使用QRCode简单生成二维码

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//

//  ViewController.m

//  二维码

//

//  Created by 123 on 16/9/4.

//  Copyright © 2016年 彭洪. All rights reserved.

//

#import "ViewController.h"

#import "QRCodeGenerator.h"//引入库

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

self.view.backgroundColor = [UIColor whiteColor];

[self initQRCode];

}

- (void)initQRCode {

CGFloat w = [UIScreen mainScreen].bounds.size.width;

NSArray *arr = @[[QRCodeGenerator qrImageForString:@"Key" imageSize:400],

[QRCodeGenerator qrImageForString:@"Key1" imageSize:400 Topimg:[UIImage imageNamed:@"super.jpg"]],

[QRCodeGenerator qrImageForString:@"Key3" imageSize:400 withPointType:QRPointRound withPositionType:QRPositionRound withColor:[UIColor redColor]]

];

for (int i=0; i<3; i++) {

UIImageView *qr = [[UIImageView alloc] initWithFrame:CGRectMake((i%3)*w/3, 100+(i/3)*w/3, w/3, w/3)];

qr.image = arr[i];

[self.view addSubview:qr];

}

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end