w <statement sequence1>;
7 h; i1 R! a# ~6 X# G end;
7 h4 `% Y) b; N3 F D (3) repeat " p' b7 z) D: @1 m
<statement sequence1>;
, e* c1 \ d- m6 O- W3 L+ l until <condition>;
$ p7 v8 o# \" i, }# `; l2 J (4) for <condition> to <condition> loop/ u% B5 e S) L
<statement sequence1>;' G/ k) u( a8 P$ x7 B4 W2 I
next;
! \. R4 x$ ]8 g. r6 G3中断语句
- B+ V( v0 ^+ P/ g waituntil <condition> prio <integer expression>;
( n: p2 [9 [, g7 F' e' O7 D4 Z) C0 X# C4 k
L. Q2 {% J" \# |8 m) X以上为常用的函数！
: P. e' L' q( T9 D6 X# R还有很多，如有需要我把资料发到你邮箱里 0 }! y2 g3 j/ e E# z$ Z5 d2 y
8 M' X: s% C: c' d3 `
8 i$ J5 i& m P
8 ?+ N) z& i3 _- @0 B( Z
2 Z4 J+ n" o4 e3 Q+ v2 K& G
" w! g) T/ Z/ B4 o9 X
! J/ v7 j' R/ ~2 c' @- K
) z' F6 B m7 j% N/ }0 q
9 O, _0 I: i$ I3 P
0 M' m: |- z( X( x: F% C7 W( m
, ~( m6 u$ V8 y: n, D$ k |
|
[复制链接]
