SpringBoot解决跨域
将这个类添加到项目中
- ResponseAdvice.java
package com.example.homeLearn.config;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
@ControllerAdvice
public class ResponseAdvice implements ResponseBodyAdvice {
/**
* 内容是否需要重写(通过此方法可以选择性部分控制器和方法进行重写)
* 返回 true 表示重写
*/
@Override
public boolean supports(MethodParameter returnType, Class converterType) {
return true;
}
/**
* 方法返回之前调用此方法
*/
@Override
public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType,
Class selectedConverterType, ServerHttpRequest request,
ServerHttpResponse response) {
// 设置跨域
response.getHeaders().set("Access-Control-Allow-Origin", "*");
return body;
}
}
参考文章
SpringBoot跨域问题8种解决方案~