prepareStatement(java.lang.String, java.lang.String[])这个method没有实现
如果不实现就将class改成abstract class,implement了Connect这个interface,就要实现他所有的方法
如果不实现就将class改成abstract class,implement了Connect这个interface,就要实现他所有的方法
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public PreparedStatement prepareStatement(String sql) throws SQLException {
return connection.prepareStatement(sql);
}
不就是实现的吗?
int getHoldability() throws SQLException;
Savepoint setSavepoint() throws SQLException;
Savepoint setSavepoint(String name) throws SQLException;
void rollback(Savepoint savepoint) throws SQLException;
void releaseSavepoint(Savepoint savepoint) throws SQLException;
Statement createStatement(int resultSetType, int resultSetConcurrency,int resultSetHoldability) throws SQLException;
PreparedStatement prepareStatement(String sql, int resultSetType,int resultSetConcurrency, int resultSetHoldability)hrows SQLException;
CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException;
PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException;
PreparedStatement prepareStatement(String sql, int columnIndexes[]) throws SQLException;
PreparedStatement prepareStatement(String sql, String columnNames[]) throws SQLException;
谢谢pleonheart(只睡六小时)