spring boot rest api tutorial

resourcesAbout the configuration of springboot static resources The method for configuring using a configuration file is described in 4.1.1 above, but using a configuration file for configuration has the disadvantage of overriding the default static resource configuration, which you can configure using the following method if you want to keep the default configuration. The code below is no longer tested:>Github:https://github.com/chunyuding/springboot-demoHttps://github.com/chunyuding/SpringBoo

@RequestMapping (value ="/paramvalidator", method = requestmethod.get) public String paramvalidator ( @ParamValidator (isrequired = true, desc = "grade", Range = "int:1~9", message = "grade only from 1-9") @ Requestparam (name = "grade", required = true) int grade, @ Paramvalidator (isrequired = true, desc = "class", Range = "int:1~99", message = "class can only be from 1-99") @RequestParam (name = " classroom ", required = true) int classroom) {return classroomservice.getteachername (

1, what is Spring boot. With the popularity of dynamic languages (Ruby, Groovy, Scala, node.js), Java development is particularly cumbersome: a wide range of configurations, inefficient, complex deployment processes, and third-party technology integration are difficult. To address the above issues, Spring Boot is lau

Thanks to the fast development and ease of deployment of spring boot, it is believed that a large part of Spring boot users will be used to build restful APIs. The purpose of building restful APIs is often due to multiple terminals, which share many of the underlying business logic, so we abstract this layer to serve m

I. Preparation of the project Direct use of the source code of the previous chapter, Spring Boot Tutorial (eight): Spring boot integrated pagehelper paging plugin II, adding MAPPER4 dependencies Third, modify the Startup class @mapperscan package, note the package path!!!

I. Preparation of the project Use the source code of the previous section directly, Spring Boot tutorial (vii): Spring Boot integrated druid connection pool For convenience, the following sections no longer modify the package name and the startup class name according to the

pagehelper.helperdialect=PostgreSQL4 #pageNum 0 O'Clock returns the first page of data, Pagenum returns the last page of data when it exceeds the total number of pages 5 pagehelper.reasonable=trueCorresponding Code:1 # #com. Mobin.service.impl.SubwayServiceImpl 2 Public Listint pagenum,int pageSize) {3 // the third parameter, Fales, indicates that the table is not count-operated 4 Pagehelper.startpage (Pagenum,pagesize,false); 5 return subwaymapper.findsubways (); 6 }Pr

Previous article: Spring Boot Tutorial-Spring boot Integrated MyBatis (XML) describes the spring boot integration mybatis XML-based configuration, this article focuses on annotation mod

ImportOrg.apache.ibatis.annotations.Select;5 6 ImportCom.woniu.bean.User;7 8 @Mapper9 Public InterfaceUsermaper {Ten One@Select ("SELECT * from user where Age = #{age}") AUser Select (intAge ); -}2.3 Creating a Controller1 PackageCom.woniu.controller;2 3 Importorg.springframework.beans.factory.annotation.Autowired;4 Importorg.springframework.web.bind.annotation.RequestMapping;5 ImportOrg.springframework.web.bind.annotation.RestController;6 7 ImportCom.woniu.bean.User;8 ImportCom.woniu.ma

results:Note: For a more detailed configuration of filter, you can view the configuration properties in note @webfilter ("/*"), such as configuring filter order of filters.(2) Code configuration FilterNote Write the configuration code after the annotations above:Note: Filterregistrationbean. setorder (0); method to set the filter's order in the filter chain. No more testing!3. Configure Listener There are two ways to configure listener with the Servlet, Fiter:(1) annotation configuration Listen

Solve the serialization problem of using Java 8 time date API (LocalDate, etc.) in Spring Boot and Feign, feignlocaldate LocalDate, LocalTime, and LocalDateTime are the time and date APIs provided by Java 8. They are mainly used to optimize the processing operations on time and date before Java 8. However, when we use Spring