Jar package export process
Right-click the project name -> export
Select java-> JAR file
next-> Select Path
Export success
Generated api documentation
Select doc-> Right-export
java->javadoc
Select an item and path
Problems encountered on the way:
Error: Source Options 1.3 is no longer supported. Please use version 7 or higher.
javadoc-> next (but not finish) -> next-> JRE source compatibility
Error: The character encoding GBK unmappable
javadoc-> next (but not finish) -> next-> extra javadoc options added under
-encoding utf-8 -charset utf-8