把Excule导入，并把Excule中的数据解析出来，包装成对象的属性，保存在数据库中；
Excule中的数据：
1.web.xml的配置：
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<servlet>
<servlet-name>Dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:ApplicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 文件上传 -->
<!--
1.在web.xml中添加listener
2.在web.xml中添加spring框架启动的加载的配置文件路径:
-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:ApplicationContext.xml</param-value>
</context-param>
</web-app>
2.ApplicationContext.xml中的配置
<!-- 支持上传文件 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> </bean>
3.文件上传的JSP以及JS判断上传的文件是否为指定格式：
①：form表单
<form enctype="multipart/form-data" action="${paths}/upload.do" method="post" onchange="selectFile(this)">
<p style="font-size:16px;">请选择正确的excel文件上传</p>
<input id="txt" class="input" type="text" disabled="disabled" value="文件域" name="txt">
<input type="button" onclick="file.click()" value="上传文件" onmousemove="file.style.pixelLeft=event.x-60;file.style.pixelTop=this.offsetTop;">
<input id="file1" class="files" type="file" hidefocus="" size="1" style="height:26px;" name="file" onchange="txt.value=this.value">
<p style="color:red;">支持的excel格式为：xls、xlsx、xlsb、xlsm、xlst！</p>
<input class="btn btn_ok" type="submit" value="确认">
</form>
②：JS代码：
function selectFile(fnUpload){
var filename=document.getElementById("txt").value;
var mime = filename.toLowerCase().substr(filename.lastIndexOf("."));
if(!(mime==".xls"||mime==".xlsx"||mime==".xlsb"||mime==".xlsm"||mime==".xlst")){
alert("请选择正确的格式上传");
}
}
4.ExculeUtil类：
package com.bgiseq.Experiment_Center.controller;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.CellFormat;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
public class ExculeUtils {
/**
* 下载Excule模板
*
* @param output
* @return
* @throws IOException
* @throws WriteException
*/
public static WritableWorkbook createTemplate(OutputStream output) throws IOException, WriteException {
WritableWorkbook writableWorkbook = Workbook.createWorkbook(output);
WritableSheet wsheet = writableWorkbook.createSheet("测试title", 0);
CellFormat cf = writableWorkbook.getSheet(0).getCell(1, 0).getCellFormat();
WritableCellFormat wc = new WritableCellFormat();
// 设置居中
wc.setAlignment(Alignment.CENTRE);
// 设置边框线
// wc.setBorder(Border.ALL, BorderLineStyle.THIN);
wc.setBackground(jxl.format.Colour.GREEN);// 设置背景颜色
// Label(x,y,z)其中x代表单元格的第x+1列，第y+1行,
Label nc1 = new Label(0, 0, "药品编号", wc);
Label nc0 = new Label(1, 0, "药品名称", wc);
// 单元格的内容是z
Label nc2 = new Label(2, 0, "药品厂家", wc);
Label nc3 = new Label(3, 0, "备注", wc);
Label nc4 = new Label(4, 0, "创建日期", wc);
Label nc5 = new Label(5, 0, "修改日期", wc);
Label nc6 = new Label(6, 0, "删除标志", wc);
wsheet.addCell(nc0);
wsheet.addCell(nc1);
wsheet.addCell(nc2);
wsheet.addCell(nc3);
wsheet.addCell(nc4);
wsheet.addCell(nc5);
wsheet.addCell(nc6);
return writableWorkbook;
}
/**
* 解析Excule，并将解析出来的数据保存在list中 * JXL解析（要导入JXL包）
*
* @param file 传入一个Excule文件
* @return
*/
public static List<String[]> readEcxule(File file) {
Sheet sheet;
Workbook book;
Cell cell1 = null;
try {
// file为要读取的excel文件名
book = Workbook.getWorkbook(file);
// 获得第一个工作表对象(ecxel中sheet的编号从0开始,0,1,2,3,....)
sheet = book.getSheet(0);
int columns = sheet.getColumns();//获取一共有多少列
int rows = sheet.getRows();//获取一共有多少行
List<String[]> list = new ArrayList<>();
// 获取左上角的单元格
// cell1 = sheet.getCell(0, 0);
// System.out.println("标题："+cell1.getContents());
for (int i = 0; i < rows; i++) {
String[] vals = new String[columns];
for (int j = 0; j < columns; j++) {
// 获取每一行的单元格
cell1 = sheet.getCell(j, i);// （列，行）
String contents = cell1.getContents();
//将每一行的数据添加的String[]中
vals[j] = contents;
}
list.add(vals);
}
book.close();
return list;
} catch (Exception e) {
e.printStackTrace();
}
return null;
5.T_KitInfo对象类：
public class T_KitInfo {
private String ID;//试剂盒编号
private String KitNO;//
private String KitName;//试剂盒名称
private String Manufactor;//制造厂
private String Note;//票据
private Date CreateTime;//当前时间
private Date UpdateTime;//修改时间
private Character flag;//标记
//getter和setter方法
}
6.Controller类：
@RequestMapping(value = "/upload.do")
public String upload(@RequestParam(value = "file", required = false) MultipartFile file, HttpServletRequest request, ModelMap model) {
String path = request.getSession().getServletContext().getRealPath("/WebContent/upload");
String fileName = file.getOriginalFilename();
try {
File targetFile=null;
if(fileName!=null||fileName!=""){
//用\\.将文件名进行解析
String[] split = fileName.split("\\.");
String lastname = split[1];
//判断文件的后缀名是不是指定的格式
if("xls".equals(lastname)||"xlsx".equals(lastname)||"xlsb".equals(lastname)||"xlsm".equals(lastname)||"xlst".equals(lastname)){
targetFile = new File(path, fileName);
if(!targetFile.exists()){
targetFile.mkdirs();
}
//保存文件
file.transferTo(targetFile);
//调用ExculeUtils类中的解析Excule的方法
List<String[]> list = ExculeUtils.readEcxule(targetFile);
//遍历得到的list
for (int i = 1; i < list.size(); i++) {
//因为第一行数据为表头信息，所以不用获取到，i从1开始
String[] strings = list.get(i);
//将获取到的信息设置为T_KitInfo的属性
T_KitInfo t=new T_KitInfo();
for (int j = 0; j < strings.length; j++) {
String KitNO = strings[0];//药品编号
String KitName = strings[1];//药品名称
String Manufactor = strings[2];//药品厂家
String Note = strings[3];//备注
String createDate1 = strings[4];//创建日期
//T_KitInfo中的时间对象为Date对象，利用Date工具类对String进行解析，得到date对象
Date createDate = DateUtil.getDateFromString(createDate1);
String updateDate1 = strings[5];//修改日期
Date updateDate = DateUtil.getDateFromString(updateDate1);
t.setKitNO(KitNO);
t.setKitName(KitName);
t.setManufactor(Manufactor);
t.setNote(Note);
t.setCreateTime(createDate);
t.setCreateTime(updateDate);
}
//调用service层的保存对象的方法
service.save(t);
}
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文件下载：
1.jsp信息：
<a class="import" href="${paths}/sjdcExcel">模板下载</a>
2.controller类：
@RequestMapping("sjdcExcel")
public void download(HttpServletRequest request, HttpServletResponse response) throws IOException, BiffException, WriteException {
String filename="试剂盒信息";
response.setHeader("Content-Disposition", "attachment; filename=SJHMessage.xls");
WritableWorkbook writableWorkbook = ExculeUtils.createTemplate(response.getOutputStream());
writableWorkbook.write();
writableWorkbook.close();
}
时间： 2024-10-20 17:21:01