|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
U% v% x; d% _ if <condition> then* _! {( _- i5 a4 z9 ~- Z( I
<statement sequence1>;& w- |/ q) Q9 I$ N0 f1 G; C0 h
elseif <condition> then
3 f# p. b/ N- h; E( \ <statement sequence2>;& O* F: F9 |) U0 J! @
else ; ?; J6 V0 O* j+ G
<statement sequence3>;, q0 ~* h( H/ F) G+ F E# \
end;
% h: f8 {' o- K* ]如果分支比较多，用：
& i& S$ ^, S5 X& P7 K) ~. D, S. p inspect <expression>
3 C# u: V1 _: r: @7 ~, C when <constant_list> then6 v% S, z6 m6 Y
<statement sequence1>;
$ h% e, ?9 G9 `& Y6 U4 ~ when <constant_list> then
1 c/ a; @( e6 R% D0 k7 c <statement sequence2>;, v/ U% D3 P( `7 @8 N2 }- T; O5 n% j
...
# i$ r1 e/ }0 k/ v4 M" ^0 G4 T else
# K9 u( y7 h# \4 W6 B9 Z3 o; h <statement sequence3>;
! x. G" X5 u, N" l# b) O* a( lend;) r! S0 r* X; ]6 ^2 s) r
' t( G0 t' S8 H* x9 N& ]
2循环语句
4 V+ ]% n+ d/ h' n5 D3 f3 u% m8 Y (1) from <statement sequence1># {! a- H/ \% r
until <condition> loop
4 i) s8 i1 m: m# u! L- f <statement sequence2>;! z0 N! |/ Z. ?. k/ Q, F# N2 ]
end;
! {' C2 m1 j; w5 C (2) while <condition> loop+ \) U: B& t- w4 v1 L
<statement sequence1>;
8 H ?+ D4 r( d* A2 c( e% y% d end;
. w3 P6 _$ r7 H3 V& t+ `* W( y (3) repeat * l8 Z% `7 E/ s( F9 P
<statement sequence1>;
; l3 b$ s8 v3 L& {$ w until <condition>;/ _ ^7 S9 O9 o9 @7 d, @9 Y$ T
(4) for <condition> to <condition> loop, I1 _9 ?% Y/ i
<statement sequence1>;) k! [" f6 K! ^' j
next;* B3 S: P: A2 b" G9 h
3中断语句 z1 g- w# ?9 ?/ L5 @
waituntil <condition> prio <integer expression>;
; K0 {; D4 d; F! G$ ?8 F7 l
+ B$ [1 I {8 @" @' c3 f. C1 s U$ v! F# }8 }# T8 s! @
以上为常用的函数！
+ i* V# P0 [4 z" v' Q! F( S还有很多，如有需要我把资料发到你邮箱里
/ \5 Q4 r9 Y1 v! p& W# W9 ?9 h0 |2 W# `2 ^1 y! q! X# s3 j
2 o y+ g2 y1 t6 b" b
& c5 o/ f% y) l ~- g. r
6 J; I9 w) M! {0 n/ P
2 [; X) T* K5 M1 \1 r$ [$ r$ v5 v/ z
N& l! V. D) b- v' m( u" a+ V; P$ s" V
9 a: E6 j7 A! C: T! o7 c2 v
! p; n$ \$ Q. i
|
|
[复制链接]
