forked from wangjiadong/comp
hechao.zhu
1 year ago
parent
303f10c000
commit
0ce0bab975
11 changed files with 776 additions and 116 deletions
@ -1,19 +1,204 @@ |
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package org.jeecg.modules.demo.cms.service.impl; |
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; |
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; |
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper; |
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import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import org.jeecg.common.constant.SymbolConstant; |
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import org.jeecg.common.exception.JeecgBootException; |
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import org.jeecg.common.system.vo.SelectTreeModel; |
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import org.jeecg.common.util.oConvertUtils; |
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import org.jeecg.modules.demo.cms.entity.CmsColumn; |
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import org.jeecg.modules.demo.cms.mapper.CmsColumnMapper; |
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import org.jeecg.modules.demo.cms.service.ICmsColumnService; |
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import org.springframework.stereotype.Service; |
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import org.springframework.transaction.annotation.Transactional; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.List; |
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/** |
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* @Description: cms栏目 |
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* @Author: jeecg-boot |
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* @Date: 2023-10-11 |
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* @Date: 2023-10-11 |
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* @Version: V1.0 |
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*/ |
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@Service |
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public class CmsColumnServiceImpl extends ServiceImpl<CmsColumnMapper, CmsColumn> implements ICmsColumnService { |
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@Override |
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public List<CmsColumn> queryTreeListNoPage(QueryWrapper<CmsColumn> queryWrapper) { |
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List<CmsColumn> dataList = baseMapper.selectList(queryWrapper); |
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List<CmsColumn> mapList = new ArrayList<>(); |
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for (CmsColumn data : dataList) { |
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String pidVal = data.getPid(); |
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//递归查询子节点的根节点
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if (pidVal != null && !ICmsColumnService.NOCHILD.equals(pidVal)) { |
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CmsColumn rootVal = this.getTreeRoot(pidVal); |
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if (rootVal != null && !mapList.contains(rootVal)) { |
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mapList.add(rootVal); |
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} |
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} else { |
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if (!mapList.contains(data)) { |
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mapList.add(data); |
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} |
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} |
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} |
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return mapList; |
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} |
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@Override |
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public List<SelectTreeModel> queryListByCode(String parentCode) { |
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String pid = ROOT_PID_VALUE; |
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if (oConvertUtils.isNotEmpty(parentCode)) { |
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LambdaQueryWrapper<CmsColumn> queryWrapper = new LambdaQueryWrapper<>(); |
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queryWrapper.eq(CmsColumn::getPid, parentCode); |
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List<CmsColumn> list = baseMapper.selectList(queryWrapper); |
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if (list == null || list.size() == 0) { |
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throw new JeecgBootException("该编码【" + parentCode + "】不存在，请核实!"); |
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} |
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if (list.size() > 1) { |
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throw new JeecgBootException("该编码【" + parentCode + "】存在多个，请核实!"); |
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} |
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pid = list.get(0).getId(); |
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} |
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return baseMapper.queryListByPid(pid, null); |
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} |
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@Override |
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public List<SelectTreeModel> queryListByPid(String pid) { |
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if (oConvertUtils.isEmpty(pid)) { |
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pid = ROOT_PID_VALUE; |
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} |
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return baseMapper.queryListByPid(pid, null); |
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} |
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@Override |
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@Transactional(rollbackFor = Exception.class) |
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public void delete(String ids) { |
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String allIds = this.queryTreeChildIds(ids); |
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String pids = this.queryTreePids(ids); |
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//1.删除时将节点下所有子节点一并删除
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this.baseMapper.deleteBatchIds(Arrays.asList(allIds.split(","))); |
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//2.将父节点中已经没有下级的节点，修改为没有子节点
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if (oConvertUtils.isNotEmpty(pids)) { |
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LambdaUpdateWrapper<CmsColumn> updateWrapper = new UpdateWrapper<CmsColumn>() |
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.lambda() |
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.in(CmsColumn::getId, Arrays.asList(pids.split(","))) |
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.set(CmsColumn::getHasChild, "0"); |
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this.update(updateWrapper); |
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} |
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} |
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/** |
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* 查询需修改标识的父节点ids |
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* |
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* @param ids |
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* @return |
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*/ |
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private String queryTreePids(String ids) { |
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StringBuffer sb = new StringBuffer(); |
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//获取id数组
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String[] idArr = ids.split(","); |
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for (String id : idArr) { |
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if (id != null) { |
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CmsColumn category = this.baseMapper.selectById(id); |
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//根据id查询pid值
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String metaPid = category.getPid(); |
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//查询此节点上一级是否还有其他子节点
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LambdaQueryWrapper<CmsColumn> queryWrapper = new LambdaQueryWrapper<>(); |
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queryWrapper.eq(CmsColumn::getPid, metaPid); |
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queryWrapper.notIn(CmsColumn::getId, Arrays.asList(idArr)); |
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List<CmsColumn> dataList = this.baseMapper.selectList(queryWrapper); |
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boolean flag = (dataList == null || dataList.size() == 0) && !Arrays.asList(idArr).contains(metaPid) |
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&& !sb.toString().contains(metaPid); |
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if (flag) { |
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//如果当前节点原本有子节点 现在木有了，更新状态
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sb.append(metaPid).append(","); |
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} |
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} |
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} |
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if (sb.toString().endsWith(SymbolConstant.COMMA)) { |
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sb = sb.deleteCharAt(sb.length() - 1); |
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} |
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return sb.toString(); |
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} |
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/** |
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* 根据所传pid查询旧的父级节点的子节点并修改相应状态值 |
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* |
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* @param pid |
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*/ |
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private void updateOldParentNode(String pid) { |
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if (!ICmsColumnService.ROOT_PID_VALUE.equals(pid)) { |
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Long count = baseMapper.selectCount(new QueryWrapper<CmsColumn>().eq("pid", pid)); |
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if (count == null || count <= 1) { |
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// baseMapper.updateTreeNodeStatus(pid, ICmsColumnService.NOCHILD);
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this.lambdaUpdate().set(CmsColumn::getPid, ICmsColumnService.NOCHILD) |
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.eq(CmsColumn::getPid, pid).update(); |
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} |
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} |
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} |
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/** |
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* 递归查询节点的根节点 |
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* |
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* @param pidVal |
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* @return |
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*/ |
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private CmsColumn getTreeRoot(String pidVal) { |
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CmsColumn data = baseMapper.selectById(pidVal); |
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if (data != null && !ICmsColumnService.ROOT_PID_VALUE.equals(data.getPid())) { |
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return this.getTreeRoot(data.getPid()); |
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} else { |
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return data; |
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} |
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} |
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/** |
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* 根据id查询所有子节点id |
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* |
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* @param ids |
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* @return |
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*/ |
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private String queryTreeChildIds(String ids) { |
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//获取id数组
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String[] idArr = ids.split(","); |
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StringBuffer sb = new StringBuffer(); |
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for (String pidVal : idArr) { |
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if (pidVal != null) { |
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if (!sb.toString().contains(pidVal)) { |
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if (sb.toString().length() > 0) { |
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sb.append(","); |
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} |
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sb.append(pidVal); |
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this.getTreeChildIds(pidVal, sb); |
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} |
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} |
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} |
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return sb.toString(); |
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} |
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/** |
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* 递归查询所有子节点 |
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* |
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* @param pidVal |
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* @param sb |
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* @return |
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*/ |
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private StringBuffer getTreeChildIds(String pidVal, StringBuffer sb) { |
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List<CmsColumn> dataList = baseMapper.selectList(new QueryWrapper<CmsColumn>().eq("pid", pidVal)); |
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if (dataList != null && dataList.size() > 0) { |
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for (CmsColumn tree : dataList) { |
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if (!sb.toString().contains(tree.getId())) { |
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sb.append(",").append(tree.getId()); |
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} |
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this.getTreeChildIds(tree.getId(), sb); |
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} |
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} |
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return sb; |
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} |
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} |
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