import

typedef void (^completeBlock)(id result); typedef void (^errorBlock)(NSError *error); @interface NetworkRequest : NSObject
+(NetworkRequest *)shareInstance; -(void)networkRequestWithUrlstr:(NSString *)urlStr requestType:(NSString *)requestType paramaterDic:(NSDictionary *)paramaterDic completeBlock:(completeBlock)completeBlock errorBlock:(errorBlock)errorBlock; @end
/*************************/

import "NetworkRequest.h"

static NetworkRequest *netRequest = nil; @implementation NetworkRequest +(NetworkRequest *)shareInstance{ static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ netRequest = [[NetworkRequest alloc]init]; }); return netRequest; } -(void)networkRequestWithUrlstr:(NSString *)urlStr requestType:(NSString *)requestType paramaterDic:(NSDictionary *)paramaterDic completeBlock:(completeBlock)completeBlock errorBlock:(errorBlock)errorBlock{

NSURL *url = [NSURL URLWithString:urlStr];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:15];
request.HTTPMethod = requestType;
request.HTTPBody = [self makeParamaterToDataWithDic:paramaterDic];

NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *task  = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
    if (!error) {
        id result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
        completeBlock(result);
    }else
    {
        errorBlock(error);
    }
}];
[task resume];

}

(NSData *)makeParamaterToDataWithDic:(NSDictionary *)dic{ NSString *paramateStr = [NSString string]; NSMutableArray *array = [[NSMutableArray alloc] init]; for (NSString *key in dic) { [array addObject:[NSString stringWithFormat:@"%@=%@",key,dic[key]]]; } paramateStr = [array componentsJoinedByString:@"&"]; NSData *data = [paramateStr dataUsingEncoding:NSUTF8StringEncoding]; return data; } @end