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发表于 2012-11-13 08:48:12
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1判断语句
& i4 [+ k3 U( U9 e& V0 z( ~7 X if <condition> then. ^( `& Y" s! Y M8 {
<statement sequence1>;: l/ {3 o9 Q) y# m3 Q, R
elseif <condition> then
- [3 ]4 f/ B2 Z7 S <statement sequence2>;
2 d4 k* [* f2 l! r# h5 D else
1 _2 n. a$ q8 G <statement sequence3>;: K7 u& h c4 U9 {
end;. S5 D& V3 ?4 B2 y$ d0 d3 W
如果分支比较多，用：$ @1 t: U, ^2 M8 M7 M3 G# t* s
inspect <expression>7 D" C6 n" Q) o2 {2 ]6 i# N+ u7 i
when <constant_list> then1 Q2 ~4 G0 g) i: h% J, y
<statement sequence1>;
- Z$ l* x: v- N* b7 ^- m; m when <constant_list> then/ ` d5 q6 t8 k, h* I" ^" x6 W" m
<statement sequence2>;% x, s; H; l+ A/ U
...
! z( f4 N: g& m9 H0 ~9 w else0 k4 `+ w! D# T% v2 c
<statement sequence3>;
- j) U$ [& S% F2 N3 oend;! q( e3 P- [* O) V2 s/ T2 k1 r9 P
6 ]3 p3 z0 p, [6 s$ u, Q* H2循环语句
# y5 ~. X& [2 {7 t$ v( s (1) from <statement sequence1>
6 u6 ?( k' }, k# ]: _+ K* ~ until <condition> loop
; g) D+ h: v* J9 Q <statement sequence2>;3 g% B" v$ [, l
end;
" ?9 O( ?$ P) k* `# Q (2) while <condition> loop* o" p L6 y9 Y; ~9 f
<statement sequence1>;, `$ V/ W9 N# U9 ?1 z! t
end;
9 U' X; i% q; F7 m3 M9 \1 u (3) repeat # ]" p) R, M0 k8 A( n2 t/ j! J2 D
<statement sequence1>;
+ k7 E! |4 V# z0 ?4 l1 m until <condition>;0 l1 ?4 l; |6 N- U8 E
(4) for <condition> to <condition> loop
4 Q" L w1 @9 t- f. i' k& ^ <statement sequence1>;
; D S7 [1 F, r0 {1 b5 O next;) G; T$ e. E% u* X( s$ u% o- ?
3中断语句
! s( }9 m2 s1 N3 V2 ^: e2 N/ B waituntil <condition> prio <integer expression>;8 K* }- E" n. n3 C1 J9 y4 w7 h
$ f4 _* p: a7 \) a" W- A1 L+ _3 A' W# x- @5 T5 L9 O
以上为常用的函数！
# C0 U+ z* `" c% m7 |) u0 A还有很多，如有需要我把资料发到你邮箱里
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