|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句6 [' q# E% D+ p4 e& F
if <condition> then2 h) C( z) M5 ~& r
<statement sequence1>;
0 A/ V/ h$ B$ ^ elseif <condition> then
& _* Q9 W u/ X6 }$ Q <statement sequence2>;; `2 j) H w; |
else , K4 N4 H& w1 ~' ^" C
<statement sequence3>;6 T+ P( t% m, o# K) S
end;
) d$ _1 ]" L& `( J, V如果分支比较多，用：
9 b& D. O' |9 U7 y" w2 W5 r inspect <expression>
6 P' ?) Z1 `) U; t2 t U7 G: Z& H" ?4 L when <constant_list> then
3 i, D* D% n5 d, ]1 @* O: l- _. M* K <statement sequence1>;7 ]) }- W8 v# o8 k F4 h! P
when <constant_list> then6 _6 o" Z: k# m$ e$ n. [0 x6 o/ b
<statement sequence2>;
% h, B: H# f1 M9 g% y ...$ }6 X$ i5 r* Z: \8 P7 R
else( v8 P! q- {, v+ U: I
<statement sequence3>;
* Z& s" x& j% A: dend;
& R: a7 B! @6 g' b2 V
7 Y* a7 y* E8 G' P6 V2循环语句
4 t9 w9 B; j) ]/ _ (1) from <statement sequence1> E) H$ R8 v. F" j/ g+ ~/ D
until <condition> loop
1 c" e4 R$ O2 P, `9 p <statement sequence2>;) p; Q1 N7 |) a6 W) B' k
end;
7 g; X, Z1 J& x! H (2) while <condition> loop
# P& j* L2 S% M% w4 H <statement sequence1>;
, ~2 s. \" V1 }2 @ end;; x: J6 n$ c% t4 P8 g
(3) repeat
: P9 g$ t- ]( G' W: @, M <statement sequence1>;
. `9 q8 G3 g. A* x" U2 R until <condition>;
7 w+ u0 I! r3 ]$ o, N# @7 ~# ^ (4) for <condition> to <condition> loop }' K3 t# p( v# z- N+ n l
<statement sequence1>;
( r$ a; r6 O2 _# u; t9 ~) y next;3 L3 J& j# `: C( I& k) y
3中断语句
& }' }% r' m+ v# p7 i6 }* k0 _ waituntil <condition> prio <integer expression>;& b4 ?/ N. h2 o( l! u8 M
2 t* \. e W( T1 O7 _: W s3 m6 V2 }1 q/ W0 ` R% G
以上为常用的函数！
" K% Q& l+ T" S1 Q9 q, k1 ]# x还有很多，如有需要我把资料发到你邮箱里
* C& l- }* V7 }+ m9 Q. L: g1 h
0 l* g# ]' Q* g+ c3 A7 _) g5 s+ b7 X) N4 Y$ Q; f, q
3 j; y. |3 H7 R* R$ g s' B( U
0 V7 g7 Z2 C0 \
3 Y' {& b' W; ~! \0 r4 e( N8 n7 M
5 z2 q4 n' t* _5 n6 a$ t O# `3 `' l3 F: y7 t* O8 f
' L1 }' ~/ Q" W5 ?1 S1 m
- b+ {0 v3 K8 W- H9 D |
|
[复制链接]
