|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
3 S7 M1 j$ \$ t; R3 A; H if <condition> then
- E/ @" a% r! E# T4 Y1 K <statement sequence1>;
5 ]% w6 U- W% {' M n/ n" A elseif <condition> then
' W& D- f+ J" Q7 ?7 p <statement sequence2>;% s t3 k& }. _+ y$ c) o
else
9 Q0 B* a+ a; m4 s% } <statement sequence3>;
! c: ]4 Y- K4 l; z5 h- P end;! b) t0 K' t" |3 U
如果分支比较多，用：, ?' b. _% T: ~8 n/ r. v
inspect <expression>9 X0 r8 @; Y6 e* u6 I) S- s( l
when <constant_list> then
& I- W; U2 |* I/ V4 o; x <statement sequence1>;) F9 b1 o% ^2 A/ ^6 b
when <constant_list> then) ?- P: e9 g% l7 c) I L2 n0 b
<statement sequence2>;" X2 V- t2 z, ~
...3 s" L( q( x3 j; ?
else
- f! \' l8 _4 }' b( ?1 v9 E1 p <statement sequence3>;2 D, E# E* x5 Q" F2 F E
end;
0 ^1 N- T, ], p
- y* w! F% v7 o2循环语句$ `, ^: F$ @5 |, z
(1) from <statement sequence1>+ R3 y' g: u9 ], C( P
until <condition> loop' w* k, V" ?; R1 |! k; Y+ ~, i
<statement sequence2>;
j. F/ e+ M( [* C6 {& O1 @- i end;8 p0 d; a; c+ U
(2) while <condition> loop, W7 V4 Z% _) [# o3 Q: ~1 J; W1 L
<statement sequence1>;
( m/ T; L( h; P5 k+ f2 A end;
1 Y6 Z* Q- M V: e: s3 b2 Z (3) repeat
P3 e3 l$ C7 N7 N <statement sequence1>;
, E5 v6 `# R0 z6 f! x4 w until <condition>;
% X4 u; c% F8 d* ]' d (4) for <condition> to <condition> loop0 Q: v+ Y9 i" X- i
<statement sequence1>;
$ i9 Y- R3 w1 K) t4 h next;
/ M' u: k2 t9 F! L3中断语句
T: h$ ^& P9 y5 _0 l waituntil <condition> prio <integer expression>;* g6 [! t0 q1 ?6 j+ J! O) |( c% I" |" v
s- K" _4 P4 G3 N/ l, m* D6 W3 X6 m( d
以上为常用的函数！- {; c9 ^, f ?* j1 j% T5 z1 W
还有很多，如有需要我把资料发到你邮箱里
# x- `( b& w! A% l" ]1 I8 V5 q/ `; y0 B8 P8 f* X! G
. w9 d( N7 D, Q2 D
' W( l) }! `$ x a5 \
Q# p# u$ x6 R+ T5 A5 M4 d4 i1 R" b+ {
- M0 L' G3 y7 ]% T- _" u
+ f# w7 h5 D' B5 A' j* ~2 g
. z# u, r% z1 ^5 F
1 q$ [* P2 r2 x1 n s6 Z) P$ G) y7 n0 V( A* ^! n/ q+ T# Z' F
6 x- H, T! [$ A5 v) d" X g |
|
[复制链接]
