6.8

作业  同时下载两张图片 显示进度

请求

nsdata :nsstring nsarray nsdic

{}字典

[]数组

nsjson

街旁网 开源平台

http://dev.jiepang.com/doc

-(void)pressBtn{

    NSString *str = [NSString stringWithFormat:@"http://api.jiepang.com/v1/categories/list?source=100456"];
    NSURL *url = [NSURL URLWithString:str];
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL:url];
    //    [NSURLConnection connectionWithRequest:request delegate:self];
             
    NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    NSString *string1 = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
             
    NSLog(@"%@",string1);
//    NSArray *arr = [string1 JSONValue];
             
    NSLog(@"%s",__FUNCTION__);

}