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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

logic as an object (which can include multiple po, usually need to convert Bo to Po, in order to persist the data, instead, the PO obtained from the DB needs to be converted into Bo to be used at the business layer).There are three main concepts about BO1. Contains only the properties of the business object;2, only include business methods;3, both are included.In actual use, it is not important to think wh

Sina Weibo software users to the detailed analysis of the Boga of Sina Micro-friends to share the method. Method Sharing: Step 1, on Sina Weibo how to add friends problem, first open Sina Weibo, and landing. Step 2, after landing completed, the user can see the page in the middle of a small search icon. If you have a friend's microblog name, this is the best place to search directly. Step 3, of course, if you do not have a friend of the name of the

Chasing the network lake Chongqing "Hero" Editor's note: The recent network of new things constantly, Granville guests, Wo and other new concepts emerging, the number of people on the Internet is also growing rapidly. But those online workers, who spend most of their time online or on the Internet, live in mysterious colours to ordinary citizens. This reporter is divided into many ways, looking for the network of Chongqing "hero", they rely on their own unique wisdom, gallop network, or affect t

have some advantages, but the blog is a long life, not you can set up a day or two days of success, some famous Bo growth time even need 7 years, So if you iron heart to do blog, then choose a separate IP space is the best but, of course, not enough, the choice of a virtual host is also possible, but the author in this proposal if you can record the record as far as possible, no way, this is Chinese characteristics, Prepared a case of the Web site to

) Persistent object 1, sometimes referred to as the data object, corresponds to the entity in the database, which can be simply considered a PO corresponding to a record in the database.2, in the Hibernate persistence Framework is closely related to the insert/delet operation.3, the PO should not contain any operation of the database. The VO (Value object) Value object 1, the main corresponding page display (Web page/SWT, swing Interface) data object.2, can correspond with the table, also can n

Android implementation of micro-letter, micro-bo, micro-trust friends circle, QQ sharing function First, to the respective developer platform to register the corresponding key value, the introduction of the relevant jar package, permissions, etc. Second, Shareutil tool class Import android.app.Activity; Import Android.content.Context; Import Android.content.pm.PackageInfo; Import Android.content.pm.PackageManager; Import Android.graphics.Bitm

DO:Domain Object Persistent Objectis a tangible or intangible business entity that is abstracted from the real world. PO:Persistant Object Persistent ObjectsThe 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:Business ObjectThe main role is to encapsulate the business logic as an object. This object can include one or more other objects.such as a resume, education ex

First of all, make love hanging machine This website is because of the chaos of the domestic hanging machine project, want to provide a good learning exchange platform for everyone, and the second is because the hanging brother has been in Bo Rui to get higher hanging machine income. So want to share it to everyone, for me also bring a good income for everyone. (*^__^*) hehe ...Website Description:Bo-RUI Network monitoring software is what we often ca

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

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