我正在尝试从从JSON字符串创建的字典中获取信息。JSON 字符串从服务器返回并放入字典中。该字典被传递给myMethod,它应该分解它,以便我可以获取每条记录包含的信息。
"记录集"是一个数组。记录也是一系列字典。
如何访问字典?我一直得到NSDictionaryM objectAtIndex:发送到实例的无法识别的选择器
Recordset = (
{
Record = (
{
MODMAKlMakeKey = 1112;
MODlModelKey = 1691;
MODvc50Name = "10/12 Series 2";
},
{
MODMAKlMakeKey = 1112;
MODlModelKey = 1687;
MODvc50Name = "10/4";
},
{
MODMAKlMakeKey = 1112;
MODlModelKey = 1686;
MODvc50Name = "10/6";
},
等等等等...( 约 100 条记录 )
这是我所拥有的
- (void) myMethod : (NSDictionary*) dictionary {
//INITIAL
NSArray * arrRecordSet = [dictionary objectForKey:@"Recordset"];
NSArray * arrRecord = [arrRecordSet objectAtIndex:0];
NSDictionary * theRecord = [NSDictionary dictionaryWithObjects:arrRecord forKeys:[arrRecord objectAtIndex:0]];
for (int i = 0; i < arrRecord.count; i++) {
NSLog(@"MODMAKlMakeKey: %@", [theRecord objectForKey:@"MODMAKlMakeKey"]);
}
}
试试这个
NSArray * arrRecord = [arrRecordSet objectForKey:@"Record"];
首先尝试检查 [dictionary objectForKey:@"Recordset"] 的返回是字典还是数组。
为此:
if([[dictionary objectForKey:@"Recordset"] isKindOfClass:[NSArray class]]) {
//object is array
}
else if ([[dictionary objectForKey:@"Recordset"] isKindOfClass:[NSDictionary class]]) {
//object is dictionary
}