导出到EXECL出错，请各位高手帮我看看是什么错误，非常感谢！！！

Question

HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: export.test1.createExcelFile(Ljava/lang/String;Ljava/util/List;Ljava/util/List;Ljava/lang/String;Ljava/lang/String;)V
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
org.apache.jsp.outexcel_jsp._jspService(outexcel_jsp.java:166)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause java.lang.NoSuchMethodError: export.test1.createExcelFile(Ljava/lang/String;Ljava/util/List;Ljava/util/List;Ljava/lang/String;Ljava/lang/String;)V
org.apache.jsp.outexcel_jsp._jspService(outexcel_jsp.java:156)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
--------------------------------------------------------------------------------Apache Tomcat/5.0.28

Answer 1

你这个createExcelFile方法写得不对阿

Answer 2

NoSuchMethodError 没有找到方法看看是不是你的包没有导入，或是路径不对

Answer 3

<jsp:useBean id="test1" scope="page" class="export.test1"></jsp:useBean>
test1.createExcelFile("D:\\t.xls",list,list1,date1,date2);package export;
public class test1
{public  void createExcelFile(String excelFileName,List listname,List listlog,String date1,String date2)
{
int days=0;
try {
days = getBetweenDays(date1, date2);
} catch (ParseException e2) {
e2.printStackTrace();
}
DateFormat format = new SimpleDateFormat("yyyy-MM-dd"); 
try {
Date d1 = format.parse(date1);
} catch (ParseException e1) {
e1.printStackTrace();
} 
try
{
// 创建workbook,worksheet
WritableWorkbook wkbook = Workbook.createWorkbook(new File(
excelFileName));
WritableSheet wksheet = wkbook.createSheet("sheet1", 0); // 设置格式1
WritableFont time18Bold = new WritableFont(WritableFont.ARIAL, 18,
WritableFont.BOLD); WritableCellFormat cellFormat = new WritableCellFormat(time18Bold);
cellFormat.setBackground(Colour.GRAY_25);
cellFormat.setAlignment(Alignment.CENTRE);
cellFormat.setBorder(Border.ALL, BorderLineStyle.THIN);
// 格式2
WritableFont tahoma18Arial = new WritableFont(WritableFont.ARIAL,
18, WritableFont.BOLD);
WritableCellFormat cellFormat1 = new WritableCellFormat(
tahoma18Arial);
cellFormat1.setAlignment(Alignment.CENTRE);
cellFormat1.setVerticalAlignment(VerticalAlignment.CENTRE);
cellFormat1.setBorder(Border.ALL, BorderLineStyle.THIN);
cellFormat1.setWrap(true);
// 格式3
WritableFont tahoma10Arial = new WritableFont(WritableFont.ARIAL,
10, WritableFont.NO_BOLD);
WritableCellFormat cellFormat2 = new WritableCellFormat(
tahoma10Arial);
cellFormat2.setAlignment(Alignment.CENTRE);
cellFormat2.setVerticalAlignment(VerticalAlignment.CENTRE);
cellFormat2.setWrap(true);
cellFormat2.setBorder(Border.ALL, BorderLineStyle.THIN); // 第一行
wksheet.setRowView(0, 600); Label lr = new Label(0, 0, "工作日志", cellFormat1);
wksheet.mergeCells(0, 0, 10, 0);
wksheet.addCell(lr); // 第二行1
lr = new Label(0, 1, "姓名", cellFormat);
wksheet.setRowView(1, 500);
wksheet.addCell(lr); // 2 for (int i = 0; i < days; i++)
{
lr = new Label(3 * i + 1, 1, "d1", cellFormat); wksheet.mergeCells(3 * i + 1, 1, 3 * i + 3, 1);
wksheet.addCell(lr); }
int count=0;
// 第三行1
for(int r=0;r<listname.size();r++)
{
lr = new Label(0, r+2, (String)listname.get(r), cellFormat1);
wksheet.setRowView(2, 4000);
wksheet.addCell(lr);

// 2
for (int i = 0; i < days; i++,count++)
{
lr = new Label(
3 * i + 1,
r+2,
(String)listlog.get(count),
cellFormat2);
System.out.println((String)listlog.get(count));
System.out.println(count);
wksheet.mergeCells(3 * i + 1, r+2, 3 * i + 3, r+2);
wksheet.addCell(lr);
}
}
// 写入excel并关闭
wkbook.write();
wkbook.close();
} catch (IOException e)
{
e.printStackTrace();
} catch (WriteException e)
{
e.printStackTrace();
}
}
}
这就是我调用的过程，参数和文件名调用的有错吗？