Objective c 如何使用objective c绘制基于json数据的无键Shinobi图

我在下面这个结构中绘制json数据时遇到了问题

{"response":{"hash":"0fea72f2bea9820c18227a655b42fe66","resp_code":"GRAPH_RETRIEVED","code":200},"resultstats":{"record_count":46},"ana_uoms":["°C"],"data":[{"asset_id":204,"company_id":30,"asset_name":"WIF","stats":{"min":1.4,"max":6.9,"min_tstamps_count":1,"min_tstamps":["2015-03-17 08:30:00"],"max_tstamps":["2015-03-17 11:00:00","2015-03-17 11:30:00","2015-03-17 13:40:00","2015-03-17 14:50:00"],"mkt":5.91,"max_tstamps_count":4,"avg":5.8},"component_type":"ana_in","component_description":"WFt","site_name":"Kll","alarms":[],"sampling_rate":10,"region_name":"ll","component_id":8340,"company_name":"lb","uom":"°C","uom_decimal_places":1,"unit_sn":"3310","resolves":[],"records":[["2015-03-17 08:00",2.6],["2015-03-17 08:10",3.9],["2015-03-17 08:20",2.4],["2015-03-17 08:30",1.4],["2015-03-17 08:40",3.1],["2015-03-17 08:50",4.4],["2015-03-17 09:00",5.1],["2015-03-17 09:10",5.5],["2015-03-17 09:20",6.1],["2015-03-17 09:30",6.2],["2015-03-17 09:40",5.3],["2015-03-17 09:50",6.4],["2015-03-17 10:00",6.6],["2015-03-17 10:10",6.7],["2015-03-17 10:20",6.8],["2015-03-17 10:30",5.2],["2015-03-17 10:40",6.3],["2015-03-17 10:50",6.7],["2015-03-17 11:00",6.9],["2015-03-17 11:10",6],["2015-03-17 11:20",6.6],["2015-03-17 11:30",6.9],["2015-03-17 11:40",5.9],["2015-03-17 11:50",6.6],["2015-03-17 12:00",6.8],["2015-03-17 12:10",6.1],["2015-03-17 12:20",6.6],["2015-03-17 12:30",5.6],["2015-03-17 12:40",6.2],["2015-03-17 12:50",6.8],["2015-03-17 13:00",5.7],["2015-03-17 13:10",6.6],["2015-03-17 13:20",5.8],["2015-03-17 13:30",6.4],["2015-03-17 13:40",6.9],["2015-03-17 13:50",6],["2015-03-17 14:00",6.7],["2015-03-17 14:10",5.2],["2015-03-17 14:20",6.5],["2015-03-17 14:30",5.8],["2015-03-17 14:40",6.3],["2015-03-17 14:50",6.9],["2015-03-17 15:00",6.6],["2015-03-17 15:10",5.9],["2015-03-17 15:20",6.3],["2015-03-17 15:30",6.5]]},{"asset_id":204,"company_id":30,"asset_name":"Wft","stats":{"min":2.9,"max":6.8,"min_tstamps_count":1,"min_tstamps":["2015-03-17 08:30:00"],"max_tstamps":["2015-03-17 11:00:00","2015-03-17 11:30:00","2015-03-17 12:00:00","2015-03-17 13:40:00"],"mkt":5.8,"max_tstamps_count":4,"avg":5.7},"component_type":"ana_in","component_description":"WIF Right Back","site_name":"Ktore","alarms":[],"sampling_rate":10,"region_name":"Kano","component_id":8341,"company_name":"lls","uom":"°C","uom_decimal_places":1,"unit_sn":"3310","resolves":[],"records":[["2015-03-17 08:00",3.2],["2015-03-17 08:10",4.2],["2015-03-17 08:20",3.1],["2015-03-17 08:30",2.9],["2015-03-17 08:40",3.7],["2015-03-17 08:50",4.5],["2015-03-17 09:00",5.2],["2015-03-17 09:10",5.6],["2015-03-17 09:20",6.1],["2015-03-17 09:30",6.3],["2015-03-17 09:40",4.8],["2015-03-17 09:50",6.3],["2015-03-17 10:00",6.5],["2015-03-17 10:10",6.6],["2015-03-17 10:20",6.7],["2015-03-17 10:30",4.5],["2015-03-17 10:40",6.3],["2015-03-17 10:50",6.6],["2015-03-17 11:00",6.8],["2015-03-17 11:10",5.9],["2015-03-17 11:20",6.5],["2015-03-17 11:30",6.8],["2015-03-17 11:40",5.7],["2015-03-17 11:50",6.5],["2015-03-17 12:00",6.8],["2015-03-17 12:10",5.9],["2015-03-17 12:20",6.6],["2015-03-17 12:30",5],["2015-03-17 12:40",6.2],["2015-03-17 12:50",6.7],["2015-03-17 13:00",5.5],["2015-03-17 13:10",6.5],["2015-03-17 13:20",5.2],["2015-03-17 13:30",6.2],["2015-03-17 13:40",6.8],["2015-03-17 13:50",5.8],["2015-03-17 14:00",6.6],["2015-03-17 14:10",4.5],["2015-03-17 14:20",6.4],["2015-03-17 14:30",5.2],["2015-03-17 14:40",6.2],["2015-03-17 14:50",6.7],["2015-03-17 15:00",6.4],["2015-03-17 15:10",5.2],["2015-03-17 15:20",6.2],["2015-03-17 15:30",6.1]]}],"ana_thresholds":[["<1.0"],[">8.0"]],"parameters":{"end_date":"2015-03-17 15:30","start_date":"2015-03-17 08:00","sampling_rate":10}}

{“response”：{“hash”：“0FEA72FEA9820C18227A655B42FE66”，“resp code”：“检索到的图形”，“代码”：200}，“结果状态”：{“记录计数”：46}，“分析计量”：[“C”]，“数据”：[{“资产id”：204，“公司id”：30，“资产名称”：“WIF”，“统计”：{“最小值”：1.4，“最大值”：6.9，“最小值”：6.9，“最小值”：1，“最小值”，“2015-03-17 11:30:00”、“2015-03-17 13:40:00”、“2015-03-17 14:50:00”]，“mkt”：5.91，“最大统计数”：4，“平均值”：5.8}，“部件类型”：“分析输入”，“部件描述”：“WFt”，“现场名称”：“Kll”，“报警”：[]，“采样率”：10，“区域名称”：“ll”，“部件id”：8340，“公司名称”：“lb”，“M”：“C”，“uom”：1”，“单位”，“sn 3310”：":[["2015-03-17 08:00",2.6],["2015-03-17 08:10",3.9],["2015-03-17 08:20",2.4],["2015-03-17 08:30",1.4],["2015-03-17 08:40",3.1],["2015-03-17 08:50",4.4],["2015-03-17 09:00",5.1],["2015-03-17 09:10",5.5],["2015-03-17 09:20",6.1],["2015-03-17 09:30",6.2],["2015-03-17 09:40",5.3],["2015-03-17 09:50",6.4],["2015-03-17 10:00",6.6],["2015-03-17 10:10",6.7],["2015-03-17 10:20",6.8],["2015-03-17 10:30",5.2],["2015-03-17 10:40",6.3],["2015-03-17 10:50",6.7],["2015-03-17 11:00",6.9],["2015-03-17 11:10",6],["2015-03-17 11:20",6.6],["2015-03-17 11:30",6.9],["2015-03-17 11:40",5.9],["2015-03-17 11:50",6.6],["2015-03-17 12:00",6.8],["2015-03-17 12:10",6.1],["2015-03-17 12:20",6.6],["2015-03-17 12:30",5.6],["2015-03-17 12:40",6.2],["2015-03-17 12:50",6.8],["2015-03-17 13:00",5.7],["2015-03-17 13:10",6.6],["2015-03-17 13:20",5.8],["2015-03-17 13:30",6.4],["2015-03-17 13:40",6.9],["2015-03-17 13:50",6],["2015-03-17 14:00",6.7],["2015-03-17 14:10",5.2],["2015-03-17 14:20",6.5],["2015-03-17 14:30",5.8],["2015-03-17 14:40",6.3],["2015-03-17 14:50"6.9，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，，40:00“]，“mkt”：5.8，“最大统计数”：4，“平均数”：5.7}，“成分类型”：“分析”、“成分描述”：“WIF右后卫”、“场地名称”：“Ktore”、“警报”：[]，“采样率”：10，“区域名称”：“卡诺”、“成分id”：8341，“公司名称”：“lls”、“计量单位”：“C”、“计量单位小数点”：1，“单位编号”：“3310”、“S”：“，”记录：[“2015-03-17:00”、“3.08-10:08”,4.2],["2015-03-17 08:20",3.1],["2015-03-17 08:30",2.9],["2015-03-17 08:40",3.7],["2015-03-17 08:50",4.5],["2015-03-17 09:00",5.2],["2015-03-17 09:10",5.6],["2015-03-17 09:20",6.1],["2015-03-17 09:30",6.3],["2015-03-17 09:40",4.8],["2015-03-17 09:50",6.3],["2015-03-17 10:00",6.5],["2015-03-17 10:10",6.6],["2015-03-17 10:20",6.7],["2015-03-17 10:30",4.5],["2015-03-17 10:40",6.3],["2015-03-17 10:50",6.6],["2015-03-17 11:00",6.8],["2015-03-17 11:10",5.9],["2015-03-17 11:20",6.5],["2015-03-17 11:30",6.8],["2015-03-17 11:40",5.7],["2015-03-17 11:50",6.5],["2015-03-17 12:00",6.8],["2015-03-17 12:10",5.9],["2015-03-17 12:20",6.6],["2015-03-17 12:30",5],["2015-03-17 12:40",6.2],["2015-03-17 12:50",6.7],["2015-03-17 13:00",5.5],["2015-03-17 13:10",6.5],["2015-03-17 13:20",5.2],["2015-03-17 13:30",6.2],["2015-03-17 13:40",6.8],["2015-03-17 13:50",5.8],["2015-03-17 14:00",6.6],["2015-03-17 14:10",4.5],["2015-03-17 14:20",6.4],["2015-03-17 14:30",5.2],["2015-03-17 14:40",6.2],["2015-03-17 14:50",6.7],["2015-03-17 15:00",6.4],["2015-03-17 15:10"，5.2]，“2015-03-17 15:20”，6.2]，“2015-03-17 15:30”，6.1]，“分析阈值”：[“8.0”]，“参数”：{“结束日期”：“2015-03-17 15:30”，“开始日期”：“2015-03-17 08:00”，“采样率”：10}

我基本上是在尝试使用Shinobi graph library来绘制这些json数据，但我完全不知道如何解析上面的对象。在json中，我有日期时间和温度值。我设法在控制台中看到解析响应。但是，该图没有要绘制的对象数据，因为我没有向该系列传递任何json值，因为我不知道它是如何完成的。请帮忙，因为我在stackoverflow中没有看到类似的问题

这是我的代码片段

- (void) loadData{
// Parse units offline from the webservice.
@try{

    NSString *delete = [[NSString alloc] initWithFormat:@""];
    NSString *logOut = [NSString stringWithFormat:@"MY URL"];

    NSURL *url=[NSURL URLWithString:logOut];
    NSLog(@"Asset list: %@", url);
    NSData *postData =[delete dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
    NSString *postLength = [ NSString stringWithFormat:@"%lu", (unsigned long)[postData length]];

    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
    [request setURL:url];
    [request setHTTPMethod:@"GET"];
    [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
    [request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
    [request setHTTPBody:postData];

    //[NSURLRequest setAllowsAnyHTTPSCertificate:YES forHost:[url host]];

    NSError *error = [[NSError alloc] init];
    NSHTTPURLResponse *response = nil;
    NSData *urlData=[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
    NSString *responseData = [[NSString alloc]initWithData:urlData encoding:NSUTF8StringEncoding];

    NSLog(@"Reponse code: %ld", (long)[response statusCode]);
    if ([response statusCode] >= 200 && [response statusCode] < 300)
    {
        NSLog(@"Response ==> %@", responseData);
        @try{
            NSError *error = nil;
       // NSMutableArray* jsonDetails = [[NSMutableArray alloc]init];
            NSDictionary *jsonDetails = [NSJSONSerialization JSONObjectWithData:urlData options:NSJSONReadingMutableContainers|NSJSONReadingMutableLeaves error:&error];
            NSArray *graphData = [ jsonDetails objectForKey:@"records"];
             NSLog(@"Retrieving graph: %@", jsonDetails);

            for (NSDictionary* jsonPoint  in graphData) {
                SChartDataPoint* datapoint = [self dataPointForDate:jsonPoint[@"date"]
                                                           andValue:jsonPoint[@"temp"]];
                NSLog(@"SChart point: %@", datapoint);
                [_timeSeries addObject:datapoint];
            }
        }
        @catch (NSException *e){
            NSLog(@"Try catch block: %@", e);
        }
        @finally{
            // [self.tblRegion reloadData];
            NSLog(@"finally");
        }


    }

}
@catch (NSException * e) {
    NSLog(@"Exception: %@", e);

}

-（无效）加载数据{
//从webservice脱机分析单元。
@试一试{
NSString*delete=[[NSString alloc]initWithFormat:@''；
NSString*注销=[NSString stringWithFormat:@“我的URL”]；
NSURL*url=[NSURL URLWithString:logOut]；
NSLog（@“资产列表：%@”，url）；
NSData*postData=[删除数据使用编码：NSASCIIStringEncoding allowLossyConversion:是]；
NSString*postLength=[NSString stringWithFormat:@“%lu”，（无符号长）[postData长度]]；
NSMutableURLRequest*请求=[[NSMutableURLRequest alloc]init]；
[请求设置url:url]；
[请求设置HttpMethod:@“获取”]；
[请求设置值：HttpHeaderField的postLength:@“内容长度”]；
[请求设置值：@“应用程序/json”用于HttpHeaderField:@“接受”]；
[请求setHTTPBody:postData]；
//[NSURLRequest setAllowsAnyHttpSCCertificate:YES for主机：[url主机]]；
NSError*error=[[NSError alloc]init]；
NSHTTPURLResponse*响应=nil；
NSData*urlData=[NSURLConnection sendSynchronousRequest:request returningResponse:&响应错误：&错误]；
NSString*responseData=[[NSString alloc]initWithData:urlData编码：NSUTF8StringEncoding]；
NSLog（@“响应代码：%ld”，（长）[响应状态代码]）；
如果（[response statusCode]>=200&&[response statusCode]<300）
{
NSLog（@“响应==>%@”，响应数据）；
@试一试{
n错误*错误=nil；
//NSMUTABLEARRY*jsonDetails=[[NSMUTABLEARRY alloc]init]；
NSDictionary*jsonDetails=[NSJSONSerialization JSONObjectWithData:urlData选项：NSJSONReadingMutableContainers | NSJSONReadingMutableLeaves错误：&error]；
NSArray*graphData=[jsonDetails objectForKey
"records":[["2015-03-17 08:00",2.6],["2015-03-17 08:10",3.9],...

for (NSDictionary* jsonPoint  in graphData) {
    SChartDataPoint* datapoint = [self dataPointForDate:jsonPoint[@"date"]
                                               andValue:jsonPoint[@"temp"]];
    NSLog(@"SChart point: %@", datapoint);
    [_timeSeries addObject:datapoint];
}

for (NSArray* jsonPoint  in graphData) {
    SChartDataPoint* datapoint = [self dataPointForDate:jsonPoint[0]
                                               andValue:jsonPoint[1]];
    NSLog(@"SChart point: %@", datapoint);
    [_timeSeries addObject:datapoint];
}

{
        NSLog(@"Response ==> %@", responseData);
        
            NSError *error = nil;
            jsonDetails = [NSJSONSerialization JSONObjectWithData:urlData options:kNilOptions error:&error];
        NSArray *keys = [jsonDetails allKeys];
        // values in foreach loop
        for (NSString *key in keys) {
            // NSLog(@"%@ is %@",key, [jsonDetails objectForKey:key]);
            
            data = [jsonDetails objectForKey:@"data"];
            graphData = [data[0]objectForKey:@"records"];
            datapoint = [[SChartDataPoint alloc] init];
            // NSLog(@"Record for the graph: %@", graphData);
            // results = [jsonDetails objectForKey:@"resultstats"];
            // recordCount = [results objectForKey:@"record_count"];
            
        for (int i=0; i< [graphData count]; i++){
            NSArray *record = graphData[i];
            // NSLog(@"Record value: %@", record);
            datapoint.xValue = record[0]; // date
            NSLog(@"Date/time: %@", datapoint.xValue);
            datapoint.yValue = record[1]; // number
            NSLog(@"Temp: %@", datapoint.yValue);
            datapoint = [self dataPointForDate:datapoint.xValue
                                                       andValue:datapoint.yValue];
            
            NSLog(@"Adding datapoint to series: %@", datapoint);
            [_timeSeries addObject:datapoint];
        }
           
        }
        
    }

@interface ChartPoint : NSObject

@property(strong,nonatomic) NSDate *date;
@property(strong,nonatomic) NSNumber *value;

@end

@interface ChartData : NSObject

@property (strong,nonatomic) NSString *siteName;
@property (strong,nonatomic) NSMutableArray *chartPoints;

@end

-(void)setUpChart
{
    schart = [[ShinobiChart alloc] initWithFrame:self.chartView.bounds];
    schart.delegate=self;
    schart.datasource = self;
    schart.autoresizingMask =  ~UIViewAutoresizingNone;
    schart.licenseKey = @"your licence";

    schart.legend.hidden=NO;

    //X AXIS CONFIGURATION
    SChartDateTimeAxis *xAxis = [[SChartDateTimeAxis alloc] init];
    xAxis.style.interSeriesPadding = @0;

    xAxis.style.majorTickStyle.showLabels = YES;
    xAxis.style.majorTickStyle.showTicks  = YES;

    schart.xAxis = xAxis;

    //Y AXIS CONFIGURATION
    SChartAxis *yAxis = [[SChartNumberAxis alloc] init];

    yAxis.style.majorGridLineStyle.showMajorGridLines=YES;

    yAxis.style.majorTickStyle.showLabels = YES;
    yAxis.style.majorTickStyle.showTicks  = YES;

    schart.yAxis = yAxis;

    // add to the view
    [self.chartView addSubview:schart];
}

-(void)parseResponse:(NSDictionary*)response
{
    chartSeries = [[NSMutableArray alloc] init];

    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    [formatter setDateFormat:@"yyyy-MM-dd HH:mm"];

    NSArray *data = [response objectForKey:@"data"];

    for (NSDictionary *d in data)
    {
        NSString *sitename = [d objectForKey:@"site_name"];
        NSArray *records = [d objectForKey:@"records"];

        ChartData *cd = [[ChartData alloc] init];
        cd.siteName=sitename;
        cd.chartPoints = [[NSMutableArray alloc] init];

        for (NSArray *r in records)
        {
            NSString *dateString = [NSString stringWithFormat:@"%@",[r objectAtIndex:0]];
            NSDate *date = [formatter dateFromString:dateString];


            NSNumber *value = [r objectAtIndex:1];

            ChartPoint *point =[[ChartPoint alloc] init];
            point.date=date;
            point.value = value;

            [cd.chartPoints addObject:point];
        }


        [chartSeries addObject:cd];
    }

    [schart reloadData];
    [schart redrawChart];
}

- (NSInteger)numberOfSeriesInSChart:(ShinobiChart *)chart
{
    return chartSeries.count;
}

- (NSInteger)sChart:(ShinobiChart *)chart numberOfDataPointsForSeriesAtIndex:(NSInteger)seriesIndex
{
    ChartData * data  = [chartSeries objectAtIndex:seriesIndex];
    return data.chartPoints.count;
}

-(SChartSeries *)sChart:(ShinobiChart *)chart seriesAtIndex:(NSInteger)index
{
    ChartData * data  = [chartSeries objectAtIndex:index];

    SChartColumnSeries *columnSeries = [[SChartColumnSeries alloc] init];
    columnSeries.title=data.siteName;

    return columnSeries;
}

- (id<SChartData>)sChart:(ShinobiChart *)chart dataPointAtIndex:(NSInteger)dataIndex forSeriesAtIndex:(NSInteger)seriesIndex
{
    ChartData * data  = [chartSeries objectAtIndex:seriesIndex];
    ChartPoint *point = [data.chartPoints objectAtIndex:dataIndex];

    SChartDataPoint *dp = [[SChartDataPoint alloc] init];

    dp.yValue = point.value;
    dp.xValue =point.date;

    return dp;
}