所需的Maven

<dependencies>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>3.9</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml</artifactId>
        <version>3.9</version>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.45</version>
    </dependency>
</dependencies>

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDataFormatter;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import
 
 java.io.File;
import java.io.FileInputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class Excel {
    public static void main(String[] args) {
        //jdbc的連線部分
        String driver = "com.mysql.jdbc.Driver";
        
 
//資料庫
        String url = "jdbc:mysql://127.0.0.1:3306/spms_bs?useUnicode=true&characterEncoding=UTF8&useSSL=false";
        Connection conn = null;
        Statement statement = null;

        //資料庫欄位資訊
        String uid = "";
        String uname;
        String usex;
        //從表格中匯入的資料存放在這裡
        StringBuilder values = new StringBuilder();

        try {
            Class.forName(driver);
            conn = (Connection) DriverManager.getConnection(url, "root", "123456");
        } catch (Exception e) {
            System.err.println("JDBC沒有啟動成功");
            e.printStackTrace();
        }
        //建立要上傳檔案物件
        File file = new File("C:\\Users\\Administrator\\Desktop\\測試表格.xlsx");
        //讀取檔案
        try {
            FileInputStream excelFile = new FileInputStream(file);
            //這裡注意Excel的版本
            //HSSF對應97-2003版本的Excel(.xls)，XSSF則對應2007版本的Excel(.xlsx)。
            XSSFWorkbook xssfWorkbook = new XSSFWorkbook(excelFile);
//            如果有多個sheety頁面獲取excel中的sheet頁
//            for (int sheetXssf = 0; sheetXssf < xssfWorkbook.getNumberOfSheets(); sheetXssf++) {
//                XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(sheetXssf);
//                //如果為空表就跳過
//                if (xssfSheet.getLastRowNum() == 0) {
//                    continue;
//                }
//            }
            //獲取內容
            XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
            for (int numRow = 1; numRow <= xssfSheet.getLastRowNum(); numRow++) {
                XSSFRow xssfRow = xssfSheet.getRow(numRow);
                //獲取行資訊
                XSSFCell num = xssfRow.getCell(0);
                //因為數字預設是double型別的，所以這裡要進行一下轉換
                //判斷資料型別是否為數字型別
                if (num.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                    HSSFDataFormatter dataFormatter = new HSSFDataFormatter();
                    //轉換成String型別
                    uid = dataFormatter.formatCellValue(num);
                }
                uname = xssfRow.getCell(1).toString();
                usex = xssfRow.getCell(2).toString();
                //拼接資料
                values.append("(" + uid + ",'" + uname + "','" + usex + "'),");
                System.out.println(values);
            }
            //去除掉最後一個",",避免語句錯誤
            if (',' == values.charAt(values.length() - 1)) {
                values = values.deleteCharAt(values.length() - 1);
            }
        } catch (Exception e) {
            System.err.println("檔案讀取失敗");
            e.printStackTrace();
        }
        //建立sql語句
        String sql = "insert into tspti01(uid,uname,usex) values" + values;
        System.out.println(sql);
        try {
            //執行語句插入資料
            statement = conn.createStatement();
            int result = statement.executeUpdate(sql);

            if (result > 0) {
                System.out.println("插入成功");
            } else {
                System.out.println("插入失敗");
            }

        } catch (SQLException e) {
            System.err.println("資料庫插入異常");
            e.printStackTrace();
        } finally {
            //關閉資源
            try {
                if (statement != null) {
                    statement.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

    }
}