网格数组截取

src/views/bigdata/chart-gridDistribution.vue

@@ -28,7 +28,7 @@
         let that = this
         getWgfb().then(resp => {
           // alert("网格分布")
-          that.data = resp.data
+          that.data = Array.isArray(resp.data) && resp.data.length > 20 ? resp.data.splice(0,22) : resp.data
           this.myEcharts()
         })
       },

src/views/bigdata/chart-gridStaff.vue

@@ -27,7 +27,7 @@
         setTimeout(() => {
           let that = this
           getWgry().then(resp => {
-            that.getWgry = resp.data
+            that.getWgry = Array.isArray(resp.data) && resp.data.length > 20 ? resp.data.splice(0,22) : resp.data
             // alert("网格人员")
             that.myEcharts()
           })
@@ -52,7 +52,8 @@
           var max = 0,
             len = arr.length;
           for (var i = 0; i < len; i++) {
-            max += arr[i][key];
+            var item = arr[i][key];
+            if (max < item) max = item;
           }
           return max;
         }