java spring maven excel 匯入
阿新 • • 發佈：2018-12-07
html
<div>fdafda <form enctype="multipart/form-data" id="batchUpload" action="/visitor/import" method="post" class="form-horizontal"> <button class="btn btn-success btn-xs" id="uploadEventBtn" style="height:26px;" type="button">選擇檔案</button> <input type="file" name="file" style="width:0px;height:0px;" id="uploadEventFile" /> <input id="uploadEventPath" disabled="disabled" type="text" placeholder="請選擇excel表" style="border: 1px solid #e6e6e6; height: 26px;width: 200px;" /> </form> <button type="button" class="btn btn-success btn-sm" onclick="excelImport.uploadBtn()">上傳</button> </div>
js
/** * excel 匯入 */ var ExcelImport = function() { this.init = function() { //模擬上傳excel $("#uploadEventBtn").unbind("click").bind("click", function() { $("#uploadEventFile").click(); }); $("#uploadEventFile").bind("change", function() { $("#uploadEventPath").attr("value", $("#uploadEventFile").val()); }); }; //點選上傳鈕 this.uploadBtn = function() { var uploadEventFile = $("#uploadEventFile").val(); if (uploadEventFile == '') { alert("請擇excel,再上傳"); } else if (uploadEventFile.lastIndexOf(".xls") < 0) {//可判斷以.xls和.xlsx結尾的excel alert("只能上傳Excel檔案"); } else { var url = "/visitor/import"; var formData = new FormData($('form')[0]); excelImport.sendAjaxRequest(url, "POST", formData); } }; this.sendAjaxRequest = function(url, type, data) { $.ajax({ url : url, type : type, data : data, dataType : "json", success : function(result) { alert(result.message); Visitor.table.refresh(); }, error : function(result) { alert(result.message); }, cache : false, contentType : false, processData : false }); }; }; var excelImport; $(function() { excelImport = new ExcelImport(); excelImport.init(); });
controller
package com.stylefeng.guns.modular.server.controller; import com.baomidou.mybatisplus.plugins.Page; import com.stylefeng.guns.core.base.controller.BaseController; import com.stylefeng.guns.core.common.annotion.Permission; import com.stylefeng.guns.core.common.constant.factory.PageFactory; import com.stylefeng.guns.modular.server.model.Park; import com.stylefeng.guns.modular.server.service.IParkService; import com.stylefeng.guns.modular.server.warpper.VisitorWarpper; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.*; import org.springframework.ui.Model; import org.springframework.beans.factory.annotation.Autowired; import com.stylefeng.guns.core.log.LogObjectHolder; import com.stylefeng.guns.modular.server.model.Visitor; import com.stylefeng.guns.modular.server.service.IVisitorService; import org.springframework.web.multipart.MultipartFile; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; /** * 訪客管理控制器 * * @author * @Date 2018-09-27 17:30:18 */ @Controller @RequestMapping("/visitor") public class VisitorController extends BaseController { private String PREFIX = "/server/visitor/"; @Autowired private IVisitorService visitorService; @Autowired private IParkService parkService; /** * 跳轉到列表頁面 */ @Permission @RequestMapping("") public String index() { return PREFIX + "visitor.html"; } /** * 分頁列表 */ @RequestMapping(value = "/list") @ResponseBody public Object list(@RequestParam(required = false) String visitorName) { Page<Map<String, Object>> page = new PageFactory<Map<String, Object>>().defaultPage(); List<Map<String, Object>> result = visitorService.selectVisitorList(page, visitorName, page.getOrderByField(), page.isAsc()); page.setRecords((List<Map<String, Object>>) new VisitorWarpper(result).warp()); return super.packForBT(page); } /** * 跳轉到新增頁面 */ @RequestMapping("/visitor_add") public String visitorAdd(Model model) { List<Park> parkList = parkService.selectList(null); model.addAttribute("park_list",parkList); return PREFIX + "visitor_add.html"; } /** * 新增 */ @Permission @RequestMapping(value = "/add") @ResponseBody public Object add(Visitor visitor) { visitor.setCreatetime(new Date()); visitorService.insert(visitor); return SUCCESS_TIP; } /** * 跳轉到修改頁面 */ @RequestMapping("/visitor_update/{visitorId}") public String visitorUpdate(@PathVariable Integer visitorId, Model model) { Visitor visitor = visitorService.selectById(visitorId); model.addAttribute("item",visitor); Park park = parkService.selectById(visitor.getParkId()); model.addAttribute("park",park); LogObjectHolder.me().set(visitor); return PREFIX + "visitor_edit.html"; } /** * 修改 */ @Permission @RequestMapping(value = "/update") @ResponseBody public Object update(Visitor visitor) { visitorService.updateById(visitor); return SUCCESS_TIP; } /** * 刪除 */ @Permission @RequestMapping(value = "/delete") @ResponseBody public Object delete(@RequestParam Integer visitorId) { visitorService.deleteById(visitorId); return SUCCESS_TIP; } /** * excel 匯入 */ @RequestMapping(value = "/import", method= RequestMethod.POST) @ResponseBody public Map<String, Object> importExcel(@RequestParam(value="file",required = false) MultipartFile file, HttpServletRequest request, HttpServletResponse response){ Map<String, Object> map = new HashMap<String, Object>(); String result = visitorService.readExcelFile(file); map.put("message", result); return map; } }
service
package com.stylefeng.guns.modular.server.service;
import com.baomidou.mybatisplus.plugins.Page;
import com.stylefeng.guns.modular.server.model.Visitor;
import com.baomidou.mybatisplus.service.IService;
import org.springframework.web.multipart.MultipartFile;
import java.util.List;
import java.util.Map;
/**
* 訪客管理的服務類
*
* @author
* @date 2018-09-27 17:30:19
*/
public interface IVisitorService extends IService<Visitor> {
/**
* 分頁查詢列表
*/
List<Map<String,Object>> selectVisitorList(Page<Map<String, Object>> page, String visitorName, String orderByField, boolean asc);
/**
* 讀取excel中的資料,生成list
*/
String readExcelFile(MultipartFile file);
}
serviceImp
package com.stylefeng.guns.modular.server.service.impl;
import com.baomidou.mybatisplus.plugins.Page;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import com.stylefeng.guns.modular.server.dao.VisitorMapper;
import com.stylefeng.guns.modular.server.model.Visitor;
import com.stylefeng.guns.modular.server.service.IVisitorService;
import com.stylefeng.guns.modular.server.service.util.ReadExcel;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.util.Date;
import java.util.List;
import java.util.Map;
/**
* 訪客管理 的服務實現類
*
* @author
* @date 2018-09-27 17:30:19
*/
@Service
public class VisitorServiceImpl extends ServiceImpl<VisitorMapper, Visitor> implements IVisitorService {
@Override
public List<Map<String, Object>> selectVisitorList(Page<Map<String, Object>> page, String visitorName, String orderByField, boolean asc) {
return this.baseMapper.selectVisitorList(page, visitorName, orderByField, asc);
}
Visitor visitor = new Visitor();
@Override
public String readExcelFile(MultipartFile file) {
String result = "";
//建立處理EXCEL的類
ReadExcel readExcel = new ReadExcel();
//解析excel，獲取上傳的事件單
List<Map<String, Object>> excelList = readExcel.getExcelInfo(file);
//至此已經將excel中的資料轉換到list裡面了,接下來就可以操作list,可以進行儲存到資料庫,或者其他操作,
for(Map<String, Object> row:excelList){
visitor.setParkId(Integer.parseInt( row.get("parkId").toString() ));
visitor.setVisitorName(row.get("visitorName").toString());
visitor.setVisitorMobile(row.get("visitorMobile").toString());
visitor.setCreatetime(new Date());
visitor.setAppointTime(new Date());
visitor.setFollowNum(1);
visitor.setInviter("aaa");
visitor.setInviterCompany("aaaaa");
visitor.setVisitingTime(new Date());
visitor.setStatus(1);
boolean ret = insert(visitor);
if(ret == false){
result = "插入資料庫失敗";
}
}
if(excelList != null && !excelList.isEmpty()){
result = "上傳成功";
}else{
result = "上傳失敗";
}
return result;
}
}
util
package com.stylefeng.guns.modular.server.service.util;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.poi.hssf.usermodel.HSSFCell;
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.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.multipart.MultipartFile;
/**
*
* @author
*
*/
public class ReadExcel {
// 總行數
private int totalRows = 0;
// 總條數
private int totalCells = 0;
// 錯誤資訊接收器
private String errorMsg;
// 構造方法
public ReadExcel() {
}
// 獲取總行數
public int getTotalRows() {
return totalRows;
}
// 獲取總列數
public int getTotalCells() {
return totalCells;
}
// 獲取錯誤資訊
public String getErrorInfo() {
return errorMsg;
}
/**
* 讀EXCEL檔案，獲取資訊集合
*
* @param mFile
* @return
*/
public List<Map<String, Object>> getExcelInfo(MultipartFile mFile) {
String fileName = mFile.getOriginalFilename();// 獲取檔名
// List<Map<String, Object>> userList = new LinkedList<Map<String, Object>>();
try {
if (!validateExcel(fileName)) {// 驗證檔名是否合格
return null;
}
boolean isExcel2003 = true;// 根據檔名判斷檔案是2003版本還是2007版本
if (isExcel2007(fileName)) {
isExcel2003 = false;
}
return createExcel(mFile.getInputStream(), isExcel2003);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 根據excel裡面的內容讀取客戶資訊
*
* @param is 輸入流
* @param isExcel2003 excel是2003還是2007版本
* @return
* @throws IOException
*/
public List<Map<String, Object>> createExcel(InputStream is, boolean isExcel2003) {
try {
Workbook wb = null;
if (isExcel2003) {// 當excel是2003時,建立excel2003
wb = new HSSFWorkbook(is);
} else {// 當excel是2007時,建立excel2007
wb = new XSSFWorkbook(is);
}
return readExcelValue(wb);// 讀取Excel裡面客戶的資訊
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 讀取Excel裡面客戶的資訊
*
* @param wb
* @return
*/
private List<Map<String, Object>> readExcelValue(Workbook wb) {
// 得到第一個shell
Sheet sheet = wb.getSheetAt(0);
// 得到Excel的行數
this.totalRows = sheet.getPhysicalNumberOfRows();
// 得到Excel的列數(前提是有行數)
if (totalRows > 1 && sheet.getRow(0) != null) {
this.totalCells = sheet.getRow(0).getPhysicalNumberOfCells();
}
List<Map<String, Object>> userList = new ArrayList<Map<String, Object>>();
// 迴圈Excel行數
for (int r = 1; r < totalRows; r++) {
Row row = sheet.getRow(r);
if (row == null) {
continue;
}
// 迴圈Excel的列
Map<String, Object> map = new HashMap<String, Object>();
for (int c = 0; c < this.totalCells; c++) {
Cell cell = row.getCell(c);
if (null != cell) {
if (c == 0) {
// 如果是純數字,比如你寫的是25,cell.getNumericCellValue()獲得是25.0,通過擷取字串去掉.0獲得25
if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
String parkId = String.valueOf(cell.getNumericCellValue());
map.put("parkId", parkId.substring(0, parkId.length() - 2 > 0 ? parkId.length() - 2 : 1));// 園區id
} else {
map.put("parkId", cell.getStringCellValue());// 園區id
}
} else if (c == 1) {
if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
String visitorName = String.valueOf(cell.getNumericCellValue());
map.put("visitorName",visitorName.substring(0, visitorName.length() - 2 > 0 ? visitorName.length() - 2 : 1));// 來訪姓名
} else {
map.put("visitorName",cell.getStringCellValue());// 來訪姓名
}
}else if (c == 2) {
if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
String visitorMobile = String.valueOf(cell.getNumericCellValue());
map.put("visitorMobile",visitorMobile.substring(0, visitorMobile.length() - 2 > 0 ? visitorMobile.length() - 2 : 1));// 訪客手機
} else {
map.put("visitorMobile",cell.getStringCellValue());// 訪客手機
}
}
}
}
// 新增到list
userList.add(map);
}
return userList;
}
/**
* 驗證EXCEL檔案
*
* @param filePath
* @return
*/
public boolean validateExcel(String filePath) {
if (filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath))) {
errorMsg = "檔名不是excel格式";
return false;
}
return true;
}
// @描述：是否是2003的excel，返回true是2003
public static boolean isExcel2003(String filePath) {
return filePath.matches("^.+\\.(?i)(xls)$");
}
// @描述：是否是2007的excel，返回true是2007
public static boolean isExcel2007(String filePath) {
return filePath.matches("^.+\\.(?i)(xlsx)$");
}
}maven新增配置
<!--excel 匯入excel 需要的jar包 -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.16</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.16</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.16</version>
</dependency>參考網站 : https://blog.csdn.net/he140622hwt/article/details/78478960