区域刷新，区域黑名单，世界黑名单完成
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224
src/main/java/com/yuyu/srwildentity/JDBC/JdbcSqlClass.java
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224
src/main/java/com/yuyu/srwildentity/JDBC/JdbcSqlClass.java
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package com.yuyu.srwildentity.JDBC;
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import org.bukkit.ChatColor;
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import java.sql.*;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.UUID;
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/**
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* @author 峰。
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* @version 1.0
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* @project SrDisassemble
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* @date 2024/6/19 16:05:42
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* @description JDBC
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*/
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public class JdbcSqlClass {
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private static String driver;
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private static String url;
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private static String user;
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private static String password;
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public static List<UUID> getUUIDByAreaAndEntity(String area, String entity){
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List<UUID> uuids = new ArrayList<>();
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Connection connection = openConnection();
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String sql = "select * from areaentity where area = '"+area+"' and entityname = '"+entity+"'";
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try {
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Statement statement = connection.createStatement();
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ResultSet resultSet = statement.executeQuery(sql);
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while (resultSet.next()) {
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uuids.add(UUID.fromString(resultSet.getString("uuid")));
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}
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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return uuids;
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}
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public static Connection openConnection() {
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//注册驱动
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try {
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Class.forName(JdbcSqlClass.driver);
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//获取连接
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Connection conn = DriverManager.getConnection(JdbcSqlClass.url, JdbcSqlClass.user, JdbcSqlClass.password);
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return conn;
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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public static String getDriver() {
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return driver;
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}
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public static String getUrl() {
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return url;
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}
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public static String getUser() {
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return user;
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}
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public static String getPassword() {
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return password;
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}
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public static void setDriver(String driver) {
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JdbcSqlClass.driver = driver;
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}
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public static void setUrl(String url) {
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JdbcSqlClass.url = url;
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}
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public static void setUser(String user) {
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JdbcSqlClass.user = user;
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}
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public static void setPassword(String password) {
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JdbcSqlClass.password = password;
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}
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public static void initTable() {
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try {
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Connection connection = openConnection();
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Statement stmt = connection.createStatement();
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//执行Sql语句
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String createTable = " create table if not exists areaentity\t( " +
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"area varchar(255) null comment '区域名称',\n" +
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" entityname varchar(255) null,\n" +
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" uuid varchar(255) null comment '实体uuid')";
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boolean rs = stmt.execute(createTable);
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String sql = "select column_name\n" +
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"from INFORMATION_SCHEMA.COLUMNS\n" +
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"where TABLE_NAME = 'areaentity'";
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//手动注入所有列
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List<String> columns = new ArrayList<>();
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columns.add("area");
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columns.add("entityname");
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columns.add("uuid");
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try {
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ResultSet resultSet = stmt.executeQuery(sql);
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List<String> lists = new ArrayList<>();
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int index = 0;
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while (resultSet.next()) {
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String columnName = resultSet.getString("column_name");
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lists.add(columnName);
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index++;
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}
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List<String> missColumn = new ArrayList<>();
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for (String columnName : columns) {
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if (!lists.contains(columnName)) {
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missColumn.add(columnName);
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}
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}
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//新增列
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for (String columnName : missColumn) {
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addColumn(columnName);
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}
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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connection.close();
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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private static int addColumn(String columns) {
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String sql = null;
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if (columns.equals("area")) {
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sql = "ALTER TABLE areaentity\n" +
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"ADD area varchar(255) null comment '区域名'";
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} else if (columns.equals("entityname")) {
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sql = "ALTER TABLE areaentity\n" +
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"ADD entityname varchar(255) null comment '打开gui的名称'";
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} else if (columns.equals("uuid")) {
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sql = "ALTER TABLE areaentity\n" +
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"ADD uuid varchar(255) null comment '实体uuid'";
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}
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if (sql != null) {
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try {
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Statement stmt = openConnection().createStatement();
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int i = stmt.executeUpdate(sql);
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return i;
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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return 0;
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}
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public static void setChartseUtf8() {
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try {
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Statement connection = openConnection().createStatement();
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//执行Sql语句
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String sql = "ALTER TABLE areaentity CONVERT TO CHARACTER SET utf8mb4;";
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boolean rs = connection.execute(sql);
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connection.close();
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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public static void deleteData(){
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//先清空数据库,再插入
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String sqlDelete = "DELETE FROM areaentity";
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Connection connection = openConnection();
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try {
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Statement statement = connection.createStatement();
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boolean execute = statement.execute(sqlDelete);
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if (execute){
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System.out.println(ChatColor.RED+"区域实体数据清空");
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}
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statement.close();
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connection.close();
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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public static void saveData(HashMap<UUID, String> hashMap){
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Connection connection = openConnection();
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try {
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Statement statement = connection.createStatement();
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for (UUID uuid : hashMap.keySet()) {
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String s = hashMap.get(uuid);
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String[] split = s.split("/");
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String area = split[0];
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String entity = split[1];
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String uuidString = uuid.toString();
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String sql = "INSERT INTO areaentity(area,entityname,uuid) VALUES('"+area+"','"+entity+"','"+uuidString+"')";
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statement.executeUpdate(sql);
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}
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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}
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