<p id="myChart" :style="{width: '100%', height: '345px'}"></p> <script> export default { mounted(){ this.drawLine(); }, methods: { drawLine(){ var myChartContainer = document.getElementById('myChart'); //用于使chart自適應(yīng)寬度,通過(guò)窗體寬計(jì)算容器高寬 var resizeMyChartContainer = function(){ myChartContainer.style.width=(document.body.clientWidth-75)+'px' } //設(shè)置容器高寬 resizeMyChartContainer() // 基于準(zhǔn)備好的dom,初始化echarts實(shí)例 var myChart = this.$echarts.init(myChartContainer) // 繪制圖表 myChart.setOption({ title: { text: '啟動(dòng)次數(shù)' }, tooltip: {}, xAxis: { type: 'category', data: ['2019-02-15', '2019-02-16', '2019-02-17', '2019-02-18', '2019-02-19', '2019-02-20', '2019-02-21'] }, yAxis: { type:'value' }, series: [{ type: 'line', data: [0,0, 0, 7, 0, 0,12], smooth:true, symbol: 'circle', symbolSize: 6, itemStyle:{ normal:{ color:'#fc8a0f', lineStyle:{ color:'#ff9c35' } } } }], }); window.onresize=function(){ resizeMyChartContainer(); myChart.resize(); } } }}</script>
補(bǔ)充知識(shí):echarts 圖表大小隨窗口變動(dòng)而自適應(yīng)變動(dòng)(無(wú)需刷新瀏覽器調(diào)整)
問(wèn)題提出:
使用echars做完圖表之后,需要根據(jù)瀏覽器窗口的縮放做自適應(yīng)效果。
原因分析及解決方案:
echars的圖標(biāo)實(shí)例事實(shí)上并沒(méi)有主動(dòng)的去綁定resize()事件,就是說(shuō)顯示區(qū)域的大小改變內(nèi)部并不知道,當(dāng)你需要去做一些自適應(yīng)的效果的時(shí)候,需要主動(dòng)綁定這個(gè)時(shí)間才能達(dá)到自使用的效果,常見(jiàn)的如window.onresize = myChart.resize()
示例:
var map5 = echarts.init(document.getElementById('map5')); var option5 = { backgroundColor: '#def1f9', color: ['#c23531', '#1875ff'], title: { left: 10, top: 10, text: 'Bill charts for the past year' }, // color: ['#1875ff', '#1fe6ab', '#eee119', '#ff3074', '#6f99d9'], legend: { top: 30, right: 30 }, tooltip: {}, xAxis: {type: 'category'}, yAxis: {}, series: [ {type: 'bar'}, {type: 'bar'} ] } map5.setOption(option5); window.onresize = function () { setTimeout(function () { map1.resize() map2.resize() map3.resize() map4.resize() map5.resize() },10) }
重點(diǎn):
window.onresize = function () { map1.resize() ; // 如果有多個(gè)圖標(biāo)變動(dòng),可寫多個(gè) }
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