There are no project folders in the Eclipse Startup Web project Tomcat WebApps __eclipse

Well, always use MyEclipse, and later when using Eclipse, start the project and go to Tomcat WebApps to find the corresponding folder and find out if it's not there. Eclipse defaults to local tomcat deployment.
1.eclipse Unlike MyEclipse, the project is deployed to the WebApps in the Tomcat installation directory by default and is deployed to the working directory by default. metadata.plugins\org.eclipse.wst.server.core\ In Tmp1\wtpwebapps, the Tmp1 folder contains information about the item.
2. Resolve:
In order for the project to be deployed by default to the WebApps in the Tomcat installation directory, show view->servers-> find the tomcat-> right click that needs to be modified
① Stop the Tomcat server within Eclipse (stop)
② Delete the items deployed in this container (add and remove)
③ clear the container-related data (clean)
④ Open the Tomcat modification interface
⑤ Find servers location, select a second (User tomcat installation)
⑥ Modify deploy Path to WebApps
⑦ Save Close