我有一个JSP，我从中调用servlet来读取excel文档，并通过逐个读取excel单元将数据插入到MySQL数据库中。当我用数据上传excel时，仅插入excel文档的最后一行。我也有提交和回滚。即使调试时一切正常。没有引发任何错误。直到提交，但只插入了最后一行。
public class AddUser extends HttpServlet {
// location to store file uploaded
private static final String UPLOAD_DIRECTORY = "user";
Connection connection = null;
Statement statement = null;
String file_error = "";
String message_failure = "message_failure_user";
String message_success = "message_success_user";
String message_failure_bulk = "message_failure_bulk";
String message_success_bulk = "message_success_bulk";
String message_success1 = "message_success1";
String db_error = "Database error has occurred.";
String success = "Added the user successfully.";
String user_type, first_name, last_name, user_number, email_id, user_status, login_id, group_name, submit_value;
String sms_url, SenderID, mail_user,/* mail_password,*/ password_path, playstore_link, webapp_link;
List<String> type, names, numbers, email_ids, passwords, login_ids, group_names;
IST ist;
AESCrypt aESCrypt;
public void connectToServer() throws ClassNotFoundException, InstantiationException, IllegalAccessException, SQLException, IOException {
Properties properties = new Properties();
Thread currentThread = Thread.currentThread();
ClassLoader contextClassLoader = currentThread.getContextClassLoader();
InputStream propertiesStream = contextClassLoader.getResourceAsStream("config.properties");
properties.load(propertiesStream);
String url = properties.getProperty("jdbc.url");
String driver = properties.getProperty("jdbc.driver");
String username = properties.getProperty("jdbc.username");
String password = properties.getProperty("jdbc.password");
sms_url = properties.getProperty("jdbc.sms_url");
SenderID = properties.getProperty("jdbc.sms_senderid");
mail_user = properties.getProperty("jdbc.sender_mailid");
// mail_password = properties.getProperty("jdbc.sender_mailpass");
password_path = properties.getProperty("jdbc.password_path");
playstore_link = properties.getProperty("jdbc.playstore_link");
webapp_link = properties.getProperty("jdbc.webapp_link");
Class.forName(driver).newInstance();
connection = DriverManager.getConnection(url, username, password);
statement = connection.createStatement();
connection.setAutoCommit(false);
ist = new IST();
aESCrypt = new AESCrypt();
}
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String fileName = "";
if (!ServletFileUpload.isMultipartContent((HttpServletRequest) request)) {
PrintWriter writer = response.getWriter();
writer.println("Error: Form must has enctype=multipart/form-data.");
writer.flush();
return;
}
DiskFileItemFactory factory = new DiskFileItemFactory();
factory.setRepository(new File(System.getProperty("java.io.tmpdir")));
ServletFileUpload upload = new ServletFileUpload((FileItemFactory) factory);
String uploadPath = String.valueOf(this.getServletContext().getRealPath("")) + File.separator + UPLOAD_DIRECTORY;
File uploadDir = new File(uploadPath);
if (!uploadDir.exists()) {
uploadDir.mkdir();
}
File storeFile = null;
try {
List<FileItem> formItems = upload.parseRequest(request);
String ext = null;
if (formItems != null && formItems.size() > 0) {
for (FileItem item : formItems) {
if (item.isFormField()) {
if ("submituser".equals(item.getFieldName())) {
submit_value = item.getString().trim();
} else if ("user_type".equals(item.getFieldName())) {
user_type = item.getString().trim();
} else if ("first_name".equals(item.getFieldName())) {
first_name = item.getString().trim();
} else if ("last_name".equals(item.getFieldName())) {
last_name = item.getString().trim();
} else if ("user_number".equals(item.getFieldName())) {
user_number = item.getString().trim();
} else if ("email_id".equals(item.getFieldName())) {
email_id = item.getString().trim();
} else if ("user_status".equals(item.getFieldName())) {
user_status = item.getString().trim();
} else if ("login_id".equals(item.getFieldName())) {
login_id = item.getString().trim();
}
} else {
fileName = new File(item.getName()).getName();
ext = FilenameUtils.getExtension(fileName);
String randomFileName = UUID.randomUUID().toString();
fileName = randomFileName + "." + ext;
String filePath = String.valueOf(uploadPath) + File.separator + fileName;
storeFile = new File(filePath);
item.write(storeFile);
}
}
}
if (submit_value.equals("Add")) {
connectToServer();
file_error = "";
String sql_query = "SELECT * from user_account where mobile_no=" + user_number;
ResultSet resultset_val = statement.executeQuery(sql_query);
if (resultset_val.next()) {
file_error = "Mobile number entered is already in use. Please enter a different number.";
}
if (email_id.length() != 0) {
String sql_query1 = "SELECT * from user_account where email_id='" + email_id + "'";
ResultSet resultset_val1 = statement.executeQuery(sql_query1);
if (resultset_val1.next()) {
file_error = file_error + "<br/>Email id entered is already in use. Please choose a different email id.";
}
}
String sql_query2 = "SELECT * from user_account where login_id='" + login_id + "'";
ResultSet resultset_val2 = statement.executeQuery(sql_query2);
if (resultset_val2.next()) {
file_error = file_error + "<br/>Login id entered is already in use. Please choose a different Login id.";
}
URL connectURL = new URL(password_path);
BufferedReader in = new BufferedReader(new InputStreamReader(
connectURL.openStream()));
String inputLine;
StringBuilder password = new StringBuilder();
while ((inputLine = in.readLine()) != null) {
password.append(inputLine);
}
in.close();
//AESCrypt aESCrypt = new AESCrypt();
String encrypted = AESCrypt.bytesToHex(aESCrypt.encrypt(password.toString()));
if (!file_error.equals("")) {
throw new Exception();
} else {
statement.executeUpdate("insert into user_account(user_type_id,first_name,last_name,mobile_no,email_id,status,login_id,password,login_flag,last_gen_pw_ts,last_updated_ts)values('" + user_type + "','" + first_name + "','" + last_name + "','" + user_number + "','" + email_id + "','" + user_status + "','" + login_id + "','" + encrypted + "',0,'" + ist.getLastUpdatedts() + "','" + ist.getLastUpdatedts() + "')", java.sql.Statement.RETURN_GENERATED_KEYS);
}
connection.commit();
// SendSMS1(user_type, first_name, user_number, password.toString(), login_id);
// if (!email_id.isEmpty()) {
// SendMail1(user_type, first_name, email_id, password.toString(), login_id);
// }
} else if (submit_value.equals("Submit")) {
file_error = "";
String excelfile = uploadPath + File.separator + fileName;
if (ext.equals("xls")) {
File inputFile = new File(excelfile);
readXls(inputFile);
} else {
File inputFile = new File(excelfile);
readXlsx(inputFile);
}
}
} catch (Exception ex) {
try {
if (submit_value.equals("Add")) {
HttpSession session = request.getSession(false);
session.setAttribute(message_success1, submit_value);
session.setAttribute(message_failure, file_error);
session.setAttribute("user_type", user_type);
session.setAttribute("login_id", login_id);
session.setAttribute("f_name", first_name);
session.setAttribute("l_name", last_name);
session.setAttribute("m_no", user_number);
session.setAttribute("e_id", email_id);
session.setAttribute("u_status", user_status);
response.sendRedirect("userNew.jsp");
} else if (submit_value.equals("Submit")) {
HttpSession session = request.getSession(false);
session.setAttribute(message_success1, submit_value);
if(file_error.equals("")){
session.setAttribute(message_failure_bulk, db_error);
}else{
session.setAttribute(message_failure_bulk, file_error);
}
response.sendRedirect("userNew.jsp");
}
if (!connection.isClosed()) {
connection.rollback();
}
} catch (SQLException ex1) {
HttpSession session = request.getSession(false);
session.setAttribute(message_failure, db_error);
response.sendRedirect("userNew.jsp");
}
} finally {
FileUtils.cleanDirectory(new File(getServletContext().getRealPath("") + File.separator + UPLOAD_DIRECTORY));
if (file_error.equals("")) {
if (submit_value.equals("Add")) {
PrintWriter out = response.getWriter();
int user_limit = checkUserLimit();
if (user_limit == 0) {
out.println("<script type=\"text/javascript\">");
out.println("alert('" + success + ". You have exceeded the active users limit. Please upgrade the subscription.');");
out.println("location='userList.jsp';");
out.println("</script>");
} else {
HttpSession session = request.getSession(false);
session.setAttribute(message_success1, submit_value);
session.setAttribute(message_success, success);
response.sendRedirect("userNew.jsp");
}
} else if (submit_value.equals("Submit")) {
PrintWriter out = response.getWriter();
int user_limit = checkUserLimit();
if (user_limit == 0) {
out.println("<script type=\"text/javascript\">");
out.println("alert('" + success + ". You have exceeded the active users limit. Please upgrade the subscription.');");
out.println("location='userList.jsp';");
out.println("</script>");
} else {
HttpSession session = request.getSession(false);
session.setAttribute(message_success1, submit_value);
session.setAttribute(message_success_bulk, success);
response.sendRedirect("userNew.jsp");
}
}
}
try {
if (!statement.isClosed()) {
statement.close();
}
if (!connection.isClosed()) {
connection.close();
}
} catch (SQLException ex) {
HttpSession session = request.getSession(false);
session.setAttribute(message_failure, db_error);
response.sendRedirect("userNew.jsp");
}
}
}
public void readXlsx(File inputFile) throws FileNotFoundException, IOException, Exception {
connectToServer();
XSSFWorkbook wb = new XSSFWorkbook(new FileInputStream(inputFile));
if (wb.getSheet("Users") == null) {
file_error = file_error + "<br/>Sheet 'Users' not found in uploaded file.";
throw new Exception();
}
XSSFSheet sheet = wb.getSheet("Users");
Iterator<Row> rowIterator = sheet.iterator();
getValue(rowIterator);
}
public void readXls(File inputFile) throws FileNotFoundException, IOException, Exception {
connectToServer();
HSSFWorkbook wb = new HSSFWorkbook(new FileInputStream(inputFile));
if (wb.getSheet("Users") == null) {
file_error = file_error + "<br/>Sheet 'Users' not found in uploaded file.";
throw new Exception();
}
HSSFSheet sheet = wb.getSheet("Users");
Iterator<Row> rowIterator = sheet.iterator();
getValue(rowIterator);
}
public void getValue(Iterator<Row> rowIterator) throws FileNotFoundException, IOException, Exception,
ClassNotFoundException, SQLException, IllegalAccessException, InstantiationException {
List<String> inserts = new ArrayList<>();
type = new ArrayList<>();
names = new ArrayList<>();
numbers = new ArrayList<>();
email_ids = new ArrayList<>();
passwords = new ArrayList<>();
login_ids = new ArrayList<>();
group_names = new ArrayList<>();
Row row;
Cell cell;
int count = 1, allowed_limit = 0;
boolean error = false;
rowIterator.next();
while (rowIterator.hasNext()) {
row = rowIterator.next();
error = false;
count = count + 1;
ArrayList<String> array = new ArrayList<>();
for (int i = 0; i < 8; i++) {
cell = row.getCell(i);
if (cell == null) {
array.add("");
continue;
}
cell.setCellType(Cell.CELL_TYPE_STRING);
switch (cell.getCellType()) {
case Cell.CELL_TYPE_BOOLEAN:
array.add("" + cell.getBooleanCellValue());
System.out.println(cell.getBooleanCellValue());
break;
case Cell.CELL_TYPE_NUMERIC:
System.out.println(cell.getNumericCellValue());
array.add("" + cell.getNumericCellValue());
break;
case Cell.CELL_TYPE_STRING:
System.out.println(cell.getStringCellValue().trim());
array.add(cell.getStringCellValue());
break;
case Cell.CELL_TYPE_BLANK:
array.add("" + cell.getStringCellValue());
break;
}
}
if (array.get(0).equals("") && array.get(1).equals("") && array.get(2).equals("") && array.get(3).equals("") && array.get(4).equals("") && array.get(5).equals("") && array.get(6).equals("") && array.get(7).equals("")) {
break;
} else {
String status_check = array.get(6).trim();
if (status_check.equals("Active")) {
allowed_limit = allowed_limit + 1;
}
}
if (!getUserLimit().equals("")) {
int getUserLimits = Integer.parseInt(getUserLimit());
if (allowed_limit > getUserLimits) {
file_error = "<br/>You have exceeded the active users limit. Please upgrade the subscription.";
throw new Exception();
}
}
user_type = array.get(0).trim();
login_id = array.get(1).trim();
first_name = array.get(2).trim();
last_name = array.get(3).trim();
user_number = array.get(4).trim();
email_id = array.get(5).trim();
user_status = array.get(6).trim();
group_name = array.get(7).trim();
if (numbers.contains(user_number)) {
file_error = file_error + "<br/>XLS Row No." + count + ": Duplicate mobile number found.";
error = true;
}
if (email_ids.contains(email_id)) {
file_error = file_error + "<br/>XLS Row No." + count + ": Duplicate Email Id found.";
error = true;
}
if (login_ids.contains(login_id)) {
file_error = file_error + "<br/>XLS Row No." + count + ": Duplicate Login Id found.";
error = true;
}
names.add(first_name);
numbers.add(user_number);
if (!group_name.equals("")) {
group_names.add(group_name);
}
if (!email_id.equals("")) {
email_ids.add(email_id);
}
login_ids.add(login_id);
String exp1 = "^[a-z|A-Z|]+[a-z|A-Z|0-9]*";
if (login_id.equals("") || login_id.length() < 3) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide a Login ID with minimum 3 characters";
error = true;
}
if (!login_id.isEmpty()) {
if (login_id.length() > 30) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide a Login ID within 30 characters.";
error = true;
} else if (!login_id.matches(exp1)) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide a Login ID with first letter alphabet";
error = true;
} else {
ResultSet resultSet1 = statement.executeQuery("select user_id from user_account where login_id='" + login_id + "'");
if (resultSet1.next()) {
file_error = file_error + "<br/>XLS Row No." + count + ": Login id entered is already in use. Please choose a different Login id.";
error = true;
}
}
}
if (user_type.equals("")) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please enter a valid user type.";
error = true;
}
String name_reg = "[A-Za-z ]*";
if (first_name.equals("") || first_name.length() < 3) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please enter a first name with minimum three characters length.";
error = true;
} else if (first_name.length() > 30) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide first name with length less than 30 characters.";
error = true;
} else if (!first_name.matches(name_reg)) {
file_error = file_error + "<br/>XLS Row No." + count + ": First name contain only alphabets and space.";
error = true;
}
if (!last_name.isEmpty()) {
if (last_name.length() > 30) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide last name with length less than 30 characters.";
error = true;
} else if (!last_name.matches(name_reg)) {
file_error = file_error + "<br/>XLS Row No." + count + ": Last name contain only alphabets and space.";
error = true;
}
}
String exp = "[1-9][0-9]{9}";
if (user_number.equals("") || user_number.length() < 10 || user_number.length() > 10) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please enter a valid 10 digits mobile number.";
error = true;
} else if (!user_number.matches(exp)) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please enter a valid 10 digits mobile number.";
error = true;
} else {
user_number = user_number.split("\\.")[0];
for (int x = 0; x < user_number.length(); x++) {
if (!Character.isDigit(user_number.charAt(x))) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please enter a valid 10 digits mobile number starting with 9, 8 or 7.";
error = true;
break;
}
}
}
if (user_status.equals("")) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide user status as 'active' or 'inactive'";
error = true;
}
ResultSet resultSet = statement.executeQuery("select user_id from user_account where mobile_no='" + user_number + "'");
if (resultSet.next()) {
file_error = file_error + "<br/>XLS Row No." + count + ": Mobile number entered is already in use. Please enter a different number.";
error = true;
}
if (!email_id.isEmpty()) {
String emailReg = "^([\\w-\\.]+@([\\w-]+\\.)+[\\w-]{2,4})?$";
if (!email_id.matches(emailReg)) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide a valid email address.";
error = true;
} else if (email_id.length() > 30) {
file_error = file_error + "<br/>XLS Row No." + count + ": Please provide email id with length less than 30 characters.";
error = true;
} else {
ResultSet resultSet1 = statement.executeQuery("select user_id from user_account where email_id='" + email_id + "'");
if (resultSet1.next()) {
file_error = file_error + "<br/>XLS Row No." + count + ": Email id entered is already in use. Please choose a different email id.";
error = true;
}
}
}
///changes are required
String user_type_id = null;
ResultSet resultSet3 = statement.executeQuery("select * from user_type where user_type_name='" + user_type + "'");
if (resultSet3.next()) {
user_type_id = resultSet3.getString("user_type_id");
type.add(user_type_id);
}
if (!file_error.equals("")) {
continue;
} else {
URL connectURL = new URL(password_path);
BufferedReader in = new BufferedReader(new InputStreamReader(
connectURL.openStream()));
String inputLine;
StringBuilder password = new StringBuilder();
while ((inputLine = in.readLine()) != null) {
password.append(inputLine);
}
in.close();
int uid = 0;
String encrypted = AESCrypt.bytesToHex(aESCrypt.encrypt(password.toString()));
passwords.add(password.toString());
String query = "insert into user_account(user_type_id,first_name,last_name,mobile_no,email_id,status,login_id,password,login_flag,last_gen_pw_ts,last_updated_ts)values('" + user_type_id + "','" + first_name + "','" + last_name + "','" + user_number + "','" + email_id + "','" + user_status + "','" + login_id + "','" + encrypted + "',0,'" + ist.getLastUpdatedts() + "','" + ist.getLastUpdatedts() + "')";
// inserts.add(query);
statement.executeUpdate(query, Statement.RETURN_GENERATED_KEYS);
// connection.commit();
ResultSet rs2 = statement.getGeneratedKeys();
if (rs2.next()) {
uid = rs2.getInt(1);
}
if (!group_name.equals("")) {
String query1 = "select group_id from user_group where group_name='" + group_name + "'";
ResultSet resultset1 = statement.executeQuery(query1);
if (resultset1.next()) {
int gid = 0;
gid = Integer.parseInt(resultset1.getString("group_id"));
statement.executeUpdate("insert into user_group_allocation(group_id,user_id,last_updated_ts)values('" + gid + "','" + uid + "','" + ist.getLastUpdatedts() + "')");
} else {
int gid = 0;
String query4 = "insert into user_group(group_name,group_desc,status,last_updated_ts)values('" + group_name + "','','Active','" + ist.getLastUpdatedts() + "')";
statement.executeUpdate(query4, Statement.RETURN_GENERATED_KEYS);
ResultSet rs3 = statement.getGeneratedKeys();
if (rs3.next()) {
gid = rs3.getInt(1);
}
statement.executeUpdate("insert into user_group_allocation(group_id,user_id,last_updated_ts)values('" + gid + "','" + uid + "','" + ist.getLastUpdatedts() + "')");
}
}
}
}
if (!file_error.equals("")) {
throw new Exception();
}
connection.commit();
// for (int i = 0; i < names.size(); i++) {
// SendSMS(names.get(i), numbers.get(i), passwords.get(i), login_ids.get(i));
// }
// for (int i = 0; i < email_ids.size(); i++) {
// SendMail(names.get(i), email_ids.get(i), passwords.get(i), login_ids.get(i));
// }
}}