WebMvcConfiguration.java
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package org.jeecg.config;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
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.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
/**
* Spring Boot 2.0 解决跨域问题
*
* @Author qinfeng
*
*/
@Configuration
public class WebMvcConfiguration implements WebMvcConfigurer {
@Value("${jeecg.path.upload}")
private String upLoadPath;
@Value("${jeecg.path.webapp}")
private String webAppPath;
@Value("${spring.resource.static-locations}")
private String staticLocations;
/**
* 静态资源的配置 - 使得可以从磁盘中读取 Html、图片、视频、音频等
*/
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/**")
.addResourceLocations("file:" + upLoadPath + "//", "file:" + webAppPath + "//")
.addResourceLocations(staticLocations.split(","));
}
/**
* 方案一： 默认访问根路径跳转 doc.html页面 （swagger文档页面）
* 方案二： 访问根路径改成跳转 index.html页面 （简化部署方案： 可以把前端打包直接放到项目的 webapp，上面的配置）
*/
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/").setViewName("doc.html");
}
@Bean
@Conditional(CorsFilterCondition.class)
public CorsFilter corsFilter() {
final UrlBasedCorsConfigurationSource urlBasedCorsConfigurationSource = new UrlBasedCorsConfigurationSource();
final CorsConfiguration corsConfiguration = new CorsConfiguration();
//是否允许请求带有验证信息
corsConfiguration.setAllowCredentials(true);
// 允许访问的客户端域名
corsConfiguration.addAllowedOrigin("*");
// 允许服务端访问的客户端请求头
corsConfiguration.addAllowedHeader("*");
// 允许访问的方法名,GET POST等
corsConfiguration.addAllowedMethod("*");
urlBasedCorsConfigurationSource.registerCorsConfiguration("/**", corsConfiguration);
return new CorsFilter(urlBasedCorsConfigurationSource);
}
}