Read online, there are several ways: A form in your page by adding this code in HEAD area: <META HTTP-EQUIV="pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate&q ...
joomla prevent duplicate for submission refresh
We do websites, articles often worry for some irrigation. Sometimes, due to network conditions and other reasons the user does not know the success of submission, will be re-submitted with a form, which resulted in a PHP form submission can not afford to
In Struts, the form submitted to involve at least two Struts actions: The first form is displayed to the user responsible for The second form is responsible for users to process data submitted Our first action in the form to generate a Token (tag) an
Duplicate form submission: Reasons such as Wang Suman users .. After submitting a form, before the server response, click on back, return to form, submit the form again after Resolution: token mechanism Registration process a user clicks on the link
1. Generate a token stored in the user session, in adding a hidden form field, display the token value, form submitted to re-generate a new token, the user submits the token and the session of the token comparison, if not repeat the same is submitted ...
jsp: form of <s:token> </ s: token> struts.xml: <interceptor-ref name="token" /> <interceptor-ref name="defaultStack" /> <result name="invalid.token"> / exception.jsp </ result>
After using struts2 prevent duplicate submission can not use request.getParameter ("xxx") be the value of the page hide the box solutions (transfer)
After using struts2 prevent duplicate submission can not use request.getParameter ("xxx") be the value of the page hide the box solution Program using struts2 prevent duplicate submission is adopted http://blog.csdn.net/mzyp/archive/2009/07/15/4
To prevent duplicate user Shuabing submit, sometimes make people a headache. Solutions are: struts token. . . Why were others, do not know. And I am suddenly reminded of JS is also a way to solve the problem through. . After many tests, feel good about th
1. The submit button to add an event 2. To prevent duplicate submission page 3. Translucent pop-up dialog box
This is a trigger to prevent duplicate data into sql statement: create TRIGGER notsameuser ON user_pwd instead of insert as BEGIN insert user_pwd select userId, userName, pwd, lastTime, userType from inserted k where not exists (select * from user_pw ...
Original doc Double-click System Royal Sometimes some of the operations will be very time consuming (Long Lived Operation), for example, the database export, outstanding generating. Sometimes, users see the process server did not respond for a long t ...
Principle: Struts-Token mechanism can resubmit a good solution to the problem form, the basic principle is: the server handling the request arrives before the request will be included in the current token value stored in the user's session token
Refresh the page to prevent users from using the struts2 resubmit, projects are often used. struts.xml configuration file as follows: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts
First, let's take a look at the source code token Generally used method is 1, on entering the page before using saveToekn () method, which will be in the current session and return to the page to generate a toekn each value, the value of the form ...
I am here to consider only the direct use of struts API's, use a custom token generation mechanism is similar. Presented two cases of duplication: 1. User operation is complete, point back, back to jsp page and resubmit. 2. User operation is comp
Usage: take a look at examples of our projects 1. First in the struts configuration file to your action coupled with token filters Xml Code Note: a.includeMethods need to intercept the method specified excludeMethods do not need to intercept the meth ...
JSF How to prevent repeat (several times) to the form? Ask for advice tricks up their sleeves ...
Look at how the practical application of (In Action): 1. Define your own interceptor stack: <interceptors> <interceptor-stack name="submitToken"> <interceptor-ref name="token-session"/> <interceptor-ref name="defaultStack"/>
Internship soon, and the company give me a number of questions, let me seriously think about. I encountered some problems, some not, I check the information from the Internet, and finally put together some answers to questions, I hope that users be able t
Struts 2.1.8 01 Introduction struts2 and struts2 development environment set up 02 The first application development struts2 03 tips to solve the problem without struts2 profile 04 Action name of the search order 05 Action of the default configuration 06
Struts2 related to struts-default.xml, struts.xml, struts.properties file Xiangjie each study a framework, we will inevitably have to learn some information about the configuration file, struts2 no exception, here I will talk about several key struts2 con
Struts2 related to struts-default.xml, struts.xml, struts.properties file Xiangjie
Each study a framework, we will inevitably have to learn some information about the configuration file, struts2 is no exception, here I will talk about several major struts2 configuration file. 1) struts-default.xml This file is the struts2 framework of t
1. The problem As we all know, the standard Servlet API, there is a HttpSession interface. Originally HTTP protocol is stateless, through the session mechanism, will be able to take the absence of the state into a state. With the session's support, WE
1. Since Struts2.13. After the previous FilterDispatcher Marked as obsolete <filter-class> org.apache.struts.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter </filter-class> 2.action The default method for the execute() The default class is
OGNL expression language: Relative EL expression, it provides some of the features we need in peacetime, such as: ? Support object method calls, such as xxx.sayHello (); ? Support class static method calls and the value of the visit, the expression of the
( Transfer from ) Each study a framework, we will inevitably learn something about the configuration file, struts2 no exception, here I talk about several major struts2 configuration file. 1) struts-default.xml This file is the struts2 framework of the de
Continue to learn strusts, Zhang talked about today <html:checkbox> tags and labels <html:form> the benefits and use. <html:checkbox> label use of a common problem encountered can be used to reset solutions. integer and date formbea
To prevent the refresh / back problems caused by repeated submission of Java Token code, non-Struts
Struts itself has a comprehensive submission form to prevent duplicate Token (token) mechanism, but the author is currently writing the framework of projects is not used since the Struts, so have to prevent users from writing to repeat as back or ref
Repeat last year's summary of development projects submitted to the question: such as: back, refresh the problems are caused by repeated submission; now the sum of the knowledge points to share with you, what are the inadequacies of the exhibitions: A
Forum Forum when doing the project in the submission of a message delivered after. Page or in the current page and found that every time you refresh the release of records of the last will be resubmitted once. Hey, headache. Thought to prevent the du ...
Process is as follows: servelet (random number generated token * * Save the session) ===> Edit page (on behalf of a HTML FORM common form, the form there is a HIDDEN) === submit data ===> servelet ( HIDDEN value compared with the values in SESS ...
Struts-Token (token) mechanism can be properly resolved to submit the form to repeat the question, the basic principle is: the server-side in dealing with requests arrive before the request will be included in the token value stored in the current user se
When the user submits the form the reason may be because of speed, or malicious web pages to refresh, resulting in duplication of the same record into the database, this is a more difficult problem. We can from the client and server side start with, try t
Struts-Token (token) mechanism to form a good solution to the problem of duplicate submission, the basic principle is: the server handling the request arrives before the request will be included in the current token value stored in the user session token
原帖及讨论：http://bbs.bccn.net/thread-237267-1-1.html首先说说防止重复提交按钮是啥东西： 我们在访问有的网站，输入表单完成以后，单击提交按钮进行提交以后，提交按钮就会变为灰色，用户不能再单击第二次，直到重新加载页面或者跳转。这样，可以一定程度上防止用户重复提交导致应用程序上逻辑错误。有朋友说，这个按钮完全可以用js来做，是的。不过当你需要大量这种按钮时，是否为每一个都去编程而不封装一个呢？ 另外，为了增加其功能性，我们除了让他有防止重复提交的功能以外，还
Settings are divided into two steps: 1. Modify Struts.xml configuration (to name searchAction example) <action name="searchAction" method="execute"> <result> / pages / MainPage.jsp </ result> </ Action> For
Application scenarios: from the page to insert data into the database, such as user registration, submission of a message and so on, when the operation is successful, then click the "Back" button to return to the form page to submit the form aga
Prevent the same table, insert the same record two concurrent sessions of the solution (original)
Prevent the same table, insert the same record two concurrent sessions of the solution Background Two concurrent sessions, concurrent access to a table, insert a record to the table, the primary key ID is the serial number from growing, so the two se
struts2 interceptor used to check whether the duplicate form submission, which uses synchronous token approach to achieve a form submitted by the judge to repeat. First need to use the form <s:token name="user.token"> </ s: token&g ...
Zai server-side to judge whether the duplicate form submission, mainly between pages can be considered through the Session Gongxiang flag variable used to realize, that the client signs in Page Setup Session variables, then the server flags section of pai
Troublesome really ah, finally get Some RJS message Introduction What are RJS? What are RJS? Ajax allows users with the interaction between the browser experience is more like desktop programs. Since Ajax allows the browser to initiate a remote call in th
It's really annoying, ah, finally get Some message RJS Introduction What is RJS? What is RJS? Ajax allows the user and the interaction between the browser experience is more like desktop programs. Since Ajax allows the browser to launch long-distance
Read online, there are several methods: A form in your page HEAD area where adding this code: <META HTTP-EQUIV="pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate
2010-03-05 20:55 Struts-Token (token) mechanism can be properly resolved to submit the form to repeat the question, the basic principle is: the server-side in dealing with requests arrive before the request will be included in the token value stored in th
Struts's Token (token) mechanism to form a good solution to the problems submitted to repeat, the basic principle is: the server-side request handling before arrival, the request will be included in the token value stored in current user session in To
These days for some reason looked at ways to prevent duplicate submission is in order as follows: 1: Use struts1.x the Token mechanism (from http://www.javaeye.com/topic/627822 posts) Struts's Token (token) mechanism to form a good solution to the pro
Struts solution to use the Token mechanism to submit the form to repeat Struts's Token (token) mechanism to form a good solution to the problems submitted to repeat, the basic principle is: the server-side request handling before arrival, the request
Struts2 form tags Xiangjie All labels can be divided into two forms: form label itself and the individual form element tag. Struts2 form element tags contain a lot of property. However, many properties entirely generic. General properties of the form tag