PHP前端开发

常用的echarts图表的实现代码

百变鹏仔 3周前 (11-27) #echarts
文章标签 图表

本篇文章给大家带来的内容是关于常用的echarts图表的实现代码,有一定的参考价值,有需要的朋友可以参考一下,希望对你有所帮助。

本文代码基于ehcarts4.0开发

饼图

// 饼图配置项    var option = {        series: [            {                name:'风险预警占比',                type: 'pie',                radius: ['25%', '40%'],                center: ['50%', '50%'],                roseType: false,                data: [                    {                        value: 40,                        name: '红色预警'                    }, {                        value: 30,                        name: '橙色预警'                    }, {                        value: 10,                        name: '黄色预警'                    }, {                        value: 50,                        name: '蓝色预警'                    }                ],                label: {                    fontSize: 12,                    color:'#545454',                    formatter: function (param) {                        return param.name + '(' + Math.round(param.percent) + '%' + ')'                             + '' + param.value +  '个';                    }                },                labelLine: {                    smooth: false,                    lineStyle: {                        width: 2                    }                },                itemStyle: {                    color:function(params){                        switch (params.name) {                            case '红色预警':                                return '#D70002';                            case '橙色预警':                                return '#FF9309';                            case '黄色预警':                                return '#FFFB09';                            case '蓝色预警':                                return '#035EF7';                            default:                                break;                        }                    }                },            }        ]    }

堆叠柱状图

//堆叠柱状图配置项  var option = {      backgroundColor: '#fff',      tooltip: {          trigger: 'axis',          axisPointer: {              type: 'shadow'          }      },      legend: {          bottom: '10',          itemGap: 30,          data: ['一级', '二级', '三级', '四级']      },      grid: { //图表的位置          top: 30,          left: 10,          right: 80,          bottom: 60,          containLabel: true      },      dataZoom: [          {              type: 'inside'          }, {              type: 'slider',              start: 0,              bottom: 40,              height: '15px',              fillerColor:'rgba(202,223,255,.8)',              borderColor:'#b6d2fc',              handleStyle:{                  color:'#b6d2fc'              },              dataBackground:{                  lineStyle:{                      color:'#b6d2fc'                  },                  areaStyle:{                      color:'rgba(202,223,255,.8)'                  }              }          }      ],      yAxis: [          {              type: 'value',              name: '备案个数',              nameTextStyle: {                  fontSize: 12,                  fontWeight: 'bold',                  color: '#454545'              },              splitLine: {                  show: false              },              axisLine: {                  lineStyle: {                      color: '#B3B3B3'                  }              },              axisLabel: {                  color: '#454545'              }          }      ],      xAxis: [          {              type: 'category',              name: '区县名称',              nameTextStyle: {                  fontSize: 12,                  fontWeight: 'bold',                  color: '#454545'              },              axisLine: {                  lineStyle: {                      color: '#B3B3B3'                  }              },              axisLabel: {                  color: '#454545'              },              data: ['鼓楼区','玄武区','秦淮区']          }      ],      series: [          {              name: '一级',              type: 'bar',              stack: '总量',              barWidth: '10px',              itemStyle:{                  color:'#D70002'              },              data: [2,4,6]          },          {              name: '二级',              type: 'bar',              stack: '总量',              barWidth: '10px',              data: [2,4,1]          },          {              name: '三级',              type: 'bar',              stack: '总量',              barWidth: '10px',              itemStyle:{                  color:'#FFFB09'              },              data: [1,5,7]          },          {              name: '四级',              type: 'bar',              stack: '总量',              barWidth: '10px',              itemStyle:{                  color:'#FF9309'              },              data: [1]          }      ]    }

渐变柱状图

//配置项var option = {      backgroundColor: '#fff',      color: [          new echarts.graphic.LinearGradient(              0, 0, 0, 1,              [                  { offset: 0, color: '#23E9EE' },                  { offset: 1, color: '#0460F7' }              ]          )      ],      tooltip: {          trigger: 'axis',          axisPointer: {              type: 'shadow'          }      },      legend: {          bottom: '10',          itemGap: 30,          data: ['一级', '二级', '三级', '四级']      },      grid: { //图表的位置          top: 30,          left: 10,          right: 80,          bottom: 60,          containLabel: true      },      dataZoom: [          {              type: 'inside'          }, {              type: 'slider',              start: 0,              bottom: 40,              height: '15px',              fillerColor:'rgba(202,223,255,.8)',              borderColor:'#b6d2fc',              handleStyle:{                  color:'#b6d2fc'              },              dataBackground:{                  lineStyle:{                      color:'#b6d2fc'                  },                  areaStyle:{                      color:'rgba(202,223,255,.8)'                  }              }          }      ],      yAxis: [          {              type: 'value',              name: '备案个数',              nameTextStyle: {                  fontSize: 12,                  fontWeight: 'bold',                  color: '#454545'              },              splitLine: {                  show: false              },              axisLine: {                  lineStyle: {                      color: '#B3B3B3'                  }              },              axisLabel: {                  color: '#454545'              }          }      ],      xAxis: [          {              type: 'category',              name: '区县名称',              nameTextStyle: {                  fontSize: 12,                  fontWeight: 'bold',                  color: '#454545'              },              axisLine: {                  lineStyle: {                      color: '#B3B3B3'                  }              },              axisLabel: {                  color: '#454545'              },              data: ['鼓楼区','玄武区','秦淮区']          }      ],      series: [          {              name: '报警',              type: 'bar',              stack: '总量',              barWidth: '10px',              data: [1,2,4]          }      ]  };

线图

//线图配置项var option = {      tooltip: {          trigger: 'axis'      },      color: [          new echarts.graphic.LinearGradient(              0, 0, 0, 1,              [                  {offset: 0, color: '#23E9EE'},                  {offset: 1, color: '#0460F7'}              ]          )      ],      grid: {          top: 30,          left: 10,          right: 30,          bottom: 50,          containLabel: true      },      dataZoom: [          {              type: 'inside'          }, {              type: 'slider',              start: 0,              bottom: 30,              height: '15px',              fillerColor:'rgba(202,223,255,.8)',              borderColor:'#b6d2fc',              handleStyle:{                  color:'#b6d2fc'              },              dataBackground:{                  lineStyle:{                      color:'#b6d2fc'                  },                  areaStyle:{                      color:'rgba(202,223,255,.8)'                  }              }          }      ],      yAxis: [          {              type: 'value',              splitLine: {                  show: false              },              axisLine: {                  lineStyle: {                      color: '#B3B3B3'                  }              },              axisLabel: {                  color: '#454545'              }          }      ],      xAxis: {          type: 'category',          boundaryGap:false,          axisLine: {              lineStyle: {                  color: '#B3B3B3'              }          },          axisLabel: {              color: '#454545'          },          data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']      },      series: [          {              name: '报警个数',              type: 'line',              symbol: 'emptyCircle',              symbolSize: 2,              showSymbol: false,              smooth: true,              areaStyle: {                  color: new echarts.graphic.LinearGradient(                      0, 0, 0, 1,                      [                          {offset: 0, color: 'rgba(35,233,238,.4)'},                          {offset: 1, color: 'rgba(4,96,247,.4)'}                      ]                  )              },              lineStyle: {                  width: 1,                  color: '#59cef5'              },              itemStyle: {                  borderColor: '#59cef5',                  borderWidth: 2              },              data:[2,4,3,2,1,4,2]          }      ]  }

创建实例

var chart = echarts.init(document.getElementById('chartBox'));

设置图表实例的配置项

设置图表实例的配置项以及数据,万能接口,所有参数和数据的修改都可以通过setOption完成,ECharts 会合并新的参数和数据,然后刷新图表
chart.setOption(option);