function GetRandomNum(Min, Max) { var Range = Max - Min; var Rand = Math.random(); return (Min + Math.round(Rand * Range)); } var gauge_value = 666; if (gauge_value <= 550) { gauge_value = 0.6 * gauge_value + 140; } else if (gauge_value <= 700) { gauge_value = 2.4 * gauge_value - 850; } else { gauge_value = 0.48 * gauge_value + 494; } option = { title: { //show:false, x: "center", bottom: 200, //text:'AAA', subtext: '信用等级' }, tooltip: { show: true, // formatter: "{a}
{b} {c}", backgroundColor: '#F7F9FB', borderColor: '#92DAFF', borderWidth: '1px', textStyle: { color: 'black' }, formatter: function(param) { return '' + param.value + ' 分' } }, series: [{ name: '信用分', type: 'gauge', // startAngle: 180, // endAngle: 0, min: 350, max: 950, axisLine: { show: true, lineStyle: { width: 40, shadowBlur: 0, color: [ [0.2, '#E43F3D'], [0.4, '#E98E2C'], [0.6, '#DDBD4D'], [0.8, '#7CBB55'], [1, '#9CD6CE'] ] } }, axisTick: { show: true, splitNumber: 1 }, splitLine: { show: true, length: 40, lineStyle: { //color:'black' }, }, axisLabel: { formatter: function(e) { switch (e + "") { case "410": return "较差"; //return ""; case "470": return "550"; case "530": return "中等"; //return ""; case "590": return "600"; case "650": return "良好"; //return ""; case "710": return "650"; case "770": return "优秀"; //return ""; case "830": return "700"; case "890": return "极好"; //return ""; default: return e; } }, textStyle: { fontSize: 12, fontWeight: "" } }, pointer: { show: true, }, detail: { //show:false, formatter: function(param) { var level = ''; if (param < 470) { level = '较差' } else if (param < 590) { level = '中等' } else if (param < 710) { level = '良好' } else if (param < 830) { level = '优秀' } else if (param <= 950) { level = '极好' } else { level = '暂无'; } return level; }, offsetCenter: [0, 140], textStyle: { fontSize: 40 } }, data: [{ name: "", value: Math.floor(gauge_value) }] }] }; setInterval(function() { gauge_value = GetRandomNum(350, 950); console.log(gauge_value); if (gauge_value <= 550) { gauge_value = 0.6 * gauge_value + 140; } else if (gauge_value <= 700) { gauge_value = 2.4 * gauge_value - 850; } else { gauge_value = 0.48 * gauge_value + 494; } console.log(gauge_value); option = { title: { //show:false, x: "center", bottom: 200, //text:'AAA', subtext: '信用等级' }, tooltip: { show: true, // formatter: "{a}
{b} {c}", backgroundColor: '#F7F9FB', borderColor: '#92DAFF', borderWidth: '1px', textStyle: { color: 'black' }, formatter: function(param) { return '' + param.value + ' 分' } }, series: [{ name: '信用分', type: 'gauge', // startAngle: 180, // endAngle: 0, min: 350, max: 950, axisLine: { show: true, lineStyle: { width: 40, shadowBlur: 0, color: [ [0.2, '#E43F3D'], [0.4, '#E98E2C'], [0.6, '#DDBD4D'], [0.8, '#7CBB55'], [1, '#9CD6CE'] ] } }, axisTick: { show: true, splitNumber: 1 }, splitLine: { show: true, length: 40, lineStyle: { //color:'black' }, }, axisLabel: { formatter: function(e) { switch (e + "") { case "410": return "较差"; //return ""; case "470": return "550"; case "530": return "中等"; //return ""; case "590": return "600"; case "650": return "良好"; //return ""; case "710": return "650"; case "770": return "优秀"; //return ""; case "830": return "700"; case "890": return "极好"; //return ""; default: return e; } }, textStyle: { fontSize: 12, fontWeight: "" } }, pointer: { show: true, }, detail: { //show:false, formatter: function(param) { var level = ''; if (param < 470) { level = '较差' } else if (param < 590) { level = '中等' } else if (param < 710) { level = '良好' } else if (param < 830) { level = '优秀' } else if (param <= 950) { level = '极好' } else { level = '暂无'; } return level; }, offsetCenter: [0, 140], textStyle: { fontSize: 40 } }, data: [{ name: "", value: Math.floor(gauge_value) }] }] }; myChart.setOption(option); }, 1000);

仪表盘指针怎么实现自由拖动