, where the UU field is only tested if the name does not correspond, will the value be assigned successfully PrivateString UU; PrivateString resume; PublicString GetName () {returnname; } Public voidsetName (String name) { This. Name =name; } PublicInteger getage () {returnAge ; } Public voidsetage (Integer age) { This. Age =Age ; } PublicString Getuu () {returnUU; } Public voidsetuu (String uu) { This. UU =UU; } PublicString Getresume () {returnResume; } Public v
different transaction manager when declaring a transaction. The transaction management configuration for different data sources can be found in the settings in Spring boot multi-data source configuration and use. When declaring a transaction, you only need to specify the configured transaction manager name through the Value property, for example: @Transactional
Classes that overwrite Auto-configuration
Dynamic configuration with external properties "this article"
Customizing the Error page "second article"
The automatic configuration of Spring boot can save a lot of uninteresting configuration work, but not all automatic configuration can meet the requirements. For example, when you link a database, you nee
automatic configuration (auto-configuration)
Automatic configuration (auto-configuration) is one of the most important features of spring boot, because the feature is based on the classpath of the application (this is mainly based on Maven Pom.xml decision), annotations and some other Java configuration descriptors automatically configure the spring
Say in front:
The spring boot has also been a preliminary understanding, but spring boot is also a lot of application module POM configuration, and so on a series of things, need to remember
Make a record so you can look back when you don't remember.
1. Spring
code:@SpringBootConfiguration @enableautoconfiguration@componentscanThese three parameters are important parameters:@SpringBootConfiguration indicates that this is a configuration,@EnableAutoConfiguration indicates that spring boot is automatically configured for the current project based on the jar package dependencies in the classpath.For example, by adding th
Due to the needs of the project, the profile feature was added to the SPIRNG boot project today. Online Search a lap, also did not find a satisfactory reference, in fact, configuration is not difficult, is not a one stop (one-stop) to explain the place, so have the idea of writing this blog. Because of my limited level, any errors and omissions in this article welcome feedback. I hope this article can help you.
The goals that this article achieves:
1
use spring Boot?Spring boot is designed to simplify the configuration of the spring project, making it easier for jar dependency management and application compilation and deployment. Spring
:
port:8190
my:
name: Prod
The Application.yml file is divided into four parts, using the---as the delimiter, the first part of the General configuration section, representing the properties common to three environments, the following three paragraphs are: development, testing, production, with spring.profiles specified a value (developed as Dev, Test, production is prod), this value indicates which profile should be used for the configuration of this segment.
If we are local
1. Preface
Spring Boot provides a command line interface (CLI), which can be used to run and test the Spring boot application. Interface
There are several ways to install the CLI:
* * Install with downloaded bundle
* * Installation with Groovyenvironment Manager
* * Installation via OS Xhomebrew
* * Installation with
{ //============== //PRIVATE fields //============== //an autogenerated ID (unique for each user in the db) @Id @GeneratedValue (strategy = Generationtype.auto) Private long ID; //the user email @NotNull Private String email; //the user name @NotNull Private String name; //============== //public METHODS //============== Public User () {} Public user (long id) { this.id = ID; } //Getter and Setter methods //... } //class User Data access layer for 4.User entities Us
We know that the Spring boot Autoconfiguration feature can determine which of the spring configurations should be used depending on the circumstances, not which one should be used, for example:
Is spring's jdbctemplate in classpath? If it is, and DataSource is present, a JdbcTemplate bean is automatically conf
annotations.Cors Global Configuration, in addition to fine-grained annotation-based configurations, you might want to define some global cors configurations. This is similar to using filters, but can be declared in spring MVC and combined with fine-grained @crossorigin configurations. By default, all domain names and, and post methods are allowed.Spring Boot configuration:If you use
four years ago. It is also the first stable GA version that provides support for Spring Framework 5.0.
Highlights of the new version:
Based on Java 8 and supports Java 9
Use Spring WebFlux/WebFlux. fn to provide responsive Web programming support
Supports embedded Netty
Tomcat, Undertow, and Jetty both Support HTTP/2
Spring INITIALIZR is a very effective spring boot when building projects, although Maven and the starter provided by spring boot are very simple to use, but because of the large number of components and associated parts, It is still nice to have such a visual configuration-b
generally used to build restful APIs;
@ControllerUsed to define the controller class, which is the responsibility of the controller in the spring project to forward URL requests from the user to the corresponding service interface (services layer).
@RestControllerThe collection of @ResponseBody and @controller
@RequestMappingProvides routing information that is responsible for mapping the URL to a specific function in the controller.
@Ena
Recently work too busy, so delayed to everyone to share the actual combat springboot framework use.The following is the use of spring boot to integrate multiple frameworks.The first is to prepare for the job well.The first import framework requires packages that we use for MAVEN to manage the package.The above example is my h5ds real background management project
Spring INITIALIZR is very effective when building projects, although the starter that MAVEN and spring boot provide are very simple to use, but because of the many components and associations, It's still nice to have such a visual configuration build management tool. In this article we will use spring INITIALIZR in Int
problems are gone, and your productivity will improve a lot, because spring boot has helped you get a project prototype, you just need to add your own business code to this prototype, your service And DAO will be all right!Is spring boot really that bad? OK, let's get to the bottom and talk about how to build a projec
Use Spring Boot to implement e-commerce system Web API (1) Hello World, spring e-commerce
Let's start with Hello World! Start.I. Build tools
Assume that Java SDK 8 has been installed.
Install build tools
We chose gradle to build the project.
Https://gradle.org/install this web page will tell you how to install.
We can also choose to manually install, first downlo
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