请用java语言写一个数据驱动模式包含邮件发送、HTMLTestRuner生成测试报告、yaml配置文件读取、excel和csv、json文件读取，数据库连接的自动化测试工具类

非常感谢您的问题。以下是一个简单的 Java 数据驱动测试框架，它包含邮件发送、HTMLTestRuner 生成测试报告、yaml 配置文件读取、excel 和 csv、json 文件读取，以及数据库连接的自动化测试工具类：

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import javax.mail.MessagingException;
import javax.mail.internet.AddressException;

import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.opencsv.CSVReader;
import com.opencsv.exceptions.CsvValidationException;
import com.testautomationguru.utility.Xls_Reader;

public class DataDrivenTest {

    private static final String CONFIG_FILE = "config.yaml";
    private static final String TEST_DATA_FILE = "test_data.xlsx";
    private static final String TEST_DATA_SHEET = "test_data";
    private static final String TEST_DATA_CSV = "test_data.csv";
    private static final String TEST_DATA_JSON = "test_data.json";
    private static final String DB_URL = "jdbc:mysql://localhost:3306/test";
    private static final String DB_USER = "root";
    private static final String DB_PASSWORD = "password";
    private static final String MAIL_TO = "test@test.com";
    private static final String MAIL_FROM = "test@test.com";
    private static final String MAIL_SUBJECT = "Test Report";

    private Properties config;
    private Connection conn;

    @BeforeClass
    public void setUp() throws IOException, SQLException {
        // Load configuration from YAML file
        ObjectMapper mapper = new ObjectMapper();
        config = mapper.readValue(new File(CONFIG_FILE), Properties.class);

        // Connect to database
        conn = DriverManager.getConnection(DB_URL, DB_USER, DB_PASSWORD);
    }

    @AfterClass
    public void tearDown() throws SQLException {
        // Close database connection
        conn.close();
    }

    @Test(dataProvider = "testData")
    public void test(String input1, String input2, String expectedOutput) {
        // Perform test
        String actualOutput = input1 + input2;
        Assert.assertEquals(actualOutput, expectedOutput);
    }

    @DataProvider(name = "testData")
    public Object[][] testData() throws IOException, CsvValidationException {
        // Read test data from Excel file
        Xls_Reader xls = new Xls_Reader(TEST_DATA_FILE);
        int rows = xls.getRowCount(TEST_DATA_SHEET);
        List<Object[]> testData = new ArrayList<Object[]>();
        for (int i = 2; i <= rows; i++) {
            String input1 = xls.getCellData(TEST_DATA_SHEET, "Input1", i);
            String input2 = xls.getCellData(TEST_DATA_SHEET, "Input2", i);
            String expectedOutput = xls.getCellData(TEST_DATA_SHEET, "ExpectedOutput", i);
            testData.add(new Object[] { input1, input2, expectedOutput });
        }

        // Read test data from CSV file
        CSVReader csv = new CSVReader(new FileInputStream(TEST_DATA_CSV));
        String[] headers = csv.readNext();
        while (true) {
            String[] row = csv.readNext();
            if (row == null) {
                break;
            }
            String input1 = row[0];
            String input2 = row[1];
            String expectedOutput = row[2];
            testData.add(new Object[] { input1, input2, expectedOutput });
        }

        // Read test data from JSON file
        ObjectMapper mapper = new ObjectMapper();
        Map<String, Object> json = mapper.readValue(new File(TEST_DATA_JSON), Map.class);
        List<Map<String, String>> jsonTestData = (List<Map<String, String>>) json.get("test_data");
        for (Map<String, String> row : jsonTestData) {
            String input1 = row.get("Input1");
            String input2 = row.get("Input2");
            String expectedOutput = row.get("ExpectedOutput");
            testData.add(new Object[] { input1, input2, expectedOutput });
        }

        return testData.toArray(new Object[testData.size()][]);
    }

    @Test(dependsOnMethods = "test")
    public void sendTestReport() throws AddressException, MessagingException, IOException {
        // Generate HTML test report
        HTMLTestRunner.run();

        // Send test report by email
        String mailBody = "Please find attached the test report.";
        String mailAttachment = HTMLTestRunner.getReportFile();
        MailSender.sendMail(MAIL_TO, MAIL_FROM, MAIL_SUBJECT, mailBody, mailAttachment);
    }

    private Map<String, String> getConfig(String key) {
        Map<String, String> result = new HashMap<String, String>();
        String value = config.getProperty(key);
        String[] parts = value.split(",");
        for (String part : parts) {
            String[] keyValue = part.split(":");
            result.put(keyValue[0], keyValue[1]);
        }
        return result;
    }

    private ResultSet executeQuery(String query) throws SQLException {
        Statement stmt = conn.createStatement();
        ResultSet rs = stmt.executeQuery(query);
        return rs;
    }

}

请注意，此代码仅用于演示目的，您需要根据您的具体需求进行修改和扩展。