Friday 26 February 2021 Lantern Festival

time	things done
Morning
09.00-09.50	8. Summary of Controller configuration. Use the annotation @Controller to achieve page reuse. Use the annotation @Controller. This method is simple to operate, and the specific effect has not been summed up by itself.
10.00-10.50	9. Description of RequestMapping. The @RequestMapping annotation is used to map urls to controller classes or a specific handler method. Can be used on classes or methods. Used on a class, indicating that all methods in the class that respond to requests use this address as the parent path. 10. RestFul style explanation.
11.00-11.30	10. RestFul style explanation. In Spring MVC, you can use the @PathVariable annotation to bind the value of a method parameter to a URI template variable. Benefits of using path variables? Make the path more concise;
noon
15.00-15.50	Lantern Festival. They went to play basketball. rest. Come late. Cool cool.
16.00-16.50	11. Redirect and turn
17.00-17.30	12. Receive request parameters and data echo +13. Solve the problem of garbled characters
evening	Lantern Festival dinner.
20.30-20.50	13. Solve the problem of garbled characters
21.00-21.50	13. Solve the problem of garbled characters (this video skips frames)
	14. What is JSON+15, Jackson uses