在Spring Boot中處理跨域請求可以通過以下方式實現:
@RestController
public class MyController {
@CrossOrigin(origins = "http://localhost:8080")
@GetMapping("/example")
public String example() {
return "Hello, World!";
}
}
@Configuration
public class CorsConfig implements WebMvcConfigurer {
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/**")
.allowedOrigins("http://localhost:8080")
.allowedMethods("GET", "POST")
.allowedHeaders("Authorization")
.allowCredentials(true);
}
}
@Component
public class CorsFilter implements Filter {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletResponse res = (HttpServletResponse) response;
res.setHeader("Access-Control-Allow-Origin", "http://localhost:8080");
res.setHeader("Access-Control-Allow-Methods", "GET, POST");
res.setHeader("Access-Control-Allow-Headers", "Authorization");
res.setHeader("Access-Control-Allow-Credentials", "true");
chain.doFilter(request, response);
}
}
以上是在Spring Boot中處理跨域請求的幾種常見方法,根據具體情況選擇合適的方式來實現跨域請求的處理。
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