|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
) d" \1 C5 s4 l if <condition> then% Y2 x- C1 E5 s7 C# v* p
<statement sequence1>;# m! j' _8 R, b% \
elseif <condition> then3 u! m3 n9 R: x( {( ]3 h. H I
<statement sequence2>;6 M* i) i! ?5 A+ W% K
else ' e) P# G# r" s6 g" T4 ?
<statement sequence3>;
) B# o+ m3 F# y( J: i end;& u) K, w# V) Q- ^+ s8 K
如果分支比较多，用：# [ D W7 T" l4 y5 T' J1 Q0 k6 F
inspect <expression>8 G: y: k9 _# z; Y
when <constant_list> then7 s% i3 S8 Y6 a7 }0 t
<statement sequence1>;
/ u3 l A( ?% ? when <constant_list> then% r0 k1 _2 w1 }+ X4 N5 U
<statement sequence2>;
$ P; l7 x3 J1 N2 V; J ...
3 \5 d" ]6 j7 m, R- `0 @" L else8 k P0 m2 s& d/ c
<statement sequence3>;
' V. i8 ]7 Y4 d" g' g5 n. |- Aend;
% W4 t( r" l4 y- I, v: \. q' @" p$ D# {0 e5 o( q
2循环语句5 g" `3 Z, i. O- Y
(1) from <statement sequence1>3 O" K0 A( s( C) }
until <condition> loop- a! z Z3 s$ D5 f
<statement sequence2>;! S: k* g7 X- U- m; q
end;
6 Y& G& s* ~6 y2 B \! z6 ^3 @) c (2) while <condition> loop! j7 o- k3 t# ~
<statement sequence1>;3 s/ q; Q7 m# z. R5 }
end;
. n! Z4 X9 p" v$ I8 i# A (3) repeat
" g" l* ~) i: p9 L J <statement sequence1>;, S9 w8 A2 g1 I Q* d- ]* B
until <condition>;
% r# I6 P+ i4 {" i g) U (4) for <condition> to <condition> loop
* j& x2 t6 U, d; U6 h: R0 u( F7 O <statement sequence1>;
" P/ L& i+ M [1 d% N- L next;7 S; Q/ h7 y; z* n& n6 `
3中断语句
* O( t! m0 E+ P waituntil <condition> prio <integer expression>;
- ^& g R d# i2 D' f9 e+ Q/ q7 {$ B+ `; C8 k8 X8 K9 @
" n) r% M2 k8 U# g% x( i% D" ]' |; O以上为常用的函数！
# \7 B1 @- G5 f9 [. f还有很多，如有需要我把资料发到你邮箱里
) n3 I+ h+ D6 W
! [! Y# Y& n/ V& R8 e1 @
; x" x c5 M5 W' d& x6 B n9 _* C
$ }0 b9 o& J7 i; V! d0 E/ A& \ 1 N; L8 l# I* }' @
: K9 r1 `, i' t! Z/ h. X
3 T9 r6 i, ?- F; M
! R4 G$ x1 r4 E4 { r. _9 X! Y' ^8 m% Q. j6 X' I
; \) ^, k# r7 ]6 T, T+ y
% y8 m$ Z& H. d& l |
|
[复制链接]
