iOS 修改默认 UserAgent
User-Agent(用户代理)字符串是Web浏览器用于声明自身型号版本并随HTTP请求发送给Web服务器的字符串,在Web服务器上可以获取到该字符串。
UIWebView修改UserAgent
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectZero]; NSString *userAgent = [webView stringByEvaluatingJavaScriptFromString:@"navigator.userAgent"]; NSString *newUserAgent = [userAgent stringByAppendingString:@"native_iOS"];//自定义需要拼接的字符串 NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:newUserAgent, @"UserAgent", nil]; [[NSUserDefaults standardUserDefaults] registerDefaults:dictionary];
wkWebView修改UserAgent
__block WKWebView* web = [[WKWebView alloc]initWithFrame:CGRectZero]; [web evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id result, NSError *error) { NSString *userAgent = result; NSString *newUserAgent = [userAgent stringByAppendingString:@"/native_iOS"];//自定义需要拼接的字符串 NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:newUserAgent, @"UserAgent", nil]; [[NSUserDefaults standardUserDefaults] registerDefaults:dictionary]; //如果是web是局部变量需要一些操作来延长它的生命周期,如下这样写就可以 web = nil; }];