java使用纯jdbc连接mysql中文数据库乱码，请教。。。。。。

Question

使用纯jdbc创建一个中文数据库，创建成功后连接到该中文数据库并建立中文表、中文字段 。提示Unknown database 。求教：：：：：：：：：：：
错误：

代码：
package com.tq.platform.test;

import java.sql.*;

public class Test {
// JDBC驱动 和 URL
static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
static final String DB_URL = "jdbc:mysql://localhost/";

// 数据库连接认证
static final String USER = "root";
static final String PASS = "123456";

@SuppressWarnings("resource")
public static void main(String[] args) {
    Connection conn = null;
    Statement stmt = null;
    String sql = "";
    try {

        Class.forName(JDBC_DRIVER);
        System.out.println("Connecting to database...");
        conn = DriverManager.getConnection(DB_URL, USER, PASS);
        System.out.println("Creating database...");
        stmt = conn.createStatement();
        sql = "CREATE DATABASE `测试数据库`  character set utf8";
        stmt.executeUpdate(sql);
        System.out.println("Database created successfully...");
        String test_URL = "jdbc:mysql://localhost:3306/`测试数据库`?useUnicode=true&characterEncoding=utf-8";
        conn = DriverManager.getConnection(test_URL, USER, PASS);
        sql = "CREATE table `表1`(`字段1` varchar(20),`字段2` int)";
        stmt.executeUpdate(sql);
        sql = "select * from `表1`";
        stmt.executeQuery(sql);


    } catch (SQLException se) {
        se.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (stmt != null)
                stmt.close();
        } catch (SQLException se2) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (SQLException se) {
            se.printStackTrace();
        } 
    } 
    System.out.println("Goodbye!");
}

}

Answer 1

我试了下 ，String test_URL = "jdbc:mysql://localhost:3306/测试数据库?useUnicode=true&characterEncoding=utf-8"; 会报如下错误：java.sql.SQLSyntaxErrorException: Unknown database '???è????°?????“'，
改成 测试数据库 后错误消失了