Merge branch 'cherry-pick-fc56a1fc' into 'dev'

fix: networkoverview的曲线图去掉尾部最多4个0值点

See merge request cyber-narrator/cn-ui!41

src/views/charts2/charts/networkOverview/NetworkOverviewLine.vue

@@ -464,8 +464,7 @@ export default {
           newData.push(obj)
         })
       }
-
-      if (data !== undefined && data.length > 0) {
+      if (data && data.length > 0) {
         newData.forEach((item) => {
           item.type = getLineType(item.type)
           if (item.type === val) {
@@ -478,6 +477,24 @@ export default {
         })
       }
       lineData.splice(0, 1)
+      // TODO 下面的逻辑是判断total曲线的尾部数据，从尾往前数0值的个数，若个数大于0，所有曲线都从尾部去掉相同数量的点，最多4个
+      const totalData = lineData[0]
+      if (totalData.values.length > 4) {
+        let count = 0
+        for (let i = totalData.values.length - 1; i >= totalData.values.length - 4; i--) {
+          if (totalData.values[i].length > 1 && totalData.values[i][1] === 0) {
+            count++
+          } else {
+            break
+          }
+        }
+        if (count > 0) {
+          lineData.forEach(l => {
+            l.values.splice(l.values.length - count, count)
+          })
+        }
+      }
+
       if (val === 'Sessions/s') {
         const tabs = _.cloneDeep(this.tabsTemplate)
         lineData.forEach((d, i) => {