我正在尝试在 react-table 组件中呈现一些数据,但是数据没有加载。我已经用完全相同格式的虚拟数据进行了测试,它工作正常。但是,当我进行 API 调用并获取相同格式的数据并将其推送到我传递给 react-table 的数据列表时,该表不会呈现它。请帮我找出问题所在。干杯设置列: columns: [ { Header: "Employee ID", accessor: "EmployeeID" }, { Header: "First Name", accessor: "FirstName" }, { Header: "Last Name", accessor: "LastName" }, { Header: "Date of Birth", accessor: "DateOfBirth", }, { Header: "Status", accessor: "Status", }, { Header: "Gender", accessor: "Gender", }, { Header: "UpdatedDateUTC", accessor: "UpdatedDateUTC", } ]数据是什么样的:{"EmployeeID":"63c571b3-bff0-4ce1-94f7-255c235580fa","FirstName":"Clive","LastName":"Thomas","Status":"ACTIVE","DateOfBirth":"/Date(697248000000+0000)/","Gender":"M","UpdatedDateUTC":"/Date(1533706298000+0000)/"}我的 API 调用以及我如何将数据项保存到状态。(我控制台记录了我获得的数据的值,并且格式正确)fetch('http://localhost:3100/employees') .then((resp) => { return resp.json() }) .then((data) => { let temp = this.state.posts; temp.push(data.Employees[1]) this.setState({posts: temp}) console.log(this.state.posts) }) .catch((error) => { console.log(error, "catch the hoop") })我还打印了成功插入列表的虚拟数据以及未插入的 API 数据。如您所见,它们显然是相同的:
2 回答
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桃花长相依
TA贡献1860条经验 获得超8个赞
不确定这是否会解决您的问题,但 IMO 您应该将其重构为
fetch('http://localhost:3100/employees')
.then((resp) => {
return resp.json()
})
.then((data) => {
let temp = [...this.state.posts]
temp.push(data.Employees[1])
this.setState({
posts: temp,
data: data
})
console.log(this.state.posts) //this will not have the newest values yet, setState is async
})
.catch((error) => {
console.log(error, "catch the hoop")
})
对反应状态执行操作不是一个好习惯
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