SSM权限管理系统（完整可运行版）

package com.test.service.impl; import java.io.Serializable; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.test.domain.Permission; import com.test.mapper.PermissionMapper; import com.test.service.PermissionService; import tk.mybatis.mapper.common.Mapper; import tk.mybatis.mapper.entity.Example; @Service public class PermissionServiceImpl extends BaseServiceImpl<Permission> implements PermissionService { @Autowired private PermissionMapper permissionMapper; @Override protected Mapper<Permission> getMapper() { return this.permissionMapper; } @Override public void save(Permission permission) { if (permission.getPid() != null && permission.getPid() != 0) { Permission parent = this.getById(permission.getPid()); permission.setParentName(parent.getName()); } this.getMapper().insert(permission); } @Override public void update(Permission permission) { if (permission.getPid() != null && permission.getPid() != 0) { Permission parent = this.getById(permission.getPid()); permission.setParentName(parent.getName()); } this.getMapper().updateByPrimaryKeySelective(permission); } @Override public Map<String, List<Permission>> getPermissionMapByUserId(Integer userId) { List<Permission> permissionList = this.permissionMapper.getPermissionList(userId); List<Permission> menuList = new ArrayList<>(); Map<Integer, Permission> map = new HashMap<>(); // 筛选目录 for (Permission permission : permissionList) { if (permission.getType() != 3 && permission.getPid() == 0L) { map.put(permission.getId(), permission); menuList.add(permission); } } // 封装菜单 for (Permission permission : permissionList) { if (permission.getType() != 3 && map.get(permission.getPid()) != null) { Permission parent = map.get(permission.getPid()); parent.getChildren().add(permission); } } Map<String,List<Permission>> resultMap = new HashMap<>(2); resultMap.put("menuList", menuList); resultMap.put("permissionList", permissionList); return resultMap; } @Override public PageInfo<Permission> getListByPage(int currentNum, int pageSize, String name) { Example cond = new Example(Permission.class); if (!StringUtils.isEmpty(name)) { try { name = new String(name.getBytes("iso8859-1"),"utf-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } cond.createCriteria().andLike("name",name); } PageHelper.startPage(currentNum, pageSize); List<Permission> list = this.permissionMapper.selectByExample(cond); return new PageInfo<Permission>(list); } @Override public void deleteById(Serializable id) { Permission permission = this.getById(id); if (permission != null) { if (permission.getType() != 3) { int count = this.permissionMapper.getChildrenCount(id); if (count > 0) { throw new RuntimeException("该权限包含子权限，不能删除!如要删除，请将子权限删除再进行操作"); } } this.getMapper().deleteByPrimaryKey(id); } } @Override public List<Permission> getPermissionWithoutButton() { return this.permissionMapper.getPermissionWithoutButton(); } @Override public List<Permission> getPermissionListByRoleId(int roleId) { List<Permission> list = this.permissionMapper.getPermissionListByRoleId(roleId); List<Permission> permissionList = this.getList(); for (Permission permission : permissionList) { for (Permission p : list) { if (permission.getId() == p.getId()) { permission.setChecked(true); } } } return permissionList; } }