对于我想创建格式如下所述的 JSON 的应用程序,
"Students" : {
"results": {
"Grade1": {
"studentresult": "pass",
"marksheet": "provided"
},
"ID": 01,
"Name": "Student1",
}
}
我正在使用以下代码创建相同的代码,
NSMutableDictionary *gradedetails = [[NSMutableDictionary alloc] init];
[gradedetails setObject:@"pass" forKey:@"studentresult"];
[gradedetails setObject:@"provided" forKey:@"marksheet"];
NSMutableDictionary *sdetails = [[NSMutableDictionary alloc] init];
[sdetails setObject:@"01" forKey:@"ID"];
[sdetails setObject:@"Name" forKey:@"Student1"];
NSMutableDictionary *grade = [[NSMutableDictionary alloc] init];
[grade setObject:gradedetails forKey:@"Grade1"];
NSMutableArray *rarray = [[NSMutableArray alloc] init];
[rarray addObject:grade];
[rarray addObject:sdetails];
NSMutableDictionary *results = [[NSMutableDictionary alloc] init];
[results setObject:rarray forKey:@"results"];
NSMutableDictionary *stud = [[NSMutableDictionary alloc] init];
[stud setObject:rdic forKey:@"Students"];
NSData *jsondata = [NSJSONSerialization dataWithJSONObject:stud options:NSJSONWritingPrettyPrinted error:&error];
我得到的格式如下,
"Students" : {
"results" : [
{
"Grade1" : {
"studentresult" : "pass",
"marksheet" : "provided"
}
},
{
"ID" : "01",
"Name" : "Student1"
}
]
}
有人可以帮我创建格式吗。
谢谢。
最佳答案
需要的数据,可以通过这种方式获取。只需将 stud dict 转换为 JSON 或您想要的任何其他格式。删除那个数组,你不需要它,正如你在要求的格式中提到的那样。
NSMutableDictionary *gradedetails = [[NSMutableDictionary alloc] init];
[gradedetails setObject:@"pass" forKey:@"studentresult"];
[gradedetails setObject:@"provided" forKey:@"marksheet"];
NSMutableDictionary *sdetails = [[NSMutableDictionary alloc] init];
[sdetails setObject:@"01" forKey:@"ID"];
[sdetails setObject:@"Name" forKey:@"Student1"];
[sdetails setObject:gradedetails forKey:@"Grade1"];
NSMutableDictionary *results = [[NSMutableDictionary alloc] init];
[results setObject:sdetails forKey:@"results"];
NSMutableDictionary *stud = [[NSMutableDictionary alloc] init];
[stud setObject:results forKey:@"Students"];
NSLog(@"Required Format Data is %@",stud);
关于iphone - 在 Objective C 中创建 JSON 格式,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16057281/