option ={ backgroundColor: 'RGB(2,22,76)', title: { text: '各班考试成绩分析', top: 21, left: '21', textStyle: { fontSize: 18, color: '#fff' } }, animation: false, "grid": { "top": "67", "left": "32", "bottom": "15", "right": "39", "containLabel": true }, "legend":{ "show":true, top: 15, right: 26, data:['周考','月考','期中考试'], textStyle:{ color: "RGB(193,223,255)" } }, "xAxis": [{ "type": "category", "data": ["一班", "二班","三班","四班","五班",'六班'], "axisTick": { "alignWithLabel": true }, "nameTextStyle": { "color": "#fff" }, "axisLine": { "lineStyle": { "color": "RGB(47,68,114)" } }, "axisLabel": { "textStyle": { "color": "white" }, margin: 20 } }], "yAxis": [{ "type": "value", "axisLabel": { "textStyle": { "color": "white" }, "formatter": "{value}" }, "splitLine": { "lineStyle": { "type": "dashed", "color": "RGB(47,68,114)" } }, "axisLine": { "show": true, "lineStyle": { "color": "RGB(47,68,114)" } } }], "series": [{ name:'周考', type: 'bar', //silent: true, "barWidth": "12", //barGap: '-100%', // Make series be overlap "data": [{ "value": 78 }, { "value": 81 },{ "value": 83 }, { "value": 76 },{ "value": 87.5 }, { "value": 86 }] }, { name:'月考', type: 'bar', //silent: true, "barWidth": "12", //barGap: '-100%', // Make series be overlap "data": [{ "value": 84 }, { "value": 74 },{ "value": 80 }, { "value": 87 },{ "value": 76 }, { "value": 89 }] }, { name:'期中考试', type: 'bar', //silent: true, "barWidth": "12", //barGap: '-100%', // Make series be overlap "data": [{ "value": 75 }, { "value": 92 },{ "value": 82 }, { "value": 86.5 },{ "value": 79.5 }, { "value": 86 }] } ] };