(00. Preface 01. Tutorial Introduction_ Introduction to ExtJS4.2_ Building the SSH2 basic framework 02. Writing several general service methods and designing databases 03. Building the MVC framework of ExtJS 04. Building the main interface, logging functions and generating the menu tree 05. Creating the menu tree and saving user information in the foreground 06. Menu tree response events, building the interface of my article module 07. Continuing to build my article module and realizing background queries 08. Implementing adding article functions and optimizing code 09. Implementing the selection of article categories Realize the background function of adding articles 10. Realize the background function of adding articles and deleting functions 11. Realize the right-click menu function and customize a button 12. Article preview function and article modification function 13. Detect article review (rewrite some methods of paging components) 14. Improve paging components and detect article review background functions 15. Operate the office area on the right by the menu tree Realize the administrator's article management function 16. Review the article magic module front and background, detect my review 17. Manage review, realize my review function 18. Email management: build my email front and background interfaces 19. Email management: send box, read email, delete email 20. Send new email, reply email - realize email management function (I))