iOS 从网络获取json并解析

iOS 从网络获取son并解析

NSString* GXURL = PURL;

GXURL = [GXURL stringByAppendingString:@"/index.php/Api/android_getRankByShow/eid/521"],GXURL;

NSURL* url = [NSURL URLWithString:GXURL];

NSString* gongxian = [NSString stringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:nil];

NSData * data = [gongxian dataUsingEncoding:NSUTF8StringEncoding];//将string 转换成 NSdata

NSDictionary *json = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];//将 NSdata转换成字典

//NSLog(@"%@",json);

NSString* callBackData = [json valueForKey:@"data"];

//NSLog(@"%@",callBackData);

if([callBackData isEqual:@"0"])

{

}

else

{

NSMutableArray *newList = [[NSMutableArray alloc] init];

for(NSArray* item in callBackData)

{

NSString* nickname = [item valueForKey:@"nickname"];

//NSLog(@"%@",nickname);

NSString* gongxianStr = [NSString stringWithFormat:@"%@",nickname];

[newList addObject:gongxianStr];

}

_list = newList;

[_devoteTable reloadData];

}

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