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好吧,愚蠢的问题,这应该是显而易见的,但我所有的谷歌搜索都没有做任何事情。
我遇到过这两种方法:
myarray/dictionary = [jsonDictionary objectForKey:@"ID"];
这将获取 key ID 对
myarray/dictionary = jsonDictionary[@"COMMON"];
这省略了 COMMON
这是我的 json 字典,如何获取所有 ID 键的数组?
{
COMMON = {
CATEGORY = computing;
"NUM_PER_PAGE" = 0;
"PAGE_NO" = 0;
"REQUEST_DATE" = 201410271757;
"RESULT_CD" = 0000;
"RESULT_MSG" = SUCCESS;
"SVC_ID" = 7;
TARGET = "list(VM)";
};
DATA = {
"VM_LIST" = (
{
"@SVC_ID" = 7;
ID = VMSPE0000000083;
"MACHIN_STATUS_DESC" = "[150748]success:virtual machine power on";
"MEM_SIZE_MB" = 1024;
"OS_NAME" = "CentOS_6.4_en_64";
"PURPOSE_NM" = "Service_Default";
"SERVER_STATUS_MSG" = "VM running";
"USVC_DESC" = "7/Running, No Change r/hurhurhur, Inc.";
"VCPU_CNT" = 2;
"VIRT_TYPE_DESC" = "Para Virtualization";
"VM_ALIAS" = CV00900000083;
"VM_OPER_DESC" = "Power On";
"VNIC_CNT" = 1;
},
{
"@SVC_ID" = 7;
ID = VMSPE0000000093;
"MACHIN_STATUS_DESC" = "[150749]success:virtual machine reboot";
"MEM_SIZE_MB" = 2048;
"OS_NAME" = "Gentoo _2011-0 _en_64";
"PURPOSE_NM" = "Service_Default";
"SERVER_STATUS_MSG" = "VM running";
"USVC_DESC" = "7/Running, No Change r/hurhurhur, Inc.";
"VCPU_CNT" = 1;
"VIRT_TYPE_DESC" = "Para Virtualization";
"VM_ALIAS" = CV00900000093;
"VM_OPER_DESC" = Reboot;
"VNIC_CNT" = 1;
},
{
"@SVC_ID" = 7;
ID = VMSPE0000000096;
"MACHIN_STATUS_DESC" = "[163023]success:virtual machine running";
"MEM_SIZE_MB" = 1024;
"OS_NAME" = "OpenSuse_12.1_en_64";
"PURPOSE_NM" = "Service_Default";
"SERVER_STATUS_MSG" = "VM running";
"USVC_DESC" = "7/Running, No Change r/hurhurhur, Inc.";
"VCPU_CNT" = 2;
"VIRT_TYPE_DESC" = "Para Virtualization";
"VM_ALIAS" = CV00900000096;
"VM_OPER_DESC" = "Vm Initialization";
"VNIC_CNT" = 1;
}
);
};
}
数组的正确输出是
@"VMSPE0000000083", @"VMSPE0000000093", @"VMSPE0000000096"
我似乎无法弄清楚,嵌套让我很困惑。
最佳答案
这是直接获取数组中响应值的答案
//just give your URL instead of my URL
NSMutableURLRequest *request=[NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://http://stackoverflow.com/questions/26587283/parse-json-dictionary-array-within-arrays-get-objects-for-key-in-deeper-nests/26589961#26589961"]];
[request setHTTPMethod:@"GET"];
[request setValue:@"application/json;charset=UTF-8" forHTTPHeaderField:@"content-type"];
NSError *err;
NSURLResponse *response;
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&err];
NSDictionary *jsonArray = [NSJSONSerialization JSONObjectWithData:responseData options: NSJSONReadingMutableContainers error: &err];
//step by step getting values from Array[copy the Dictionary values to Array] format
NSMutableArray *array = [[jsonArray objectForKey:@"COMMON"] mutableCopy];
NSString *strCAT = [NSString stringWithFormat:@"%@",[array valueForKey:@"CATEGORY"]];
NSString *strNUM = [NSString stringWithFormat:@"%@",[array valueForKey:@"NUM_PER_PAGE"]];
NSString *strPAGE = [NSString stringWithFormat:@"%@",[array valueForKey:@"PAGE_NO"]];
NSString *strREQUEST = [NSString stringWithFormat:@"%@",[array valueForKey:@"REQUEST_DATE"]];
NSString *strRESULT = [NSString stringWithFormat:@"%@",[array valueForKey:@"RESULT_CD"]];
NSString *strRESULT_MS = [NSString stringWithFormat:@"%@",[array valueForKey:@"RESULT_MSG"]];
NSString *strSVC = [NSString stringWithFormat:@"%@",[array valueForKey:@"SVC_ID"]];
NSString *strTAR = [NSString stringWithFormat:@"%@",[array valueForKey:@"TARGET"]];
//Getting values from Mutiple Dictionary of Array inside the Dictionary.We are going to have all values of SVC_ID,ID,MACHIN_STATUS_DESC,MEM_SIZE_MB,OS_NAME,PURPOSE_NM,SERVER_STATUS_MSG,USVC_DESC,VCPU_CNT,VM_ALIAS,VIRT_TYPE_DESC,VM_OPER_DESC,VNIC_CNT in seperate Array directly using valueForKeyPath.
NSDictionary *dictValue = [jsonArray valueForKey:@"DATA"];
NSMutableArray *arraySVC_ID = [dictValue valueForKeyPath:@"VM_LIST.@SVC_ID"];
NSMutableArray *arrayID = [dictValue valueForKeyPath:@"VM_LIST.ID"];
NSMutableArray *arrayMACHIN_STATUS_DESC = [dictValue valueForKeyPath:@"VM_LIST.MACHIN_STATUS_DESC"];
NSMutableArray *arrayMEM_SIZE_MB = [dictValue valueForKeyPath:@"VM_LIST.MEM_SIZE_MB"];
NSMutableArray *arrayOS_NAME = [dictValue valueForKeyPath:@"VM_LIST.OS_NAME"];
NSMutableArray *arrayPURPOSE_NM = [dictValue valueForKeyPath:@"VM_LIST.PURPOSE_NM"];
NSMutableArray *arraySERVER_STATUS_MSG = [dictValue valueForKeyPath:@"VM_LIST.SERVER_STATUS_MSG"];
NSMutableArray *arrayUSVC_DESC = [dictValue valueForKeyPath:@"VM_LIST.USVC_DESC"];
NSMutableArray *arrayVCPU_CNT = [dictValue valueForKeyPath:@"VM_LIST.VCPU_CNT"];
NSMutableArray *arrayVM_ALIAS = [dictValue valueForKeyPath:@"VM_LIST.VM_ALIAS"];
NSMutableArray *arrayVIRT_TYPE_DESC = [dictValue valueForKeyPath:@"VM_LIST.VIRT_TYPE_DESC"];
NSMutableArray *arrayVM_OPER_DESC = [dictValue valueForKeyPath:@"VM_LIST.VM_OPER_DESC"];
NSMutableArray *arrayVNIC_CNT = [dictValue valueForKeyPath:@"VM_LIST.VNIC_CNT"];
关于ios - 解析 json 字典,数组中的数组?在更深的巢穴中获取关键对象?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26587283/
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