统计

随笔 - 50
文章 - 0
评论 - 0
阅读 - 37700

echarts，多比例柱状图渐变色，数据可移动

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

var option = {
    backgroundColor:'#323a5e',
       tooltip: {
         trigger: 'axis',
         axisPointer: { // 坐标轴指示器，坐标轴触发有效
           type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
         }
       },
       grid: {
         left: '2%',
         right: '4%',
         bottom: '14%',
         top:'16%',
         containLabel: true
       },
        legend: {
       data: ['1', '2', '3'],
       right: 10,
       top:12,
       textStyle: {
           color: "#fff"
       },
       itemWidth: 12,
       itemHeight: 10,
       // itemGap: 35
   },
       xAxis: {
         type: 'category',
         data: ['2012','2013','2014','2015','2016','2017','2018','2019'],
         axisLine: {
           lineStyle: {
             color: 'white'
 
           }
         },
         axisLabel: {
           // interval: 0,
           // rotate: 40,
           textStyle: {
             fontFamily: 'Microsoft YaHei'
           }
         },
       },
 
       yAxis: {
         type: 'value',
         max:'1200',
         axisLine: {
           show: false,
           lineStyle: {
             color: 'white'
           }
         },
         splitLine: {
           show: true,
           lineStyle: {
             color: 'rgba(255,255,255,0.3)'
           }
         },
         axisLabel: {}
       },
       "dataZoom": [{
         "show": true,
         "height": 12,
         "xAxisIndex": [
           0
         ],
         bottom:'8%',
         "start": 10,
         "end": 90,
         handleIcon: 'path://M306.1,413c0,2.2-1.8,4-4,4h-59.8c-2.2,0-4-1.8-4-4V200.8c0-2.2,1.8-4,4-4h59.8c2.2,0,4,1.8,4,4V413z',
         handleSize: '110%',
         handleStyle:{
           color:"#d3dee5",
 
         },
         textStyle:{
           color:"#fff"},
         borderColor:"#90979c"
       }, {
         "type": "inside",
         "show": true,
         "height": 15,
         "start": 1,
         "end": 35
       }],
       series: [{
         name: '1',
         type: 'bar',
         barWidth: '15%',
         itemStyle: {
           normal: {
               color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                   offset: 0,
                   color: '#fccb05'
               }, {
                   offset: 1,
                   color: '#f5804d'
               }]),
               barBorderRadius: 12,
           },
         },
         data: [400, 400, 300, 300, 300, 400, 400, 400, 300]
       },
       {
         name: '2',
         type: 'bar',
         barWidth: '15%',
         itemStyle: {
           normal: {
               color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                   offset: 0,
                   color: '#8bd46e'
               }, {
                   offset: 1,
                   color: '#09bcb7'
               }]),
               barBorderRadius: 11,
           }
            
         },
         data: [400, 500, 500, 500, 500, 400,400, 500, 500]
       },
       {
         name: '3',
         type: 'bar',
         barWidth: '15%',
         itemStyle: {
           normal: {
               color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                   offset: 0,
                   color: '#248ff7'
               }, {
                   offset: 1,
                   color: '#6851f1'
               }]),
           barBorderRadius: 11,
           }
         },
         data: [400, 600, 700, 700, 1000, 400, 400, 600, 700]
       }]
     };
 
     var app = {
       currentIndex: -1,
     };
     setInterval(function () {
       var dataLen = option.series[0].data.length;
 
       // 取消之前高亮的图形
       myChart.dispatchAction({
         type: 'downplay',
         seriesIndex: 0,
         dataIndex: app.currentIndex
       });
       app.currentIndex = (app.currentIndex + 1) % dataLen;
       //console.log(app.currentIndex);
       // 高亮当前图形
       myChart.dispatchAction({
         type: 'highlight',
         seriesIndex: 0,
         dataIndex: app.currentIndex,
       });
       // 显示 tooltip
       myChart.dispatchAction({
         type: 'showTip',
         seriesIndex: 0,
         dataIndex: app.currentIndex
       });
 
 
     }, 1000);