From f98f7f55429da7a71b400c854769dd3a5f4cc5a3 Mon Sep 17 00:00:00 2001
From: fanluyan <754122931@qq.com>
Date: Wed, 13 Mar 2024 11:04:27 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E9=A6=96=E9=A1=B5?=
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---
 src/views/homePage/Echarts/index.vue | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/views/homePage/Echarts/index.vue b/src/views/homePage/Echarts/index.vue
index 1ebd00b1..38e425fd 100644
--- a/src/views/homePage/Echarts/index.vue
+++ b/src/views/homePage/Echarts/index.vue
@@ -71,10 +71,12 @@ export default {
         tooltip: {
           trigger: "axis",
           formatter: function (params) {
-            var relVal = params[0].name;
+            var relVal = params[0].name + "<br/>"; // 假设 params[0].name 是标题或类别名
             for (var i = 0; i < params.length; i++) {
-              relVal +=
-                "<br/>" + params[i].seriesName + " : " + params[i].value;
+              // 检查值是否为 undefined，如果是，则替换为 --
+              var value =
+                params[i].value !== undefined ? params[i].value : "--";
+              relVal += params[i].seriesName + " : " + value + "<br/>";
             }
             return relVal;
           },