let xAxisData = ["1", "2", "3", "4", "5", "6", "7", "8"]; let yAxisData1 = [333, 333, 150, 113, 120, 100, 110, 333]; let yAxisData2 = [233, 233, 233, 233, 233, 233, 233, 233]; option = { "backgroundColor": "#fff", "tooltip": { "trigger": "axis" }, "legend": { "data": ["1",'2'], "top": "10%" }, "toolbox": { "show": false, "feature": { "dataZoom": {} } }, "grid": { "top": "30%", "left": "0%", "right": "0%", "bottom": "9%" }, "xAxis": { "show": false, "type": "category", "boundaryGap": false, "axisLabel": { "color": "rgba(0,0,0,0.8)", "fontSize": 30 }, "data": xAxisData }, "yAxis": { "show": false, "type": "value", "axisLabel": { "formatter": "{value} °C", "color": "rgba(0,0,0,0.8)", "fontSize": 30 } }, "series": [ { "name": "1", "type": "line", "smooth":"true", "color": "#7f7f7f", "areaStyle": { color: "#7f7f7f", "opacity":1 }, "data": yAxisData1, z:1 }, { "name": "2", "type": "line", "color": "#0b8fb066", "areaStyle": { "color": "#0b8fb066", // "opacity":1 }, "data": yAxisData2, z:0 }, { "type": "line", "markLine": { "data": [{ "lineStyle": { "color": "red" }, "label": { "position": "middle" }, "name": "min", "yAxis": 300 }, { "lineStyle": { "color": "green" }, "label": { "position": "middle" }, "name": "max", "yAxis": 200 }] } }] }