
項目架構
1,背景:spring+springmvc+mybatis
2,前台: bootstrap+jquery+ajax
3,項目管理:maven
說明.excel處理函數需要引入poi的jar包,在pom.xml引入一下代碼
<!-- POI -->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.8</version>
<exclusions>
<exclusion>
<artifactId>commons-codec</artifactId>
<groupId>commons-codec</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.8</version>
</dependency>
别的架構大體上也是可以的,隻需稍微調整,如有問題,大家可留言讨論
實作的功能說明:将使用者資訊(姓名,性别,年齡)通過excel上傳,并儲存到資料庫
具體代碼如下
1,前台html代碼
<form enctype="multipart/form-data" id="batchUpload" action="user/upload" 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" οnclick="user.uploadBtn()" >上傳</button>
前台頁面效果
excel内容展示
2,JS代碼
var User = function(){
this.init = function(){
//模拟上傳excel
$("#uploadEventBtn").unbind("click").bind("click",function(){
$("#uploadEventFile").click();
});
$("#uploadEventFile").bind("change",function(){
$("#uploadEventPath").attr("value",$("#uploadEventFile").val());
});
};
//點選上傳按鈕
this.uploadBtn = function(){
var uploadEventFile = $("#uploadEventFile").val();
if(uploadEventFile == ''){
alert("請選擇excel,再上傳");
}else if(uploadEventFile.lastIndexOf(".xls")<0){//可判斷以.xls和.xlsx結尾的excel
alert("隻能上傳Excel檔案");
}else{
var url = '/user/upload/';
var formData = new FormData($('form')[0]);
user.sendAjaxRequest(url,'POST',formData);
}
};
this.sendAjaxRequest = function(url,type,data){
$.ajax({
url : url,
type : type,
data : data,
success : function(result) {
alert( result);
},
error : function() {
alert( "excel上傳失敗");
},
cache : false,
contentType : false,
processData : false
});
};
}
var user;
$(function(){
user = new User();
user.init();
});
3,domain層使用者的實體類
/**
* @author liuchj
* @version 1.0
*/
public class User {
private String name;
private String sex;
private String age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
}
4,controller層代碼
@Controller
@RequestMapping("/user")
public class UserController{
@Autowired
private UserService userService;
@RequestMapping(value="/upload",method = RequestMethod.POST)
@ResponseBody
public String upload(@RequestParam(value="file",required = false)MultipartFile file,HttpServletRequest request, HttpServletResponse response){
Sring result = userService.readExcelFile(file);
return result;
}
}
5,service層代碼
1),service層接口
public interface UserService {
/**
* 讀取excel中的資料,生成list
*/
String readExcelFile( MultipartFile file);
}
2),service實作層代碼
@Service
public class MeetingRoomServiceImpl implements MeetingRoomService {
@Override
public String readExcelFile(MultipartFile file) {
String result ="";
//建立處理EXCEL的類
ReadExcel readExcel=new ReadExcel();
//解析excel,擷取上傳的事件單
List<User> useList = readExcel.getExcelInfo(file);
//至此已經将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,
//和你具體業務有關,這裡不做具體的示範
if(useList != null && !useList.isEmpty()){
result = "上傳成功";
}else{
result = "上傳失敗";
}
return result;
}
}
3),excel處理函數
/**
* @author liuchj
* @version 1.0
*/
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(){}
//擷取總行數
public int getTotalRows() { return totalRows;}
//擷取總列數
public int getTotalCells() { return totalCells;}
//擷取錯誤資訊
public String getErrorInfo() { return errorMsg; }
/**
* 讀EXCEL檔案,擷取資訊集合
* @param fielName
* @return
*/
public List<User> getExcelInfo(MultipartFile mFile) {
String fileName = mFile.getOriginalFilename();//擷取檔案名
try {
if (!validateExcel(fileName)) {// 驗證檔案名是否合格
return null;
}
boolean isExcel2003 = true;// 根據檔案名判斷檔案是2003版本還是2007版本
if (isExcel2007(fileName)) {
isExcel2003 = false;
}
List<User> userList = createExcel(mFile.getInputStream(), isExcel2003);
} catch (Exception e) {
e.printStackTrace();
}
return userList;
}
/**
* 根據excel裡面的内容讀取客戶資訊
* @param is 輸入流
* @param isExcel2003 excel是2003還是2007版本
* @return
* @throws IOException
*/
public List<User> 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);
}
List<User> userList = readExcelValue(wb);// 讀取Excel裡面客戶的資訊
} catch (IOException e) {
e.printStackTrace();
}
return userList;
}
/**
* 讀取Excel裡面客戶的資訊
* @param wb
* @return
*/
private List<User> 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<User> userList = new ArrayList<User>();
// 循環Excel行數
for (int r = 1; r < totalRows; r++) {
Row row = sheet.getRow(r);
if (row == null){
continue;
}
User user = new User();
// 循環Excel的列
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,通過截取字元串去掉.0獲得25
if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
String name = String.valueOf(cell.getNumericCellValue());
user.setName(name.substring(0, name.length()-2>0?name.length()-2:1));//名稱
}else{
user.setName(cell.getStringCellValue());//名稱
}
} else if (c == 1) {
if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
String sex = String.valueOf(cell.getNumericCellValue());
user.setSex(sex.substring(0, sex.length()-2>0?sex.length()-2:1));//性别
}else{
user.setSex(cell.getStringCellValue());//性别
}
} else if (c == 2){
if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
String age = String.valueOf(cell.getNumericCellValue());
user.setAge(age.substring(0, age.length()-2>0?age.length()-2:1));//年齡
}else{
user.setAge(cell.getStringCellValue());//年齡
}
}
}
}
// 添加到list
userList.add(user);
}
return userList;
}
/**
* 驗證EXCEL檔案
*
* @param filePath
* @return
*/
public boolean validateExcel(String filePath) {
if (filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath))) {
errorMsg = "檔案名不是excel格式";
return false;
}
return true;
}
// @描述:是否是2003的excel,傳回true是2003
public static boolean isExcel2003(String filePath) {
return filePath.matches("^.+.(?i)(xls)$");
}
//@描述:是否是2007的excel,傳回true是2007
public static boolean isExcel2007(String filePath) {
return filePath.matches("^.+.(?i)(xlsx)$");
}
}