流程类型tree接口

zhanghua

2024-11-26 c05d148bb0942e7424f8f72d377cc366a33a9e01

流程类型tree接口

 business/src/main/java/com/ycl/controller/FlowableTypeController.java

@@ -75,5 +75,9 @@
        List<FlowableType> list = flowableTypeService.selectTypeList(flowableType);
        return Result.ok().data(list);
    }

    @GetMapping("/tree_select")
    public AjaxResult treeSelect(FlowableType flowableType) {
        List<FlowableType> list = flowableTypeService.selectTypeList(flowableType);
        return success(flowableTypeService.buildTreeSelect(list));
    }
}

 business/src/main/java/com/ycl/domain/entity/FlowableType.java

@@ -3,12 +3,15 @@
import com.baomidou.mybatisplus.annotation.*;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.ycl.common.core.domain.BaseEntity;
import com.ycl.common.core.domain.entity.SysMenu;
import com.ycl.system.domain.base.AbsEntity;
import lombok.Data;

import java.io.Serializable;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * 流程分类
@@ -63,4 +66,7 @@
    /** 备注 */
    @TableField(value = "remark")
    private String remark;

    @TableField(exist = false)
    private List<FlowableType> children = new ArrayList<FlowableType>();
}

 business/src/main/java/com/ycl/service/FlowableTypeService.java

@@ -10,4 +10,6 @@


    List<FlowableType> selectTypeList(FlowableType flowableType);

    List<FlowableType> buildTreeSelect(List<FlowableType> list);
}

 business/src/main/java/com/ycl/service/impl/FlowableTypeServiceImpl.java

@@ -1,17 +1,14 @@
package com.ycl.service.impl;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.common.base.Result;
import com.ycl.domain.entity.FlowableType;
import com.ycl.framework.utils.PageUtil;
import com.ycl.mapper.FlowableTypeMapper;
import com.ycl.service.FlowableTypeService;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;

@@ -24,4 +21,66 @@
    public List<FlowableType> selectTypeList(FlowableType flowableType) {
        return baseMapper.selectTypeList(flowableType);
    }

    @Override
    public List<FlowableType> buildTreeSelect(List<FlowableType> list) {
        List<FlowableType> returnList = new ArrayList<FlowableType>();
        List<Integer> tempList = list.stream().map(FlowableType::getId).collect(Collectors.toList());
        for (Iterator<FlowableType> iterator = list.iterator(); iterator.hasNext();)
        {
            FlowableType type = (FlowableType) iterator.next();
            // 如果是顶级节点, 遍历该父节点的所有子节点
            if (!tempList.contains(type.getParentId()))
            {
                recursionFn(list, type);
                returnList.add(type);
            }
        }
        if (returnList.isEmpty())
        {
            returnList = list;
        }
        return returnList;
    }

    private void recursionFn(List<FlowableType> list, FlowableType t)
    {
        // 得到子节点列表
        List<FlowableType> childList = getChildList(list, t);
        t.setChildren(childList);
        for (FlowableType tChild : childList)
        {
            if (hasChild(list, tChild))
            {
                recursionFn(list, tChild);
            }
        }
    }

    /**
     * 得到子节点列表
     */
    private List<FlowableType> getChildList(List<FlowableType> list, FlowableType t)
    {
        List<FlowableType> tlist = new ArrayList<FlowableType>();
        Iterator<FlowableType> it = list.iterator();
        while (it.hasNext())
        {
            FlowableType n = (FlowableType) it.next();
            if (n.getParentId().longValue() == t.getId().longValue())
            {
                tlist.add(n);
            }
        }
        return tlist;
    }

    /**
     * 判断是否有子节点
     */
    private boolean hasChild(List<FlowableType> list, FlowableType t)
    {
        return getChildList(list, t).size() > 0;
    }

}