java,excel实现单元格合并导入
需要导入excel的样子
代码：说明 最多支持5级目录导入
package net.parim.spark.unicom.provider.careercenter.service;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import net.parim.spark.core.system.entity.UserGroup;
import net.parim.spark.core.system.security.UserToken;
import net.parim.spark.core.system.service.UserGroupService;
import net.parim.spark.unicom.provider.careercenter.entity.CareerTeachMaterial;
public class TeachingMaterialImport {
public static final String UPLOADTEACHEXCEL ="TEACHEXCEL";
public Workbook readFile(InputStream inputStream,String fileName){
Workbook wb = null;
Map map = new HashMap<>();
boolean isE2007 = false; //判断是否是excel2007格式
if(fileName.endsWith("xlsx")){
isE2007 = true;
}
try {
InputStream input = inputStream; //建立输入流
//根据文件格式(2003或者2007)来初始化
if(isE2007){
wb = new XSSFWorkbook(input);
}else{
wb = new HSSFWorkbook(input);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return wb;
}
/**
* 校检表头
*/
public Map inspectHead(Sheet sheet){
//所有的单元格信息
List cras = getCombineCell(sheet);
//存储行信息
List> irs = new ArrayList<>();
//表头只有2行
for(int i = 0; i < 2;i++){
Row row = sheet.getRow(i); //获取行
Map map1 = new HashMap();
//存储列信息
List> items = new ArrayList<>();
if(isMergedRegion(sheet,i,0)){
int lastRow = getRowNum(cras,sheet.getRow(i).getCell(0),sheet);
for(;i<=lastRow;i++){
row = sheet.getRow(i);
int cellNum = row.getLastCellNum();//列数
Map map2 = new HashMap();
for(int ce=0;ce map3 = new HashMap();
for(int ce=0;ce> list = (ArrayList)irs.get(0).get("cell");//获取list的个数
int catalogCount=0;
Map save = new HashMap<>();
Map saveGrade = new HashMap<>();
for(int s=0;s> getBody(Sheet sheet){
List> all = new ArrayList<>();
//所有的单元格信息
List cras = getCombineCell(sheet);
//存储行信息
List> irs = new ArrayList<>();
int count = sheet.getLastRowNum()+1;//总行数
//表头只有2行
for(int i = 2; i < count;i++){
Row row = sheet.getRow(i); //获取行
Map map1 = new HashMap();
//存储列信息
List> items = new ArrayList<>();
if(isMergedRegion(sheet,i,0)){
int lastRow = getRowNum(cras,sheet.getRow(i).getCell(0),sheet);
for(;i<=lastRow;i++){
row = sheet.getRow(i);
int cellNum = row.getLastCellNum();//列数
Map map2 = new HashMap();
for(int ce=0;ce map3 = new HashMap();
for(int ce=0;ce> list = (ArrayList)irs.get(a).get("cell");//获取list的个数
if(list.size()>0){
for(int b=0;b
*/
public List getCombineCell(Sheet sheet)
{
List list = new ArrayList();
//获得一个 sheet 中合并单元格的数量
int sheetmergerCount = sheet.getNumMergedRegions();
//遍历所有的合并单元格
for(int i = 0; i= firstRow && row <= lastRow){
if(column >= firstColumn && column <= lastColumn){
return true;
}
}
}
return false;
}
private int getRowNum(List listCombineCell,Cell cell,Sheet sheet){
int xr = 0;
int firstC = 0;
int lastC = 0;
int firstR = 0;
int lastR = 0;
for(CellRangeAddress ca:listCombineCell)
{
//获得合并单元格的起始行, 结束行, 起始列, 结束列
firstC = ca.getFirstColumn();
lastC = ca.getLastColumn();
firstR = ca.getFirstRow();
lastR = ca.getLastRow();
if(cell.getRowIndex() >= firstR && cell.getRowIndex() <= lastR)
{
if(cell.getColumnIndex() >= firstC && cell.getColumnIndex() <= lastC)
{
xr = lastR;
}
}
}
return xr;
}
/**
* 获取单元格的值
* @param cell
* @return
*/
public String getCellValue(Cell cell){
if(cell == null) return "";
if(cell.getCellType() == Cell.CELL_TYPE_STRING){
return cell.getStringCellValue();
}
return "";
}
/**
* 填充数据
* @param list
*/
public List> fillData(List> list){
for(int i=0;i> splitData(Map map,List> list){
List> all = new ArrayList<>();
//获取总共的列数
int colNum = list.get(0).size();
//获取工种之前的列数
Map catalogCount = (HashMap)map.get("saveGrade");
int count = colNum-catalogCount.size();
//1.循环list
for(int i=0;i col = new HashMap<>();
if((!list.get(i).get(j).toString().equals(""))&&j==0){
col.put("parent", 1);
}else{
col.put("parent", list.get(i).get(jj-1).toString());
}
col.put("name", list.get(i).get(j));
for(int a=(colNum-catalogCount.size());a> duplicateRemoval(List> list){
List> result = new ArrayList>();
result.add(list.get(0));
for(int i=0;i> list){
String add = "";
Set set = new LinkedHashSet();
for(int i=0;i> packingIdentity(Map gz,Map map,List> list){
Map iscompulsoory = new HashMap<>();
iscompulsoory.put("熟练掌握", 1);
iscompulsoory.put("掌握", 1);
iscompulsoory.put("熟悉", 0);
iscompulsoory.put("了解", 0);
iscompulsoory.put("不需要", 0);
Map grade = (HashMap)map.get("saveGrade");
for(int i=0;i list1 = new ArrayList<>();
for (String key : list.get(i).keySet()) {
if(grade.containsKey(key)){
if(gz.containsKey(grade.get(key))){
list1.add(Long.valueOf(gz.get(grade.get(key)).toString()));
}
}
}
List list2 = new ArrayList<>();
int f=0;
for (Object key : list.get(i).values()) {
if(iscompulsoory.containsKey(key)){
list2.add(Long.valueOf(iscompulsoory.get(key).toString()));
}
}
list.get(i).put("GZID", list1);//存储工种id
list.get(i).put("GZIS", list2);//是否必修
}
return list;
}
/**
* 将list解析成bean,进行存储信息（教材、工种）
*/
public void analysisList2bean(List> list,CareerTeachManageService categoryService,UserToken userToken,UserGroupService userGroupService,Long userGroupId){
//map 用来存储父类
Map parent = new HashMap<>();
for(int i=0;i gzid = (ArrayList)list.get(i).get("GZID");
List gzis = (ArrayList)list.get(i).get("GZIS");
for(int j=0;j isCom = new HashMap<>();
isCom.put("cace_material_id_com", teach.getId());
isCom.put("career_identiey_id", gzid.get(j));
isCom.put("is_compulsoory", gzis.get(j));
categoryService.insertIdentityIsCompulsory(isCom);
}
}
}
/**
* 检查重复
* @param sheet
* @return
*/
public String checkRepeat(Sheet sheet){
TeachingMaterialImport ti = new TeachingMaterialImport();
//1.获取body内容
List> bodyList = ti.getBody(sheet);
//2.将body中的null就行数据填充
List> fillList = ti.fillData(bodyList);
return ti.getRootCategory(fillList);
}
public void executeAllMethod(Sheet sheet,Map head,Map gz,CareerTeachManageService categoryService,UserToken userToken,UserGroupService userGroupService,Long userGroupId){
TeachingMaterialImport ti = new TeachingMaterialImport();
//1.获取body内容
List> bodyList = ti.getBody(sheet);
//2.将body中的null就行数据填充
List> fillList = ti.fillData(bodyList);
//3.拆分表格中的数据
List> splitList = ti.splitData(head,fillList);
//4.去除重复行
List> duplicateList = ti.duplicateRemoval(splitList);
//5.封装其中包含的工种id及是否必修
List> packingList =ti.packingIdentity(gz,head, duplicateList);
//6.将list封装成bean就行保存
ti.analysisList2bean(packingList,categoryService,userToken,userGroupService,userGroupId);
}
public static void main(String[] args) throws FileNotFoundException {
File file=new File("d://111.xlsx");
InputStream is = new FileInputStream(file);
TeachingMaterialImport ti = new TeachingMaterialImport();
Workbook wb = ti.readFile(is, "111.xlsx");
Sheet sheet = wb.getSheetAt(0);
Map map = ti.inspectHead(sheet);
List> list = ti.getBody(sheet);
List> fillList = ti.fillData(list);
// Set set = ti.getRootCategory(fillList);
List> splitList = ti.splitData(map,fillList);
List> duplicateList = ti.duplicateRemoval(splitList);
// for(int i=0;i> list2 = ti.splitData(map,ti.fillData(list));
// List> list3 =ti.duplicateRemoval(list2);
//List> list4 =ti.packingIdentity(map, list3);
// for(int i=0;i 效果图
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