java Annotation 拼装SQL语句

声明字段映射
@Target(ElementType.FIELD)  
@Retention(RetentionPolicy.RUNTIME) 
public @interface FiledRef
{
    String fieldName();
}
声明表映射
@Target(ElementType.TYPE)  
@Retention(RetentionPolicy.RUNTIME)
public @interface TableRef
{
    String tableName();
}
测试类
@TableRef(tableName = "MobDevice")
public class ReflectTest
{
    @FiledRef(fieldName = "ID")
    private Long id;
    @FiledRef(fieldName = "DEVICE_NAME")
    private String name;
    @FiledRef(fieldName = "DEVICE_CODE")
    private String code;
    public ReflectTest(Long id, String name, String code)
    {
        this.id = id;
        this.name = name;
        this.code = code;
    }
    public Long getId()
    {
        return id;
    }
    public void setId(Long id)
    {
        this.id = id;
    }
    public String getName()
    {
        return name;
    }
    public void setName(String name)
    {
        this.name = name;
    }
    public String getCode()
    {
        return code;
    }
    public void setCode(String code)
    {
        this.code = code;
    }
    /**
     * @description
     * @author zhangml