1.CorsConfig.java
package com.example.demo.config; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.cors.UrlBasedCorsConfigurationSource; import org.springframework.web.filter.CorsFilter; @Configuration public class CorsConfig { //当前跨越请求最大有效时长,这里默认1天 private static final long MAX_AGE= 24*60*60; /** * <p>Description:跨域过滤器</p> * @return:CorsFilter */ @Bean public CorsFilter corsFilter() { UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(); CorsConfiguration corsConfiguration = new CorsConfiguration(); corsConfiguration.setAllowCredentials(true); corsConfiguration.addAllowedOrigin("*"); //1.设置访问源地址,*表示所有IP corsConfiguration.addAllowedHeader("*"); //2.设置访问源请求头,*表示所有IP corsConfiguration.addAllowedMethod("*"); //3.设置访问源请求方法,*表示所有IP corsConfiguration.setMaxAge(MAX_AGE); // 设置跨域时长 source.registerCorsConfiguration("/**", corsConfiguration); //4.对接口配置跨域设置 return new CorsFilter(source); } }