Java implements Excel data import and Export

Write an Excel file import java.io.*;import Jxl.*;import java.lang.boolean;public class writetoexcel{public Boolean run (stri            ng TargetFile) {try{Jxl.write.WritableWorkbook WWB = Workbook.createworkbook (new File (targetfile));            Jxl.write.WritableSheet ws = Wwb.createsheet ("MySheet1", 0);  for (int i = 0, I < i++) {for (int j = 0; J <; J + +) {Jxl.write.Label LABELC =                    New Jxl.write.Label (J, I, "cell[" +i+ "," +j+ "]");                Ws.addcell (LABELC);            }} wwb.write ();        Wwb.close ();//Remember to close to free space return true;            } catch (Exception e) {e.printstacktrace ();        return false; }}//reads an Excel file (created by the code above) and outputs the contents of import Java.io.*;import Jxl.*;import JXL on the console.            Workbook;import Java.lang.boolean;public class Readfromexcel {public Boolean run (String targetfile) {try{ InputStream is = new FileInputStream (TARGETFILE); Jxl.            Workbook RWB = Workbook.getworkbook (IS);            Sheet rs = rwb.getsheet (0); for (int i = 0, I < i++) {for (int j = 0; J <; J + +) {cell cell = Rs.getcell (j                , i);//The first digit is the column number, the second digit is the line number System.out.print (cell.getcontents () + "\ r");            } System.out.println ();            } rwb.close ();        return true;            } catch (Exception e) {e.printstacktrace ();        return false; }    }}

　　

Java implements Excel data import and Export