本文实例为大家分享了ios保存图片到本地的具体代码,供大家参考,具体内容如下
一、工程图
二、代码
rootviewcontroller.h
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#import <uikit/uikit.h>
@interface rootviewcontroller : uiviewcontroller
{
uiimageview *imageview;
}
@end
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rootviewcontroller.m
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#import "rootviewcontroller.h"
@interface rootviewcontroller ()
@end
@implementation rootviewcontroller
- (id)initwithnibname:(nsstring *)nibnameornil bundle:(nsbundle *)nibbundleornil
{
self = [super initwithnibname:nibnameornil bundle:nibbundleornil];
if (self) {
// custom initialization
}
return self;
}
- ( void )viewdidload
{
[super viewdidload];
// do any additional setup after loading the view.
//初始化背景图
imageview=[[uiimageview alloc]initwithframe:cgrectmake(100, 100, 100, 100)];
imageview.backgroundcolor=[uicolor redcolor];
[self.view addsubview:imageview];
//将图片保存
[self archive];
//提取保存在本地的图片
[self unarchive];
}
#pragma -mark -functions
//归档
-( void )archive
{
nsdata *data=[nskeyedarchiver archiveddatawithrootobject:[uiimage imagenamed:@ "1.jpg" ]];
nsuserdefaults *imagedefault = [nsuserdefaults standarduserdefaults];
[imagedefault setobject:data forkey:@ "image" ];
[imagedefault synchronize];
}
//反归档
-( void )unarchive
{
nsdata* data = [[nsuserdefaults standarduserdefaults]objectforkey:@ "image" ];
id image= [nskeyedunarchiver unarchiveobjectwithdata:data];
imageview.image=image;
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。