[英]how to get array response from json in string?
我从这样的 json 得到响应
parcel = (
{
datetime = "2015-08-31 21:48:45";
height = 2;
id = 21;
invoice = NO;
length = 2;
mtype = IN;
"num_item" = 2;
"parcel_number" = 1;
pname = "Parcel number - 1";
"pro_number" = tanu;
status = 1;
type = Exact;
uid = 185;
weight = 2;
width = 2;
wtype = KG;
}
);
我想获取字符串中的高度、日期时间、发票.. 怎么做? 任何人都可以帮助我解决这个问题...
NSArray * arr_Parcel = [[NSArray alloc]initWithArray:data];
NSMutableDictionary * temp_Dict = [[NSMutableDictionary alloc]init];
for (int i = 0 ; i < arr_Parcel.count; i++)
{
temp_Dict = [arr_Parcel objectAtIndex:i];
NSString * strHeight = [temp_Dict objectForKey:"height"];
NSString * strdate = [temp_Dict objectForKey:"datetime"];
}
如果您使用 Swift,请使用SwiftJSON来处理 JSON。 它很容易使用。 例如:
var jsonData = jsonString.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
let json = JSON(data: jsonData)
print(json["height"].double) // 2
print(json["datatime"].string) // "2015-08-31 21:48:45"
...
创建一个NSObject
类并通过NSDictionary
创建一个模型类。
In your ViewController Class:
“包裹”是你的阵列
ModelClass * modelClass = [ModelClass alloc] initWithNewsDictionary: parcel[0]];
在ModelClass.h
类中创建所需的变量。
-(id)initWithNewsDictionary:(NSDictionary *)dictionary
{
self = [super init];
if (self) {
self.height = dictionary[@"height"];
self.datetime = dictionary[@"datetime"];
self.invoice = dictionary[@"invoice"];
self.weight = dictionary[@"weight"];
}
return self;
}
尝试这个 :-
NSString *height=[NSString stringWithFormat:@"%@",[[[YourJson valueForKey:@"parcel"] objectAtIndex:0] objectForKey:@"height"]];
NSString *dateTime=[NSString stringWithFormat:@"%@",[[[YourJson valueForKey:@"parcel"] objectAtIndex:0] objectForKey:@"datetime"]];
NSString *invoice=[NSString stringWithFormat:@"%@",[[[YourJson valueForKey:@"parcel"] objectAtIndex:0] objectForKey:@"invoice"]];
NSLog(@"height : %@ , date=%@ ,invoice=%@",height,dateTime,invoice);
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