iOS中上传Array形式的json数据

{
"key" :
[
{"type":"1","score":12},
{"type":"2","score":14},
{"type":"3","score":10}
]
}

#import "SBJson.h"

SBJsonWriter *sbJson = [[SBJsonWriter alloc] init];
NSString *str = [sbJson stringWithObject:uploadArr];
NSDictionary *dic = [[NSDictionary alloc] initWithObjectsAndKeys:str,@"key", nil];

Printing description of str:
[{"type":"1","score":12},{"type":"2","score":14},{"type":"3","score":10}]

Printing description of dic:
{
scoreList = "[{\"type\":\"1\",\"score\":12},{\"type\":\"2\",\"score\":14},{\"type\":\"3\",\"score\":10}]";
}