uiNSURLas

//
//  netConnection.m
//  uiNSURLas
//
//  Created by lh2718 on 16/4/5.
//  Copyright © 2016年 lh2718. All rights reserved.
//


#import "netConnection.h"






@interface netConnection ()<NSURLSessionDataDelegate,NSURLSessionDelegate>


@property (nonatomic, retain)NSMutableData *data;
@property (nonatomic, assign)NSInteger identifier;




@end


@implementation netConnection




-(void)dealloc
{
    [_data release];
    [super dealloc];
}
-(instancetype)init
{
    self = [super init];
    if(self)
    {
        self.data = [NSMutableData data];
    }
    return self;
}


 
+(instancetype)netConnectionWithURL:(NSString *)strURL parameters:(NSDictionary  *)paramenters delegate:(id<netConnectionDelegate>)delegate identifier:(NSInteger)identifier
{
    NSString *par = @"";
    //拼接网址
    for(NSString *key in paramenters)
    {
        if([par length] == 0)
        {
            par = [NSString stringWithFormat:@"?%@=%@",key,[paramenters objectForKey:key]];
        }
        else{
            par = [NSString stringWithFormat:@"%@&%@=%@",par,key,[paramenters objectForKey:key]];
            
        }
    }
    strURL = [NSString stringWithFormat:@"%@%@",strURL,par];
    
    netConnection *netConn = [[netConnection alloc]init];
    netConn.delegate = delegate;
    netConn.identifier = identifier;
    [netConn startURLSession:strURL];
    return [netConn autorelease];
}
-(void)startURLSession:(NSString *)strURL
{
    NSURLSessionConfiguration *sessionConfig = [NSURLSessionConfiguration defaultSessionConfiguration];
    NSURLSession *session = [NSURLSession sessionWithConfiguration:sessionConfig delegate:self delegateQueue:[NSOperationQueue mainQueue]];
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:strURL]];
    
    NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request];
    [dataTask resume];
}


-(void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSURLResponse *)response completionHandler:(void (^)(NSURLSessionResponseDisposition))completionHandler
{
    completionHandler(NSURLSessionResponseAllow);
    
}


-(void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data
{
    [self.data appendData:data];
    
}


-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error
{
    [self.delegate connectionFinish:_data identifier:_identifier];
    
}




@end