Echat普通柱状图-x轴信息倾斜

"echarts": "^5.1.2",

<template>
  <div id="centerEcharts2" class="echarts"></div>
</template>
<script>
import * as echarts from "echarts";
export default {
  // startVal 初始值 endVal 最终值 title 标签值
  props: {
    datas: {
      type: [Array, Object, String],
      default: ""
    }
  },
  data() {
    return {
      Time1: null,
      datasCopy: ""
    };
  },
  computed: {},
  watch: {
    // 这是监听json值变化
    datas: {
      // json为监听参数名
      handler: function(val, oldVal) {
        // 不能用箭头函数
        this.$nextTick(() => {
          setTimeout(() => {
            this.echartsFun(val);
          }, 200);
        });
      },
      immediate: true // 首次赋值是否触发,一般不写
    }
  },
  beforeDestroy() {
    clearInterval(this.Time1);
  },
  methods: {
    echartsFun(val) {
      this.datasCopy = val;
      // console.log(JSON.parse(JSON.stringify(this.datasCopy)));
      const t = this;
      const myChart = echarts.init(document.getElementById("centerEcharts2"));
      const option = {
        tooltip: {
          trigger: "axis",
          confine: true, // 悬停内容超出画布用这个
          backgroundColor: "rgba(0,0,0,0.5)",
          borderWidth: 0,
          textStyle: {
            color: "#fff"
          },
          axisPointer: {
            type: "shadow"
          },
          formatter(params) {
            const index = params[0].dataIndex; // 下标
            return (
              t.datasCopy.xData0[index] +
              "<br/>" +
              "数量：" +
              t.datasCopy.yData[index]
            );
          }
        },
        grid: {
          top: "5%",
          left: "0%",
          right: "0%",
          bottom: "0",
          containLabel: true // 显示范围包含坐标刻度
        },
        xAxis: [
          {
            type: "category",
            showMaxLabel: true, // X轴显示开头和最后一个信息
            data: this.datasCopy.xData,
            axisLabel: {
              rotate: 50,
              textStyle: {
                fontSize: 12,
                color: "rgba(255,255,255,1)"
              }
            },
            axisLine: {
              lineStyle: {
                color: "rgba(255,255,255,1)",
                width: 1,
                type: "solid"
              }
            },
            axisTick: {
              show: false
            }
          }
        ],
        yAxis: [
          {
            max: function(value) {
              if (value.max === 0) {
                return value.max + 10;
              }
            },
            axisLabel: {
              // 设置单位
              formatter: "{value} M"
            },
            minInterval: 1,
            type: "value",
            axisTick: {
              show: false
            },
            axisLine: {
              show: false,
              lineStyle: {
                color: "rgba(255,255,255,1)",
                width: 1,
                type: "solid"
              }
            },
            splitLine: {
              lineStyle: {
                color: "rgba(255,255,255,0.6)"
              }
            }
          }
        ],
        series: [
          {
            name: "",
            type: "bar",
            data: this.datasCopy.yData,
            barWidth: 20, // 柱子宽度
            barGap: 1, // 柱子之间间距
            itemStyle: {
              normal: {
                color: val => {
                  return new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                    {
                      offset: 0,
                      color: "#01DAE8"
                    },
                    {
                      offset: 1,
                      color: "#01DAE8"
                    }
                  ]);
                }
              }
            }
          }
        ]
      };
      myChart.setOption(option, true); // true无数据时更新试图
    }
  }
};
</script>
<style lang="scss" scoped>
.echarts {
  width: 100%;
  height: 100%;
}
</style>

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