{
"usdt_cnyx": {
"result": "true",
"last": "6.912",
"lowestAsk": "6.914",
"highestBid": "6.912",
"percentChange": "0.06",
"baseVolume": "8082626.46086641",
"quoteVolume": "1173640.89036410",
"high24hr": "6.922",
"low24hr": "6.874"
},
"btc_cnyx": {
"result": "true",
"last": "35718.67",
"lowestAsk": "35732.01",
"highestBid": "35669.06",
"percentChange": "-0.81",
"baseVolume": "330772.44399501",
"quoteVolume": "9.20822579",
"high24hr": "36975.3",
"low24hr": "35353.09"
},
"eth_cnyx": {
"result": "true",
"last": "1177.24",
"lowestAsk": "1174.33",
"highestBid": "1172.98",
"percentChange": "-5.02",
"baseVolume": "566590.74282103",
"quoteVolume": "478.24187550",
"high24hr": "1249.77",
"low24hr": "1152"
}
}
我的代码:
$i=0;//循环变量
$num=count($obj);//得到Json数组长度
for ($i;$i<=$num;$i++)
{
$symbol = $obj[$i];//这里要获取 usdt_cnyx这样的数据
$last = $obj[$i]["last"];
$high = $obj[$i]["high24hr"];
$low = $obj[$i]["low24hr"];
$bid = $obj[$i]["highestBid"];
$ask = $obj[$i]["lowestAsk"];
$percentchange = $obj[$i]["percentChange"];
$vol = $obj[$i]["baseVolume"];
}
无法获取数据,请大神指教。