|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句, q1 `+ f) L" H" v" z) N
if <condition> then9 S' M% Q( k; Q, R0 |3 A( M4 l
<statement sequence1>;
5 o, A( x+ v F0 z( f elseif <condition> then
/ ?# e; |! l" W <statement sequence2>;+ U( t* D4 A2 \) f3 L
else
6 T$ Q' c% ]8 G c. C <statement sequence3>;
; I7 D# Q# y3 h- x' o, X end;6 b+ N# z. m" L& x# g' H5 m
如果分支比较多，用：; p+ c2 V; p' X
inspect <expression>5 }' X% j C3 o2 P# K c6 `
when <constant_list> then) l/ |4 C+ [/ w' I; f
<statement sequence1>;
+ \' i1 b0 k2 b( [% i1 |9 R. v when <constant_list> then3 y; M1 I. T6 Z1 M9 H# K
<statement sequence2>;- ^& l7 _: _' t+ ]* n: u" x" W; l
...
# }" J! ~$ j! m- z else3 s9 v" e3 |# a7 H6 ^
<statement sequence3>;, v1 |/ S' h5 u
end;
9 d6 |# m. s) o9 u2 b8 Y3 {5 P5 A- I% e; D' O7 b3 G9 ?: u
2循环语句
7 {. m7 b- E% V; |6 y/ n: k (1) from <statement sequence1>
- x/ N" y) g) g8 }" ]( _. W until <condition> loop
8 i7 B9 W) b* {" P <statement sequence2>;
" Q1 F! ^& `, B. F end;
* W9 f+ U4 F' ?" B; k (2) while <condition> loop, F! ?6 Z7 |+ M0 b
<statement sequence1>;
0 j: @; R" h }8 Z) `6 ^: g' R end;
- w! @; A- X" d; o* J, I (3) repeat " k( o% f+ H) x7 _! Y6 t
<statement sequence1>;* _* H* r" g9 }+ }2 ?7 a, @
until <condition>;
# |* }/ H2 m) Q( O$ ?) r3 c (4) for <condition> to <condition> loop
! f9 P" H0 v0 p, Z! C0 d <statement sequence1>;3 L D1 ~$ N/ v" Y( i5 K( y
next;
- j* P/ ]3 H! U9 |: F3中断语句
+ _! I# P% g k) H4 M0 P waituntil <condition> prio <integer expression>;
. W% G/ G. U C7 j! t
0 L- n3 z3 Y6 K! w7 S. n' O% F; x, i' t
以上为常用的函数！
T3 T" x9 j3 V5 M# l+ M1 {, t还有很多，如有需要我把资料发到你邮箱里
6 s" A6 L/ e) X2 h' p) r! Y: o0 g1 M( f! N' o5 F- x1 D
2 c3 `; s4 j2 y- U' x/ G9 D! Q$ }6 S" }4 C* q
. k+ P9 ]* {0 A- N7 R9 d- M
$ V+ Q* g5 \3 k. C7 @/ P2 `) p; d, M [, g+ h3 }; N
5 `" R% I7 s: v
$ M8 w- K |' G( b* H; k% D" o- Y6 o+ P! [) B0 H# g
) _6 {/ o; B) f% A' Q
|
|
[复制链接]
