var getname = ['数据学院', '测试学院', '联奕学院', 'BI学院', '旺旺学院']; //数据点名称 var getvalue = [20, 96, 55, 65, 36]; //科研项目 var getvalue1 = [27, 56, 95, 57, 38]; //专利成果 var getvalue2 = [73, 56, 33, 70, 60]; //获奖成果 var getvalue3 = [57, 76, 55, 57, 88]; //论文成果 var getvalue4 = [37, 56, 35, 77, 68]; //著作成果 function multi_bubbleSort(obj) { let data0 = obj.data0; //横坐标数组 let data = new Array(data0.length).fill(0); //定义一组与横坐标数组相同大小的且全部为0的数组，用来存储堆积柱状图的和 let len = obj.data0.length; //横坐标数组长度 for (let k = 0; k < len; k++) { for (let m = 0; m < obj.data1.length; m++) { data[k] = Number(data[k]) + Number(obj.data1[m][k]); //求和，用来排序 } } for (let i = 0; i < len; i++) { for (let j = 0; j < len - 1 - i; j++) { if (Number(data[j]) < Number(data[j + 1])) { //相邻元素两两对比 let temp = data[j + 1]; //元素交换 data[j + 1] = data[j]; data[j] = temp; let te = obj.data0[j + 1]; //元素交换 obj.data0[j + 1] = obj.data0[j]; obj.data0[j] = te; for (let m = 0; m < obj.data2.length; m++) { let tem = obj.data2[m][j + 1]; obj.data2[m][j + 1] = obj.data2[m][j]; obj.data2[m][j] = tem; } } } } return obj; } let obj = { "data0": getname, "data1": [getvalue, getvalue1, getvalue2, getvalue3, getvalue4], "data2": [getvalue, getvalue1, getvalue2, getvalue3, getvalue4] }; let multi_obj = multi_bubbleSort(obj); option = { backgroundColor: '#000', grid: { top: '15', right: '60', left: '100', bottom: '15' }, tooltip: { trigger: 'axis', axisPointer: { type: 'none' }, }, legend: { type: "scroll", icon: 'circle', right: '10', top: '0', data: ['科研项目', '专利成果', '获奖成果', '论文成果', '著作成果'], itemGap: 20, itemWidth: 11, itemHeight: 11, textStyle: { fontSize: '13', color: '#A9C1E5', }, }, yAxis: [{ show: true, inverse: true, data: multi_obj.data0, axisLabel: { color: '#C5DCFF', textStyle: { fontSize: 14, }, }, axisLine: { show: false }, axisTick: { show: false }, }], xAxis: [{ axisLabel: { show: false }, axisLine: { show: false }, axisTick: { show: false }, splitLine: { show: false } }], //animation: false, series: [{ type: 'bar', name: '科研项目', data: multi_obj.data2[0], barWidth: '10px', stack: '科研分析', label: { show: false, position: 'right', color: '#FFFFFF', fontSize: 15, offset: [5, 0] }, itemStyle: { normal: { color: new echarts.graphic.LinearGradient(1, 0, 0, 0, [{ offset: 0, color: '#065ADA' // 0% 处的颜色 }, { offset: 1, color: '#22CFF5' // 100% 处的颜色 }], false), barBorderRadius: 5, } }, z: 50, }, { type: 'bar', name: '专利成果', data: multi_obj.data2[1], barWidth: '10px', stack: '科研分析', label: { show: false, position: 'right', color: '#FFFFFF', fontSize: 15, offset: [5, 0] }, itemStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 0, 1, 0, [{ offset: 0, color: '#2CFFBA' // 0% 处的颜色 }, { offset: 1, color: '#1B856D' // 100% 处的颜色 }], false), barBorderRadius: 5, shadowBlur: [0, 0, 0, 5], shadowColor: '#2CFFBA', shadowOffsetX: -5, } }, z: 40, }, { type: 'bar', name: '获奖成果', data: multi_obj.data2[2], barWidth: '10px', stack: '科研分析', label: { show: false, position: 'right', color: '#FFFFFF', fontSize: 15, offset: [5, 0] }, itemStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 0, 1, 0, [{ offset: 0, color: '#FF7E7C' // 0% 处的颜色 }, { offset: 1, color: '#FF6061' // 100% 处的颜色 }], false), barBorderRadius: 5, shadowBlur: [0, 0, 0, 5], shadowColor: '#FF7E7C', shadowOffsetX: -5, } }, z: 30, }, { type: 'bar', name: '论文成果', data: multi_obj.data2[3], barWidth: '10px', stack: '科研分析', label: { show: false, position: 'right', color: '#FFFFFF', fontSize: 15, offset: [5, 0] }, itemStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 0, 1, 0, [{ offset: 0, color: '#27F8F6' // 0% 处的颜色 }, { offset: 1, color: '#209ECD' // 100% 处的颜色 }], false), barBorderRadius: 5, shadowBlur: [0, 0, 0, 5], shadowColor: '#27F8F6', shadowOffsetX: -5, } }, z: 20, }, { type: 'bar', name: '著作成果', data: multi_obj.data2[4], barWidth: '10px', stack: '科研分析', label: { show: false, position: 'right', color: '#FFFFFF', fontSize: 15, offset: [5, 0] }, itemStyle: { normal: { color: new echarts.graphic.LinearGradient(0, 0, 1, 0, [{ offset: 0, color: '#9F9BFF' // 0% 处的颜色 }, { offset: 1, color: '#826CFF' // 100% 处的颜色 }], false), barBorderRadius: 5, shadowBlur: [0, 0, 0, 5], shadowColor: '#9F9BFF', shadowOffsetX: -5, } }, z: 10, }] }; var series = option["series"]; var fun = function(params) { var datavalue = 0; for (var i = 0; i < series.length; i++) { datavalue += series[i].data[params.dataIndex] } return datavalue; } if (series[series.length - 1]) { series[series.length - 1]["label"]["show"] = true; series[series.length - 1]["label"]["formatter"] = fun; } myChart.on("legendselectchanged", function(object) { let one = object.selected.科研项目; let two = object.selected.专利成果; let three = object.selected.获奖成果; let four = object.selected.论文成果; let five = object.selected.著作成果; //获取option对象 let option1 = this.getOption(); //清空需要重新渲染的数据 option1.yAxis[0].data = []; option1.series[0].data = []; option1.series[1].data = []; option1.series[2].data = []; option1.series[3].data = []; option1.series[4].data = []; //定义一个对象，data0：X轴坐标数组；data1：二维数组，存legend为true的series数组；data2：二维数组，存储所有的series数组 let obj = { "data0": getname, "data1": [], "data2": [getvalue, getvalue1, getvalue2, getvalue3, getvalue4] }; //判断legend图例是否为true，是就给对象obj的data1追加相应的series数组 if (one) { obj.data1.push(getvalue); } if (two) { obj.data1.push(getvalue1); } if (three) { obj.data1.push(getvalue2); } if (four) { obj.data1.push(getvalue3); } if (five) { obj.data1.push(getvalue4); } //调用排序方法，返回排序好的对象 let multi_obj = multi_bubbleSort(obj); //给上面清空的数据添加值 option1.yAxis[0].data = multi_obj.data0; option1.series[0].data = multi_obj.data2[0]; option1.series[1].data = multi_obj.data2[1]; option1.series[2].data = multi_obj.data2[2]; option1.series[3].data = multi_obj.data2[3]; option1.series[4].data = multi_obj.data2[4]; var b = object.selected, //图例的选中情况，key是图例的name，value是true或false d = []; //选中的series的index列表 for (var key in b) { if (b[key]) { //选中的图例 for (var i = 0; i < series.length; i++) { var changename = series[i]["name"]; if (changename == key) { d.push(i); //选中的series的index列表 } } } } var fn = function(params) { var datavalue = 0; for (var i = 0; i < d.length; i++) { for (var j = 0; j < series.length; j++) { if (d[i] == j) { datavalue += series[j].data[params.dataIndex]; } } } return datavalue; } for (var j = 0; j < series.length; j++) { series[j]["label"]["show"] = false; } var l_s = series[d[d.length - 1]]; //选中的series的最后一个 if (l_s != null && l_s != "" && l_s != undefined) { l_s["label"]["show"] = true; //显示label l_s["label"]["formatter"] = fn; //绑定formatter } myChart.setOption(option) })

堆砌合计选择图例动态排名