如何移除Highcharts X-range图表中条形内的partialFill数值与百分比
解决Highcharts X-range Chart移除条形内数字和百分比的问题
嘿,我来帮你搞定这个问题!你提到设置partialFill: undefined后反而显示0%,这是因为Highcharts会把undefined默认解析成0,所以才会出现这个尴尬的0%文本。下面给你两种针对性的解决方案,按需选择:
方案一:彻底移除所有条形内的文本(最简单)
如果你不需要任何条形上的数字、百分比或者日期标签,直接把dataLabels.enabled设为false就行,一步到位:
Highcharts.chart('container', { chart: { type: 'xrange' }, title: { text: 'Highcharts X-range' }, xAxis: { type: 'datetime' }, yAxis: { title: { text: '' }, categories: ['Prototyping', 'Development', 'Testing'], reversed: true }, series: [{ name: 'Project 1', borderColor: 'gray', pointWidth: 20, data: [ { x: Date.UTC(2014, 10, 21), x2: Date.UTC(2014, 11, 2), y: 0 }, { x: Date.UTC(2014, 11, 2), x2: Date.UTC(2014, 11, 5), y: 1 }, { x: Date.UTC(2014, 11, 8), x2: Date.UTC(2014, 11, 9), y: 2 }, { x: Date.UTC(2014, 11, 9), x2: Date.UTC(2014, 11, 19), y: 1 }, { x: Date.UTC(2014, 11, 10), x2: Date.UTC(2014, 11, 23), y: 2 } ], dataLabels: { enabled: false } // 关闭所有数据标签,彻底移除文本 }] });
方案二:只移除partialFill的百分比,保留其他标签
如果你还想保留条形上的日期范围这类标签,只是要去掉partialFill带来的百分比,可以单独关闭partialFill的dataLabels,同时不需要设置partialFill: undefined(直接移除该参数或者保留填充值但关闭标签):
Highcharts.chart('container', { chart: { type: 'xrange' }, title: { text: 'Highcharts X-range' }, xAxis: { type: 'datetime' }, yAxis: { title: { text: '' }, categories: ['Prototyping', 'Development', 'Testing'], reversed: true }, series: [{ name: 'Project 1', borderColor: 'gray', pointWidth: 20, partialFill: { dataLabels: { enabled: false } // 单独关闭partialFill的百分比标签 }, data: [ { x: Date.UTC(2014, 10, 21), x2: Date.UTC(2014, 11, 2), y: 0, partialFill: 0.25 }, { x: Date.UTC(2014, 11, 2), x2: Date.UTC(2014, 11, 5), y: 1 }, { x: Date.UTC(2014, 11, 8), x2: Date.UTC(2014, 11, 9), y: 2 }, { x: Date.UTC(2014, 11, 9), x2: Date.UTC(2014, 11, 19), y: 1 }, { x: Date.UTC(2014, 11, 10), x2: Date.UTC(2014, 11, 23), y: 2 } ], dataLabels: { enabled: true } // 保留普通的日期标签 }] });
补充说明:为什么partialFill: undefined会显示0%?
Highcharts在处理partialFill参数时,会把undefined默认转换为数值0,所以才会渲染出0%的文本。正确的做法是要么完全移除该参数(不需要部分填充效果时),要么通过上述配置关闭对应的标签。
内容的提问来源于stack exchange,提问作者nuccio
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