1:寫如下配置文件,可解決前後端跨域問題:
Access to XMLHttpRequest at 'http://192.130.0.122:8888/gsaSysMenu/MenuBySystemCode?systemCode=ManagerSystem&_=1566361032334' from origin 'http://localhost:8888' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
package gsa.support.web.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;/**
* @Author ylj
* @Date 2019/8/21 12:13
* @Version 1.0
*/
@Configuration
public class WebConentConfigurer {/*
@Bean public FilterRegistrationBean corsFilter() { UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(); CorsConfiguration config = new CorsConfiguration(); config.setAllowCredentials(true); config.addAllowedOrigin("http://domain1.com"); config.addAllowedHeader("*"); config.addAllowedMethod("*"); source.registerCorsConfiguration("/**", config); FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source)); bean.setOrder(0); return bean; }
*/
private CorsConfiguration buildConfig() {
CorsConfiguration corsConfiguration = new CorsConfiguration();
corsConfiguration.addAllowedOrigin("*"); // 1
corsConfiguration.addAllowedHeader("*"); // 2
corsConfiguration.addAllowedMethod("*"); // 3
corsConfiguration.setAllowCredentials(true);
return corsConfiguration;
}
@Bean
public CorsFilter corsFilter() {
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
source.registerCorsConfiguration("/**", buildConfig()); // 4
return new CorsFilter(source);
}}