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A large number of professional acronyms in 2ee development are very confusing. Especially when discussing issues with some experts, I was dizzy by the technical terms in three minutes. Po VO Bo DTO pojo Dao, A lot of things are coming (friends who have heard of Lao Luo's criticism of this phenomenon will smile ). First of all, I declare that I am not a master. The following summary is my own experience. For more information, see. Po:Persistant Object

A large number of professional acronyms in J2EE development are confusing, especially when discussing issues with some experts, they were dizzy by the technical terms in three minutes. Po VO Bo DTO pojo Dao, A lot of stuff is coming. First of all, I declare that I am not a master. The following summary is my own experience. For more information, see. Po:Persistant Object Persistent Object A po is a record in the database.The advantage is that a record

From: http://blog.csdn.net/hlf48641715/archive/2008/12/25/3605789.aspx Several Java objects (PO, Vo, Dao, Bo, pojo)I. Po: persistence object of persistant object. It can be regarded as a Java object mapped to a table 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 operations on the database. Ii. VO: Value Object value object. It is us

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Invincible Bo PI Qian Kun big color-Previous Article: Usage Invincible Bo PI Qian Kun big color-Article: style description Invincible Bo PI Qian Kun big color-next article: script explanation Invincible Bo PI Qian Kun big color-support: Subsequent Updates Bored during the holidays, I went to a friend's house and fo

Read Catalogue 1.dao[data Access Object] data Access objects 2.dto[data Transfer Object] data transfer objects 3.po[persistant Object] Persistence layer objects 4.bo[bussiness Object] Business objects 5.vo[value Object] Value objects 4.pojo[plain ordiary Java Object] Simple Java objects Admire the ability to be complex and difficult to understand the technology, abstract into simple and easy to understand things peopl

What does vo, PO, BO, DAO, pojo mean in java?Recently in the project, met vo, my God ... Then learn to remember it together.Let's start with a simple explanation:the o/r Mapping is an abbreviation for the object relational Mapping. Simply put, the object is bound to the relational database, and the object is used to represent the relational Data.Java WEB three-tier Architecture We need to be skilled at it.VO: Value ObjectCreated with the new keyword,

object-oriented approach to deal with the problem.For example, if we have 100 fields in a table, then the corresponding PO has 100 attributes. However, as long as we display 10 fields on the interface, the client uses WebService to fetch the data, and there is no need to pass the entire PO object to the client, we can pass the result to the client with a DTO with only these 10 attributes. This also does not expose the service-side table structure. After reaching the client, if the object is use

the number of distributed calls, thereby improving the performance of distributed calls and reducing network load, but here I refer to the data transfer objects between the presentation layer and the service layer.VO (View object) value ObjectA View object, used for the presentation layer, that encapsulates all the data for a specified page (or component).BO (business object) service objectFrom the business model perspective, see the domain objects i

network load, but here I refer to the data transfer objects between the presentation layer and the service layer.VO (View object) Value ObjectA View object, used for the presentation layer, that encapsulates all the data for a specified page (or component).BO (business object) service objectFrom the business model perspective, see the domain objects in the UML component Domain model. A Java object that encapsulates the business logic, by invoking the

August 9, the famous Internet veteran Zhang Yingjun on his personal blog, said that its operating Bo Yi Network (anyp.cn) because some personal sites have violated content, by the higher authorities closed. The news is really shocking! In shock, there are four questions? The question is, "because of some of the angry mouse excrement" is what contributed to the content? To the point where the superiors are angry and ordered to shut down? Not standar

Java (Po,vo,to,bo,dao,pojo) class name Package name explanation2015-04-28 20:11 by Loull, 18 Reading, 0 reviews, Favorites, compilation VO: Value object, view object PO: Persistent object qo: Query ObjectDAO: Data Access Object--also DAO pattern DTO: Data Transfer Object--also DTO modePO: Full Name is Persistant object The most vivid understanding of persistent objects is that a PO is a record in the database. The advantage is that a record can be pro

network load, but here I refer to the data transfer objects between the presentation layer and the service layer.VO (View object) Value ObjectA View object, used for the presentation layer, that encapsulates all the data for a specified page (or component).BO (business object) service objectFrom the business model perspective, see the domain objects in the UML component Domain model. A Java object that encapsulates the business logic, by invoking the

Original Address:several objects of Java (Po,vo,dao,bo,pojo) explained MunandongOne, 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 bu

. ---------------------------------------------------------- Bo: Business Object Encapsulate the business logic as an object (which can include multiple Po. It usually needs to convert Bo into Po to realize data persistence. Otherwise, the PO obtained from the DB, must be converted to Bo for use at the business layer ). There are three main concepts about

methods. This method is used in combination with Po to perform operations on the database.There is almost no possibility or need to convert each other. It is mainly used to encapsulate access to the database. With pojo, pojo can be persistently converted into Po, and PO can be assembled into vo and DTO. Bo: BusinessThe object Business Object encapsulates the Java object of the business logic. by calling the DAO method and combining Po and VO for busi

A large number of professional acronyms in J2EE development are confusing, especially when discussing issues with some experts, they were dizzy by the technical terms in three minutes. Po VO Bo DTO pojo Dao, A lot of things are coming (friends who have heard of Lao Luo's criticism of this phenomenon will smile ). First of all, I declare that I am not a master. The following summary is my own experience. For more information, see. Po:Persistant Object

Invincible Bo PI Qian Kun big color-Previous Article: Usage Invincible Bo PI Qian Kun big color-Article: style description Invincible Bo PI Qian Kun big color-next article: script explanation Invincible Bo PI Qian Kun big color-support: Subsequent Updates If you have not downloaded the script file when reading [pre

A large number of professional acronyms in J2EE development are confusing, especially when discussing issues with some experts, they were dizzy by the technical terms in three minutes. Po VO Bo DTO pojo Dao, A lot of things are coming (friends who have heard of Lao Luo's criticism of this phenomenon will smile ). First of all, I declare that I am not a master. The following summary is my own experience. For more information, see. Po:Persistant O

Use love Bo QQ mailbox Search machine display search out more than 8,000 data, but I exported to only 2000 data around, how to solve this problem? This is because the last few pages of the returned data are caused by the same, the export of automatic filtering repeat. I look for the Xuhui district of Shanghai, can be found in the search for QQ, some address only specific to Shanghai, not specific to Shanghai Xuhui, and some are not online. QQ infor