7，java 读取jdbc.properties并解析

package com.zbiti.fr;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.XML;

import java.io.*;
import java.sql.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class TestMain {
    // JDBC driver name and database URL
    static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    static final String DB_URL = "jdbc:mysql://127.0.0.1/demo?characterEncoding=utf-8&useSSL=false";

    //  Database credentials
    static final String USER = "root";
    static final String PASS = "root";

    //获取文件信息；
    public void dataSourceMess() throws  Exception{
        InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("jdbc.properties");
        Properties  props = new Properties();
        props.load(inputStream);
        System.out.println( props.getProperty("spring.datasource.driver-class-name"));

    }
    public static JSONObject convertXmlIntoJSONObject (String xml){
        JSONObject jsonObject=new JSONObject();
        try {
            Document xmlDocument = DocumentHelper.parseText(xml);
            OutputFormat format = new OutputFormat();
            format.setEncoding("UTF-8");
            format.setExpandEmptyElements(true);
            StringWriter out = new StringWriter();
            XMLWriter writer = new XMLWriter(out, format);
            try {
                writer.write(xmlDocument);
                writer.flush();
            } catch (IOException e) {
                e.printStackTrace();
            }
            //out.toString() 此结果为xml的<a></a>格式
            jsonObject= XML.toJSONObject(out.toString());
        } catch (DocumentException e1) {
            e1.printStackTrace();
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return jsonObject;
    }
    public static void main(String[] args) throws Exception {
        TestMain testMain = new TestMain();
        testMain.dataSourceMess();

//        Map<String, String> map = new HashMap<>();
//        map.put("personnel_account", "1中");
//        map.put("access_url", "2");
//        map.put("access_report_name", "3");
//        map.put("access_time", "2022-05-31 02:00:00");
//        map.put("parameter_details", "4");
//        map.put("is_successful", "5");
//        Connection conn = null;
//        Statement stmt = null;
//        String tableName="finereport_sso_oper_log";
//        Map connectionMap =new HashMap();
//        try {
//            //建立连接
//            connectionMap = connection(conn,stmt);
//            connectionMap.put("tableName",tableName);
//            //插入数据
//            insertDatabase(connectionMap,map);
//
//        }catch (Exception e){
//            throw  e;
//        }finally {
//            //关闭连接
//            closeConnection(connectionMap);
//        }

        // wholeInsertData(map, tableName);
    }

    /**
     * @return void
     * @Author wangjin
     * @Description //
     * @Date 2022/5/31 0031
     * @Param [map()字段和值的集合, tableName(表名)]
     **/
    public static void wholeInsertData(Map<String, String> map, String tableName) throws Exception {
        Connection conn = null;
        Statement stmt = null;
        try {
            //STEP 2: Register JDBC driver
            Class.forName("com.mysql.jdbc.Driver");
            conn = DriverManager.getConnection(DB_URL, USER, PASS);
            stmt = conn.createStatement();
            //表字段
            StringBuffer column = new StringBuffer();
            //表字段对应的值
            StringBuffer values = new StringBuffer();
            //循环map获取表的字段和对应的值
            for (String key : map.keySet()) {
                String value = map.get(key);
                column.append("`").append(key).append("`").append(",");
                values.append("'").append(value).append("'").append(",");
            }
            //拼接sql
            String sql = "INSERT INTO  " + tableName + "(" + column.deleteCharAt(column.length() - 1) + ")"
                    + "VALUES (" + values.deleteCharAt(values.length() - 1) + ")";
            //执行sql
            stmt.executeUpdate(sql);

        } catch (Exception e) {
            throw e;
        } finally {
            try {
                if (stmt != null) {
                    conn.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException se) {
                throw se;
            }
        }
    }

    /**
     * @return * @return: null
     * @Author wangjin
     * @Description //建立连接
     * @Date 2022/5/31 0031
     * @Param * @param null:
     **/
    public static Map connection(Connection conn, Statement stmt) throws Exception {
        try {
            //STEP 2: Register JDBC driver
            Class.forName("com.mysql.jdbc.Driver");
            conn = DriverManager.getConnection(DB_URL, USER, PASS);
            stmt = conn.createStatement();
            Map map = new HashMap();
            map.put("conn", conn);
            map.put("stmt", stmt);
            return map;
        } catch (Exception e) {
            throw e;
        }

    }

    /**
     * @return void
     * @Author wangjin
     * @Description //插入数据
     * @Date 2022/6/1 0001
     * @Param [stmt, map, tableName]
     **/
    public static void insertDatabase(Map connectionMap, Map<String, String> map) throws SQLException {
        try {
            Statement stmt = (Statement) connectionMap.get("stmt");
            String tableName = (String) connectionMap.get("tableName");
            //表字段
            StringBuffer column = new StringBuffer();
            //表字段对应的值
            StringBuffer values = new StringBuffer();
            //循环map获取表的字段和对应的值
            for (String key : map.keySet()) {
                String value = map.get(key);
                column.append("`").append(key).append("`").append(",");
                values.append("'").append(value).append("'").append(",");
            }
            //拼接sql
            String sql = "INSERT INTO  " + tableName + "(" + column.deleteCharAt(column.length() - 1) + ")"
                    + "VALUES (" + values.deleteCharAt(values.length() - 1) + ")";
            //执行sql
            stmt.executeUpdate(sql);
        } catch (Exception e) {
            throw e;
        }
    }

    /**
     * @return void
     * @Author wangjin
     * @Description //关闭连接
     * @Date 2022/5/31 0031
     * @Param [conn, stmt]
     **/
    public static void closeConnection(Map connectionMap) throws Exception {
        try {
            Statement stmt = (Statement) connectionMap.get("stmt");
            Connection conn = (Connection) connectionMap.get("conn");
            if (stmt != null) {
                conn.close();
            }
            if (conn != null) {
                conn.close();
            }
        } catch (SQLException se) {
            throw se;
        }

    }


}