package com.qif.xdqdm.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

 * @date 2019年3月19日16:40:48

 */

@Configuration

public class CorsConfigFilter {

    private CorsConfiguration buildConfig() {

        CorsConfiguration corsConfiguration = new CorsConfiguration();

        //允许任何域名

        corsConfiguration.addAllowedOrigin("*");

        //允许任何头

        corsConfiguration.addAllowedHeader("*");

        //允许任何方法

        corsConfiguration.addAllowedMethod("*");

        return corsConfiguration;

    }

    @Bean

    public CorsFilter corsFilter() {

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        //注册

        source.registerCorsConfiguration("/**", buildConfig());

        return new CorsFilter(source);

    }

}

package com.qif.xdqdm.config;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.web.servlet.config.annotation.CorsRegistry;

import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration

public class MyConfig extends WebMvcConfigurerAdapter {

    //所有的WebMvcConfigurerAdapter组件都会一起起作用

    @Bean //将组件注册在容器  设置初始页面为index

    public WebMvcConfigurerAdapter webMvcConfigurerAdapter() {

        WebMvcConfigurerAdapter adapter = new WebMvcConfigurerAdapter() {

            @Override

            public void addViewControllers(ViewControllerRegistry registry) {

                registry.addViewController("/").setViewName("index");

            }

        };

        return adapter;

    }

    //解决跨域

    @Override

    public void addCorsMappings(CorsRegistry registry) {

        registry.addMapping("/**");

    }

}