Now many web site webmaster is keen to play Bo write Bo, which of course, including the author himself.
Blog Webmaster Although a lot, and the webmaster to write Bo attitude and purpose is not exactly the same. For already open Bo write Bo or is about to open
relationship to a PO.Create a BO object to process the resume. Each BO contains the PO.In this way, we can process the business logic for BO.VO:Value objectViewObject presentation layer objectIt mainly corresponds to the Data Objects displayed on the interface. For a WEB page, or a SWT or SWING interface, use a VO object to correspond to the value of the entire interface.DTO:Data Transfer ObjectIt is mainl
PO BO VO DTO POJO DAO Concept and its role (with conversion chart)Blog Category:
Java
JavadaovopojoboThe large number of professional abbreviations in the development of the Java EE is confusing, especially for new graduates who are not clear-minded.If with the company Daniel talk about technical people export is PO VO BO DTO POJO DAO, etc., so that the new people are extremely admired Daniel.
Let's say I created the following very simple custom Bo in cloud Studio:I want to generate some examples of this bo. My previous practice was to create an editing UI for this custom Bo. Then use these UI to create a Bo instance. This is a time-consuming approach.There is another easy way to do this: no UI required, but
Very different ~ BW is the data part (equivalent to Data Modeling and storage). Bo is used to display the data front-end in BW (that is, the report part. Bo has multiple report implementation tools) 1. sap bw refers to SAP Business Warehouse, that is, sap dw (data warehouse) referred to in SAP 7.0. Now everyone is called DW. If you are a bi engineer, I must know DW and
[Author: Zhang banquet this article version: V1.1 final modification: 2009.12.01 reprinted please indicate the original article link: http://blog.s135.com/bo-blog_nginx_rewrite/]
Bo-blog is a single-user blog program developed using PHP. My blog also uses Bo-blog. I personally think it is much better to typeset and use Bo
One, Po:persistant object persistent objects, can be seen as a Java object mapped to a table in the database. The simplest PO is a record in a table in the corresponding database, and multiple records can be used with a collection of PO. The PO should not contain any operations on the database.Two, Vo:value object value objects. Typically used for data transfer between business tiers, as is the case with PO, which contains only data. But it should be abstracted out of the business object that ca
Early 2012 Micro Bo on the most fire topic, is undoubtedly "China's most cattle e-commerce site"--12306.cn and one night the red Baidu hr Liu Dong Jocelin, Liu Dong Jocelin Sina Weibo fans in two days increased to 10 tens of thousands of, some say is hype, some say is accidental, concrete truth, We do not too much to discuss, I will say yesterday to use Baidu HR Liu Dong incident to my personal small station to import traffic some effect.
The traditi
Sqrt BoTime limit:2000/1000 MS (java/others) Memory limit:131072/131072 K (java/others)Total submission (s): 1173 Accepted Submission (s): 528problem DescriptionLet ' s define the functionf(n)=⌊n−−√⌋ .Bo wanted to know the minimum numberywhich satisfiesfy(n)=1 .NoteF1(N)=F(N),fy(n)=F(fy−1(n)) It is a pity, so Bo can only use 1 unit of time to calculate this function each time.And
Sqrt BoTime limit:2000/1000 MS (java/others) Memory limit:131072/131072 K (java/others)Total submission (s): 980 Accepted Submission (s): 452Problem Descriptionlet ' s define the functionf(n)=⌊n√⌋ .Bo wanted to know the minimum numberywhich satisfiesfy(n)=1 .NoteF1(N)=F(N),fy(n)=F(fy−1(n)) It is a pity, so Bo can only use 1 unit of time to calculate this function each time.And
//----------------------------------------------------------------// Copyright (c) 2012 Shanghai Internet software Co., Ltd.// All Rights Reserved.// All Rights Reserved.//// File name: Bo // File function description:////// Create an ID: //// Modify the ID:// Modify the description://----------------------------------------------------------------Using system;Using system. Collections. Generic;Using system. text;Using beyondbit. Framework. Biz;Using
One, in the Java EE, often mention several objects (object), understanding their meaning can help us to better understand the object-oriented design thinking.
ORM is an abbreviation for Object Relational Mapping "Objects relational Mapping"The popular point is that the object is bound to the relational database, and the object is used to represent the relational data. In the world of O/rmapping,There are a series of important objects, common with Vo,po,dto,pojo,dao,
Java object (PO, BO, VO, DTO, POJO, DAO, Entity, JavaBean, JavaBeans) differentiation, pojojavabeans
PO: persistent object), Po (persistent object) is the Entity in the Object/Relation Mapping Framework. Each attribute of po basically corresponds to a field in the database table. It is a pure Java object that complies with the Java Bean specifications without adding other attributes and methods. Persistent objects are created by the insert database an
Recently in the write interface to Android, where server data needs to define VO (Value object) object for encapsulation transportFor Vo, PO, BO, Qo,dao,pojo concept is still relatively vague, so here to record:The O/R Mapping is an abbreviation for the Object Relational Mapping. The popular point is that the object is bound to the relational database, and the object is used to represent the relational data. In the world of O/R Mapping, there are two
Vo is a mapping to a table in a database, and a table corresponds to a VODAO is to use VO to access the real table, the operation of the database is done in DAOBo is the business layer that does the logical processingVO, PO, BO, QO, DAO, POJOThe O/R Mapping is an abbreviation for the Object Relational Mapping.The popular point is that the object is bound to the relational database, and the object is used to represent the relational data. In the O/RIn
PO (named bean,entity, etc.) : persistant Object Persistent objects, the display state of records in a database table in a Java object The most vivid understanding is that a PO is a record in the database. The advantage is that a record can be processed as an object and can be easily converted to other objects. BO (named service,manager,business): Business Object Business Objects The main role is to encapsulate the business logic as an object. T
Business Chamber of Commerce operation is Bo once rich three generations of industry? 650) this.width=650; "style=" height:80px; "id=" Paperpicarea "class=" Lp_pic_type_3 "src=" Http://user.qzone.qq.com/ac /b.gif "alt=" B.gif "/>in the industry people feel not to join the people too silly, such a simple thing these people can not understand, we know just met this industry when there will be a lecturer told us 3800 can earn 3.8 million, 69800 can earn
Today with you to share some of the choice of water purifier knowledge, some very professional things may be the choice of water purifier when you do not understand, so I would like to briefly say.First of all, we probably think that the more the filter, the better, in fact, is not the case, there may be a lot of the market like a eight-level filter so look very powerful water purifier, but the basic is the PP cotton and activated carbon circulating filtration, this effect is really not very lar
The large number of professional abbreviations in the development of Java EE is confusing, especially with some experts to discuss the problem, three minutes by someone's mouth full of professional terminology spray halo, PO VO BO DTO POJO DAO, a lot of it came (heard Old Luo's critique of this phenomenon friend will smile). First of all, I am not a master of the statement, the following summary is their own experience. Please advise me on the wrong p
Po (persistant object) Persistent ObjectThe concept that appears during o/R ing does not exist if there is no o/R ing. usually it corresponds to the data model (database), and some business logic is processed. it can be seen as a Java object mapped to tables in the database. the simplest Po is to correspond to a record in a table in the database. A set of PO can be used for multiple records. the PO should not contain any database operations.
VO (Value Object) Value ObjectIt is usually used for
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