|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句& X; f# _ p0 k+ Z& _, r
if <condition> then
, e' {! b$ N: D$ O4 z, `2 Y/ E3 Q <statement sequence1>;
6 b% f. I1 H% N0 D. x( T9 G2 I1 s elseif <condition> then& v, n) z0 ^7 G5 ] n2 \
<statement sequence2>;
# `7 W# N( a0 Q/ | else # Q5 n# x8 `' a4 Y8 _, A: ~" ?1 c
<statement sequence3>;
7 A4 r% R! D4 S end;
& ]. M$ t- A; W3 O( ]; a5 _如果分支比较多，用：
8 P7 A- d' ]3 J inspect <expression>- g* I* a; X9 d; G1 D8 }
when <constant_list> then
2 A3 N; i7 [- b+ j <statement sequence1>;
8 v, O/ d( h; g when <constant_list> then
7 M4 R; T# p# j* {+ y <statement sequence2>;
1 C- G6 [ ?& C2 ]" a) ^ ...
( p% J; ^" {! l else
- K7 F, z: m5 |2 g- c" Z <statement sequence3>;; {8 K( i& q q6 `% J$ h6 F
end;
, q/ a/ o0 o0 f
9 G: ~0 o7 \- M* y5 b6 {2循环语句 C8 V, k' G: k. d& D! T2 h5 l
(1) from <statement sequence1>4 I- K) x- F9 d5 c
until <condition> loop
; n7 [" t6 V6 z; V <statement sequence2>;
" K' q4 _) B" l1 C- i6 I* t end;
* j8 C4 n* l% N: O (2) while <condition> loop% f- `# r6 V: ^9 }8 T0 c; J! }0 d
<statement sequence1>;
% G, x4 Q( J2 P8 `* H end;, ]$ x, E( t8 ~1 J
(3) repeat
9 M* r1 j6 @/ F <statement sequence1>;/ s% |. x: }# l+ [1 I) ~
until <condition>;
( e, P" ?7 a( j- F' L- x$ P (4) for <condition> to <condition> loop
) b7 ?# A0 r4 ] <statement sequence1>;
! N9 f* O% Z& m1 \ next;: o& E/ f, Q1 }/ d& L" V
3中断语句
# H/ p6 d, @: } waituntil <condition> prio <integer expression>;( z5 \1 p' G# g
! }$ C5 a }5 c" K5 G0 c; S
9 i1 F5 q; b6 ]8 O以上为常用的函数！
0 h# ?" y2 G- @# I还有很多，如有需要我把资料发到你邮箱里
! u( ]$ a& a# d$ |9 A. a: h( [' T' L: G# \7 p) Z+ f$ ]
( k) p0 e- A" T% k, V* R- r7 z
; G; i! v8 ]+ \/ f
8 d9 R2 J! ]6 M& M1 u+ X& S2 f8 U* q# ^* Q7 w6 M C d/ h1 r
+ g: A2 K* B$ t+ c2 j2 Z
: `' E p$ _' i2 X; o/ i4 T' T) ]( a, ?
' U9 f) ?6 `4 G
& ?) N+ ]4 y2 X# ]* c |
|
[复制链接]
