just a few days before the company, was arranged to read the document, mainly on the current project of the technology selection and framework of basic understanding. Used by the company is now a common frameworkSpring,Strutsand theMyBatis. It's pretty simple to understand, but it's a bunch ofVO,BOand thePOto make not clear, and now also developed a few lines, with some preliminary understanding, the first summary. po:persistantobject Persistent objects. The concept that occurs at the O/R mapp
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
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
The day before yesterday received a demand need to simulate landing micro-blog and then carry out Weibo, have done a lot of analog login Ali mother, micro-letter, and some other internal system, has not been able to log on, haha, so there is no time to do things, but when the analysis of Sina's landing process to feel the pressure,? Dan? Descurainiae the raise with Qian stranded reef weary Huan driving.?? Shrimp du sigh mu invasion? Dark raised with the Qin Jake SHA1 (SHA1 (SHA1 (PWD)). Once.ser
This article describes the JS implementation of the simulation micro-Bo can turn off the pop-up layer effect. Share to everyone for your reference. Specifically as follows:
Here is recommended to you a really good JavaScript page pop-up layer, imitation micro Bo JS pop-up layer can be closed, click the button to play out, can be made into a Web page customer ser
//----------------------------------------------------------------// 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,
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
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
Java VO \ PO \ DAO \ BO details, vobo
VO value object \ PO Persistent object, which consists of a set of properties and the get \ set Method of the properties.
Full-process persistence object of PO
The most vivid understanding is that a PO is a record in the database and can be seen as a java object that is mapped to a table in the database.
The advantage is that a record can be processed as an object, which can be easily converted to other objects.
Sina technology news on the evening of June February 1, in response to Microsoft's bid of 44.6 billion US dollars for Yahoo's purchase, Hong Bo, a famous blog and five-quarter consulting partner, said in accepting the Sina technology line, microsoft intends to expand its Internet business through the acquisition method. After the gates age, Microsoft will be an important player in the Internet field.
Special Internet players
"Obviously, this is a s
between the presentation layer and the service layer.5.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 business objects that can correspond to tables, or not, depending on the needs of the business. Created with the new keyword, collected by GC.6.BO (business object) service object?? From the business model perspective, see
Now the domestic famous micro-Bo has Sina Weibo, Tencent Weibo, Sohu Weibo, NetEase Weibo, then is not able to use these micro-blog for their own site to increase the chain, the answer is yes, this microblogging do not need to be like the blog to keep, do not have to publish articles, the use of micro-Bo main station high weight, for their own site to bring an outside chain, We can test, the concrete effect
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
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