|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句) {) s- b" u: s8 a+ h$ H1 m
if <condition> then4 x* @; U ]0 z- }) j7 B& o
<statement sequence1>;
; z$ A! V7 O3 x$ |5 S; q5 s elseif <condition> then0 R, w% ?$ O: y
<statement sequence2>;. J7 z5 V* t. p& n6 i; _2 F, I
else ' V3 f' h. n& D* x8 I) `3 @; Q
<statement sequence3>;
! g1 h' \" G1 ]4 e* l# ] end;, p# U, s) a1 i9 g: G
如果分支比较多，用：
) R/ I" V0 h" N inspect <expression>. V" o. p1 {4 H
when <constant_list> then
0 R* c7 d# C' f1 R <statement sequence1>; m/ Q% `6 b5 f; v
when <constant_list> then
. r. [- K# f: y2 x6 I <statement sequence2>;
1 _5 {- N$ V2 P, \ ...
2 Q; w0 k$ k% y$ M) y# x else8 p. S- E9 p3 \. c
<statement sequence3>;2 ~0 X1 { y$ _9 y
end;# j( }4 k7 \3 R* h' O5 D; L5 D
( Z4 H: q/ R) x) @- Z2循环语句) f) K* R w: D4 R# J. a6 Z8 B: h
(1) from <statement sequence1>
' U0 b4 G3 p9 u until <condition> loop
1 f4 W7 ^) e' B0 O5 t7 ^- V% d <statement sequence2>;, u5 O- p# O) P$ t/ d* @7 K' L
end;, o: |' S* {4 a j! w. B
(2) while <condition> loop3 A, f4 v4 k8 O5 \' o
<statement sequence1>;- p) _) Y$ _, b7 n
end;
8 c) @. g4 x; | (3) repeat
1 K0 V+ {* d6 ]5 d8 y" q <statement sequence1>;
( C4 k* F( e; j5 f$ c until <condition>;
1 ]4 }3 Y: Q* d8 Z (4) for <condition> to <condition> loop" J* a& E, N) p2 V' E) M& ?3 U
<statement sequence1>;2 o0 ~$ w6 ~8 Q6 I
next;
' H3 L+ n: F' k5 F: m( o3中断语句: C w! L* h& |0 V
waituntil <condition> prio <integer expression>;
2 m" k4 T9 h0 C9 O) q2 I0 w& H+ i4 F: ], n& i7 ~3 M: ]
' D% m" K; f' W4 r
以上为常用的函数！
& m3 X; G3 @3 @还有很多，如有需要我把资料发到你邮箱里
1 T# F! p" |2 n; e8 l1 |0 N) Q8 K p5 @* p/ h
2 d! Y1 i6 v' X. l# y) |
, R& @2 {, W8 L# c
. s; x* K/ ?3 l2 c) v, c9 K
4 @8 C5 [9 F- M" l S4 s0 A8 L
3 J) W5 U% b0 `) L/ u" x4 m6 ^/ r
" c6 N" s+ k$ K; _
" X! r2 a2 m( G9 a! S- v
3 z) _6 _2 k4 \5 z2 H
& v2 c7 Y1 l; o/ P3 e! I |
|
[复制链接]
