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1、第一種：
public class CorsFilter extends OncePerRequestFilter {
static final String ORIGIN = "Origin";
protected void doFilterInternal(
HttpServletRequest request,
HttpServletResponse response,
FilterChain filterChain) throws ServletException, IOException {
String origin = request.getHeader(ORIGIN);
response.setHeader("Access-Control-Allow-Origin", "*");//* or origin as u prefer
response.setHeader("Access-Control-Allow-Credentials", "true");
response.setHeader("Access-Control-Allow-Methods", "PUT, POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "content-type, authorization");
if (request.getMethod().equals("OPTIONS"))
response.setStatus(HttpServletResponse.SC_OK);
else
filterChain.doFilter(request, response);
}
}
@Bean
public CorsFilter corsFilter() throws Exception {
return new CorsFilter();
}
http
.addFilterBefore(corsFilter(), UsernamePasswordAuthenticationFilter.class)
.addFilterBefore(authenticationTokenFilterBean(), UsernamePasswordAuthenticationFilter.class)
.headers()
.cacheControl();
2、第二種：
@Configuration
public class CorsConfig {
@Bean
public FilterRegistrationBean corsFilter() {
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
CorsConfiguration config = new CorsConfiguration();
config.setAllowCredentials(true);
// 設置你要允許的網站域名，如果全允許則設為 *
config.addAllowedOrigin("http://localhost:4200");
// 如果要限制 HEADER 或 METHOD 請自行更改
config.addAllowedHeader("*");
config.addAllowedMethod("*");
source.registerCorsConfiguration("/**", config);
FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
// 這個順序很重要哦，為避免麻煩請設置在最前
bean.setOrder(0);
return bean;
}
}
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持億速云。
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