How to add server.servlet.context-path in Springboot

Springboot adds server.servlet.context-path

The role of server.servlet.context-path configuration

Definition: server. servlet.context-path= # Context path of the application. The context path of the application, which can also be called the project path, is part of the url address.

• When server.servlet.context-path is not configured, the default is /, such as: localhost:8080/xxxxxx

• When server.servlet When .context-path is configured, such as /demo, the access method at this time is localhost:8080/demo/xxxxxx

Configuration differences after springboot 2.0 changes

1. Before springboot 2.0, it was configured as server.context-path

2. After springboot 2.0, it was configured as server.servlet.context-path

A thought

Original Operational project (already online), after adding the server.servlet.context-path configuration to the configuration file, do I need to add the action request in thymleaf?

Answer: No need.

Chestnut:

The front-end page adopts form request

<form th:action="@{/user/userLogin}" method="post" id="userLogin"></form>

action interception acceptance method

@Controller
@RequestMapping("/user")
public class LoginController {
 
@PostMapping("/userLogin")
public String userLogin(HttpServletRequest request, Model model) {

Based on the original project, add A configuration

server:  port: 8080  servlet:    context-path: /demo

only needs to add localhost:8080/demo when entering the homepage again. There is no need to add /demo for subsequent hrefs and actions in thymleaf.

Springboot configures server.servlet-path and server.context-path

server.context-path

Set the application context-path.

The context-path is different depending on the springboot version:

• If it is below springboot2.0, configure server.context-path=/demo

• If it is springboot2.0 or above, configure server.servlet.context-path=/demo

server.servlet-path

• Set the monitoring path of dispatcher servlet, the default is: /

Example :

• If configured server.servlet-path = /demo, the access path is http://ip:port/demo/...

• No configuration or server.servlet-path = /, the access path It's http://ip:port/...

Small extension:

1. Only server.servlet-path = is configured /demo, the access path is http://ip:port/demo/...

2. If the idea used is only the Application context configured in Tomcat, the access path is http://ip: port/test/...

3. If you use the idea, the Application context has been configured in Tomcat (picture below), server.servlet-path = /demo is also configured, and the access path is http: //ip:port/test/demo/...

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