REACTJS tableBody.jsx 组件错误:对象作为 React 子对象无效 [英] REACTJS tableBody.jsx component error : Objects are not valid as a React child
问题描述
在创建 tableBody.jsx 组件后很难卡住,无论我做了多少更改都会出现相同的错误.
Hard stuck after creating tableBody.jsx component and getting same error no matter how much changes i make.
这是moviesTable.jsx组件
This is moviesTable.jsx component
import React, { Component } from "react";
import TableHeader from "./common/tableHeader";
import Like from "./common/like";
import TableBody from "./common/tableBody";
class MoviesTable extends Component {
columns = [
{ path: "title", label: "Title" },
{ path: "genre", label: "Genre" },
{ path: "numberInStock", label: "Stock" },
{ path: "dailyRentalRate", label: "Rate" },
{
key: "like",
content: (movie) => (
<Like liked={movie.liked} onClick={() => this.props.onLike(movie)} />
),
},
{
key: "delete",
content: (movie) => (
<button
onClick={() => this.props.onDelete(movie)}
className="btn btn-danger"
>
Delete
</button>
),
},
];
render() {
const { movies, onSort, sortColumn } = this.props;
return (
<>
<table className="table">
<TableHeader
columns={this.columns}
sortColumn={sortColumn}
onSort={onSort}
/>
<TableBody data={movies} columns={this.columns} />
</table>
</>
);
}
}
export default MoviesTable;
这是 tableBody.jsx 组件
And this is tableBody.jsx component
import React, { Component } from "react";
import _ from "lodash";
class TableBody extends Component {
renderCell = (item, column) => {
if (column.content) return column.content(item);
return _.get(item, column.path);
};
createKey = (item, column) => {
return item._id + (column.path || column.key);
};
render() {
const { data, columns } = this.props;
return (
<tbody>
{data.map((item) => (
<tr key={item._id}>
{columns.map((column) => (
<td key={this.createKey(item, column)}>
{this.renderCell(item, column)}
</td>
))}
</tr>
))}
</tbody>
);
}
}
export default TableBody;
https://anonfiles.com/ber1QcGcpd/Screenshot_65_png
这是我通过 {console.log(this.renderCell(item, column))} 得到的输出.我想将 renderCell 函数给出的数据排列在这样的表格中......
this is the output i am getting by {console.log(this.renderCell(item, column))}. I want to arrange the data given by renderCell function in a table like this...
https://anonfiles.com/B8tdQ2G6pa/output_jpg
从 tableBody.jsx 组件返回时,我收到此错误:(错误:对象作为 React 子对象无效(找到:带有键 {_id, name} 的对象).如果您打算渲染子集合,请改用数组.)
while returning from tableBody.jsx component i'm getting this error : (Error: Objects are not valid as a React child (found: object with keys {_id, name}). If you meant to render a collection of children, use an array instead.)
推荐答案
您正在从 renderCell
函数中的 item 返回一个属性
You're returning a property from item in your renderCell
function
renderCell = (item, column) => {
if (column.content) return column.content(item);
// Did you mean to use this in a react component??
return _.get(item, column.path);
};
确保它不是返回的对象,并且是原始数据类型.
Ensure its not an object that is getting returned, and is a primitive data type.
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