訪問一個api, 返回如下數據：
{"status":"success","data":{"resultType":"matrix","result":[{"metric":{},"values":[[1473820558.361,"28765"],[1473820573.361,"28768"],[1473820588.361,"28772"],[1473820603.361,"28776"],[1473820618.361,"28780"],[1473820633.361,"28783"],[1473820648.361,"28786"],[1473820663.361,"28790"],[1473820678.361,"28793"],[1473820693.361,"28796"],[1473820708.361,"28799"],[1473820723.361,"28802"],[1473820738.361,"28806"],[1473820753.361,"28809"],[1473820768.361,"28817"],[1473820783.361,"28829"],[1473820798.361,"28832"],[1473820813.361,"28858"],