【精品文檔】121關于計算機專業(yè)spring boot數據有關的外文文獻翻譯成品：spring boot的數據訪問（中英文雙語對照）19

1、此文檔是畢業(yè)設計外文翻譯成品（ 含英文原文+中文翻譯） ，無需調整復雜的格式！下載之后直接可用，方便快捷！本文價格不貴,也就幾十塊錢！一輩子也就一次的事！外文標題：Data Access with Spring Boot外文作者：Felipe Gutierrez文獻出處: Pro Spring Boot pp 121-147，2018 (如覺得年份太老，可改為近2 年，畢竟很多畢業(yè)生都這樣做)英文 4434 單詞，27307 字符(字符

2、就是印刷符)，中文 7050 漢字。Data Access with Spring BootData has become the most important part of the IT world, from trying to access, persist, and analyze it, to using a few bytes to petabytes of information. There have been man

3、y attempts to create frameworks and libraries to facilitate a way for developers to interact with the data, but sometimes this becomes too complicated. After version 3.0, the Spring Framework created different teams that

4、 specialized in the different technologies. The Spring Data project team was born. This particular project’s goal is to simplify uses of data access technologies, from relational and non- relational databases, to map-red

5、uce frameworks and cloud-based data services. This Spring Data project is a collection of subprojects specific to a given database. This chapter covers data access with Spring Boot using the ToDo application from previou

6、s chapters. You are going to make the ToDo app work with SQL and NoSQL databases. Let’s get started.SQL DatabasesDo you remember those days when (in the Java world) you needed to deal with all the JDBC (Java Database Con

7、nectivity) tasks? You had to download the correct drivers and connection strings, open and close connections, SQL statements, result sets, and transactions, and convert from result sets to objects. In my opinion, these a

8、re all very ?Easy Spring integration via JavaConfig and XML?Support for Spring MVC controllers?Events for transparent auditing (created, last changes)There are plenty more features—an entire book would be needed to cover

9、 each one of them. This chapter covers just enough to create powerful data-driven applications. Remember that Spring Data is the main umbrella project for everything that is covered.Spring JDBCIn this section, I show you

10、 how to use the JdbcTemplate class. This particular class implements the template design pattern, which is a concrete class that exposes defined ways or templates to execute its methods. It hides all the boilerplate algo

11、rithms or a set of instructions. In Spring, you can choose different ways to form the basis for your JDBC database access; using the JdbcTemplate class is the classic Spring JDBC approach and this is the lowest level.Whe

12、n you are using the JdbcTemplate class, you only need to implement callback interfaces to create an easy way to interact with any database engine. The JdbcTemplate class requires a javax.sql.DataSource and can be used in

13、 any class, by declaring it in JavaConfig, XML, or by annotations. The JdbcTemplate class takes care of all SQLExceptions and are properly handled. You can use NamedParameterJdbcTemplate (a JdbcTemplate wrapper

14、) to provide named parameters (:parameterName), instead of the traditional JDBC “?“ placeholders. This is another option for your SQL queries. The JdbcTemplate class exposes different methods.?Querying (SELECT). You norm