|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
! `# g4 m( t! P9 k if <condition> then- \$ {% m* _* ?) C' R/ E- g+ D
<statement sequence1>;/ d% s' ^- q. s/ c
elseif <condition> then
% ~+ l: F+ M8 z: k/ U' h <statement sequence2>;
: V" E! {' ?. F, h# i else - _6 H0 j0 Q& U/ `3 n! G" s
<statement sequence3>;( I: c) Q+ u* J0 ]8 h
end;
+ ~5 X* y. }9 e9 i如果分支比较多，用：* K5 g$ k l. {4 R4 f
inspect <expression>
5 y+ t, b2 z8 d& E4 k! E! ~ when <constant_list> then2 j* r( ?" T" L
<statement sequence1>;
! B( ^9 y# ?$ t+ o! @ when <constant_list> then
3 I& A) R( Q8 z9 w; ` X <statement sequence2>;( _: K2 h2 d2 \0 u, B. H( m2 G
...
+ A$ X) x: |4 M else9 E+ P4 z9 B: O8 B
<statement sequence3>;7 H' @/ `2 Q0 r1 k! t e
end;
& b9 H9 h4 Y# R+ z M, r; C/ }! M
" { \8 Q. n7 I! q8 h% v2循环语句9 q) M) ]" m3 r% W r- B3 z( W
(1) from <statement sequence1>+ q, [, f1 E7 q1 h
until <condition> loop
% g$ K v( G1 z% S+ j' i2 Q <statement sequence2>;, W. j4 v# q: n* h/ Q7 l) p7 ?( X
end;
3 @' {3 Z# v |0 x0 v7 L, h1 p (2) while <condition> loop4 B- f: K& s% F2 j; f8 S- f
<statement sequence1>;% n+ u2 L% p' ?
end;# P7 ^0 X/ P6 O8 F3 D, v% o
(3) repeat 4 o: f: ]& g3 H1 i( a5 A" `( T0 O
<statement sequence1>;
0 d+ ?' V1 ?# o- j E, j, p until <condition>;
( Q( Z# b8 c+ f% _/ D (4) for <condition> to <condition> loop
7 f+ `/ O9 Z5 P# ]9 P <statement sequence1>;
, n# i5 [9 j6 `) a next;
' Q% y0 q' F( `. r3中断语句
4 U$ C; |! g1 y waituntil <condition> prio <integer expression>;
7 T# ?- F; @( \1 O) w
8 x; }6 g! X8 O/ |& ~1 `+ k1 `, w; k, |" m1 p% i4 j
以上为常用的函数！
% h2 P E! d6 Q! o还有很多，如有需要我把资料发到你邮箱里 7 ^% |7 R8 P. H( H. J6 w# g
: p6 w9 ?/ ]$ P. _' t
; n, v& l) s1 T- L) o; T6 O7 ?6 H. [/ B6 h# C: w
1 w. K a7 J7 |9 L" q4 D% [! _6 O, i& Y" d
$ |. {9 E2 S3 L# e/ ?# m6 |1 h8 T1 C
( b1 z1 u6 ?3 K! _2 Y- C& S5 y7 p$ t+ N# x$ e2 `
/ S$ T3 r6 w1 K3 s2 j3 W \/ }
. r3 v% I X8 N. A* e |
|
[复制链接]
