|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
# v' N( T" n% o$ _ if <condition> then
6 `' C/ v' l( H; z0 F <statement sequence1>;$ o0 g- M/ m) z5 W _1 q. ]
elseif <condition> then6 o9 Y' Z D/ \" r* A' P' p
<statement sequence2>;
/ l# m( c. S$ \# N4 p# N else
# h. |6 z; R o& B3 g <statement sequence3>;
2 }3 Z- V& v" l4 g& x end;; x: A3 K4 b- W& _4 K/ }7 ?( N
如果分支比较多,用:
8 \9 b# d; H+ n1 [+ F- D3 Y inspect <expression>7 L8 O$ T! n" ?" _
when <constant_list> then: J. j1 e: x$ C2 z
<statement sequence1>;, y8 ?$ ~( p F4 i) b; X# L
when <constant_list> then Z, r, k% ^! `
<statement sequence2>;0 O+ y1 M2 ~! F7 \( @( M- G; L$ H$ S
...4 b E8 p$ ^2 G, h% k, A8 z; [
else
$ R# ]1 ^! N# \+ p$ F0 n <statement sequence3>;
6 y' {- `9 n: {% N2 xend;
- w$ H% y5 y: g$ C4 d3 m, G5 j. M/ z. P
2循环语句
9 u; x0 i4 E* B. `3 z* _ (1) from <statement sequence1>$ R, L9 j. B& i
until <condition> loop4 U$ ]+ I. m/ _2 S% v' p( `
<statement sequence2>;8 Z: _1 B% {# ]: `1 U- ~
end;6 f' G/ g9 P. L8 x( `4 n
(2) while <condition> loop/ O* } j; n6 z
<statement sequence1>;4 k( X8 {! I6 a# J) X1 K/ {3 `2 u
end;
( V2 `( ~' S# C (3) repeat
9 B5 h; G2 K$ \ l2 t <statement sequence1>;
' z, V) e: j, p5 c3 `/ u9 d until <condition>;
7 z3 C: n) G# x. b" X( t- w4 m (4) for <condition> to <condition> loop
: }- G6 A0 M4 C' k+ L <statement sequence1>;
p c) T6 D. F" f* l next;8 c* f w( _' G6 z* F
3中断语句+ l3 _8 c% a- X6 w6 a6 {# W! p! H
waituntil <condition> prio <integer expression>; e& t& X- N3 ?' `) l% u
! Q7 |4 U8 L2 k
3 l: L( K0 h% U/ L' A; t以上为常用的函数!
: t9 L- H- ^4 d: m还有很多,如有需要我把资料发到你邮箱里
* U/ N$ A" O- C E: m' _5 }6 s+ d( Q4 ]0 D4 n
' n5 ]4 ^1 V. T; D4 i
7 u: b S" L- Y9 ?7 }( P# Q
9 U/ s5 X( Z" D% u3 ^7 n6 ~' Q) R3 R
/ x8 z& _0 a2 Z6 l, S% p6 g; N0 u9 w
. C0 W! c3 h: D; j4 @ Z. j( U& R/ B Q5 b# _* x1 A
7 b5 U5 h7 }1 n
|
|