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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
% ?, u; M/ ?0 R% m% D if <condition> then! R, Z0 E6 L' c5 f- B4 [
<statement sequence1>;
9 w5 J$ m3 |3 ~+ b( E' g( e elseif <condition> then& e, r) M# t, H# y" C
<statement sequence2>;% w% F( V2 Y% p6 {
else
, H- u6 q7 K% X+ x0 w8 H0 C$ x <statement sequence3>;, b/ P; o0 C m5 q1 G
end;
" v9 P7 S2 Q C) u R) `; x( E如果分支比较多，用：
# a2 }1 W- N8 ?! p6 z; R inspect <expression>( u$ b+ x' H4 [* M- ] v& A% S4 S
when <constant_list> then
* ^9 E) F# G2 J0 ^, a& i <statement sequence1>;
% ^" I* G+ B. P5 P6 T) X when <constant_list> then
; ]7 @) z0 e$ N9 F4 W <statement sequence2>;& H! f2 R& Z5 J
...
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<statement sequence3>;
( E V( C4 N: Pend;
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; F" D3 n8 _0 z8 R2循环语句3 U' B" J. R6 G5 W& @0 [& ]! k. B
(1) from <statement sequence1>8 t9 m* h( Q) N: n. I% ?
until <condition> loop. i; W: R. l' ^( e& M3 a( A0 ]) S
<statement sequence2>;- C. k& l- t8 U' D/ L: p
end;$ }, n, B& s7 n2 E/ w9 z7 l
(2) while <condition> loop
5 z# Z+ ~' W; B' i1 G8 ]) q <statement sequence1>;* N+ }/ l4 l) {* M% `: w% z, f
end;
- k& j; t) [* [ (3) repeat
/ z/ l# o: l1 h- D, k <statement sequence1>;7 F. }4 ]4 _/ A% b6 X @/ U: D1 d
until <condition>;0 M) L& b7 K$ w; v. c
(4) for <condition> to <condition> loop1 Y6 O1 l7 B" Q; ~ H; O
<statement sequence1>;
# \; \# b) y: a+ E& w; W next;! W1 s4 X) A8 M; h! [) A- A- C( K6 r
3中断语句4 ]4 E2 V/ z4 O
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
, R; Z3 _ E5 @5 g$ b还有很多，如有需要我把资料发到你邮箱里
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