echarts 柱状图的选中模式实现-被选中变色和再次选中为取消变色

 1 function barCharShow(curr_dim,divId,result_data){
 2     mutilDim(curr_dim);//维度信息
 3       var paint = initEcharts(echarts,divId);
 4       var option = buildStandardBar(); 
 5        option.xAxis[0].data=result_data.xAxis_data;
 6        option.series[0].data= result_data.data;
 7        option.series[1].data=result_data.data_year;
 8        option.series[2].data= result_data.data_mom;
 9        paint.setOption(option);
10        var select_dim_id = "dim_"+(Number(curr_dim)+1);
11        paint.on(‘click‘, function (params) {
12            option.series[params.seriesIndex].itemStyle.normal.color=function (param){
13                if(params.dataIndex == param.dataIndex &&$("#parent_dim_"+curr_dim).val()!=params.name){
14                    return ‘#FF3333‘;
15                }else{
16                    return ‘#00FFCC‘;
17                } 
18                
19            };
20            paint.setOption(option);
21  
22               //alert(params);
23               //$("#"+select_dim_id).val(params.data.key);
24            
25               
26               if($("#parent_dim_"+curr_dim).val()==params.name){
27                 //取消维度选择
28                   $("#parent_dim_"+curr_dim).val(null);
29               }else{
30                 //维度选择
31                   $("#parent_dim_"+curr_dim).val(params.name);
32               }
33               
34               //获取全部维度-拼维度
35                var str="";
36                for (var i = 1; i <=curr_dim; i++) {
37                 if($("#parent_dim_"+i).val()!=""&&$("#parent_dim_"+i).val()!=null){
38                     if(i>1){
39                         str+="-";
40                     }
41                     str+=$("#parent_dim_"+i).val();
42                 }
43             }
44                $("#parent_mdim_"+curr_dim).val(str);
45                
46               
47               $("#"+select_dim_id).trigger("change");
48              
49             //  
50              
51           });
52  
53 }

  1 //标注柱状图
  2 function buildStandardBar(){
  3     var option = {
  4               color: [‘#00FFCC‘,‘#999933‘,‘#66FF00‘],
  5             title : {
  6                 text: ‘ ‘,
  7                 subtext: ‘ ‘
  8             },
  9             grid: [
 10                     {x: ‘3%‘, y: ‘10%‘, width: ‘94%‘, height: ‘80%‘,x2:‘1%‘, y2: ‘3%‘},
 11                   ],
 12             tooltip : {
 13                 trigger: ‘axis‘
 14             },
 15             legend: {
 16                  textStyle: {
 17                         color: ‘#fff‘,
 18                         fontSize:15
 19                     },
 20                 data:[‘当前‘,‘环比‘,‘同比‘]
 21             },
 22             calculable : true,
 23             xAxis : [
 24                 {
 25                     type : ‘category‘,
 26                     boundaryGap: true,
 27                     axisLabel:{
 28                         color:‘#fff‘,
 29                         interval:0,
 30                         rotate:15,//倾斜度 -90 至 90 默认为0
 31                         textStyle:{
 32                             fontSize:15,
 33                         }
 34                     },
 35                     axisLine:{
 36                         lineStyle:{
 37                             color:‘#fff‘
 38                         }
 39                     },
 40                     data : [ ]
 41                 }
 42             ],
 43             yAxis : [
 44                 {
 45                     type : ‘value‘,
 46                     axisLabel:{
 47                         color:‘#fff‘,
 48                         rotate:-50,//倾斜度 -90 至 90 默认为0
 49                         textStyle:{
 50                             fontSize:15,
 51                         },
 52                         formatter: function(value,index){//纵坐标单位转换
 53                             if((value/100000000)>=1){
 54                             return (value/100000000).toFixed(0)+" 亿";
 55                             }else if((value/10000000)>=1){
 56                             return (value/10000000).toFixed(0)+"千万";
 57                             }else if((value/1000000)>=1){
 58                             return (value/1000000).toFixed(0)+"百万";
 59                             }else if((value/10000)>=1){
 60                             return (value/10000).toFixed(0)+" 万";
 61                             }else{
 62                             return value;
 63                             }
 64                            }
 65                     },
 66                     axisLine:{
 67                         lineStyle:{
 68                             color:‘#fff‘
 69                         }
 70                     },
 71                     axisTick:{
 72                         show:false
 73                     },
 74                     splitLine:{
 75                         show:false
 76                     }
 77                 }
 78             ],
 79             series : [
 80                 {
 81                     name:‘当前‘,
 82                     type:‘bar‘,
 83                     data:[],
 84                     barCategoryGap:‘10%‘,
 85                     barGap:‘40%‘,
 86                     itemStyle : {
 87                         normal : {
 88                             label: {
 89                                   show: true,
 90                                   position: ‘top‘,
 91                                   textStyle: {
 92                                     color: ‘#FFFF00‘,
 93                                     fontSize:15
 94                               }
 95                            },
 96                             color: ‘#00FFCC‘
 97                         },
 98 
 99                     }
100                 },
101                 {
102                     name:‘同比‘,
103                     type:‘bar‘,
104                     data:[ ],
105                     barCategoryGap:‘10%‘,
106                     barGap:‘40%‘,
107                     itemStyle : {
108                         normal : {
109                             label: {
110                                   show: true,
111                                   position: ‘top‘,
112                                   textStyle: {
113                                     color: ‘#FFFF00‘,
114                                     fontSize:15
115                               }
116                            }
117                         },
118 
119                     }
120                    
121                 },
122                 {
123                     name:‘环比‘,
124                     type:‘bar‘,
125                     data:[ ],
126                     barCategoryGap:‘10%‘,
127                     barGap:‘40%‘,
128                     itemStyle : {
129                         normal : {
130                             label: {
131                                   show: true,
132                                   position: ‘top‘,
133                                   textStyle: {
134                                     color: ‘#FFFF00‘,
135                                     fontSize:15
136                               }
137                            }
138                         },
139 
140                     }
141                    
142                 }
143             ]
144         };
145     return option;
146 }