echarts仪表盘不靠边的解决办法

• 仪表盘中，默认图表是水平垂直居中，如果要改外边距，用grid是不行的， 要用 center , center:['50%','50%']，第一个左，第二个上
• 一个整圆，要加起来小于等于359.9度，如果整360度，则开始点和结束点会重合。

•  series: [
                  {
                  name: '外层',
                  z:10,
                  type: 'gauge',
                  detail: {
                      formatter: function (){
                          return '当前时间';
                      },
                      fontSize:12 ,
                      offsetCenter:[0,'-47%'],
                      color:'#2d8bd5',
                  },
                  title:{
                      show:true,
                      fontSize:17,
                      offsetCenter:[0,'-32%'],
                      color:'#2d8bd5',
                      fontWeight :"bold",
                  },
                  radius:'88%',  //半径
                  center:['50%','50%'],  //边距
                  startAngle: '90',  //开始的度数，0 度
                  endAngle: '-269.99',    //结束的度数
                  min: 0,  
                  max: 12,
                  splitNumber: 12, //分为12份
                  data: [{
                      name:getNowFormatDate()
                  }],
                  axisLabel: { //刻度标签
                      distance: '12', //标签与刻度线的距离
                      textStyle: {
                          fontWeight: 'bold',
                          fontSize: 16,
                          color:'#2d8bd5'
                      },
                      formatter: function (t) {
                          switch (t + '') {   
                              default:
                                  return ''; 
                          }
                      }
                  },
                  axisLine:{
                      lineStyle:{
                          color:[ //整体为1，分成了12格，每个就是0.83
                              [0.1,"#339CCD"],
                              [0.1,"#16497A"],
                              [0.17,"#46A5E1"],
                              [0.23,"#16497A"],
                              [0.27,"#16497A"],
                              [0.34,"#46A5E1"],
                              [0.38,"#88CCEE"],
                              [0.4,"#46A5E1"],
                              [0.5,"#378FBF"],
                              [0.59,"#46A5E1"],
                              [0.7,"pink"],
                              [0.85,'pink'],
                              [0.92,"#D7E5E9"],
                              [0.97,"#46A5E1"],
                              [1,"#ff6000"],          
                          ],
                          width:18
                      }
                  },
                  axisTick: { //小刻度尺
                      show: false,
                  },
                  splitLine: {    //分割的刻度尺，大刻度尺
                      show: 0,
                  },
                  pointer:{
                      // length:"120%",
                      show:false
                  },
                  
              },
            ]