|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ Q9 R! F! W% H: _% a7 ^: J8 |0 u' o if <condition> then
" d2 g4 o+ d4 I9 f <statement sequence1>;
# E, D; ^8 h r& g8 J/ N elseif <condition> then: i4 q- g6 c# B( {/ F! c
<statement sequence2>;
/ Z0 o3 y! a; k c else 6 D8 k+ ?) j5 N
<statement sequence3>;& |) A) r3 l9 O9 d" P: x7 t! p! [
end;
; \) i9 C, s2 e" L x( e) O如果分支比较多，用：
1 f [, Z- N/ y( k4 C) e inspect <expression>, C9 k- y; L* s$ x7 f, W0 J
when <constant_list> then
0 ^9 B3 c% E/ W <statement sequence1>;
# }0 w Z s, v0 b* ` when <constant_list> then
% y8 O; A! ?# ~2 s <statement sequence2>;
3 l% l7 O8 ^# b6 Q ...
' _0 X% F1 y2 _: G3 N else
% a- L9 Q; n; ^) Q <statement sequence3>;% D$ O$ i) p/ Q, n h4 z2 v
end;9 _' U0 O+ l4 @
3 N3 i, C. k, S5 [2循环语句
% `4 V) X0 ^0 ?; ?; B$ w (1) from <statement sequence1>1 p; S$ R5 m, U* B9 K% y% P
until <condition> loop
5 h" e: B! t: f0 r2 P! \* G) M <statement sequence2>;7 q7 z& A( ^1 c5 s: \) {
end;9 p8 y* p0 Q2 o" U# j
(2) while <condition> loop3 r: M) z d% l( C
<statement sequence1>;
+ W8 T4 X6 W4 X- e. n2 S A- f9 M end;
4 V( N/ e) O/ A1 y0 R6 P8 w% I1 A (3) repeat % o2 g8 A$ ^4 X7 k
<statement sequence1>;
' J. X/ T+ H+ ]7 O- O1 x until <condition>;% _! _. [1 j& O% c- @$ H
(4) for <condition> to <condition> loop
! V* n* C' S7 j$ N2 r+ W5 `, i <statement sequence1>;
% W2 @4 m' |' P. Q3 V next;
( A7 n# F% J% y$ K+ }& f8 a! h3中断语句6 c) U {. S0 i I" }
waituntil <condition> prio <integer expression>;
: v; a: w4 U' ?$ B' m E
5 \ \9 M. g$ y( b0 @$ C
0 [. F6 }" k4 P3 g2 z7 K以上为常用的函数！
( u0 y- o/ g* G3 `6 L还有很多，如有需要我把资料发到你邮箱里 - c m+ B2 T8 l6 |
" b2 k0 G3 b, I# n* f& H9 `- C" g6 C4 `. v3 I
' h9 [6 p: ?0 l2 Y* c* e J
2 K- `1 o1 z: Q5 j" _
( T% q+ L7 z1 d4 E! x( l
1 X! p* j% J# T) M4 h" X& C7 \7 @/ `
2 u3 @! X( _0 G' d) j4 I, z- j% C) i
2 [* T" ]! X% N5 g2 X( C6 J/ F
( y7 z% t: ?/ R |
|
[复制链接]
