54 lines
1.9 KiB
Java
54 lines
1.9 KiB
Java
/**
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* Copyright (c) 2016-2019 人人开源 All rights reserved.
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*
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* https://www.renren.io
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*
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* 版权所有，侵权必究！
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*/
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package com.peanut.modules.app.resolver;
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import com.peanut.modules.app.annotation.LoginUser;
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import com.peanut.modules.app.interceptor.AuthorizationInterceptor;
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import com.peanut.modules.common.entity.MyUserEntity;
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import com.peanut.modules.book.service.MyUserService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.core.MethodParameter;
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import org.springframework.stereotype.Component;
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import org.springframework.web.bind.support.WebDataBinderFactory;
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import org.springframework.web.context.request.NativeWebRequest;
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import org.springframework.web.context.request.RequestAttributes;
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import org.springframework.web.method.support.HandlerMethodArgumentResolver;
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import org.springframework.web.method.support.ModelAndViewContainer;
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/**
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* 有@LoginUser注解的方法参数，注入当前登录用户
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*
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* @author Mark sunlightcs@gmail.com
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*/
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@Component
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public class LoginUserHandlerMethodArgumentResolver implements HandlerMethodArgumentResolver {
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@Autowired
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private MyUserService userService;
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@Override
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public boolean supportsParameter(MethodParameter parameter) {
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return parameter.getParameterType().isAssignableFrom(MyUserEntity.class) && parameter.hasParameterAnnotation(LoginUser.class);
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}
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@Override
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public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer container,
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NativeWebRequest request, WebDataBinderFactory factory) throws Exception {
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//获取用户ID
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Object object = request.getAttribute(AuthorizationInterceptor.USER_KEY, RequestAttributes.SCOPE_REQUEST);
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if(object == null){
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return null;
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}
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//获取用户信息
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MyUserEntity user = userService.getById((Long)object);
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return user;
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}
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}
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