Cors处理 跨域请求
细粒度
直接在controller层上 添加@CrossOrigin注解
@PostMapping("/")
@CrossOrigin(value = "http://localhost:8081", maxAge = 1800, allowedHeaders = "*")
public String addBook(String name) {
System.out.println("receive: " + name);
return "receive: " + name;
}
粗粒度
写一个config类, addMapping 即需要处理的url请求
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class MyWebMvcConfig implements WebMvcConfigurer {
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/book/**")
.allowedHeaders("*")
.allowedMethods("*")
.maxAge(1800)
.allowedOrigins("http://localhost:8008");
}
}