恢复Git删除的代码

wu

2024-06-26 c59cbfa92147058b828f78ed35b15d4ef4a7ef94

 hangzhoumesParent/common/springsecurity/src/main/java/com/mes/common/handler/LoginFailureHandler.java

New file
@@ -0,0 +1,31 @@
package com.mes.common.handler;

import cn.hutool.json.JSONUtil;
import com.mes.utils.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
public class LoginFailureHandler implements AuthenticationFailureHandler {

   @Override
   public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {

      response.setContentType("application/json;charset=UTF-8");
      ServletOutputStream outputStream = response.getOutputStream();

      Result result = Result.error("用户名或密码错误");

      outputStream.write(JSONUtil.toJsonStr(result).getBytes("UTF-8"));

      outputStream.flush();
      outputStream.close();
   }
}