Struct2: 1. Realize the download function
Mode 1:
Query data: Struts 2 realizes the file download function_ tanyunlong_nice column - CSDN blog_ Struts 2 download function
About result type = "stream" in struts 2_ Z69183787 column - CSDN blog
. jsp code
<a href="javascript:openxieyiApplication()">Template download</a>
function openxieyi ...
Added by amethyst42 on Wed, 02 Mar 2022 10:11:16 +0200
SpringCloud Alibaba combat from scratch (59) -- differences, relations and applications of filter, interceptor and AOP
preface
When implementing some common logic, many functions can be implemented through filters, interceptors and AOP, but different methods have different efficiency. See the description below for the specific difference.
filter
The filter intercepts URL s
The custom Filter in Spring generally has only one method, and the return value i ...
Added by tipjones on Sat, 18 Dec 2021 14:05:55 +0200
Java Web Course Design - student information management system (Jsp, Java interview manual pdf
#User table
create table user(
id int auto_increment primary key,
username nvarchar(20) null,
password nvarchar(20) null,
name nvarchar(20) null,
gender nchar(10) null,
age int null,
address nvarchar(20) null,
phone nvarchar(11) unique null,
email nvarchar(30) null
);
#Student list
create table student(
id int auto_increment prim ...
Added by xeonman13 on Wed, 15 Dec 2021 22:21:29 +0200
The first experiment of Java EE
Experiment 1 Servlet and JSP technology -- the first user login module
1, Basic experiment -- Servlet and JSP basic development
(1) Experimental purpose
Master the concept of HttpServlet, related API s and development steps;Master the basic syntax of JSP technology;Master the use method of each implicit variable of JSP;Master the integration ...
Added by sloppstack on Sat, 02 Oct 2021 00:04:10 +0300
The second experiment of Java EE
Experiment 2 basic application of Struts -- user login module based on Struts 2 Framework
1, Basic experiment -- Struts2 framework construction
(1) Experimental purpose
Master the basic development steps and general configuration of struts 2 application;Observe the assignment relationship between form parameters and Action attribute, observe ...
Added by Cynthia Blue on Fri, 01 Oct 2021 23:53:35 +0300
Implementation of user operation logging based on struts 2 interceptor
Here based on struts 2 interceptor to achieve.
Use struts 2 interceptor to intercept all or specified requests, acquire and store the information such as operation user, operation time, operation location, operation result and operation time in the process of user operation, so as to facilitate the query and display of data in the future.
Op ...
Added by agge on Mon, 23 Mar 2020 17:56:45 +0200
Struts2 file upload
Upload a single file
Form:
<s:form action="HandlerAction" method="POST" enctype="multipart/form-data">
<s:file name="profile" label="Head portrait" />
<%-- <s:file name="profile" label="Head portrait" accept="image/jpeg" size="102400" /> --%>
<s:submit value="Submit" />
</s:form>
method="POST& ...
Added by Bramme on Fri, 27 Dec 2019 04:44:36 +0200
Struts upload picture
Struts upload picture
Today, I have finished the image upload and page display of the last blog.
File upload scheme:
Upload to tomcat server
Upload to the specified file directory, add the mapping relationship between the server and the real directory, so as to decouple the relationship between the u ...
Added by zxsalmanxz on Wed, 30 Oct 2019 17:37:21 +0200
Struts completes input verification manually based on validateXxx method
One view
1registForm.jsp
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html x ...
Added by Maugrim_The_Reaper on Thu, 03 Oct 2019 17:24:57 +0300
Talking about java annotations <the most easy-to-understand annotations>
Foreword: The meaning of Annotation in Chinese.
Java annotations are used to provide metadata for Java code.
Metadata refers to the data used to describe data, which, in general, describes the relationship between codes or the internal relationship between codes and other resources (such as database tables). In some technical frameworks, such ...
Added by jamkelvl on Wed, 24 Jul 2019 06:00:22 +0300