iOS 扫描二维码功能开发方法

扫描二维码：

下载点击打开链接 然后直接调用即可。

-(void)scannclick

{

// 扫描二维码

wqcodescanner *scanner = [[wqcodescanner alloc] init];

[self presentviewcontroller:scanner animated:yes completion:nil];

scanner.resultblock = ^(nsstring *value) {

// uialertview *alertview = [[uialertview alloc] initwithtitle:value message:@"" delegate:nil cancelbuttontitle:@"ok" otherbuttontitles:nil];

// [alertview show];

scanncodeviewcontroller * scanncodevc = [[scanncodeviewcontroller alloc] init]; // 获取内容跳转到web页面

scanncodevc.urlstr = value;

[self.navigationcontroller pushviewcontroller:scanncodevc animated:yes];

};

}