MultipartResolver is not equipped by default in the Spring MVC context, 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. The configuration file in springmvc-config.xml is as follows:
Posted on Wed, 01 Apr 2020 01:33:05 -0400 by alex_funky_dj
Recently, I'm working on the SSM framework. I'm not very proficient in many things. I found a problem. My jsp page has a form and a button. I submit the form through the button, but I found that the button button doesn't work. First of all, the foreground code is copy. I'm working in the background. ...
Posted on Tue, 31 Mar 2020 17:00:01 -0400 by rahish
Original Link: http://www.yiidian.com/springmvc/return-value.html
The controller method return value of Spring MVC can support multiple writings, each of which has a different scene and effect.Here's a look at the use of each return value.
1 Normal string
Returning normal st ...
Posted on Mon, 30 Mar 2020 21:15:39 -0400 by lunac
Looking for a lot of information, seven, eight, eight have tried again, and finally wrote out this function.
A rookie. This article is only for notes.
A simple generation of QR code, through the web page to confirm the login, to achieve the QR code page to jump to the main page.
There are three servlet s:
CodeServlet.java does two things
A: gen ...
Posted on Sun, 29 Mar 2020 12:37:16 -0400 by welshmike
Reason for repeated submission
The jump from the submitted page to the successful page generally uses the view location. Because the view location jumps at the server, if the user refreshes the page again after clicking submit, it will result in repeated submission, and the data in the database will be repeated.
Adopt token measures
1. Generate ...
Posted on Sat, 28 Mar 2020 13:30:12 -0400 by benjaminbeazy
4.9. Use external Servlet container
Embedded Servlet content: application is made into executable jar
Advantages: simple, portable;
Disadvantages: JSP is not supported by default, and optimization and customization are more complex (using the customizer [ServerProperties, custom EmbeddedServletContainerCustomizer], write the creation factory [E ...
Posted on Sat, 28 Mar 2020 06:51:51 -0400 by vbzoom.com
In 2020, do I need to learn JSP?I believe that students who are still in college will certainly have this question.
In fact, I have seen a similar question in 18 years, "Should JSP still learn?"I sent several JSP articles in 18 years, and many developers have commented on "Is this not something of the last century", ...
Posted on Sun, 22 Mar 2020 22:00:05 -0400 by serenade2
This example logs in to a website that requires a username, password, and authentication code, where python's urllib2 is used to log in directly to the site and handle the cookies for the site
Earlier I heard that it is very convenient to use python as a web crawler. Just these days, units also have thi ...
Posted on Tue, 17 Mar 2020 14:07:14 -0400 by Browzer
What is request forwarding
Request forwarding implements resource jump within the server.
Characteristics of request forwarding
One request, one response. A request object must correspond to a response object.
The resources jump inside the Web application (inside the server), the browser does not fe ...
Posted on Mon, 16 Mar 2020 11:21:45 -0400 by Pro Ninja
In a recent article in the JavaEE series, there were some problems writing REST-style URL s for Spring MVC. Here is some code.
index.jsp page code:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
Posted on Sat, 14 Mar 2020 20:30:15 -0400 by DrTom