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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 need to use some or-mapping middleware, such as
1. Introduction to Spring Boot
A framework for simplifying spring application development;
A large integration of the entire spring technology stack;
A one-stop solution for the development of the Java EE;
2. Micro-ServiceMicroServices: Architectural style (service micro)An application should be a
, Localechangeinterceptor and themechangeinterceptor are more commonly used.Configuring interceptors is also simple, Spring provides the base class Webmvcconfigureradapter, and we only need to rewrite the Addinterceptors method to add a registered interceptor.It only takes 3 steps to implement a custom interceptor:1. Create our own interceptor class and implement the Handlerinterceptor interface.2. Create a Java class to inherit Webmvcconfigureradapte
Rookie new to the big God do not spray, a little Daigo, grateful. Because I always pretend to be humorous, because I want to make myself happy.
Spring MVC, which is provided by the spring boot, does not meet its own requirements, and it can write a control class plus @EnableWebMvc annotations to control the MVC configuration itself.
5. Spring Boot Jar Read Resource fileIn the 2.2.2 section, it is stated that one of the features of Springboot is to run independently and embed the servlet container. There are some problems with the Spring boot project running independently of development in jar mode, this chapter mainly describes the problem of read
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integrity constraints that are defined on the data.
Isolation (Isolation):
There may be multiple transactions executing concurrently in the same environment, and each transaction should be performed independently. The effect of serially executing a series of transactions should be the same as executing them concurrently. This requires two things:
During the execution of a transaction, the intermediate (possibly inconsistent) state of the data should not be exposed to all other transactions.
T
name;7.}8. Public void setName (String name) {9. this. Name = name;10.}One. public String Getgender () {return gender;13.}Public void Setgender (String gender) {. This . gender = gender;16.}17.18.}Finally note the Spring boot entry class plus @enableconfigurationproperties1. @SpringBootApplication2. @EnableConfigurationProperties ({wiselysettings. Class, Wisely2settings. class})3. Public class DemoApplic
Pensionnumber;private status status;private String ip1;private String ip2;private String Ebutlerphonewsurl;... Public static Class status{private String success;private String Nouser;private String nobalance;private String unknown;。。。。。。}}Ip-phone:URL:ID:Key:Pensionnumber:ip1:IP2:Ebutlerphonewsurl:Status:success:0Nouser:4nobalance:16unknown:9995. Interceptors Handlerinterceptor blocked static resources by default in version 2.0.0 ResourceHandlermethod, skip the static resources.Handlermethod ob
Deploying spring-boot in linux and spring-boot
First, clean maven in the project, then compress maven install into a jar package, and then delete the previous version of the Process in linux.
View the java Process command ps-ef | grep java
Kill-9 process no.
Run the spring
In Spring boot, define a REST API endpoint are pretty easy. Packagecom.globomatisc.bike.controllers;Importjava.util.ArrayList;Importjava.util.List;ImportCom.globomatisc.bike.models.Bike;ImportOrg.springframework.http.HttpStatus;Importorg.springframework.web.bind.annotation.*; @RestController @requestmapping ("/api/v1/bikes") Public classBikescontroller {@GetMapping PublicListlist () {listNewArraylist(); ret
[Spring-boot] spring aop is initially exposed to aspect programming, spring-bootaop
As we all know, spring has two core functions: aop and ioc, that is, face-oriented and control inversion. Here we will discuss how to use spring a
(value= "/{id}", method=requestmethod.get) A PublicUser getUser (@PathVariable Long id) { the //GET request to process "/users/{id}" to get user information for ID value in URL + //the ID in the URL can be bound to the parameters of the function by @pathvariable - returnusers.get (ID); $ } $ -@RequestMapping (value= "/{id}", method=requestmethod.put) - PublicString putuser (@PathVariable Long ID, @ModelAttribute user user) { the //handle put requ
Problem Description:The use of @restcontroller in spring boot does not work, does not return JSON, still look for the interface of the request address corresponding pagePerformance results:1 "Using the Postman Test interface, the performance of the return is 404, the corresponding page address is not found." 2 "docking front desk, access directly return system exception!!Workaround:The final reason is that
1. Modify the Spring boot project configuration fileIn addition to the main configuration file, create 2 additional profiles, note that the name to use Application-*.propertiesWrite in the master profile, using Dev as the development configurationSpring.profiles.active=dev2. Set the tomcat parameter in the server and invoke the production environment configurationOpen the Tomcat configuration softwareAdd co
For unit testing under spring boot, after thinking still needs to take a separate chapter to see it.==============================================================================================@RunWith () Note the reason why you can't find it anyway@SpringApplicationConfiguration (startup Class) is not found, the reason for the unsuccessful exportthis annotation was replaced in 1.4 and now replaces the ann
Spring boot encapsulates the NoSQL database with the usual database support. Redis Introduction
Redis is the most widely used memory data store in the industry today. Memcached,redis supports richer data structures, such as hashes, lists, sets, etc., while supporting data persistence. In addition, Redis also provides some characteristics of the class database, such as transaction, HA, master-slave library.
Docker technology has been developed to provide a more convenient environment for micro-service landing, the use of Docker deployment Spring Boot is very simple, this article we come to a simple study.Start by building a simple Spring Boot project, then add Docker support to the project, and finally deploy the project.
The Spring boot configuration file is available in two formats: Application.properties and APPLICATION.YML. Only one of the two profiles needs to be used.There are some differences in the syntax of the two configuration files, as follows1. Application.propertiesServer.port = 8080--Tomcat portServer.context-path =/webname--URL path2. Application.ymlServerport:8080--Tomcat port, note that there are spaces aft
The main contents of this chapter:With previous learning, we learned and quickly completed the first spring boot application. Spring Boot Enterprise Framework, then how does spring boot read static resources? such as JS folder, CS
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