springboot跨域實現前後端分離
阿新 • • 發佈:2022-04-02
主要有種方式都可以實現
1.
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;import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; /** * 通用配置 * * @author ruoyi */ @Configuration public class ResourcesConfig implements WebMvcConfigurer { /** * 跨域配置 */ @Bean public CorsFilter corsFilter() { CorsConfiguration config = new CorsConfiguration(); config.setAllowCredentials(true); // 設定訪問源地址 config.addAllowedOriginPattern("*"); // 設定訪問源請求頭 config.addAllowedHeader("*"); // 設定訪問源請求方法 config.addAllowedMethod("*"); // 有效期 1800秒 config.setMaxAge(1800L); // 新增對映路徑,攔截一切請求 UrlBasedCorsConfigurationSource source = newUrlBasedCorsConfigurationSource(); source.registerCorsConfiguration("/**", config); // 返回新的CorsFilter return new CorsFilter(source); } }
2.
import org.springframework.stereotype.Component; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.annotation.WebFilter; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @Component @WebFilter(urlPatterns = "/*", filterName = "CorsFilter") public class CorsFilter implements Filter { @Override public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { HttpServletResponse response = (HttpServletResponse) res; HttpServletRequest reqs = (HttpServletRequest) req; String curOrigin = reqs.getHeader("Origin"); response.setHeader("Access-Control-Allow-Origin", "true"); response.setHeader("Access-Control-Allow-Credentials", "true"); response.setHeader("Access-Control-Allow-Methods", "POST, GET, PATCH, DELETE, PUT"); response.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept"); chain.doFilter(req, res); } @Override public void init(FilterConfig filterConfig) { System.out.println("=======================================================chulaile================================================="); } @Override public void destroy() { } }