Upload and download

12. Upload and download File upload is one of the most common functions in project development. Spring MVC can well support file upload, but MultipartResolver is not installed in the context of spring MVC by default, so it cannot handle file upload by default. If you want to use spring's file upload function, you need to configure MultipartReso ...

Added by velkymx on Thu, 10 Mar 2022 13:53:39 +0200

Jump mode and data processing

6. Jump mode 6.1 forwarding and redirection via spring MVC - no view parser required Before testing, you need to comment out the view parser @Controller public class ResultSpringMVC { @RequestMapping("/rsm/t1") public String test1(){ //forward return "/index.jsp"; } @RequestMapping("/rsm/t2") public String test2(){ ...

Added by smileyriley21 on Wed, 09 Mar 2022 04:43:17 +0200

Controller and RestFul

5. Controller and RestFul 5.1 controller The complex controller provides the behavior of accessing the application program, which is usually realized by interface definition or annotation definition. The controller is responsible for parsing the user's request and transforming it into a model. In Spring MVC, a controller class can contain mult ...

Added by poring on Wed, 09 Mar 2022 03:12:52 +0200

Spring MVC interceptor and exception handling

Interceptor Interceptor configuration Interceptors in spring MVC are used to intercept the execution of controller methods. Interceptors in spring MVC need to implement HandlerInterceptor. package com.atguigu.springmvc.interceptor; import org.springframework.web.servlet.HandlerInterceptor; import org.springframework.web.servlet.ModelAn ...

Added by mancroft on Sat, 05 Mar 2022 04:19:59 +0200

Spring MVC -- using Controller to return JSON data

Spring MVC -- using Controller to return JSON data 1. Use Jackson Jackson: at present, the famous json parsing tool class library Dependencies imported using Jackson: <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> ...

Added by khefner on Fri, 04 Mar 2022 19:08:48 +0200

Spring MVC requests and responses

Spring MVC requests and responses 1, Response of spring MVC The data response methods of spring MVC are as follows: Page Jump Return string directlyReturn via ModelAndView object Write back data Return string directlyReturns an object or collection 1. Page Jump 1.1. Directly return string In the code for getting ...

Added by robin339 on Fri, 04 Mar 2022 15:45:35 +0200

Recommend learning java -- the first lesson of spring MVC

Spring MVC overview Spring MVC is a module in the spring framework and one of the cores of spring. It is often used for web development. Its bottom layer is Servlet, so it is also called Spring web mvc. Because the internal architecture pattern is mvc architecture, it is called Spring MVC Spring MVC is a container that manages the controlle ...

Added by Rother2005 on Fri, 04 Mar 2022 13:06:25 +0200

Spring MVC realizes file upload and download

File upload is one of the most common functions in project development. Spring MVC can well support file upload, but MultipartResolver is not installed in the context of spring MVC by default, so it cannot handle file upload by default. If you want to use spring's file upload function, you need to configure MultipartResolver in the context. Fr ...

Added by eflopez on Fri, 25 Feb 2022 18:59:23 +0200

Study notes of spring MVC

Introduction to spring MVC Official documents: https://docs.spring.io/spring-framework/docs/current/reference/html/web.html#mvc First try spring MVC Three major components that must be configured to use spring MVC: Process mapper, process adapter, view parser schematic diagram Operation steps Import Java Web and Spring dependenc ...

Added by simona_85 on Fri, 25 Feb 2022 18:58:30 +0200

Common annotations of spring MVC

1.@RequestParam       1. It is used to receive the parameters passed by the method before the parameters passed by the method (it is an annotation that accepts common parameters in spring MVC)       2. Attribute: name in value request parameter required: whether this parameter is provided in the reques ...

Added by Sgt.Angel on Fri, 25 Feb 2022 14:21:11 +0200