(免费分享)基于springboot论坛bbs系统

源码获取：关注文末gongzhonghao，输入010领取下载链接

开发工具IDEA ,数据库mysql5.7

技术：springboot+jpa+shiro+redis+layui

 前台截图：

后台截图：

package com.qxczh.admin.service.impl;
 
import com.qxczh.admin.service.PermissionService;
import com.qxczh.admin.service.RoleService;
import com.qxczh.common.base.BaseServiceImpl;
import com.qxczh.common.dao.AdminUserDao;
import com.qxczh.common.dao.PermissionDao;
import com.qxczh.common.entity.AdminUser;
import com.qxczh.common.entity.Permission;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
 
 
@Service
@Transactional
public class PermissionServiceImpl extends BaseServiceImpl implements PermissionService {
    @Autowired
    private RoleService roleService;
 
    @Autowired
    private AdminUserDao adminUserDao;
 
 
    @Override
    public List loadUserPermission(Integer id) {
        List perlist = new ArrayList<>();
        AdminUser user = adminUserDao.findOne(id);
        if (user.getRoles().size() > 0) {
            user.getRoles().stream()
                    .filter(role -> role.getPermissions().size() > 0)
                    .forEach(role -> {
                        perlist.addAll(role.getPermissions().stream().filter(p -> p.getParentid() > 0).collect(Collectors.toList()));
                    });
        }
        return perlist;
    }
 
    @Override
    public List loadUserPermissionByType(Integer id, Integer type) {
        List perlist = new ArrayList<>();
        AdminUser user = adminUserDao.findOne(id);
        if (user.getRoles().size() > 0) {
            user.getRoles().stream()
                    .filter(role -> role.getPermissions().size() > 0)
                    .forEach(role -> {
                        perlist.addAll(role.getPermissions().stream().filter(p ->p.getParentid() > 0 && p.getType() == type)
                                .sorted(Comparator.comparing(Permission::getSort))
                                .collect(Collectors.toList()));
                    });
        }
 
        return perlist;
    }
 
    @Override
    public List findPermissionsAndSelected(Integer id) {
        Set permissions = roleService.findOne(id).getPermissions();
        List all = repository.findAll();
        for (Permission p: all) {
            if (permissions.contains(p)) p.setChecked("true");
            else p.setChecked("false");
        }
        return all;
    }
 
    @Override
    public Page findByPage(int pageNo, int length) {
        Sort.Order order = new Sort.Order(Sort.Direction.ASC, "sort");
        Sort sort = new Sort(order);
        PageRequest pageRequest = new PageRequest(pageNo, length,sort);
        Page page = repository.findAll(pageRequest);
        return page;
    }
 
}

 

package com.qxczh.admin.service.impl;

import com.qxczh.admin.service.ReplyService;
import com.qxczh.common.base.BaseServiceImpl;
import com.qxczh.common.dao.ReplyDao;
import com.qxczh.common.entity.Posts;
import com.qxczh.common.entity.Reply;
import com.qxczh.common.entity.User;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Service;

import javax.persistence.criteria.*;
import java.util.ArrayList;


@Service
public class ReplyServiceImpl extends BaseServiceImpl implements ReplyService {

    @Override
    public Page findByPage(Reply reply, int pageNo, int length) {
        PageRequest pageable = new PageRequest(pageNo, length);

        Specification specification = new Specification(){

            @Override
            public Predicate toPredicate(Root root, CriteriaQuery criteriaQuery, CriteriaBuilder criteriaBuilder) {
                Path $id = root.get("id");
                Path $content = root.get("content");
                Path $user = root.get("user");

                ArrayList list = new ArrayList<>();
                if (reply.getId()!=null) list.add(criteriaBuilder.equal($id,reply.getId()));
                if (reply.getContent()!=null) list.add(criteriaBuilder.like($content,"%" + reply.getContent() + "%"));
                if (reply.getUser()!=null) list.add(criteriaBuilder.equal($user,reply.getUser()));

                Predicate predicate = criteriaBuilder.and(list.toArray(new Predicate[list.size()]));

                return predicate;
            }
        };
        Page page = repository.findAll(specification, pageable);
        return page;
    }
}