更新时间:2021-07-22 15:58:05
从ASIHTT prequest文档
[request addRequestHeader:@"Authorization"
value:[NSString stringWithFormat:@"Basic %@",
[ASIHTTPRequest base64forData:
[[NSString stringWithFormat:@"%@:%@", theUsername, thePassword]
dataUsingEncoding:NSUTF8StringEncoding]]]];