var bgImg = 'data:image/png;base64,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'; var fillImg = 'data:image/png;base64,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'; var chartData = [ { name: '通信', value: 2691 }, { name: '网络', value: 5000 }, { name: '能源', value: 3416 }, { name: '建筑', value: 4666 }, ]; var bgData = []; var itemData = []; // 取出每一条数据value,作为显示数据 chartData.forEach(function(items, index) { itemData.push(items.value); }) // 取出所有数据最大值,作为背景象形柱图数据 chartData.forEach(function(items, index) { bgData.push({ name: items.name, value: Math.max.apply(null, itemData) }); }) // 所有数据最大值 var maxValue = Math.max.apply(null, itemData); // 字体 distance放大参数 var scale = 1; //富文本配置 var rich = { white: { color: "#fff", align: 'left', fontSize: 18 * scale, padding: [0, 0] }, }; var option = { backgroundColor: '#031f2d', tooltip:{ formatter:'{b} : {c}', }, grid: { left: '3%', right: '6%', bottom: '3%', containLabel: true }, xAxis: [{ type: 'category', data:(function(data){ var arr=[]; data.forEach(function(items){ arr.push(items.name); }); return arr; })(chartData), boundaryGap: ['20%', '20%'], splitLine: { show: false }, axisLine: { show: false }, axisTick: { show: false }, axisLabel: { textStyle: { fontSize: 16 * scale, color: '#3fdaff' } } }], yAxis: [{ type: 'value', splitLine: { show: false }, axisLine: { show: false }, axisTick: { show: true, inside: true, length: 10 * scale, lineStyle: { color: '#0b5263' } }, axisLabel: { textStyle: { color: '#0b5263', fontSize: 14 * scale } }, }], series: [ //背景 { name: 'bg', type: 'pictorialBar', barWidth: '45%', // barGap: '0%', silent: true, label: { normal: { show: true, position: "top", distance: 20 * scale, formatter: function(params) { var stuNum = 0; chartData.forEach(function(value, index, array) { if (params.name == value.name) { stuNum = value.value; } }) return stuNum + '{white| 人}'; }, textStyle: { color: "#ffc72b", fontSize: 20 * scale }, rich: rich } }, symbol: 'image://'+ bgImg, symbolClip:false, symbolBoundingData: maxValue, symbolSize: [52, '100%'], data: bgData }, { name: '数据', type: 'pictorialBar', barWidth: '45%', barGap: '-100%', data: chartData, z: 3, symbol: 'image://'+ fillImg, symbolClip:true, symbolBoundingData: maxValue, symbolSize: [52, '100%'] }, ] };
标签:scale,name,show,base64,value,柱状图,var,data,echarts From: https://www.cnblogs.com/facenano/p/16616460.html