修改了其中接口的一些错误

src/main/java/com/zoo/config/MyCorsConfig.java

@@ -13,7 +13,7 @@ public class MyCorsConfig {
     public CorsFilter corsFilter(){
         CorsConfiguration corsConfiguration = new CorsConfiguration();
         //允许跨域的地址
-        corsConfiguration.addAllowedOrigin("http://localhost:8888");
+        corsConfiguration.addAllowedOrigin("http://localhost:5000");
         //http://localhost:8080
         //是否发送cookie信息
         corsConfiguration.setAllowCredentials(true);

src/main/java/com/zoo/controller/AnimalController.java

@@ -31,7 +31,7 @@ public class AnimalController {
              QueryWrapper<Animal> queryWrapper = new QueryWrapper<>();
              queryWrapper.eq("a_id",aid);
              Animal one = iAnimalService.getOne(queryWrapper);
-             R.success(one);
+             return R.success(one);
          }
          List<Animal> list = iAnimalService.list();
          return R.success(list);

target/classes/application.yml

@@ -1,3 +1,4 @@
+
 # 应用服务 WEB 访问端口
 spring:
   datasource:
@@ -5,4 +6,5 @@ spring:
     url: jdbc:mysql://localhost:3306/zoo
     username: root
     password: 83363083a
-
+server:
+  port: 8888