JXL notes

    It took a long time to practice jxl, Today, let's also remember the key points .

    jxl Mainly java Used for operation excel Of . Can be excel Read out the contents in , You can also write something to excel in .

    Both reading and writing are very similar .   The main classes when reading are ：  WritableWorkBook（ Its instance object is created through static methods   : WorkBook.createWorkBook(), Arguments can be files , Output stream   When reading, it should be a file ）;  Sheet class （ It is equivalent to a table in the document , adopt   WritableWorkBook Instance createSheet() Method instantiation .） Next is reading, needless to say .

    When writing operations ：WritableWorkBook（ Its instance object is created through static methods   : WorkBook.createWorkBook(), Arguments can be files , Output stream   When writing, it should be the output stream ）;  WritableSheet class （ It is equivalent to a table in the document , adopt   WritableWorkBook Instance createSheet() Method instantiation .）, The next step is to write , Needless to say .