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| import { Card, Col, Row, List, Avatar, Drawer } from 'antd'
import React, { useEffect, useRef, useState } from 'react'
import { EditOutlined, EllipsisOutlined, SettingOutlined } from '@ant-design/icons';
import axios from 'axios';
import * as ECharts from 'echarts';
import _ from 'lodash';
const { Meta } = Card;
export default function Home() {
const [viewList, setViewList] = useState([]);
const [starList, setStarList] = useState([]);
const [allList, setAllList] = useState([]);
const [drawerVisible, setDrawerVisible] = useState(false);
const [barChart, setBarChart] = useState(null);
const [pieChart, setPieChart] = useState(null);
const barRef = useRef();
const pieRef = useRef();
const { username, region, role: { roleName } } = JSON.parse(localStorage.getItem('token'));
useEffect(() => {
axios.get(`/api/news?publisthState=2&_expand=category&_sort=view&_order=desc&_limit=6`).then(res => {
setViewList(res.data);
})
}, []);
useEffect(() => {
axios.get(`/api/news?publisthState=2&_expand=category&_sort=star&_order=desc&_limit=6`).then(res => {
setViewList(res.data);
})
}, []);
useEffect(() => {
axios.get(`/api/news?publisthState=2&_expand=category`).then(res => {
setAllList(res.data);
const viewData = _.groupBy(res.data, item => item.category.title);
renderBarView(viewData)
})
return () => {
window.onresize = null;
}
}, []);
const renderBarView = (obj) => {
const option = {
title: {
text: '新闻分类图示'
},
tooltip: {},
legend: {
data: ['数量']
},
xAxis: {
data: Object.keys(obj),
axisLabel: {
rotate: "45",
interval: 0
}
},
yAxis: {
minInterval: 1
},
series: [
{
name: '数量',
type: 'bar',
data: Object.values(obj).map(item => item.length)
}
]
};
let myChart;
if (!barChart) {
myChart = ECharts.init(barRef.current);
setBarChart(myChart)
} else {
myChart = barChart;
}
myChart.setOption(option);
window.onresize = () => {
myChart.resize();
}
}
const renderPieView = (obj) => {
const currentList = allList.filter(item => item.author === username);
const groupObj = _.groupBy(currentList, item => item.category.title);
const list = [];
for (var i in groupObj) {
list.push({
name: i,
value: groupObj[i].length
})
}
const option = {
title: {
text: `当前用户${username}的新闻分类图示`,
left: 'center'
},
tooltip: {
trigger: 'item'
},
legend: {
orient: 'vertical',
left: 'left'
},
series: [
{
name: '发布数量',
type: 'pie',
radius: '50%',
data: list,
emphasis: {
itemStyle: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}
]
};
let myChart
if (!pieChart) {
myChart = ECharts.init(pieRef.current);
setPieChart(myChart);
} else {
myChart = pieChart;
}
option && myChart.setOption(option);
}
return (
<div className="site-card-wrapper">
<Row gutter={16}>
<Col span={8}>
<Card title="用户最常浏览" bordered={true}>
<List
size="small"
dataSource={viewList}
renderItem={item => <List.Item>
<a href={`#/news-manage/preview/${item.id}`}>{item.title}</a>
</List.Item>}
/>
</Card>
</Col>
<Col span={8}>
<Card title="用户点赞最多" bordered={true}>
<List
size="small"
dataSource={starList}
renderItem={item => <List.Item>
<a href={`#/news-manage/preview/${item.id}`}>{item.title}</a>
</List.Item>}
/>
</Card>
</Col>
<Col span={8}>
<Card
cover={
<img
alt="example"
src="https://gw.alipayobjects.com/zos/rmsportal/JiqGstEfoWAOHiTxclqi.png"
/>
}
actions={[
<SettingOutlined key="setting" onClick={() => {
setTimeout(() => {
setDrawerVisible(true);
renderPieView();
}, 0);
}} />,
<EditOutlined key="edit" />,
<EllipsisOutlined key="ellipsis" />,
]}
>
<Meta
avatar={<Avatar src="https://joeschmoe.io/api/v1/random" />}
title={username}
description={
<div>
<b>{region ? region : 'Global'}</b>
<span style={{ paddingLeft: "30px" }}>{roleName}</span>
</div>
}
/>
</Card>
</Col>
</Row>
<div ref={barRef} style={{
width: '100%',
height: '400px',
marginTop: '30px',
}}></div>
<Drawer title="个人新闻分类"
width='500px'
placement="right"
closable={true}
onClose={() => {
setDrawerVisible(false)
}}
visible={drawerVisible}>
<div ref={pieRef} style={{
width: '100%',
height: '400px',
marginTop: '30px',
}}></div>
</Drawer>
</div>
)
}
|