ps: follow the recording screen on java web teacher, she listens found to use ajax jar package, but not contact the teacher, to fend for themselves download, force myself to raise my
First attach need to download the jar package
Download jar package:
https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations
https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core
https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind
Download method:
ps: here only show a first embodiment download jar package, two otherwise identical to download
(1) the need to download jar package for 2.5.0, after entering the official website to find the 2.5.x jar package
(2) Click 2.5.0 enter, select View All
(3) wish to download the jar package, click to download
Instructions:
The lower jar package downloaded copy to the eclipse lib folder, then select the three jar package, right Build Path, select Add to Build Path, effect is as follows:
After doing the above work, you can use the corresponding jar package