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thinkphp5+数据大屏展示效果
2022-04-23 20:48:00 【骨子里的偏爱】
1控制器代码展示:
控制器代码:
// 加载页面后输出的数据
public function index()
{
$data = Db::name('index')->limit(5)->select();
$this->assign('data',$data);
$this->display();
return view('index');
}
// 异步获取数据
public function data(){
$list = Db::name('index')->limit(5)->select();
// 重组数组
foreach ($list as $key => $value) {
$arr['id'][] = $value['id'];
$arr['name'][] = $value['name'];
$arr['number'][] = $value['number'];
$arr['details'][] = $value['details'];
$arr['create_time'][] = $value['create_time'];
}
die(json_encode($arr)); //转换为json数据输出
}
html代码:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>ECharts</title>
<!-- 引入 echarts.js -->
<script src="echarts.min.js"></script>
</head>
<body>
<!-- 为ECharts准备一个具备大小(宽高)的Dom -->
<div id="main" style="width: 600px;height:400px;"></div>
</body>
<script src="http://code.jquery.com/jquery-2.2.1.min.js"></script>
<script type="text/javascript">
var myChart;
myChart = echarts.init(document.getElementById('main'));
myChart.setOption({
title: {
text: '异步数据加载示例'
},
tooltip: {
},
legend: {
data:['销量']
},
xAxis: {
// 加载页面后显示在图表中的X轴信息
data: [<?php foreach($data as $v){
; ?>"<?php echo $v['name'] ?>",<?php }; ?>]
},
yAxis: {
},
series: [{
name: '销量',
// type: 'line',// 折线图
type: 'bar',//柱状图
// 加载页面后显示在图表中的Y轴信息
data: [<?php foreach($data as $v){
; ?>"<?php echo $v['number'] ?>",<?php }; ?>],
itemStyle:{
// 颜色定义
normal:{
color:'#00bc12'}
}
}]
});
// 异步加载后台数据,通过定时器在实现
var i = 0;
function run() {
i++;
$.ajax({
url: "{:url('index/index/data')}",
type: 'POST',
dataType: 'JSON',
data:{
page:i},
success:function(json){
if(json.datetime.length != 5){
clearInterval(time);
return;
}
myChart.setOption({
xAxis: {
data: json.create_time
},
series: [{
name: '销量',
data: json.details
}]
});
}
})
};
<!--var time = setInterval(run,3000);-->
</script>
</html>
显示效果展示:
数据库展示:
折线图效果:
版权声明
本文为[骨子里的偏爱]所创,转载请带上原文链接,感谢
https://blog.csdn.net/weixin_41823246/article/details/124348289
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