解决 vue axios 带 header 时，会默认发起 OPTIONS 请求的方法的问题

user/user-application/src/main/java/cn/iocoder/mall/user/application/config/MVCConfiguration.java

@@ -1,16 +1,16 @@
 package cn.iocoder.mall.user.application.config;
 
 import cn.iocoder.common.framework.config.GlobalExceptionHandler;
+import cn.iocoder.common.framework.servlet.CorsFilter;
 import cn.iocoder.mall.admin.sdk.interceptor.AdminSecurityInterceptor;
 import cn.iocoder.mall.user.sdk.interceptor.UserAccessLogInterceptor;
 import cn.iocoder.mall.user.sdk.interceptor.UserSecurityInterceptor;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
-import org.springframework.web.servlet.config.annotation.EnableWebMvc;
-import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
-import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.web.servlet.config.annotation.*;
 
 @EnableWebMvc
 @Configuration
@@ -27,6 +27,7 @@ public class MVCConfiguration implements WebMvcConfigurer {
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
+        // CORS
         // 用户
         registry.addInterceptor(userAccessLogInterceptor).addPathPatterns("/users/**");
         registry.addInterceptor(userSecurityInterceptor).addPathPatterns("/users/**"); // 只拦截我们定义的接口
@@ -41,4 +42,21 @@ public class MVCConfiguration implements WebMvcConfigurer {
         registry.addResourceHandler("webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
     }
 
+    // TODO 芋艿，允许跨域
+//    @Override
+//    public void addCorsMappings(CorsRegistry registry) {
+//        registry.addMapping("/**")
+//                .allowedHeaders("*")
+//                .allowedMethods("*")
+//                .allowedOrigins("*");
+//    }
+
+    @Bean
+    public FilterRegistrationBean<CorsFilter> corsFilter() {
+        FilterRegistrationBean<CorsFilter> registrationBean = new FilterRegistrationBean<>();
+        registrationBean.setFilter(new CorsFilter());
+        registrationBean.addUrlPatterns("/*");
+        return registrationBean;
+    }
+
 }

user/user-sdk/src/main/java/cn/iocoder/mall/user/sdk/interceptor/UserAccessLogInterceptor.java

@@ -8,6 +8,7 @@ import com.alibaba.fastjson.JSON;
 import org.apache.commons.lang3.exception.ExceptionUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpMethod;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
@@ -37,6 +38,11 @@ public class UserAccessLogInterceptor extends HandlerInterceptorAdapter {
 
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+        // TODO 芋艿，临时拿来处理 vue axios options 请求的问题。
+        if (HttpMethod.OPTIONS.matches(request.getMethod())) {
+
+            return false; // 通过这样的方式，让前端知道允许的 header 等等。
+        }
         // 记录当前时间
         START_TIME.set(new Date());
         return true;