Use dwr framework to implement Ajax
Introduction
update time：2018-01-10
Framework introduction: DWR (Direct Web Remoting)
It is a remote server-side Ajax open source framework used to improve the interaction between web pages and Java classes. It can help developers develop websites that include AJAX technology. It allows code in the browser to use JAVA functions running on the WEB server as if it were inside the browser.
Basic functions implemented by this Demo:
Click the button on the jsp interface, call the server-side java code through DWR, and print out the value in the jsp input box on the console
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