解决请求跨域问题

CorsConfig配置类

package com.sgcc;

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;

/**
 * 处理ajax跨域请求
 * @author zhangzz
 *
 */

@Configuration
public class CorsConfig {

	private CorsConfiguration buildConfig() {
		CorsConfiguration corsConfiguration = new CorsConfiguration();
		//允许任何域名访问
		corsConfiguration.addAllowedOrigin("*");
		//允许任何header访问
		corsConfiguration.addAllowedHeader("*");
		//允许任何方法访问
		corsConfiguration.addAllowedMethod("*");
		return corsConfiguration;
	}
	
	@Bean
	public CorsFilter corsFilter() {
		UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
		source.registerCorsConfiguration("/**", buildConfig());
		return new CorsFilter(source);
	}
}