// 1. URLRequestNSURL *url = [NSURL URLWithString:@ "http://localhost/uploads/xxx.png" ];NSMutableURLRequest *requestM = [NSMutableURLRequest requestWithURL:url cachePolicy:0 timeoutInterval:2.0f];requestM.HTTPMethod = @ "PUT" ;// 设置用户授权// 1> 授权字符串(用户名+密码)NSString *authStr = @ "admin:123456" ;// 2> BASE 64编码NSData *authData = [authStr dataUsingEncoding:NSUTF8StringEncoding];NSString *base64Str = [authData base64EncodedStringWithOptions:0];NSString *auth = [NSString stringWithFormat:@ "BASIC %@" , base64Str];[requestM setValue:auth forHTTPHeaderField:@ "Authorization" ];版权声明:本文为yangchen9931原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。