mybatis insert operation returns the primary key

Mybatis insert statement writing

<insert id="insertSelective" useGeneratedKeys="true" keyProperty="fileId" parameterType="fileAlias" >
    insert into t_file_info ...
</insert>

useGeneratedKeys: whether to generate a primary key The

key is to write keyProperty = "fileId " fileId corresponds to the attribute value of the fileAlias ​​entity class

public class TFileInfo extends BaseModel implements Serializable {
    private Integer fileId;
    private String fileName;

//Save the
fileInfoDao.insertSelective(fileInfo);
//Return the ID
id = fileInfo.getFileId() ;

After the above sql is executed, the fileID in the fileInfo object will be automatically appended with the fileId and

transferred from http://my.oschina.net/francis0115/blog/193543