|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* [0 |" o& k; r4 u- V& N# [
if <condition> then
: g, F* t) g) B+ W* X <statement sequence1>;
) t4 h' |, t1 `/ L2 v |6 K elseif <condition> then1 P1 \( F& ~0 T$ r' r
<statement sequence2>;
; C4 R3 |2 K$ B else & m/ P* `9 [9 g$ v2 t, G7 H9 A1 s
<statement sequence3>;
1 ~1 B$ `0 j- s ~# V( r end;5 o) C- F# |5 m8 G2 }7 v S
如果分支比较多，用：8 m+ j; L+ i/ ~ A* k
inspect <expression>
7 q: b {: a" k* O when <constant_list> then/ ^' ~4 P* m! j& n# w$ x/ F, f) S
<statement sequence1>;; @6 }: j0 C7 K1 c! v# M$ F* ?# R
when <constant_list> then
+ {+ z3 J t4 ?5 t; v+ F$ @/ c <statement sequence2>;
+ T" O8 Q2 r. U' _, V* x .... p& F% w7 ]* k7 R1 g: X: E1 O
else
8 _: G+ J: q1 _5 c3 t* \) G7 L# | <statement sequence3>;
. B. {6 \* F$ O0 M- w! g* Oend;
, J, T8 w% N9 d; f8 Y" d% O
8 V4 a9 |/ t$ I2循环语句3 g; o& Z0 P0 z! k
(1) from <statement sequence1>
. v5 o' R7 s7 g4 ]7 u1 W. F1 c0 E until <condition> loop
9 T3 o$ R- g8 P, T3 Z* {+ X$ S <statement sequence2>;" N. a% y' k) L* k" h* \
end;* z& w! ~% V% F1 r
(2) while <condition> loop
8 q, B# q X8 h; j3 `$ ? <statement sequence1>;
! ^- A2 b7 b9 y! q# n9 X8 r end;
% E+ E; e3 U) ? v/ b (3) repeat
. P, \- H3 x: O2 e <statement sequence1>;
) ]; ~" I" k6 k8 _ until <condition>;) h( s2 @5 f1 b. y
(4) for <condition> to <condition> loop
9 |! X% N+ X3 h! u | <statement sequence1>;
/ V& `% n H" m8 R7 Y next;
& F* S2 u7 G/ d. j0 ?& t3中断语句
5 U0 ^- S4 t S waituntil <condition> prio <integer expression>;
4 H8 ?+ Y1 \1 ?+ v. T
S* P- _, |- ^. Z" \2 X2 _5 M0 \. `/ r
以上为常用的函数！
5 X1 Q6 E! _7 a0 ^还有很多，如有需要我把资料发到你邮箱里 8 ~' m0 _0 X% _- o Y6 v
4 B" k3 H D& j6 P& S
( s4 Y5 @, n. L3 e. Q4 C' B
' o' ~. n' _# D, y4 Z1 C5 a : o, e2 Z: ]" w# E( e1 u4 f, u# O _
# O: _; ?# [! [
' b* s. c, }: A h7 K5 I
/ P Q, K& {; V! h2 f
/ Q# O. w' A% h7 h- V4 U0 H! v3 C
8 [* M4 E7 ?+ ?2 ~" B. o
9 H& o0 o. G7 f0 ]
|
|
[复制链接]
