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springboot 解决跨域问题工具类
package com.imooc.api.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;
@Configuration
public class CorsConfig {
public CorsConfig() {
}
@Bean
public CorsFilter corsFilter() {
// 1. 添加cors配置信息
CorsConfiguration config = new CorsConfiguration();
config.addAllowedOrigin("*");
// 设置是否发送cookie信息
config.setAllowCredentials(true);
// 设置允许请求的方式
config.addAllowedMethod("*");
// 设置允许的header
config.addAllowedHeader("*");
// 2. 为url添加映射路径
UrlBasedCorsConfigurationSource corsSource = new UrlBasedCorsConfigurationSource();
corsSource.registerCorsConfiguration("/**", config);
// 3. 返回重新定义好的corsSource
return new CorsFilter(corsSource);
}
}
需要被扫描到 @ComponentScan(basePackages = {"com.imooc"})