//
// 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
原文：http://www.cnblogs.com/PengHongMiao/p/5847296.html