// // ViewController.m // 圖片序列化和反序列化 // // Created by Qlinchao on 17/3/14. // Copyright ? 2017年 QLC. All rights reserved. // #import "ViewController.h"@interface ViewController () @property (weak, nonatomic) IBOutlet UIImageView *imageView;@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];NSArray *dirArray = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);NSString *path = [dirArray firstObject];path = [path stringByAppendingPathComponent:@"imageTest.jpg"];UIImage *image = [UIImage imageNamed:@"login_register_background.png"];NSData *imageData = UIImageJPEGRepresentation(image, 1.0);BOOL isWrite = [imageData writeToFile:path atomically:YES];if (isWrite) {NSLog(@"寫入成功");} else {NSLog(@"寫入失敗");}}-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{[self readFile]; } -(void)readFile{NSArray *dirArray = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);NSString *path = [dirArray firstObject];path = [path stringByAppendingPathComponent:@"imageTest.jpg"];NSLog(@"%@",path);if([[NSFileManager defaultManager] fileExistsAtPath:path]){NSData *picData = [NSData dataWithContentsOfFile:path];self.imageView.image = [UIImage imageWithData:picData];} }@end

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轉載于:https://www.cnblogs.com/sivek/p/6550579.html

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