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ECharts餅圖自定義

準備 ner include nbsp 餅圖 分享圖片 success bte ava

[本文出自天外歸雲的博客園]

實現:

1、餅塊可點擊(點擊餅塊跳轉到百度)

2、餅塊自定義標簽顯示(顯示個數、占比)

3、自定義標簽連接線樣式(虛線)

技術分享圖片

前端php代碼如下:

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title><?php echo $title; ?></title>
    <script src="https://cdn.bootcss.com/echarts/4.2.1-rc1/echarts.min.js"></script>
    <?php include
"commonHead.php"; ?> </head> <body> <div class="container" style="margin-top: 10%"> <!-- 餅圖 --> <div id="myPie" style="width: 800px;height:600px;"></div> </div> </body> </html> <style> </style> <script type="text/javascript"> //
制作餅圖上的標簽 function makeLabel(labelValue, labelRate) { var label = { normal: { label: { show: false }, labelLine: { show: false }, formatter: [
‘{title|{b}}{abg|}‘, ‘ {head|}{valueHead|個數}{rateHead|占比}‘, ‘{hr|}‘, ‘ {head|}{value|‘ + labelValue + ‘}{rate|‘ + labelRate + ‘}‘ ].join(‘\n‘), backgroundColor: ‘#eee‘, borderColor: ‘#777‘, borderWidth: 1, borderRadius: 4, rich: { title: { color: ‘#eee‘, align: ‘center‘ }, abg: { backgroundColor: ‘#333‘, width: ‘100%‘, align: ‘right‘, height: 25, borderRadius: [4, 4, 0, 0] }, Sunny: { height: 30, align: ‘left‘ }, head: { color: ‘#333‘, height: 24, align: ‘left‘ }, hr: { borderColor: ‘#777‘, width: ‘100%‘, borderWidth: 0.5, height: 0 }, value: { width: 20, padding: [0, 20, 0, 30], align: ‘left‘ }, valueHead: { color: ‘#333‘, width: 20, padding: [0, 20, 0, 30], align: ‘center‘ }, rate: { width: 40, align: ‘right‘, padding: [0, 10, 0, 0] }, rateHead: { color: ‘#333‘, width: 40, align: ‘center‘, padding: [0, 10, 0, 0] } } } }; return label; } //畫label連接線 function makeLabelLine(length, length2) { var labelLine = { normal: { show: true, length: length, length2: length2, lineStyle: { type: ‘dashed‘, width: 2 } } }; return labelLine; // 原文:https://blog.csdn.net/LzzMandy/article/details/84875146 } /* 畫餅圖 用到了tooltip:https://echarts.baidu.com/echarts2/doc/doc.html#Tooltip */ function drawPie(pieTitle, pieSubTitle, innerOneDay, oneToTwoDays, twoToThreeDays, moreThanThreeDays) { // 基於準備好的dom,初始化echarts實例 var myPie = echarts.init(document.getElementById(‘myPie‘)); // 開發周期餅圖數據 var pieOption = { title: { text: pieTitle, subtext: pieSubTitle, left: ‘center‘ }, tooltip: { trigger: ‘item‘, formatter: "{a} <br/>{b} : {c} ({d}%)" }, legend: { orient: ‘vertical‘, left: ‘left‘, data: [‘1天以內‘, ‘1到2天‘, ‘2到3天‘, ‘大於3天‘] }, series: [ { name: ‘占比‘, type: ‘pie‘, radius: ‘55%‘, center: [‘50%‘, ‘60%‘], data: [ { value: innerOneDay, name: ‘1天以內‘, label: makeLabel("{c}", "{d}%"), labelLine: makeLabelLine(0, 50) }, { value: oneToTwoDays, name: ‘1到2天‘, label: makeLabel("{c}", "{d}%"), labelLine: makeLabelLine(30, 50) }, { value: twoToThreeDays, name: ‘2到3天‘, label: makeLabel("{c}", "{d}%"), labelLine: makeLabelLine(30, 50) }, { value: moreThanThreeDays, name: ‘大於3天‘, label: makeLabel("{c}", "{d}%"), labelLine: makeLabelLine(90, 50) } ], itemStyle: { emphasis: { shadowBlur: 10, shadowOffsetX: 0, shadowColor: ‘rgba(0, 0, 0, 0.5)‘ } } } ] }; myPie.setOption(pieOption); myPie.on(‘click‘, ‘series.pie.label‘, function () { window.open("http://www.baidu.com"); }); } // 獲取餅圖數據 function getPieData(iterationId, sDate, stType, pieTitle, pieSubTitle) { // 標準GET請求ajax寫法 $.ajax({ url: "/cloud/tools/getDevOpsPieData", type: "GET", data: { "iterationId": iterationId, "sDate": sDate, "stType": stType, "pieTitle": pieTitle, "pieSubTitle": pieSubTitle }, contentType: "application/json; charset=utf-8", dataType: "json", success: function (result) { console.log(result); var pieTitle = result["pieTitle"]; var pieSubTitle = result["pieSubTitle"]; var innerOneDay = result["innerOneDay"]; var oneToTwoDays = result["oneToTwoDays"]; var twoToThreeDays = result["twoToThreeDays"]; var moreThanThreeDays = result["moreThanThreeDays"]; drawPie(pieTitle, pieSubTitle, innerOneDay, oneToTwoDays, twoToThreeDays, moreThanThreeDays); } }); } $(function () { var iterationId = "<?php echo $iterationId;?>"; var sDate = "<?php echo $sDate;?>"; var stType = "<?php echo $stType;?>"; var pieTitle = "<?php echo $pieTitle;?>"; var pieSubTitle = "<?php echo $pieSubTitle;?>"; getPieData(iterationId, sDate, stType, pieTitle, pieSubTitle) }); </script>

參考文章:

1、Echars餅圖如何給label綁定點擊事件?

2、自定義餅圖中間文字和 label

ECharts餅圖自定義