|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句& d, l1 A4 K; ^
if <condition> then
3 B) T* H* Z% \ l7 X <statement sequence1>; h8 L! n; Z" E1 f5 _+ N
elseif <condition> then
- s/ d, ~ P# G. w <statement sequence2>;
) Z l- l( L- j6 p5 P0 R- i( |& p/ V else
, z8 A; {, ]: C# q. w" R2 n$ N <statement sequence3>;
! H! Z n0 z# D! _5 H2 K end;
0 p4 A ?2 @ g- h' q9 m如果分支比较多，用：
( Z5 m$ N7 D0 V( i inspect <expression>
+ N# \, V2 h7 n# A# ? when <constant_list> then
@4 T7 @* h' o6 D5 P7 V <statement sequence1>;
' U; d, t; B5 s3 K) {" D when <constant_list> then% y1 s* F( A* u) u0 S. D3 Q0 x
<statement sequence2>;' }, i( v: s4 b
...
# C: c: d# r0 N else
' j% A( a- \0 E- T4 n/ A5 I0 D1 @ <statement sequence3>;
7 A6 g5 c% `# Q- r4 U% l/ kend;& e1 O7 P& H( A6 n `) H. N
% d' V( L0 l* n0 _$ [0 c" {8 k
2循环语句
; v0 ?9 O( W2 M9 @ (1) from <statement sequence1>
+ ^( u; o9 f+ o) k, S' l until <condition> loop- V/ I- A9 E8 X$ f) R) p/ [
<statement sequence2>;
. c8 B+ @2 ~: L/ w0 H% C" | end;
5 G( m. l$ X' ?6 s6 x (2) while <condition> loop
( T) r, ~4 V) U6 Z2 X4 E/ w' t0 f3 k) G <statement sequence1>;
}. }5 A6 I, N& L/ d5 ^/ b end;
& E8 n/ O) g- U% e" Q- P (3) repeat
( L h+ H3 k* o' {' M <statement sequence1>;
) M( S6 ?# H% \/ G8 B; r) S until <condition>;
, ]+ ]7 ~8 [1 v4 q (4) for <condition> to <condition> loop/ b6 b1 {5 A2 J0 @7 Y$ J- V
<statement sequence1>;. t5 E' B2 c$ V: ]
next;
7 I. N, G5 T n5 a0 v3中断语句
' y: _* |5 n8 P waituntil <condition> prio <integer expression>;
! B) ?1 [+ w5 k; @: m& y5 f
: C. J: A% [7 c0 J$ D: C U X9 [1 F" _
以上为常用的函数！
% l- s; i% O" i" `: w还有很多，如有需要我把资料发到你邮箱里 ( }- u2 p3 U* ]; y2 A+ V8 i9 i- O
- C) F/ _6 |! o9 F& H- J; K. k) N6 F& b! P5 c2 b
4 z4 |7 H4 @9 p# ~8 t- L8 K
! } w: ~$ A3 W* m3 N- x$ q- S8 ]' C" @
& q% o( p4 Q" U4 A& E6 f
$ M! {1 T+ N8 q' N$ @7 B6 ?* N
- \/ \( m1 W' V& g6 I$ G
, y9 ]7 D! U. [ S
* N, c: W5 R# _% w5 {' N: q |
|
[复制链接]
