First, prefaceResearch Spring Boot also has a short period of time, recently will study things to share, there will probably be a blog about 10~20, the whole series will be a simple blog system as the basis, because light theory a lot of things are not particularly easy to understand, And if every time through a simple small program can not systematically grasp the knowledge points, so a simple system as a
();Usefunctionservice.setfunctionservice (Functionservice ());return Usefunctionservice;}}5. OperationThe main code is as follows:/***Run the Portal */public class Main { public static void main (string[] args) { Annotationconfigapplicationcontext context = new Annotationconfigapplicationcontext (Javaconfig. Class) Usefunctionservice Usefunctionservice = Context.getbean (Usefunctionservice. Class) System. out.println (Usefunctionservice.sayhello ( "java config")) ; Context.close ()
Spring boot Spring Cache implementation of multi-level cache, just according to their own ideas to achieve, if the reader has a better solution to the idea, welcome guidance
The spring cache implements multilevel caching in the following ways:
Add custom CacheManager, custom cache, implement multi-level cache operation
Setting property values from the command lineBelieve that users who have used spring boot for a period of time must know this command: Java-jar Xxx.jar--server.port=8888, set the Xxx.jar app port to 8888 by using the –server.port property.At the command line, two consecutive minus signs-the identification of the value of the property in Application.properties. So, the Java-jar xxx.jar--server.port=8888 comm
is Spring Data JPA capable of?can greatly simplify the The JPA notation enables access to and manipulation of data in situations where there is little or no write implementation. except CRUD , it also includes some common functions such as paging, sorting, and so on. first of all, we need to be clear Spring Data is an open source framework in which spring data J
Boot provides the default configuration of the template engine mainly in the following ways:
Thymeleaf
Freemarker
Velocity
Groovy
Mustache
Spring boot recommends using these template engines to avoid using JSPs, and if you must use JSP, you will not be able to implement many of the features of s
The Spring-boot version and the Spring-cloud version correspond to one by one, and many errors are due to version inconsistencies. Many Baidu things are too old, the version of an upgrade will be wrong.Spring's jar-pack dependencies are the hardest, but smart people are skillful, thanks to Brother Bo!Official has a dedicated website to configure, the address is:H
disabled Set it to true otherwise the login will be reported There are also implementations of a Userdetailsservice class as follows 1 @Service
2 public class Authuserservice implements userdetailsservice{
3
4 @Autowired
5 Mstusersmapper Mstusersmapper;
6
7 @Override
8 public userdetails Loaduserbyusername (String username) throws usernamenotfoundexception {
9 users Users =mstusersmapper.selectbyprimarykey (username);
The if (users = = null) {One
Preparatory workFirst, build a simple Web project that you can use to add security controls later, or use the Chapter3-1-2 as a foundation project. If you are building a web app using spring boot, you can first read the article "Spring Boot Development web App".Web tier Implementation Request mapping[Java] View plain c
signaturealgorithm = signaturealgorithm.hs256; byte[] Apikeysecretbytes = datatypeconverter.parsebase64binary ("token"); Key Signingkey = new Secretkeyspec (apikeysecretbytes, Signaturealgorithm.getjcaname ()); return signingkey; }//using the HS256 signature algorithm and the resulting signingkey in the final token,claims is the payload public static String Createjavawebtoken (map Configure swagger to include the header in the request header @Bean Public Docket Demoapi () {
What is Spring boot?Spring Boot is based on spring, in order to solve the spring framework with a wide range of configurations, complex deployment processes, and low development efficiency.If the
Spring Boot creates beans using Java code and registers them to Spring.
From Spring3.0, a new method is added to configure Bean Definition, which is to configure Bean Definition through Java Code.The two configuration methods differ from Xml and Annotation:
The first two Xml and Annotation configuration methods are pre-defined, that is, after developers use the X
Java Spring boot uses spring reflection and bootspring
Spring reflection
1. You can instantiate this class by class name.
ApplicationContext. getBean (name)2. Get classes by type
applicationContext.getBeansOfType(clazz);
First, you must obtain the spring container. The Appli
Preface
Now the industry's more popular data operation Layer Framework MyBatis, the following explains how Springboot integration MyBatis, here is the annotation configuration sql.
The consolidation MyBatis in spring is not much to say, the recent heavy use of spring boot, so tidy up the steps of consolidating mybatis in spri
Spring Boot entry
I. Introduction
The official Spring website uses the Spring framework for development. As features and business logic become increasingly complex, applications are accompanied by a large number of XML configuration files and complex Bean dependencies.With the release of
The technical finishing needed to do a microservices architecture:View:H5, Vue.js, Spring Tag, React, AngularJsSpring boot/spring Cloud:Zuul, Ribbon, feign, Turbine, Hystrix, Oauthor2, Sleuth, API Gateway, Spring Cloud, Config Eureka, SSO, Spring Cloud,BUS, Turbine, Zipkin,
The technical finishing needed to do a microservices architecture:View:H5, Vue.js, Spring Tag, React, AngularJsSpring boot/spring Cloud:Zuul, Ribbon, feign, Turbine, Hystrix, Oauthor2, Sleuth, API Gateway, Spring Cloud, Config Eureka, SSO, Spring Cloud,BUS, Turbine, Zipkin,
The technical finishing needed to do a microservices architecture:View:H5, Vue.js, Spring Tag, React, AngularJsSpring boot/spring Cloud:Zuul, Ribbon, feign, Turbine, Hystrix, Oauthor2, Sleuth, API Gateway, Spring Cloud, Config Eureka, SSO, Spring Cloud,BUS, Turbine, Zipkin,
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