cH7.2.-/02. *. 6/*.3?@.21:6G iOS UI X3,9,:0.2
2012-03-07 | © 2012 Apple Inc. All Rights Reserved.
137
\0.I= H@:10? I.3?5, .I .*6/1:66 *67,+1 -10= 6 2+,9,:6 2 215,9 7.-,, /9.0+60,
UIDatePicker Class Reference.
$:,5:68 26- 6 N.2,-,:6,
N67,+ -10= 6 2+,9,:6 9.>,0 69,0? -. F,0=+,K .0-,3?:=K 7.3,/, 71>-., 6@ 7.0.+=K
.0.I+1>1,0 -1::=, *. .0-,3?:.8 710,B.+66, 0176, 717 9,/4A 636 F1/. N.3?@.210,36
*+.7+HF621G0 71>-., 7.3,/. -. 0,K *.+, *.71 :1 :,9 :, .0.I+1@40/4 :,.IK.-69=,
-1::=, *.- *31:7.8 2=I.+1, 7.0.+14 *+.K.-60 F,+,@ /,+,-6:H *67,+1. 6:13?:=,
-1::=, 273GF1G0 2 /,I4 -1::=,, .0.I+1>,::=, :1 71>-.9 7.3,/,.
iIJ68 +1@9,+ *67,+1 -10= 6 2+,9,:6 @1C67/6+.21: 2 0.9 >, /19.9 +1@9,+,, 717 6
+1@9,+ 7312610H+= 2 iPhone.
g *67,+1 -10= 6 2+,9,:6 ,/0? F,0=+, +,>691, 71>-=8 6@ 7.0.+=K .0.I+1>1,0
+1@36F:., 7.36F,/02. 7.3,/, 7.0.+=, /.-,+>10 :1I.+ +1@36F:=K @:1F,:68.
- Z ) ,
. c,>69 -10= 6 2+,9,:6 .0.I+1>1,0 7.3,/1 -34 -1::=K 713,:-1+:.8
-10=, F1/1 6 96:H0 / .*A6.:13?:. -.*.3:60,3?:=9 7.3,/.9 .*+,-,3,:64 F1/1 -. 6
*./3, *.3H-:4 (AM/PM). X0.0 +,>69 - *. H9.3F1:6G.
- D) ,
. c,>69 2+,9,:6 .0.I+1>1,0 7.3,/1 -34 @:1F,:68 F1/1 6 96:H0 / .*A6.:13?:.
-.*.3:60,3?:=9 7.3,/.9 .*+,-,3,:64 F1/1 -. 6 *./3, *.3H-:4 (AM/PM).
- Z
. c,>69 -10= .0.I+1>1,0 7.3,/1 -34 @:1F,:68 9,/4A1, -:4 6 B.-1.
- N % )
*
. c,>69 0189,+1 .0/F,01 .0.I+1>1,0 7.3,/1 /. @:1F,:6496 -34 F1/1 6
96:H0. $= 9.>,0, .*+,-,360? .IJHG -360,3?:./0? .0/F,01 -. 917/69H9 23 F1/.2 6 59
96:H0.
cH7.2.-/02.
W/*.3?@H80, *67,+ -10= 6 2+,9,:6, F0.I= *.@2.360? *.3?@.210,349 2=I6+10? (29,/0.
0.B., F0.I= :1I6+10? 0,7/0 2+HF:HG) -1::=, *. -10, 6 2+,9,:6, 7.0.+=, /./0.40 6@
+1@36F:=K F1/0,8, 0176K 717 -,:?, 9,/4A 6 B.-. N67,+ -10= 6 2+,9,:6 3,B.7 2
6/*.3?@.21:66, *.0.9H F0. -1::=, 2 71>-.8 6@ ,B. F1/0,8 69,G0 .0:./60,3?:. 913=,
@:1F,:64 6 *.3?@.210,36 H>, @:1G0 6K.
I .
'
,
+ - ) & ,,
)
,
0) & :
'
. N. H9.3F1:6G 96:H0:., 7.3,/. .0.I+1>1,0 60 @:1F,:68 (.0 0
-. 59). L/36 219 :,.IK.-69. .0.I+1@60? B+HIHG 21+61A6G 2=I.+1, 2= 9.>,0,
