|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
1 B/ T/ A4 R5 g; r) q* ?3 M if <condition> then
4 D& ]# y9 R! v7 q, @- I7 m <statement sequence1>;6 t( X8 B9 j0 a3 v( \9 b6 H8 A
elseif <condition> then
- T: U/ y* r" R+ Z; c. F <statement sequence2>;
* A- H: t* D$ w else
$ z2 }4 ]& @# d4 D3 L% M, W" C <statement sequence3>;
+ T! V S9 U1 L' N end;& v2 |; P" l5 d7 R, K% {$ v7 |0 Q
如果分支比较多，用：
, h6 \2 ?" _5 V) ? inspect <expression>( R2 y2 k7 I8 J' G. k7 f
when <constant_list> then
( [1 Z/ f+ M; e L0 U* v4 M, q <statement sequence1>;: m6 `) C& _* g/ Y! n; p
when <constant_list> then! x9 X: L9 O ~6 `- o
<statement sequence2>;5 u- O0 |7 D/ a% m9 K
...
0 a3 ]& }0 |' \: Q" i* J5 p& T else
: V( |! A, i. h <statement sequence3>;
2 |9 \# Z3 f, B* a1 u; U2 wend;
- V- H! }2 F& E, L. L0 x, @1 z( j8 s( _, Y) ?7 t9 f1 K
2循环语句2 \7 l4 j9 K; ^2 ]: z$ X
(1) from <statement sequence1>
2 [2 A( l* n$ s) A0 W* g until <condition> loop9 z& p2 F, Q- v/ m+ C
<statement sequence2>;* T1 D) c; y: o
end;* U4 y E* ]0 R% z
(2) while <condition> loop
7 P/ [) n8 _8 ~- K <statement sequence1>;6 j j! E5 B5 }4 V: T4 s+ b: d/ G3 ~
end;
0 C, s' f7 A& _: ?) i1 w2 z (3) repeat ( T6 U# m+ E5 ]; r( [
<statement sequence1>;4 R$ X; O7 j: }/ f' X7 x2 M
until <condition>;. @: v3 b- u% W
(4) for <condition> to <condition> loop
- K0 U, J; u4 P" R <statement sequence1>;
- @! h9 D% b/ U4 a next;
& y- Z" Z9 w6 w k9 U3中断语句
. T& [( f( X& O: |; d8 n waituntil <condition> prio <integer expression>;% d4 d" s- T5 p
, v6 n* B& ?# e% [) `, d" Z1 `
) W3 \( D: p4 ~8 X以上为常用的函数！
8 C# E9 n# m# R0 s6 K+ U5 v" d5 i+ e还有很多，如有需要我把资料发到你邮箱里 7 [, V' i; ^0 ]1 Q* u+ L
( i4 d0 T: [, C
9 t& V. L; w O' W! v
% K/ j6 Z v( z3 A+ F/ r' L
9 {7 B$ R6 N+ A) i \$ ]$ Z. y$ H# o
' M/ u. @0 E$ x. s0 `- j! U; T0 X) I+ u2 P# Q0 K
7 q ]( h6 r& M
* j8 F. R8 s, l3 W0 L, p% Y4 u" T
. X8 M, t2 I. \$ Z0 q/ A
|
|
[复制链接]
