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Objective-C-将条目从NSDictionary添加到NSMutableDictionary_Objective C_Ios_Json_Nsdictionary_Nsmutabledictionary - Fatal编程技术网

Objective-C-将条目从NSDictionary添加到NSMutableDictionary

Objective-C-将条目从NSDictionary添加到NSMutableDictionary,objective-c,ios,json,nsdictionary,nsmutabledictionary,Objective C,Ios,Json,Nsdictionary,Nsmutabledictionary,尝试将对象从NSDictionary加载到NSMutableDictionary时遇到问题-代码如下: dictListData = [[NSMutableDictionary alloc] initWithCapacity:200]; 似乎tempDataset是一个NSArray类。Flink关于它是一个NSArray类的回答应该是正确的。另外,如果您真的需要将NSDictionary转换为NSMutableDictionary,那么使用myDictionary.mutableCopy,

尝试将对象从
NSDictionary
加载到
NSMutableDictionary
时遇到问题-代码如下:

dictListData = [[NSMutableDictionary alloc] initWithCapacity:200];


似乎
tempDataset
是一个
NSArray
类。

Flink关于它是一个NSArray类的回答应该是正确的。另外,如果您真的需要将
NSDictionary
转换为
NSMutableDictionary
,那么使用
myDictionary.mutableCopy

请发布json数据或nslog JSONResultDictions,您可以看到tempDataset是什么类型的类:nslog(@“%@,[tempDataset className]);或者设置断点并查看调试器中的断点。谢谢,我已经为JSONResultDisct添加了NSLog输出。tempDataset的类名也是u NSCFArray??json的结果部分不是一个对象,而是一个数组。因此它将被反序列化到NSArray。因此,要么您必须更改数据,要么将目标容器更改为NS(可变)数组。非常感谢所有的评论,我认为我可以使用NSMUTABLEARRY,事实上这可能对我更好。谢谢
NSError *jsonError = nil;
NSDictionary *jsonResultDict = [NSJSONSerialization JSONObjectWithData:[httpRequestCopy responseData] options:kNilOptions error:&jsonError];
NSDictionary *tempDataset = [[jsonResultDict objectForKey:@"result"] objectAtIndex:0]; 

NSLog(@"tempDataset = %@", tempDataset);

[dictListData addEntriesFromDictionary:tempDataset];   // <-- Error here
jsonResultDict = {
    result =     (
                (
                        {
                stCode = 000477065;
                stDesc1 = "TIMER KNOB";
                stQtyFree = 0;
                stQtyInStock = 0;
            },
                        {
                stCode = 0010311;
                stDesc1 = "DBLE TAPER CHUCK CAP";
                stQtyFree = 10;
                stQtyInStock = 10;
            },
                        {
                stCode = "0016-103";
                stDesc1 = "1/8 I.D";
                stQtyFree = 0;
                stQtyInStock = 0;
            },
                        {
                stCode = "0016-104";
                stDesc1 = "1/4 I.D";
                stQtyFree = 0;
                stQtyInStock = 0;
            },
                        {
                stCode = "0016-157";
                stDesc1 = "1/8 x 1/16 X 1/8 TEE";
                stQtyFree = 0;
                stQtyInStock = 0;
            }
        )
    );
}