EXCEL与Mysql数据相互同步---EXCEL数据上传到Mysql,从Mysql下载数据到EXCEL__2
2024-06-10 03:51:24
使用mybatis,maven,springboot
排版比较乱,但是都复制全了,不调了自己记录下
导出是全部导出的需求场景,正常业务中有按时间/操作人/等等等条件的…
依赖
<parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.0.2.RELEASE</version><relativePath /> <!-- lookup parent from repository --></parent><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.mybatis.spring.boot</groupId><artifactId>mybatis-spring-boot-starter</artifactId><version>1.1.1</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-jdbc</artifactId><version>2.0.2.RELEASE</version></dependency><!--Excel导出导入--><dependency><groupId>org.apache.poi</groupId><artifactId>poi</artifactId><version>3.10.1</version><scope>compile</scope></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>3.10.1</version></dependency><!--c3p0,使用mybatis的时候使用--><dependency><groupId>c3p0</groupId><artifactId>c3p0</artifactId><version>0.9.1.2</version><type>jar</type><scope>compile</scope></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build>
controller
import com.tcl.test.pojo.Content;
import com.tcl.test.service.ContentService;
import com.tcl.test.utils.CommUtil;
import com.tcl.test.utils.ExcelUtil;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.*;/*** 使用Mybatis完成Excel导入导出操作* @author Yangshuxiiang**/
@RestController
public class MybatisExcelController {@Autowiredprivate ContentService contentService;/*** Excel数据导入* @param request* @param response* @param filePro* @return*/@RequestMapping(value="/importExcel")public Map<String, Object> importExcel(HttpServletRequest request,HttpServletResponse response, String filePro){Map<String, Object> map = new HashMap<>();String keys[] = {"id","category_id","title","url","pic","status","sort_order"};try {List<Map<String,String>> listData = ExcelUtil.getExcelData(request, "file",keys);if(listData.size() == 0){map.put("status",-1);map.put("message","上传失败，上传数据必须大于一条");return map;}Content content = new Content();;for (Map<String, String> dataMap : listData) {//输出到控制台校验//System.out.println(keys[1] + ":" + dataMap.get(keys[1]));//System.out.println(keys[2] + ":" + dataMap.get(keys[2]));//System.out.println(keys[3] + ":" + dataMap.get(keys[3]));//System.out.println(keys[4] + ":" + dataMap.get(keys[4]));//System.out.println(keys[5] + ":" + dataMap.get(keys[5]));//System.out.println(keys[6] + ":" + dataMap.get(keys[6]));content.setCategory_id(dataMap.get(keys[1]));content.setTitle(dataMap.get(keys[2]));content.setUrl(dataMap.get(keys[3]));content.setPic(dataMap.get(keys[4]));content.setStatus(dataMap.get(keys[5]));content.setSort_order(dataMap.get(keys[6]));contentService.insertDB(content);}map.put("listData", listData);map.put("code", 1);map.put("message", "导入成功");} catch (Exception e) {e.printStackTrace();}return map;}/*** 出具导出excel* @param request* @param response* @return* @throws IOException*/@RequestMapping(value = "/excelExport", method = { RequestMethod.GET, RequestMethod.POST })public Map<String,Object> excelExport(HttpServletRequest request, HttpServletResponse response) throws IOException {Map<String,Object> data = new HashMap<>();String fileName = CommUtil.formatTime("yyyyMMddHHmmss", new Date()) +".xls";String columnNames[] = {"广告编号","广告分类编号","广告名称","广告路径","图片链接","状态","排序"};String keys[] = {"id","category_id","title","url","pic","status","sort_order"};List<Map<String,Object>> listMap = new ArrayList<>();Map<String,Object> map = null;//查询写出List<Map<String, Object>> list = contentService.findAll();for (Map<String, Object> map_d : list) {//在循环里面新增hashmap用于装每一条数据,防止被覆盖生成同样的数据map = new HashMap<>();map.putAll(map_d);listMap.add(map);}try {//创建WorkbookWorkbook wb = ExcelUtil.createWorkBook(listMap, keys, columnNames);//保存路径String savePath = request.getServletContext().getRealPath("/") + File.separator + fileName;// 创建文件流OutputStream stream = new FileOutputStream(savePath);// 写入数据wb.write(stream);// 关闭文件流stream.close();//返回结果data.put("code", 1);String downloadUrl = request.getScheme() + "://"+request.getServerName() + ":" + request.getServerPort() + "/" + fileName;data.put("download", downloadUrl);data.put("message", "文件流输出成功");//控制台输出下载路径System.out.println("\n数据导出成功，下载路径：" + downloadUrl);} catch (IOException e) {System.err.println(e.getMessage());data.put("code", -1);data.put("message", "下载出错");return data;}return data;}}
dao
import com.tcl.test.pojo.Content;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;import java.util.List;
import java.util.Map;/*** @Author Yangshuixiang'_'* @date 2019/1/25 17:53* @Email shuixiang.yang@tcl.com*/@Mapper
public interface ContentDao {@Insert("insert into tb_content (category_id,title,url,pic,status,sort_order) values (#{category_id},#{title},#{url},#{pic},#{status},#{sort_order})")public void insertDB(Content content);@Select("select * from tb_content")public List<Map<String, Object>> selectAll();}pojoimport java.io.Serializable;/*** 广告实体类*/public class Content implements Serializable {private Long id;private String category_id;private String title;private String url;private String pic;private String status;private String sort_order;@Overridepublic String toString() {return "Content{" +"id=" + id +", category_id='" + category_id + '\'' +", title='" + title + '\'' +", url='" + url + '\'' +", pic='" + pic + '\'' +", status='" + status + '\'' +", sort_order='" + sort_order + '\'' +'}';}public Long getId() {return id;}public void setId(Long id) {this.id = id;}public String getCategory_id() {return category_id;}public void setCategory_id(String category_id) {this.category_id = category_id;}public String getTitle() {return title;}public void setTitle(String title) {this.title = title;}public String getUrl() {return url;}public void setUrl(String url) {this.url = url;}public String getPic() {return pic;}public void setPic(String pic) {this.pic = pic;}public String getStatus() {return status;}public void setStatus(String status) {this.status = status;}public String getSort_order() {return sort_order;}public void setSort_order(String sort_order) {this.sort_order = sort_order;}}
service
@Service
public class ContentService {@Autowiredprivate ContentDao contentDao;//导出查询的所有public List<Map<String, Object>> findAll(){List<Map<String, Object>> mapList = contentDao.selectAll();return mapList;}//导入数据public void insertDB(Content content){contentDao.insertDB(content);}}commutil//import java.text.SimpleDateFormat;
import java.util.Date;/*** @author YangShuixiang`_`*用于转换时间格式*/
public class CommUtil {public static boolean isNotNull(Object obj) {if ((obj != null) && (!obj.toString().equals(""))) {return true;}return false;}public static Date formatDate(String s, String format) {Date d = null;try {SimpleDateFormat dFormat = new SimpleDateFormat(format);d = dFormat.parse(s);} catch (Exception localException) {}return d;}public static String formatShortDate(Object v) {if (v == null)return null;SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");return df.format(v);}public static String formatTime(String format, Object v) {if (v == null)return null;if (v.equals(""))return "";SimpleDateFormat df = new SimpleDateFormat(format);return df.format(v);}
}
ExcelUtil/
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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;
import org.springframework.web.multipart.MultipartHttpServletRequest;import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.math.BigDecimal;
import java.util.*;/*** Excel表格导出导入工具类** @author YangShuixiang`_`* @date 2019-1-25*/
public class ExcelUtil {/*** @param listMap 导出的数据* @param keys 取每列数据的key* @param columnNames 列名* @return Excel工作簿*/public static Workbook createWorkBook(List<Map<String, Object>> listMap, String keys[], String columnNames[]) {// 创建excel工作簿Workbook wb = new HSSFWorkbook();// 创建第一个sheet（页），并命名Sheet sheet = wb.createSheet("Sheet1");// 手动设置列宽。第一个参数表示要为第几列设；，第二个参数表示列的宽度，n为列高的像素数。for (int i = 0; i < keys.length; i++) {sheet.setColumnWidth((short) i, (short) (35 * 100));}/**// 创建两种单元格格式CellStyle cs = wb.createCellStyle();CellStyle cs2 = wb.createCellStyle();// 创建两种字体Font f = wb.createFont();Font f2 = wb.createFont();// 创建第一种字体样式（用于列名）f.setFontHeightInPoints((short) 10);f.setColor(IndexedColors.BLACK.getIndex());f.setBoldweight(Font.BOLDWEIGHT_BOLD);// 创建第二种字体样式（用于值）f2.setFontHeightInPoints((short) 10);f2.setColor(IndexedColors.BLACK.getIndex());// 设置第一种单元格的样式（用于列名）cs.setFont(f);cs.setBorderLeft(CellStyle.BORDER_THIN);cs.setBorderRight(CellStyle.BORDER_THIN);cs.setBorderTop(CellStyle.BORDER_THIN);cs.setBorderBottom(CellStyle.BORDER_THIN);cs.setAlignment(CellStyle.ALIGN_CENTER);// 设置第二种单元格的样式（用于值）cs2.setFont(f2);cs2.setBorderLeft(CellStyle.BORDER_THIN);cs2.setBorderRight(CellStyle.BORDER_THIN);cs2.setBorderTop(CellStyle.BORDER_THIN);cs2.setBorderBottom(CellStyle.BORDER_THIN);cs2.setAlignment(CellStyle.ALIGN_CENTER);*/// 创建第一行Row row = sheet.createRow((short) 0);//设置列名for (int i = 0; i < columnNames.length; i++) {Cell cell = row.createCell(i);cell.setCellValue(columnNames[i]);/**cell.setCellStyle(cs);*/}//设置每行每列的值for (short i = 0; i < listMap.size(); i++) {// Row 行,Cell 方格 , Row 和 Cell 都是从0开始计数的// 创建一行，在页sheet上Row row1 = sheet.createRow((short) i + 1);// 在row行上创建一个方格for (short j = 0; j < keys.length; j++) {Cell cell = row1.createCell(j);cell.setCellValue(listMap.get(i).get(keys[j]) == null ? " " : listMap.get(i).get(keys[j]).toString());/**cell.setCellStyle(cs2);*/}}return wb;}/*** 获取导入Excel的数据** @param request* @param filePro* @param keys* @return*/public static List<Map<String, String>> getExcelData(HttpServletRequest request, String filePro, String keys[]) {List<Map<String, String>> data = new ArrayList<>();try {if (!CommUtil.isNotNull(filePro)) {filePro = "file";}MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;MultipartFile file = (MultipartFile) multipartRequest.getFile(filePro);//获得文件名String fileName = file.getOriginalFilename();Workbook wb = null;if (fileName.endsWith("xlsx")) {wb = new XSSFWorkbook(file.getInputStream());} else {wb = new HSSFWorkbook(file.getInputStream());}//获得第一个表单Sheet sheet = wb.getSheetAt(0);//获得第一个表单的迭代器Iterator<Row> rows = sheet.rowIterator();int i = 0;while (rows.hasNext()) {i++;Map<String, String> rowMap = new HashMap<>();//获得行数据Row row = rows.next();//跳过头部if (row.getRowNum() == 0) {continue;}Iterator<Cell> cells = row.cellIterator();//获得行的迭代器int j = 0, k = 0;while (cells.hasNext()) {Cell cell = cells.next();//类型判断String key = "";//防止越界if (keys.length > cell.getColumnIndex()) {key = keys[cell.getColumnIndex()];}if (CommUtil.isNotNull(key)) {String value = formatCell(cell);rowMap.put(key, value);if (!CommUtil.isNotNull(value)) {j++; //记录空值得数量}k++; //记录多少列}}//如果i=j，说明一行都是空的if (j == k) {break;} else {data.add(rowMap);}if (i > 50001) {System.out.println("\n============导入数据大于五万条，立即停止===============");break;}}} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}return data;}/*** 反射机制 map转实体** @param classPath java类路径* @param listData map数据* @return*/public static List<Object> factoryMapToJavaObj(String classPath, List<Map<String, String>> listData) {List<Object> list = new ArrayList<Object>();try {//获取类Class<?> c = Class.forName(classPath);//获取类的所有属性Field[] fs = c.getDeclaredFields();Object valObj = null;for (Map<String, String> mapData : listData) {//获取类的一个实例Object o = c.newInstance();for (Field field : fs) {String fieldName = field.getName();String fieldType = field.getType().getName();String value = mapData.get(fieldName);if (CommUtil.isNotNull(value)) {valObj = value.trim();} else {valObj = null;}if (Modifier.toString(field.getModifiers()).indexOf("static") != -1 || fieldName.equals("id")) {continue;}if (fieldType.equals("java.math.BigDecimal")) {if (CommUtil.isNotNull(valObj)) {if (valObj.toString().indexOf("%") != -1) {String newVal = valObj.toString().replaceAll("%", "");Double num = Double.valueOf(newVal) / 100;valObj = BigDecimal.valueOf(num);} else {valObj = BigDecimal.valueOf(Double.valueOf(value.replace(",", "")));}} else {valObj = BigDecimal.valueOf(0);}}if (fieldType.equals("java.util.Date") && CommUtil.isNotNull(value)) {valObj = CommUtil.formatDate(value.replace("/", "-"), "yyyy-MM-dd");}if (fieldType.equals("java.lang.Integer")) {if (CommUtil.isNotNull(valObj)) {valObj = Integer.valueOf(valObj.toString());} else {valObj = Integer.valueOf(0);}}if (fieldType.equals("java.lang.Long")) {if (CommUtil.isNotNull(valObj)) {valObj = Long.valueOf(valObj.toString());} else {valObj = Long.valueOf(0);}}if (CommUtil.isNotNull(valObj)) {//设置可访问私有属性field.setAccessible(true);//给o对象的属性赋值field.set(o, valObj);}}list.add(o);}} catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {e.printStackTrace();}return list;}public static void main(String[] args) {// Map<String, String> map = new HashMap<>();
// List l = new ArrayList<>();
// l.add(map);
// new ExcelUtil().factoryMapToJavaObj("com.qhiex.foundation.domain.po.system.BusMediInterface", l);}/*** 按类型取值** @param cell* @return*/public static String formatCell(Cell cell) {if (cell == null) {return "";}switch (cell.getCellType()) {//数值格式case HSSFCell.CELL_TYPE_NUMERIC:if (HSSFDateUtil.isCellDateFormatted(cell)) {//如果是日期格式return CommUtil.formatShortDate(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));} else {//字符时cell.setCellType(HSSFCell.CELL_TYPE_STRING);return cell.getStringCellValue();}//字符串case HSSFCell.CELL_TYPE_STRING:return cell.getStringCellValue();// 公式case HSSFCell.CELL_TYPE_FORMULA:return cell.getCellFormula();// 空白case HSSFCell.CELL_TYPE_BLANK:return "";// 布尔取值case HSSFCell.CELL_TYPE_BOOLEAN:return cell.getBooleanCellValue() + "";//错误类型case HSSFCell.CELL_TYPE_ERROR:break;}return "";}
}
EXCEL与Mysql数据相互同步---EXCEL数据上传到Mysql,从Mysql下载数据到EXCEL__2相关推荐
- EXCEL与Mysql数据相互同步---EXCEL数据上传到Mysql,从Mysql下载数据到EXCEL__1
EXCEL数据上传到Mysql,从Mysql下载数据到EXCEL 总结一下最近项目中用到的excel和mysql数据同步流程(Springboot里面使用的jdbcTemplate,如果要集成myba ...
- XML 数据 BCP方式大批量的上传--学习（一）
1.是用xml数据,来进行解析上传数据. 2.例如: 3. <Batch batchNo="20100617"> <Code Code=&q ...
- ajax实现下拉列表回显,layui实现下拉复选功能的例子(包括数据的回显与上传)
一.layui下拉复选实现的背景:实现一个管理员拥有多个权限 二. 具体实现: //依赖资源 //页面显示 角色: xm-select-search xm-select-skin="defa ...
- ajax文件后台提交,有关文件上传 非ajax提交 得到后台数据问题
下文给大家介绍文件上传非ajax提交得到后台数据的操作方法,具体详情如下所示: .......... 根据id获得表单数据然后发送ajax请求,获得后台返回数据,处理数据,完美. 但是如果需要上传文件 ...
- 毕设 CC2530+esp8266使用AT指令上传与获取onenet服务器的数据
CC2530+esp8266使用AT指令上传与获取onenet服务器的数据 我们首先看效果视频, VID_20221023_175149(0)(0) 我一开始做这个项目的时候我发现对于这个CC2530 ...
- 毕业设计——音乐播放系统 可以自己上传歌曲 SSM框架 MYSQL数据库 功能齐全
音乐播放系统 可以自己上传歌曲 SSM框架 MYSQL数据库 功能齐全 可以注册账号 登录 在线上传歌曲 发表评论 在线听音乐 登录 注册 首页 播放音乐以及在线评论 个人后台页面 查看我发布的以及上 ...
- MySQL自动备份脚本和ftp上传脚本
MySQL自动备份脚本,并上传ftp 在日常的工作中Mysql数据库备份是长期需要去做的一件运维工作,但是人工手动去做这一机械的动作确实必要性不高,所以写个脚本来跑是比较好的. mysql备份脚本 # ...
- 上传文件页面回显_数据回显、删除以及excel导出
数据回显 当点击某个按钮跳转某个页面之前,发送请求到后台进行数据查询,最后将查询结果返回给前端页面,前端页面获取数据,最后呈现出来的效果是就回显的效果. 示例代码: 前端代码: Controller ...
- php读取excel数据在页面显示,PHP上传多个Excel表格里的数据到数据库然后在页面显示...
//上传excelpublic function uploadExcel(){ //获取当前的请求信息,或者使用助手函数request() $request = hinkRequest::instan ...
最新文章
- pandas 判断某个变量出于某一个范围
- 导航菜单设计五步法——B端设计指南
- 树形结构的数据存储和数据库表设计
- php mysql 取最小值_php – 根据另一个值更新最小值 – MySql
- vue 3D旋转木马轮播图
- 一个数独问题的算法(已更新,提供一个简单算法,欢迎拍砖)
- 保姆级教程！手把手教你使用Longhorn管理云原生分布式SQL数据库！
- 【已解决】iOS11使用MJRefresh上拉加载结束tableView闪动、跳动的问题
- 红外遥控NEC协议总结
- FlexDisPlayRoom正在发货「可在线玩弄」
- 学会这招，轻松实现批量PDF转jpg，快来码住
- 子网掩码掩码计算器_Javascript加载掩码
- 公司年会要求搞一个抽奖程序，及时安排一波
- 《论文阅读》D3DLO: DEEP 3D LIDAR ODOMETRY
- 3dmax如何删除重叠部分
- Ubuntu 开机自动运行命令
- 大陆、港澳台身份证、护照、军官证的正则表达式
- react初步学习（三）
- 【Redis】初探Redis
- Apache Spark RDD 论文（中文翻译）