Objective c 在iPhone中插入更多密钥

如何向json文件添加多个密钥

NSArray *keys = [NSArray arrayWithArray:allkeys];
NSArray *objects = [NSArray arrayWithArray:allobjects];

NSDictionary *jsonDictionary = [NSDictionary dictionaryWithObjects:objects forKeys:keys];

正如您在上面看到的，键foreJsonDictionary是键，但是我想要一个包含更多键的键。我尝试了“forKeys:keys，keys2”（keys2）另一个数组，但不起作用。现在的结果是：

{"text2":"Untitled {{400, 100}, {200, 100}} <UICFFont: 0x2c3960> font-family: \"Helvetica\"; font-weight: normal; font-style: normal; font-size: 12px","text3":"Untitled {{400, 100}, {200, 100}} <UICFFont: 0x2c3960> font-family: \"Helvetica\"; font-weight: normal; font-style: normal; font-size: 12px","text1":"Untitled {{400, 100}, {200, 100}} <UICFFont: 0x2c3960> font-family: \"Helvetica\"; font-weight: normal; font-style: normal; font-size:     12px"}

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提前感谢您的帮助

您必须创建嵌套NSDictionary的层次结构才能实现您想要做的事情

大概是这样的：

{  
"menu": {  
    "header": "xProgress SVG Viewer",  
    "items": [  
        {  
            "id": "Open"  
        },  

// the following objecst are just dummies, fill this with your own objects
NSArray *objectArray = [NSArray arrayWithOjects:obj1,obj2,obj3,nil];
NSArray *keyArray = [NSArray arrayWithOjects:@"key1",@"key2,@"key3",nil];

NSDictionary *subDict = [NSDictionary dictionaryWithObjects:objectArray forKeys:keyArray];

// now create the main dictionary, which will hold your sub dictionary for one key
objectArray = [NSArray arrayWithObjects:,subDict,someObject,@"just a string"];
keyArray = [NSArray arrayWithObjects:@"first key",@"second key",@"third key"];

NSDictionary *mainDict = [NSDictionary dictionaryWithObjects:objectArray forKeys:keyArray];

您的示例JSON将具有以下结构：

带有键“menu”的NSDictionary，其中包含另一个NSDictionary。此字典具有键“header”，其中包含字符串，键“items”中包含NSDictionary数组