18 lines
578 B
Java
18 lines
578 B
Java
package mysql;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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public class CheckRegister {
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public static ResultSet MyAccount(String username) throws SQLException {
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String sql = "SELECT* FROM register where username = ?";
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ResultSet resultSet;
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PreparedStatement preparedStatement;
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preparedStatement = JDBC.getConnection().prepareStatement(sql);
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preparedStatement.setString(1, username);
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resultSet = preparedStatement.executeQuery();//查询数据
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return resultSet;
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}
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}
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