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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

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 used to display the corresponding interface, then its identity will be c

service transmissions and Vo is used for the display of interfaces, and the DTO can be converted to VO for the foreground. 3. For example, in struts, using Actionform as VO requires a conversion because the PO is object-oriented and Actionform is corresponding to the view, which is to synthesize a actionform of the attributes to be displayed by several po. You can use the Beanutils copy method. 3. BO (business object) business Object (understood as

Author: I am not myself [F. s.t] Source: evil baboons Information Security Team (www.eviloctal.com) Note: In this article, the Firefox Technology Alliance (www.wrsky.com) was first launched and submitted to the evil gossip Information Security Team by Firefox members. This is my penetration vulnerability. Patches have been released officially.Vulnerability Discovery Date: 2005.6.13Vulnerability version: Bo-blog version Vulnerability analysis and util

Bo-Blog-specific IISRewrite program for Windows Server this article will provide a scheme for Bo-Blog users to implement URL Rewrite on Windows IIS 5.1/6.0 server. The advantage of this solution is that it does not require any component support and does not need to install ISAPI filters (there are many on-site, but it is not recommended to use them for free). The disadvantage is that it is the same as imple

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objects between the presentation layer and the service layer.VO (Value object) value objectsTypically used for data transfer between business tiers, as is the case with PO, which contains only data. But it should be abstracted out of business objects that can correspond to tables, or not, depending on the needs of the business. Created with the new keyword, collected by GC.BO (business object) service objectFrom the business model perspective, see the domain objects in the UML component Domain

public static mapWebserviceparambo Webserviceparambo) {field[] fields = Webserviceparambo.getclass (). Getdeclaredfields ();hashmapfor (Field field:fields) {Variables that can be obtained to the private propertyField.setaccessible (TRUE);try {The name obtained is the attribute in the Bo object, Field.get (Webserviceparambo) is the value of the incoming Bo objectData.put (Field.getname (), Field.get (Webserv

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 processed as an object and can be easily converted to other objects.BO: The full name is business object: The main function of the operational objects is to encapsulate the business lo

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Comparison of Brio with Bo and CognosThe following is a specific product comparison, this is reproduced, only for reference: This is brio and Cognos comparison [reprint] brio compared with Cognos, its advantage lies in:Product Integration Brio:brio's series of products is fully integrated, the interface is the same, in a product provides all the features. Also, all products use the same file format, so the products on various platforms, Client/server,