echarts处理x轴的文字过长，换行显示

xAxis: {
   type: "category",       
   boundaryGap: false,               
   data: interfaceName,          
   axisLabel: {  //坐标轴刻度标签的相关设置。               
      interval: 0,                 
      margin: 12,                                       
      textStyle: {   // 更改x轴文字颜色的配置 
          color: "#99B4D9", //处理x轴的文字颜色           
          fontSize: 12,         
      },              
      formatter: function (value) {              
          let result = "";           
          let maxLength = 4; // 每行最多显示4个字符                 
          for ( let i = 0, len = value.length;  i < len; i += maxLength ) {                    
                result += value.slice(i, i + maxLength) + "\n"; 
          }              
          return result;  
      },  
   },                
   axisLine: {                
      lineStyle: {               
        color: "#199DFF",               
        width: 1, //x轴线的宽度         
      },             
    },               
   axisTick: {                 
      show: false,     
   }, 
},