修复储值视图数据少于4条时无法显示问题

src/containers/Dashboard/CustomerRecharge/chart.vue

@@ -244,11 +244,12 @@ export default {
     updateSlider() {
       this.sliderDom.innerHTML = '';
 
-      const arrLength = this.data.length;
-      console.log('2222', this.data.length - 1);
+      const arrLength = this.dataList.length;
+      let start = this.dataList.length - 4 >= 0 ? this.dataList.length - 4 : 0;
+      let end = this.dataList.length - 1 >= 1 ? this.dataList.length - 1 : 1;
+      // console.log('2222', this.dataList.length - 1, start, end);
 
       if (arrLength) {
-        // let spanNum = 4 / arrLength;
         this.slider = new Slider({
           container: this.sliderDom,
           width: 26,
@@ -266,8 +267,8 @@ export default {
               },
             },
           },
-          start: this.data.length - 4,
-          end: this.data.length - 1,
+          start: start,
+          end: end,
           minSpan: 4,
           maxSpan: 4,
           data: this.dataList,
@@ -291,16 +292,18 @@ export default {
       if (this.chart) {
         const arrLength = this.data.length;
         let spanNum = 4 / arrLength;
+        let start =
+          this.dataList.length - 4 >= 0 ? this.dataList.length - 4 : 0;
+        let end = this.dataList.length - 1 >= 1 ? this.dataList.length - 1 : 1;
 
-        this.ds.setState('start', this.data.length - 4);
-        this.ds.setState('end', this.data.length - 1);
+        this.ds.setState('start', start);
+        this.ds.setState('end', end);
         this.dv.source(this.dataList);
         // let height = this.data.length * 50;
         // this.chart.changeHeight(height);
         this.updateSlider();
         this.updateData();
         console.log(this.chart.getYScales());
-
       } else {
         this.initData();
         this.initSlider();