Reprinted from Chen Meng's blog
Studying recently JavaEE lightweight framework , about servlet-mapping Medium url-partten The execution sequence of tags and web pages is not very clear , I searched many times and finally found this blog article （ Search is also a technology job , In the process of constantly understanding knowledge , In order to find the knowledge you lack more accurately ）, Carry it here , Right as a reminder .
Excerpt from a project web.xml File fragment ：
Access order: 1—>2—>3—>4, among 2 and 3 The value of must be the same .
url-pattern The value in the tag is to be entered in the browser address bar url, You can name it yourself , This url The access name is servlet-name median servlet, Two servlet-name The value of the tag must be the same , Because by servlet In the tag servlet-name The label maps to servlet-class Values in labels , Final visit servlet-class In the tag class.
also ,web.xml Of / It means http://localhost:8080/ + project name
and .jsp Page action, added / Absolute path http://localhost:8080/ , No addition / It's a relative path
Servlet engineering web.xml Medium servlet and servlet-mapping More about tags
- 【java】Servlet engineering web.xml Medium servlet and servlet-mapping label
Excerpt from a project web.xml File fragment : Access order: 1—>2—>3—>4, among 2 and 3 The value of must be the same . url-pattern The value in the tag is to be entered in the browser address bar url, You can live on your own ...
- Servlet engineering web.xml Medium servlet and servlet-mapping label 《 Reprint 》
Excerpt from a project web.xml File fragment : Access order: 1—>2—>3—>4, among 2 and 3 The value of must be the same . url-pattern The value in the tag is to be entered in the browser address bar url, You can live on your own ...
- How to make web.xml Medium context-param、Servlet、Listener and Filter Definition added to SpringBoot in
Put the traditional web The project moved to SpringBoot in , Indispensable web.xml Medium context-param.Servlet.Filter and Listener And so on . about Servlet.Filter and Li ...
- solve servlet stay web.xml The problem of path jump in
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" ...
- JavaWeb How to be in web.xml More than one servlet
15:34:42 <servlet> <description></description> <display-name>ListMusicServle ...
- 【Servlet】web.xml in welcome-file-list The role of
Try it today struts2+ urlrewrite+sitemesh Deployment project , Results found welcome-file-list The welcome page defined in doesn't work : <welcome-file-list> & ...
- 【Servlet】web.xml in url-pattern Usage of
Directory structure : contents structure [+] url-pattern Three ways of writing servlet The matching principle filter The matching principle The consequences of grammatical errors Reference article One .url-pattern Three ways of writing ...
- web.xml Different versions of servlet Header and version control
Reference article : http://www.cnblogs.com/beijingstruggle/p/5461146.html http://blog.csdn.net/z69183787/article/d ...
- web.xml In the Servlet In order to get context-param and init-param Parameters in
To quote :http://blog.csdn.net/yakson/article/details/9203231 web.xml There are two kinds of parameters that can be defined :1.application Parameters in range , Store in serv ...
Random recommendation
- Js Add the number of message prompts
There's a new demand , Like this demand , It needs to be packaged as a plug-in The back end returns this kind of data var data = [ { key:"020506", num:5 }, { key:"0 ...
- Tesla P4 In the depth of learning on the cost-effective rolling all the current mass production of FPGA
7000 The price of , 5.5T FP, 75W Less power consumption , The performance is close to M40, What kind of mass production do you have at present FPGA Can do ? Not to mention the difficulty of development and maintenance ...KU115 light PCIE+DMA+DDR4 controller+AX ...
- NPOI-- operation Excel It's a sharp weapon ( One )
I'm working on a product configuration project recently , It's similar to the independent installation on Jingdong , That is to configure a complete set of products according to their own needs , It's just that what we do is the configuration of a network product , Such as router , Switches and other network equipment . After configuration, the configuration information will be exported to Excel in , ...
- web How does the front end make the page layout stable and standard ？
Just started learning css+div Students of the layout , What's more confusing and difficult to write is the problem of compatibility , especially ie6 Wait for the lower version of the browser , At random, China gradually disappears and replaces , But at this stage, there are still some factors to consider . What's the reasonable layout of the webpage we wrote , ...
- Tree array lowbit() An explanation of the principle of function x&(x^(x-1)) x&-x
Tree array lowbit() What the function asks for is the lowest order 1 So it can be calculated by bit operation The tree array passes through x&(x^(x-1)) Be able to work out lowbit Why : First set x=6, namely 110(2) So we make ...
- Python A collection of various derivations of
The formula of deduction We've learned the simplest list derivations and generator expressions before . But beyond that , In fact, there are also dictionary derivations . Set derivation and so on . The following is a detailed format of derivation taking list derivation as an example , It is also applicable to other derivations . variabl ...
- ONDA v891 Connected to the adb debugging
This article can be deleted . You can see about v891root And partition articles , It introduces the driver tools . USB After the line is connected , Direct access to files , So there must be no problem with the connection itself . But , Always Windows over there MTP drive ...
- Vue Central event bus in development
stay Vue During the development, a large number of components will share data , For different situations ,Vue There are corresponding solutions . such as , Passing values from parent component to child component can use props, In complex projects, values can be transferred between different modules Vuex. however , For some simple ...
- be based on Mysql Database hundred million data under the sub database sub table program
Mobile Internet Era , Massive user data is generated every day , User behavior analysis based on user usage data, etc , All need to rely on data statistics and analysis , When the amount of data is small , The problem didn't come out , Database optimization is not very important , As the amount of data increases , ...
- hdu6038 Function Function mapping
/** subject :hdu6038 Function link :http://acm.hdu.edu.cn/showproblem.php?pid=6038 The question : Given a a array [0,n-1], One b array [0, ...