<template>
  <Echart ref="chart" :options="option" height="100%" width="100%" />
</template>
  <script>
/**
     * @author 王晓颖
     * @date 2020/08/19
     * @Description 横向柱状图
     * @props 数据格式：{
     *    id: 'traffic_govern_line_id',
        legend:['近一周日均车位占用率','近一周日均车位停车次数'], // 可不传
        xAxisData:['周一','周二','周三','周四','周五','周六','周日'],
        axisData: [
          {name:'近一周日均车位占用率',data:[120, 252, 101, 134, 290, 230, 110],color:'58,55,194'},
          {name:'近一周日均车位停车次数',data:[120, 222, 191, 234, 250, 200, 310],color:'109,202,23'},
        ]
      }
     *
     */
import Echart from "./../index";
export default {
  name: "verticalBarChart",
  components: { Echart },
  props: {
    unit: {
      // 单位
      type: String,
      default: "",
    },
    colors: {
      // 颜色
      type: Array,
      default: () => {
        return ["#01b4ff", "#0337ff"];
      },
    },
    axisLineColor: {
      // 轴线颜色
      type: String,
      default: "#101d5d",
    },
    fontColor: {
      // 轴线上文字颜色
      type: String,
      default: "#000fff",
    },
    labelColor: {
      // 图形上文本标签颜色
      type: String,
      default: "#47c8b2",
    },
    seriesData: {
      // 数据
      type: Array,
      default: () => {
        return [];
      },
    },
    yAxisData: {
      // X轴数据
      type: Array,
      default: () => {
        return [];
      },
    },
  },
  data() {
    return {
      curWidth: this.width,
      curHeight: this.height,
      option: {
        grid: {
          left: 10,
          right: 30,
          bottom: 5,
          top: 30,
          containLabel: true,
        },
        tooltip: {
          trigger: "", //悬浮提示框不显示
        },
        xAxis: [
          {
            type: "value",
            show: false,
            boundaryGap: false,
            data: [],
            boundaryGap: [0, 0],
            position: "top",
            axisLine: {
              lineStyle: {
                color: this.axisLineColor, // 轴线的颜色
              },
            },
            axisLabel: {
              color: this.fontColor, // X轴名称颜色
              fontSize: 14,
            },
          },
        ],
        yAxis: [
          {
            name: this.unit,
            type: "category",
            // offset:-100,// 调整y轴文字位置
            // nameLocation:'start',
            // offset:-20,  
            data:[],  //y轴显示内容
            show: true,
            color: "#000",
            nameTextStyle: {
              color: "#000",
              fontSize: 14,
              verticalAlign: "middle",
            },
            max: function (value) {
              return value.max;
            },
            minIntermal: 1,
            axisLine: {
              show: false,
            },
            axisLabel: {
              color: this.fontColor,
            //   inside:true,
              fontSize: 12,
              formatter: function (value, index) {  //时候后用于修改y轴显示内容
                return value + (index + 1);
              },
            },
          },
        ],
        series: [],
      },
    };
  },
  watch: {
    yAxisData(newVal) {
      this.option.yAxis[0].data = newVal;
      //   this.refreshEchart();
    },
    seriesData: {
      handler(newVal) {
        const newSeries = [];
        for (const item of newVal) {
          const series = {
            name: item.name,
            type: "bar",
            barWidth: 10,
            showBackground: true,
            backgroundStyle:{
                color: 'rgba(180, 180, 180, 0.1)',
                // borderWidth:2,
                // borderColor:'#000'

            },
            itemStyle: {
              normal: {
                label: {
                  show: true, //显示文本
                  position: ["90%", "-110%"], //数据值位置
                  textStyle: {
                    color: "#000",
                    fontSize: "14",
                  },
                },
              },
            },
            data: item.data,
          };
          newSeries.push(series);
        }
        this.$set(this.option, "series", newSeries);
        // this.refreshChart();
      },
      deep: true,
    },
  },
  //   mounted() {
  //     this.refreshChart();
  //   },
  //   methods: {
  //     refreshChart() {
  //       this.unit && (this.option.yAxis[0].name = this.unit);
  //       if (this.xAxisData.length) {
  //         this.option.legend.data = this.legend;
  //         this.option.xAxis[0].data = this.xAxisData;
  //         const newSeries = [];
  //         for (const item of this.seriesData) {
  //           const series = {
  //             name: item.name,
  //             type: "bar",
  //             itemStyle: {
  //               color: `rgb(${item.color})`,
  //             },
  //             lineStyle: {
  //               width: 1,
  //             },
  //             areaStyle: {
  //               color: new this.$echarts.graphic.LinearGradient(
  //                 0,
  //                 0,
  //                 0,
  //                 1, // 变化度 //三种由深及浅的颜色
  //                 [
  //                   {
  //                     offset: 0.1,
  //                     color: `rgba(${item.color},.6)`,
  //                   },
  //                   {
  //                     offset: 1,
  //                     color: "rgba(0,0,0,.0)",
  //                   },
  //                 ]
  //               ),
  //             },
  //             data: item.data,
  //           };
  //           newSeries.push(series);
  //         }
  //         this.$set(this.option, "series", newSeries);
  //       }
  //     },
  //   },
};
</script>
  
  <style scoped>
</style>