NSURLSession *session = [NSURLSession sharedSession];
//根据会话对象创建task
NSURL *url = [NSURL URLWithString:@"http://base.api.owl361.com/app/user/syslogin"];
//创建可变的请求对象
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
//修改请求方法为POST
request.HTTPMethod = @"POST";
//设置请求体
NSDictionary * headerD = @{@"version":@"1.0",@"sign":@"",@"tokenid":@"123",@"sign_t":@"0",@"tag":@"123",@"from":@"300"};
NSData * headerData = [NSJSONSerialization dataWithJSONObject:headerD options:0 error:nil];
NSString * headerStr = [[NSString alloc]initWithData:headerData encoding:NSUTF8StringEncoding];
[request setValue:headerStr forHTTPHeaderField:@"rqs-header"];
NSDictionary * bodyDic = @{@"verifycode":@"123",@"username":parm[@"nameText"],@"password":parm[@"rsa"]};
NSData * bodyData = [NSJSONSerialization dataWithJSONObject:bodyDic options:0 error:nil];
NSString * bodyStr = [[NSString alloc]initWithData:bodyData encoding:NSUTF8StringEncoding];
request.HTTPBody = [bodyStr dataUsingEncoding:NSUTF8StringEncoding];
//根据会话对象创建一个Task(发送请求）
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
//解析数据
NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];
NSLog(@"%@",dict);
}];
//执行任务
[dataTask resume];
