java过滤器验证app用户token_SpringCloud笔记之Zuul过滤器PreFilter实现token校验(简单样例)...

1、首先准备访问路径，请求传递参数token

http://localhost/v2/customer/version?token=123

2、创建AuthenticationFilter

@Component

public class AuthenticationFilter extends ZuulFilter{

@Override

public String filterType() {

return FilterConstants.PRE_TYPE;

}

@Override

public int filterOrder() {

return PRE_DECORTION_FILTER_ORDER -2;

}

@Override

public boolean shouldFilter() {

return true;

}

@Override

public Object run() throws ZuulException {

// 在run方法中编写具体的业务逻辑

//1. 获取Request对象

RequestContext requestContext=RequestContext.getCurrentContext();

HttpServletRequest request=requestContext.getRequest();

//2. 获取token参数

String token=request.getParamter("token");

//3. 对比token

if(token==null||!"123".equalsIgnoreCase(token)){

//4. token校验失败，直接响应数据

requestContext.setSendZuulResponse(false);

requestContext.setResponseStatusCode(HttpStatus.UNAUTHORIZED.value());

}

return null;

}

}

本文地址：https://blog.youkuaiyun.com/weixin_46897235/article/details/107369457

如您对本文有疑问或者有任何想说的，请点击进行留言回复，万千网友为您解惑！