let jkqmes = res.data.map((item,index) => {
return Object.assign({}, {'timestamp':item.opTime, 'content':item.opDesc})
})
额外小知识:
let newobj = {};
arr = arr.reduce((preVal, curVal) => {
newobj[curVal.label] ? '' : newobj[curVal.label] = preVal.push(curVal);
return preVal
}, [])
//去重
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