可以在评论区交流!!!
前端:
html代码:
<form enctype="multipart/form-data" id="batchUpload" class="form-horizontal">
<button class="btn btn-success btn-xs" id="uploadEventBtn" style="height:26px;float: left;margin-left:30px;margin-top: 20px" type="button" >选择文件</button>
<input type="file" name="file" style="width:0px;height:0px;float:left;" id="uploadEventFile">
<input id="uploadEventPath" disabled="disabled" type="text" placeholder="请选择excel表" style="border: 1px solid #e6e6e6; height: 26px;width: 200px;margin-top:20px;" />
</form>
<button type="button" class="btn btn-success btn-sm" id="uploadBtn" style="margin-left: 220px;margin-top: 10px;">上传</button>
</div>
<button type="button" class="layui-btn" id="excelImport"><i class="layui-icon"></i>导入</button>
<button type="button" class="layui-btn" id="excelExport"><i class="layui-icon"></i>导出</button>
JS代码:
/**
* 导入
*/
var excelImport = document.getElementById("excelImport");
excelImport.onclick = function() {
layer.open({
type: 1,
content: $('#choose'), //这里content是一个DOM，注意：最好该元素要存放在body最外层，否则可能被其它的相对元素所影响
});
}
var User = function() {
this.init = function() {
//模拟上传excel
$("#uploadEventBtn").unbind("click").bind("click", function() {
$("#uploadEventFile").click();
});
$("#uploadEventFile").bind("change", function() {
$("#uploadEventPath").attr("value", $("#uploadEventFile").val());
});
};
//点击上传钮
var uploadBtn = document.getElementById("uploadBtn");
uploadBtn.onclick = function() {
var uploadEventFile = $("#uploadEventFile").val();
if (uploadEventFile == '') {
alert("请择excel,再上传");
} else if (uploadEventFile.lastIndexOf(".xls") < 0) {//可判断以.xls和.xlsx结尾的excel
alert("只能上传Excel文件");
} else {
var url = "/phySsPersonInfo/import";
var formData = new FormData($('form')[0]);
user.sendAjaxRequest(url, "POST", formData);
}
};
this.sendAjaxRequest = function(url, type, data) {
$.ajax({
url : url,
type : type,
data : data,
dataType : "json",
success : function(result) {
if (result.count != null ) {
alert("成功导入"+result.count+"条数据! \n共耗时"+
result.time+"毫秒!");
layer.closeAll();
$('#SsPersonInfoTable').bootstrapTable('refresh');
}else {
alert("导入失败!");
layer.closeAll();
$('#SsPersonInfoTable').bootstrapTable('refresh');
}
},
error : function() {
alert("导入出错!!!");
layer.closeAll();
$('#SsPersonInfoTable').bootstrapTable('refresh');
},
cache : false,
contentType : false,
processData : false
});
};
};
var user;
$(function() {
user = new User();
user.init();
});
/**
*导出
*/
var exportBtn = document.getElementById("excelExport");
exportBtn.onclick = function() {
if (confirm("确定导出?")) {
$.ajax({
url : "/phySsPersonInfo/exportVillageFile",
type : "post",
data:{},
dataType :"json",
async: false,
success : function(result) {
alert(result.message);
},
error : function(result) {
alert("导出成功,请稍等---");
},
cache : false,
contentType : false,
processData : false
});
}
}
后端代码:
Controller层:
/**
* 导入excl
*/
//导入excel
@RequestMapping(value = "/import", method=RequestMethod.POST)
@ResponseBody
public Map<String, Object> importExcel(@RequestParam("file") MultipartFile file){
Map<String, Object> map = new HashMap<String, Object>();
Integer[] resultMap = ssPersonInfoService.readExcelFile(file);
map.put("count",resultMap[0]); //导入数据条数
map.put("time",resultMap[1]); //导入所耗时间
return map;
}
/**
* 按村为单位导出excel
*/
@RequestMapping("/exportVillageFile")
@ResponseBody
public Map<String, Object> exportVillageFile(HttpServletResponse response,HttpServletRequest request) {
String result = "";
try{
result = ssPersonInfoService.VillageFile(response,request);
}catch(Exception e){
e.printStackTrace();
}
Map<String, Object> map = new HashMap<String, Object>();
map.put("message", result);
return map;
}
Service接口:
/**
* 插入数据
* */
Integer[] insertall(SsPersonInfo ssPersonInfo);
/**
* 获取所有的镇
*/
List<Map<String,Object>> getAllTown();
/**
* 根据镇获取所有的村
*/
List<Map<String,Object>> getAllVillage(Map<String,Object> map);
/**
* 以村为单位获取人员信息
*/
List<SsPersonInfo> getPayableInfoByTown(Map<String,Object> map);
Service实现类:
@Service
public class SsPersonInfoServiceImpl extends ServiceImpl<SsPersonInfoMapper, SsPersonInfo> implements ISsPersonInfoService {
@Autowired
SsPersonInfoMapper ssPersonInfoMapper;
@Autowired
ExcelSaxReader excelSaxReader;
@Override
public Integer[] readExcelFile(@RequestParam("file") MultipartFile file){
//用于存放导入的结果信息
Integer[] resultMap = {0,0};
InputStream inputStream=null;
try{
//新增的数据条数
int count = 0;
//新增的多个map
List<SsPersonInfo> personInfos = new ArrayList<>();
long startTime = System.currentTimeMillis();
//转换为输入流
inputStream = file.getInputStream();
ExcelSaxReader reader = excelSaxReader.parse(inputStream);
List<String[]> datas = reader.getDatas();
for(String[] str : datas){
SsPersonInfo personInfo = new SsPersonInfo();
personInfo.setIdentityCard(str[1]);
personInfo.setName(str[2]);
personInfo.setNativePlace(str[17]);
/**
* 根据籍贯截取出镇
*/
int index = str[17].indexOf(" ");
int lastIndexOf = str[17].lastIndexOf(" ");
String town = str[17].substring(index, lastIndexOf);
personInfo.setTown(town);
/**
* 根据籍贯截取出村
*/
String village = str[17].substring(lastIndexOf);
personInfo.setVillage(village);
personInfos.add(personInfo);
}
long endTime = System.currentTimeMillis();
//读取Excel耗时 =============45s左右
long time = endTime-startTime;
long startTime2 = System.currentTimeMillis();
resultMap[0] = ssPersonInfoMapper.batchInsertAll(personInfos);
long endTime2 = System.currentTimeMillis();
//执行插入耗时 =============57s左右
long time2 = endTime2-startTime2;
long allTime = time+time2;
resultMap[1] = (int)allTime;
}catch (Exception e){
e.printStackTrace();
}finally {
if (inputStream!=null) {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return resultMap;
}
/**
* 获取所有的乡镇/街道
* @return 所有的乡镇/街道
*/
@Override
public List<Map<String, Object>> getAllTown() {
return ssPersonInfoMapper.getAllTown();
}
/**
* 根据乡镇获取所辖的村/社区
* @param map 乡镇
* @return 本镇所有的村
*/
@Override
public List<Map<String, Object>> getAllVillage(Map<String, Object> map) {
return ssPersonInfoMapper.getAllVillage(map);
}
/**
* 用于导出以村为单位的数据
* @param response 用于输出文件
*/
@Override
public String VillageFile(HttpServletResponse response, HttpServletRequest request) {
String result = "";
List<Map<String, Object>> allTowns = ssPersonInfoMapper.getAllTown();
if (allTowns.size()!=0){
result = "导出成功";
}
// String dirPath = request.getSession().getServletContext().getRealPath("/static/download/");
String dirPath = "D:\\study\\";
long startTime = System.currentTimeMillis();
for (Map<String, Object> town : allTowns){
//获取乡镇名称
String Town = (String) town.get("Town");
//获取乡镇下辖的村
List<Map<String, Object>> allVillages = ssPersonInfoMapper.getAllVillage(town);
new Thread(){
@Override
public void run() {
for (Map<String, Object> village : allVillages){
Map<String,Object> param = new HashMap<>(5);
String Village = (String) village.get("Village");
param.put("Town",Town);
param.put("Village",Village);
//填入Excel表格中的数据
List<SsPersonInfo> ssPersonInfos = ssPersonInfoMapper.getPayableInfoByVillage(param);
String fileName = Village+"村（社区）社保人员清单.xls";
String path = dirPath+Town+"\\"+Village+"\\";
File targetFile = new File(path);
if(!targetFile.exists()){//如果文件夹不存在
targetFile.mkdirs();
}
response.setContentType("octets/stream");
try {
FileOutputStream fos = new FileOutputStream(new File(path+fileName));
ByteArrayOutputStream os = new ByteArrayOutputStream();
response.addHeader("Content-Disposition",
"attachment;filename=" + new String(fileName.getBytes("GB2312"), "ISO8859-1"));
HSSFWorkbook wb = new HSSFWorkbook();
String sheetName=Village+"村（社区）社保人员清单";
HSSFSheet sheet = wb.createSheet(sheetName);
/* 设置打印格式 */
HSSFPrintSetup hps = sheet.getPrintSetup();
hps.setPaperSize(HSSFPrintSetup.A4_PAPERSIZE);
hps.setLandscape(true);
hps.setFitHeight((short) 1);
hps.setFitWidth((short) 1);
hps.setScale((short) 65);
hps.setFooterMargin(0);
hps.setHeaderMargin(0);
sheet.setMargin(HSSFSheet.TopMargin, 0.3);
sheet.setMargin(HSSFSheet.BottomMargin, 0);
sheet.setMargin(HSSFSheet.LeftMargin, 0.3);
sheet.setMargin(HSSFSheet.RightMargin, 0);
//创建第一行
HSSFRow row = sheet.createRow((short) 0);
HSSFCell cell ;
row.setHeightInPoints(40);
HSSFFont font = wb.createFont();
font.setFontName("宋体");
//粗体显示
font.setBold(true);
font.setFontHeightInPoints((short) 16);
cell = row.createCell(0);
cell.setCellValue("身份证");
cell = row.createCell(1);
cell.setCellValue("姓名");
cell = row.createCell(2);
cell.setCellValue("籍贯");
cell = row.createCell(3);
cell.setCellValue("镇");
cell = row.createCell(4);
cell.setCellValue("村");
sheet.setColumnWidth(0, 4096);
sheet.setColumnWidth(1, 4096);
sheet.setColumnWidth(2, 4096);
sheet.setColumnWidth(3, 4096);
sheet.setColumnWidth(4, 4096);
//设置列值-内容
for (int i = 0; i < ssPersonInfos.size(); i++) {
row = sheet.createRow(i + 1);
row.setHeightInPoints(20);
SsPersonInfo ssPersonInfo = ssPersonInfos.get(i);
cell = row.createCell(0);
cell.setCellValue(ssPersonInfo.getIdentityCard());
cell = row.createCell(1);
cell.setCellValue(ssPersonInfo.getName());
cell = row.createCell(2);
cell.setCellValue(ssPersonInfo.getNativePlace());
cell = row.createCell(3);
cell.setCellValue(ssPersonInfo.getTown());
cell = row.createCell(4);
cell.setCellValue(ssPersonInfo.getVillage());
}
wb.write(os);
InputStream excelStream = new ByteArrayInputStream(os.toByteArray());
//写入目标文件
byte[] buffer = new byte[1024*1024];
int byteRead = 0;
while((byteRead= excelStream.read(buffer))!=-1){
fos.write(buffer, 0, byteRead);
fos.flush();
}
fos.close();
excelStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}.start();
}
long endTime = System.currentTimeMillis();
//导出总耗时
long time = endTime-startTime;
return result;
}
}
Mapper接口:
@Mapper
public interface SsPersonInfoMapper extends BaseMapper<SsPersonInfo> {
/**
* 插入数据
* */
Integer insertAll(SsPersonInfo ssPersonInfo);
/**
* 批量插入
*/
Integer batchInsertAll(List<SsPersonInfo> list);
/**
* 获取所有的镇
*/
List<Map<String,Object>> getAllTown();
/**
* 根据镇获取所有的村
*/
List<Map<String,Object>> getAllVillage(Map<String,Object> map);
/**
* 以村为单位获取人员信息
*/
List<SsPersonInfo> getPayableInfoByVillage(Map<String,Object> map);
}
Mapper.xml:
<insert id="insertAll">
insert into ss_person_info_phy(identity_card,name,native_place,town,village) values (#{identityCard},#{name},#{nativePlace},#{town},#{village})
</insert>
<!--批量插入-->
<insert id="batchInsertAll" parameterType="java.util.List">
INSERT INTO ss_person_info_phy(identity_card,name,native_place,town,village)
VALUES
<foreach collection="list" item="item" index="index" separator=",">
(#{item.identityCard,jdbcType=VARCHAR},#{item.name,jdbcType=VARCHAR},
#{item.nativePlace,jdbcType=VARCHAR},#{item.town,jdbcType=VARCHAR},#{item.village,jdbcType=VARCHAR})
</foreach>
</insert>
<!--获取所有镇-->
<select id="getAllTown" resultType="map">
SELECT DISTINCT town Town FROM ss_person_info
</select>
<!--根据镇获取所有的村-->
<select id="getAllVillage" resultType="map" parameterType="map">
SELECT DISTINCT village Village FROM ss_person_info WHERE town=#{Town}
</select>
<!--根据镇和村获取一个村的人员信息-->
<select id="getPayableInfoByVillage" parameterType="map" resultMap="BaseResultMap">
select
identity_card,name,native_place,town,village
from ss_person_info
WHERE
town=#{Town}
and village=#{Village}
</select>
实体类:
@TableName("ss_person_info")
public class SsPersonInfo extends Model<SsPersonInfo> {
private static final long serialVersionUID = 1L;
/**
* 身份证
*/
@TableField("identity_card")
private String identityCard;
/**
* 姓名
*/
@TableField("name")
private String name;
/**
* 籍贯
*/
@TableField("native_place")
private String nativePlace;
/**
* 镇
*/
@TableField("town")
private String town;
/**
* 村
*/
@TableField("village")
private String village;
public String getIdentityCard() {
return identityCard;
}
public void setIdentityCard(String identityCard) {
this.identityCard = identityCard;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getNativePlace() {
return nativePlace;
}
public void setNativePlace(String nativePlace) {
this.nativePlace = nativePlace;
}
public String getTown() {
return town;
}
public void setTown(String town) {
this.town = town;
}
public String getVillage() {
return village;
}
public void setVillage(String village) {
this.village = village;
}
@Override
protected Serializable pkVal() {
return this.serialVersionUID;
}
@Override
public String toString() {
return "SsPersonInfo{" +
"identityCard=" + identityCard +
", name=" + name +
", nativePlace=" + nativePlace +
", town=" + town +
", village=" + village +
"}";
}
}
PS.根据实体类改动service层和自定义类的内容
自定义读取Excel类:
package com.jxdinfo.hussar.util;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xssf.eventusermodel.ReadOnlySharedStringsTable;
import org.apache.poi.xssf.eventusermodel.XSSFReader;
import org.apache.poi.xssf.eventusermodel.XSSFSheetXMLHandler;
import org.apache.poi.xssf.eventusermodel.XSSFSheetXMLHandler.SheetContentsHandler;
import org.apache.poi.xssf.model.StylesTable;
import org.apache.poi.xssf.usermodel.XSSFComment;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
/**
* @author wenqingkuan
* @date 2019-10-10 14:15
*/
@Component
public class ExcelSaxReader {
private static final Logger logger = LoggerFactory.getLogger(ExcelSaxReader.class);
/**
* 表格默认处理器
*/
private ISheetContentHandler contentHandler = new DefaultSheetHandler();
/**
* 读取数据
*/
private List<String[]> datas = new ArrayList<String[]>();
/**
* 转换表格,默认为转换第一个表格
* @param stream
* @return
* @throws InvalidFormatException
* @throws IOException
* @throws ParseException
*/
public ExcelSaxReader parse(InputStream stream)
throws InvalidFormatException, IOException, ParseException {
return parse(stream, 1);
}
/**
*
* @param stream
* @param sheetId:为要遍历的sheet索引，从1开始
* @return
* @throws InvalidFormatException
* @throws IOException
* @throws ParseException
*/
public synchronized ExcelSaxReader parse(InputStream stream, int sheetId)
throws InvalidFormatException, IOException, ParseException {
// 每次转换前都清空数据
datas.clear();
// 打开表格文件输入流
OPCPackage pkg = OPCPackage.open(stream);
try {
// 创建表阅读器
XSSFReader reader;
try {
reader = new XSSFReader(pkg);
} catch (OpenXML4JException e) {
logger.error("读取表格出错");
throw new ParseException(e.fillInStackTrace());
}
// 转换指定单元表
InputStream shellStream = reader.getSheet("rId" + sheetId);
try {
InputSource sheetSource = new InputSource(shellStream);
StylesTable styles = reader.getStylesTable();
ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(pkg);
getContentHandler().init(datas);// 设置读取出的数据
// 获取转换器
XMLReader parser = getSheetParser(styles, strings);
parser.parse(sheetSource);
} catch (SAXException e) {
logger.error("读取表格出错");
throw new ParseException(e.fillInStackTrace());
} finally {
shellStream.close();
}
} finally {
pkg.close();
}
return this;
}
/**
* 获取表格读取数据,获取数据前，需要先转换数据<br>
* 此方法不会获取第一行数据
*
* @return 表格读取数据
*/
public List<String[]> getDatas() {
return getDatas(true);
}
/**
* 获取表格读取数据,获取数据前，需要先转换数据
*
* @param dropFirstRow
* 删除第一行表头记录
* @return 表格读取数据
*/
public List<String[]> getDatas(boolean dropFirstRow) {
if (dropFirstRow && datas.size() > 0) {
datas.remove(0);// 删除表头
}
return datas;
}
/**
* 获取读取表格的转换器
*
* @return 读取表格的转换器
* @throws SAXException
* SAX错误
*/
protected XMLReader getSheetParser(StylesTable styles, ReadOnlySharedStringsTable strings) throws SAXException {
XMLReader parser = XMLReaderFactory.createXMLReader();
parser.setContentHandler(new XSSFSheetXMLHandler(styles, strings, getContentHandler(), false));
return parser;
}
public ISheetContentHandler getContentHandler() {
return contentHandler;
}
public void setContentHandler(ISheetContentHandler contentHandler) {
this.contentHandler = contentHandler;
}
/**
* 表格转换错误
*/
public class ParseException extends Exception {
private static final long serialVersionUID = -2451526411018517607L;
public ParseException(Throwable t) {
super("表格转换错误", t);
}
}
public interface ISheetContentHandler extends SheetContentsHandler {
/**
* 设置转换后的数据集，用于存放转换结果
*
* @param datas
* 转换结果
*/
void init(List<String[]> datas);
}
/**
* 默认表格解析handder
*/
class DefaultSheetHandler implements ISheetContentHandler {
/**
* 读取数据
*/
private List<String[]> datas;
private int columsLength;
// 读取行信息
private String[] readRow;
private ArrayList<String> fristRow = new ArrayList<String>();
@Override
public void init(List<String[]> datas) {
this.datas = datas;
// this.columsLength = columsLength;
}
@Override
public void startRow(int rowNum) {
if (rowNum != 0) {
readRow = new String[columsLength];
}
}
@Override
public void endRow(int rowNum) {
//将Excel第一行表头的列数当做数组的长度，要保证后续的行的列数不能超过这个长度，这是个约定。
if (rowNum == 0) {
columsLength = fristRow.size();
readRow = fristRow.toArray(new String[fristRow.size()]);
}else {
readRow = fristRow.toArray(new String[columsLength]);
}
datas.add(readRow.clone());
readRow = null;
fristRow.clear();
}
@Override
public void cell(String cellReference, String formattedValue, XSSFComment comment) {
int index = getCellIndex(cellReference);//转换A1,B1,C1等表格位置为真实索引位置
try {
fristRow.set(index, formattedValue);
} catch (IndexOutOfBoundsException e) {
int size = fristRow.size();
for (int i = index - size+1;i>0;i--){
fristRow.add(null);
}
fristRow.set(index,formattedValue);
}
}
@Override
public void headerFooter(String text, boolean isHeader, String tagName) {
}
/**
* 转换表格引用为列编号
*
* @param cellReference
* 列引用
* @return 表格列位置，从0开始算
*/
public int getCellIndex(String cellReference) {
String ref = cellReference.replaceAll("\\d+", "");
int num = 0;
int result = 0;
for (int i = 0; i < ref.length(); i++) {
char ch = cellReference.charAt(ref.length() - i - 1);
num = (int) (ch - 'A' + 1);
num *= Math.pow(26, i);
result += num;
}
return result - 1;
}
}
}
最终效果:
导入:
导出:
** 按照镇,村结构导出!!! **
总结
如果不需要大数据的传输,可以不用这么麻烦,简单的导入导出参考这个就够了
Excel的导入导出