|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
4 Q) `( e* d' [/ Z, h# n% h if <condition> then
/ U4 \$ }6 t- e5 j1 I0 O8 E& i <statement sequence1>;
2 N, x1 q8 T6 n, ^+ x elseif <condition> then4 G+ D. Z) P# X6 D) k O
<statement sequence2>;
9 Y4 |0 q0 D% v# ? else
) W7 `6 I" z- {2 R* d <statement sequence3>;
# e5 S# ~. C2 d0 o$ B$ M( f end;2 O' K9 s; v' z7 I
如果分支比较多，用：0 @- D6 \/ |3 ? G5 W+ g5 T# K
inspect <expression>9 U% L0 p B6 ^2 G
when <constant_list> then, [- p; e4 v7 C
<statement sequence1>;
+ }& p ^* v/ o; S+ c/ i when <constant_list> then3 g8 x7 ?( v, S2 f
<statement sequence2>;# q' t2 X5 T" i6 i9 G3 n, ?
...- c; {% I, Z5 y1 k: I
else* d4 F7 ]; u0 n# v/ ]
<statement sequence3>;/ p4 q) d$ i4 `( o* Q) V
end;3 ^. h! o; a7 `/ D" |) {
& I2 O4 A) W9 o2循环语句) k* Y# |, w5 p; n/ ?! ?6 e% X' P
(1) from <statement sequence1>
) Y# P' V8 {& @" k until <condition> loop. r0 ?/ q. o$ F# v ?
<statement sequence2>;: t0 t# _- u! ~, k
end;( ]* j! }; {0 }$ G
(2) while <condition> loop
) i7 D" k3 t6 M& B <statement sequence1>;
6 \8 ~2 r8 x& G$ J end;$ Y: i0 b( p$ t9 E
(3) repeat 0 s) }5 Y) |4 k0 M, R ]
<statement sequence1>;
& y( c4 ?/ _1 }0 g2 j$ O( E2 R until <condition>;
- c& W9 A& D7 V. a0 x, n (4) for <condition> to <condition> loop
6 D7 a4 Q) x; [* O <statement sequence1>; p+ r8 \; v, u* }: \( u4 Y
next;3 c3 m) P8 j( ]7 _% W5 i
3中断语句
2 f5 N. O! X5 H waituntil <condition> prio <integer expression>;. p0 o% a- `" M# _# V: b$ T( g
8 c" z2 B$ y+ U* x. o
/ G, H8 |% l( H6 n0 q以上为常用的函数！: h6 _9 P' F3 m
还有很多，如有需要我把资料发到你邮箱里
& [5 B$ x0 M) E* U( U) i
( ^/ B) v# J2 k" [
7 K/ Y6 e' P$ F3 ]
6 T+ ?8 G& y0 K8 E
1 L* x# \7 q! v1 \9 D
: U/ i" [' V, z- p+ m1 X8 k2 H, r! z! m) y0 |7 ^, N7 I
6 i$ E) ^ R. F9 y1 v/ `- G1 l1 t. b2 p- a o4 [
: i0 K* f' j7 c! b7 t
/ C4 q: P6 j: J& o, H2 w
|
|
[复制链接]
