|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句2 T/ e4 ?, W4 N( V' f
if <condition> then$ l( _0 L, w" h! a# V1 _+ B& s
<statement sequence1>;
5 V9 ]2 O( O7 e# S; D% F( @ f elseif <condition> then
7 J1 c3 k2 p' W$ u' l: e6 v2 ?/ q <statement sequence2>;! J3 {5 V% s2 i
else
1 G- `5 B5 q- X5 ] <statement sequence3>;
; h6 e2 |; E" A, ~6 O% b+ c, |: G end;
/ B$ n( m2 a n) n: O4 o( i$ f如果分支比较多，用：
) U, g8 b# y. \3 P" h8 x inspect <expression>) F0 \' j: ^0 R ]7 l% W
when <constant_list> then& K# [, M4 I5 _' U3 l
<statement sequence1>;6 h' f. E$ m8 B- C1 c& I( f
when <constant_list> then- s/ S/ T" Y5 i N, j# k
<statement sequence2>;# u" X" r7 k$ [2 z: t
..., V4 q' {% z, E- M7 d
else, K. M- J o: v1 I/ i0 {
<statement sequence3>;& v: I8 L! E' r$ S& x7 R( R5 C) j9 u
end;5 ` Y+ k4 \1 J& r! B$ F3 c
$ Q2 g/ f' i* y
2循环语句
! b) P5 k& d( ?$ d" F (1) from <statement sequence1>4 g+ f8 Z/ V/ m* ]& v' C
until <condition> loop, r0 \- v# f7 Q- ^! J
<statement sequence2>;
. F. _; a H9 |" Y; D3 Y0 q# v& V end;- M, a7 N3 f/ J
(2) while <condition> loop
( h6 ^% J1 e2 J( v! i <statement sequence1>;0 M$ Y- D% Z8 i! u, j: S8 Z
end;
+ I+ M7 c& p* h8 u" a7 L( K' n9 }, g (3) repeat
5 D8 O% j2 S M D <statement sequence1>;
. a, h4 C. Z1 m% ]1 R/ S until <condition>;
! k; ~! J1 f: ~* e E ` (4) for <condition> to <condition> loop) [6 ^7 }! [7 v5 s7 V9 N2 u! n
<statement sequence1>;. L$ ~" y! x1 @% V \/ C
next;1 e$ `* p8 v8 D7 \
3中断语句
. c! \" `% g9 E8 `# l+ j waituntil <condition> prio <integer expression>;, F3 T$ ~8 W" Y
. D4 t( d+ t* c! C) q7 ^ O" k# B3 V
& Y7 G8 u6 @ U1 y! f1 }' k- s% q以上为常用的函数！
8 Z* A1 d: @" a q" y6 j还有很多，如有需要我把资料发到你邮箱里
$ ^% K! {" z2 T8 {7 ~# X, k9 E4 u3 ]* H
2 m& r; I0 C* N$ n) _" \0 o
& L) W# i$ Q- Z: X: b. v/ o B9 [( F6 e& p2 h6 y$ t8 C
c, E; B* E; l0 @6 w
6 Y& i) A1 m, V& O( }7 S
# _! D- Y* U, u( G2 f0 i; F+ {' B' s
I' ~0 i2 x _, m9 J4 u
4 D8 E; q' T* G e: X" R$ |
|
|
[复制链接]
