Question

为什么一切都这样？ http://cs621724.vk.me/v621724427/19ade/rqgKgpzZPbU.jpg

create table b(tt varchar(2));
insert into b select 'ы ';
SELECT * FROM allservices.b;

Workbench的结果是 #tt 'ы' 但是用jdbc ......

        connection = initConnection();
        statement = connection.prepareCall("select tt from b where tt like '%ы%'");
        resultSet = statement.executeQuery();
        System.out.println("----------");
        while (resultSet.next()) {
            System.out.println(resultSet.getString("tt"));
        }
        System.out.println("==========");
        statement = connection.prepareCall("select tt from b where tt like '%'");
        resultSet = statement.executeQuery();
        System.out.println("----------");
        while (resultSet.next()) {
            System.out.println(resultSet.getString("tt"));
        }
        System.out.println("==========");

结果是： ---------- ========== ---------- ы ==========

Answer 1

set names utf8;  -- To say your client is using utf8 encoding
create table b(tt varchar(2) CHARACTER SET utf8);  -- to say the column is utf8

插入后，请执行以下操作：

mysql> select hex(tt) from b;
+---------+
| hex(tt) |
+---------+
| D18B20  |  -- You should see this.  D18B is the yery ('ы') character; 20 is space. 
+---------+

与MySQL和jdbc一样的运算符和西里尔符号

1 个答案: