json:
{
"code": 0,
"msg": "success",
"data": [
{
"symbol": "BTC",
"price": 56473.54,
"openInterest": 20556043828.255978,
"volUsd": 80300126118.31464,
"openInterestAmount": 364049.3,
"longRate": 52.83,
"longVolUsd": 40150822052.32335,
"shortRate": 47.17,
"shortVolUsd": 40156423832.06615,
"turnoverNumber": 13221636,
"priceChange": 1546.35,
"priceChangePercent": 2.82,
"volChangePercent": -30.3,
"symbolLogo": "https://cdn.sampyun.com/static/coins/btc@2x.png",
"liqInfo": {
"symbol": "BTC",
"longVolUsd": 166022220.78610313,
"shortVolUsd": 467377610.54825574,
"symbolLogo": "https://cdn.sampyun.com/static/coins/btc@2x.png",
"totalVolUsd": 633399831.3343589,
"amount": 11217.5655,
"number": 34156
},
"tags": [
],
"oichangePercent": -0.45
}
}
我想获取liqInfo下的totalVolUsd:
<tr v-for="(item,index) in sitea">
<td align="right">{{item.liqInfo.totalVolUsd}}</td>
</tr>
但是报错:
TypeError: Cannot read property 'totalVolUsd' of undefined
用的是vue2.6.12版本。