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发表于 2012-11-13 08:48:12
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1判断语句% W4 `2 H, U& O2 z" y
if <condition> then
3 z* ], v. g. p, A. U <statement sequence1>;
- S+ R0 D3 r2 E7 s1 D elseif <condition> then
* w7 x% f# g, u( J; L <statement sequence2>;7 ]6 r8 S9 B7 P, c$ U( k
else " C) t8 U: d- Q( H. F# |3 L
<statement sequence3>;! B3 L! k ]' P! W! W
end;
) A, S& p8 d. |0 q# E/ h# {如果分支比较多,用:0 f! J" w* P& g# b: n1 f5 |$ k3 @
inspect <expression>+ f2 h* \$ N. y$ ^/ ]+ m
when <constant_list> then) l6 x/ N; c# h( y/ c% U4 h6 L
<statement sequence1>;
( I! p1 V! W2 F m3 Q0 y when <constant_list> then
& y* y% l! q8 T6 q! n9 _5 u: X <statement sequence2>;7 f1 |# R3 X2 Q+ |6 Q
...
9 R1 k+ P6 n t1 W/ s* h else) I3 Y! j) D6 K! }
<statement sequence3>;
2 { ?, g, ?- O# P7 Qend;* F; R& _8 h5 D. K. S" B
4 g2 ]9 U* H+ g8 W* ^) y6 U0 w2循环语句
! S$ o: L5 l- ~+ }* c$ U (1) from <statement sequence1>% N A' S5 ~+ e C5 S0 N) G# s" s! k) h
until <condition> loop
+ j7 l9 [3 a0 J4 C$ @0 m, x <statement sequence2>;
. r) X2 {+ l" R6 f0 g! D! @$ n/ N( y end;
1 }8 N7 r+ M$ |6 G% a- v2 P) T7 p (2) while <condition> loop+ M& H5 W f/ s! \3 [' o
<statement sequence1>;
4 M ~( X% ~2 W2 r' y4 Y end;) \2 h; P0 f3 g
(3) repeat $ o! g3 z% [' [0 T/ u6 M3 ^( u
<statement sequence1>;" w; y) W P# U( Y9 {
until <condition>;+ K5 p& ^8 q7 p0 N2 J. r" \+ g- K
(4) for <condition> to <condition> loop9 L' c1 Q# B$ d N+ A
<statement sequence1>;# _, Z( X1 w$ ^
next;1 G) _* }# n5 A
3中断语句
8 m0 P, g" _6 I' p( S/ o waituntil <condition> prio <integer expression>;2 x. T9 S7 [% O7 c8 t% ^) X' o, v
y7 z+ d; t: b1 e; ]2 P' u* s; E& q- f
以上为常用的函数!) f; r1 E7 `& O, j- p
还有很多,如有需要我把资料发到你邮箱里
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