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处理一个null的js异常

liling 1 năm trước cách đây
mục cha
commit
6d62dd20fa

+ 1 - 0
src/pages/netStructPicture/components/scdMap.vue

@@ -89,6 +89,7 @@ export default {
         let kun = ref('')
         let kun = ref('')
         let lineList = []//线条显示
         let lineList = []//线条显示
         watch(() => props.antherBack, (newVal) => {
         watch(() => props.antherBack, (newVal) => {
+            if(newVal == null) return
             arrNew.value = newVal//监听传递数据变化
             arrNew.value = newVal//监听传递数据变化
             if (arrNew.value.length == 1) {
             if (arrNew.value.length == 1) {
                 chicken.value = arrNew.value[0].scd_name
                 chicken.value = arrNew.value[0].scd_name

+ 16 - 13
vue.config.js

@@ -1,17 +1,20 @@
-const { defineConfig } = require('@vue/cli-service')
+const {
+    defineConfig
+} = require('@vue/cli-service')
 module.exports = defineConfig({
 module.exports = defineConfig({
-  transpileDependencies: true
+    transpileDependencies: true
 })
 })
 module.exports = {
 module.exports = {
-  devServer: {
-    proxy: {
-      '/api': {
-        target: 'http://8.142.173.95:9527', // 设置你的后端 API 地址
-        changeOrigin: true, // 允许跨域
-        // pathRewrite: {
-        //   '^/api': '', // 重写请求路径,去掉 '/api'
-        // },
-      },
+    devServer: {
+        proxy: {
+            '/api': {
+                // target: 'http://127.0.0.1:9527', // 设置你的后端 API 地址
+                target: 'http://8.142.173.95:9527', // 设置你的后端 API 地址
+                changeOrigin: true, // 允许跨域
+                // pathRewrite: {
+                //   '^/api': '', // 重写请求路径,去掉 '/api'
+                // },
+            },
+        },
     },
     },
-  },
-};
+};