第一阶段的总结0816

#pragma mark - NSURLConnectionDataDelegate
//4. 只有出错才会到这里
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
    NSLog(@"Failed: %@", error);
}

//1. 先接受到响应信息，能够知道等下接受的数据是什么样的
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
    NSLog(@"Response: %@", response);
    NSLog(@"Total length: %lld", [response expectedContentLength]);
    
}

//NSFileHandle

//2. 分次接受数据
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
    if (connection==connection1)
    {
        [_mData1 appendData:data];
    }
    else
    {
        [_mData2 appendData:data];
    }
}

- (void)getImage:(NSDictionary *)str imgView:(UIImageView *)imgView label:(UILabel*)lab
{
    NSString *string=[NSString stringWithFormat:@"http://112.124.25.143:8080/TradeCms%@",str[@"imgUrl"]];
    NSURL *url1=[NSURL URLWithString:string];
    NSURLRequest *imageRequest=[NSURLRequest requestWithURL:url1 cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
    //            NSLog(@"--@--%@",url1);
    
    [NSURLConnection sendAsynchronousRequest:imageRequest queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError)
     {
//         NSLog(@"%@",data);
         UIImage *image=[UIImage imageWithData:data];
         imgView.image=image;
         lab.text=str[@"title"];
     }];
//    NSData *imageData=[NSURLConnection sendSynchronousRequest:imageRequest returningResponse:nil error:nil];
    //        NSData *imageData=[NSData dataWithContentsOfURL:url1 options:NSDataReadingMappedIfSafe error:nil];
//    UIImage *image=[UIImage imageWithData:imageData];
//    return  image;
}

- (void)getImage:(NSDictionary *)str flag:(int)fg
{
    NSString *string=[NSString stringWithFormat:@"http://112.124.25.143:8080/TradeCms%@",str[@"smallImg"]];
    NSURL *url1=[NSURL URLWithString:string];
    //    NSLog(@"--@--%@",url1);
    NSURLRequest *imageRequest=[NSURLRequest requestWithURL:url1 cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
    //            NSLog(@"--@--%@",url1);
    [NSURLConnection sendAsynchronousRequest:imageRequest queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError)
     {
         //         NSLog(@"%@",data);
         flag++;
         NSString *key=[NSString stringWithFormat:@"%d",fg];
         [imgDic setObject:data forKey:key];
//         table.delegate=self;
//         table.dataSource=self;
//         [table reloadData];

         if (flag>9)
         {
             table.delegate=self;
             table.dataSource=self;
             [table reloadData];
             if ([activity isAnimating])
             {
                 [activity removeFromSuperview];
             }

         }
     }];
}

//3. 下载完成
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
    if (connection==connection1)
    {
        NSLog(@"conn1 finished...");
        NSDictionary *dic=[NSJSONSerialization JSONObjectWithData:_mData1 options:NSJSONReadingAllowFragments error:nil];
//        NSLog(@"%@",dic);
        _mArray1=[dic objectForKey:@"contents"];
//        NSLog(@"%@",_mArray1);
        
        [self getImage:_mArray1[0]imgView:scrImageView1 label:xinXiLab];
        [self getImage:_mArray1[1]imgView:scrImageView2 label:xinXiLab2];
        [self getImage:_mArray1[2]imgView:scrImageView3 label:xinXiLab3];
//        if ([activity isAnimating])
//        {
//            [activity removeFromSuperview];
//        }
        
    }
    else
    {
        NSLog(@"conn2 finished...");

        NSDictionary *dic=[NSJSONSerialization JSONObjectWithData:_mData2 options:NSJSONReadingAllowFragments error:nil];
//        NSLog(@"%@",dic);
        _mArray2=[dic objectForKey:@"contents"];
//        NSLog(@"%@",_mArray2);

        for (int i=0; i<10; i++)
        {
            [self getImage:_mArray2[i] flag:i];
        }
//        table.delegate=self;
//        table.dataSource=self;
//        [table reloadData];
    }
  
}