Jon*_*nas 1 javascript ecmascript-6 reactjs
我正在处理显示来自 API 的数据的页面。实际上,我试图以相反的顺序显示数组数据,但它不以相反的顺序显示数据。当我刷新页面时,第一次数据反向显示,但 3 秒后数据恢复并以原始形式显示。请帮助我谢谢
代码
import React, { Component } from "react";
import DayPicker from "react-day-picker";
import "react-day-picker/lib/style.css";
import "./style.css";
import axios from "axios";
class DiarySideBar extends Component {
constructor(props) {
super(props);
this.state = {
data: []
};
}
componentWillMount() {
axios.get("/api/diary/all").then(res => {
this.setState({
data: res.data.rows
});
});
}
render() {
const { data } = this.state;
return (
<div>
<div className="calendarWrapper">
<DayPicker />
</div>
<div className="activeTaskMainWrapper">
<h6 className="activeTaskHeaderWrapper">Active Tasks</h6>
{data
.reverse()
.slice(0, 5)
.map(newData => (
<div className="activeTaskText">
<b>{newData.taskType}</b>
<p>{newData.subject}</p>
<hr />
</div>
))}
</div>
</div>
);
}
}
export default DiarySideBar;
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