二維碼生成器二維碼掃描
一)二維碼生成器
下載下傳demo:http://download.csdn.net/detail/llyouss/9574521
1.導入庫檔案(libqrencode)
配置:開啟這個HAVE_CONFIG_H宏定義 如下圖
build settings--> Preprocessor Macros ->添加“HAVE_CONFIG_H” 值
2.導入QRCodeGenerator.m/QRCodeGenerator.h檔案
3.二維碼生成調用例子
#import "QRCodeGenerator.h”
UIImage *image = [QRCodeGenerator qrImageForString:@"www.baidu.com" imageSize:200];
[self.qrCodeImageView setImage:image];
二) 二維碼掃描
下載下傳demo:http://download.csdn.net/detail/llyouss/9574523
1.導入類SYQRCodeViewController.h/SYQRCodeViewController.m
2.調用
#import "SYQRCodeViewController.h"
<span style="font-size:18px;">//打開攝像頭并掃描
- (IBAction)saomiaoAction:(id)sender
{
//掃描二維碼
SYQRCodeViewController *qrcodevc = [[SYQRCodeViewController alloc] init];
qrcodevc.SYQRCodeSuncessBlock = ^(SYQRCodeViewController *aqrvc,NSString *qrString){
self.saomiaoLabel.text = qrString;
[aqrvc dismissViewControllerAnimated:NO completion:nil];
};
qrcodevc.SYQRCodeFailBlock = ^(SYQRCodeViewController *aqrvc){
self.saomiaoLabel.text = @"fail~";
[aqrvc dismissViewControllerAnimated:NO completion:nil];
};
qrcodevc.SYQRCodeCancleBlock = ^(SYQRCodeViewController *aqrvc){
[aqrvc dismissViewControllerAnimated:NO completion:nil];
self.saomiaoLabel.text = @"cancle~";
};
[self presentViewController:qrcodevc animated:YES completion:nil];
}
</span>