Java 我在尝试读取包含所提供代码的Excel文件时遇到“找不到类”错误
尝试读取Excel文件时出现以下错误:Java 我在尝试读取包含所提供代码的Excel文件时遇到“找不到类”错误,java,apache-poi,Java,Apache Poi,尝试读取Excel文件时出现以下错误: Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook at Caused by: java.lang.ClassNotFoundException: org.apache.poi.hssf.usermodel.HSSFWorkbook at java.net.URLClassLoader.f
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/hssf/usermodel/HSSFWorkbook
at
Caused by: java.lang.ClassNotFoundException: org.apache.poi.hssf.usermodel.HSSFWorkbook
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 2 more
我使用以下代码读取扩展名为.xls的Excel文件。我尝试通过导入其他poi JAR来搜索答案,但没有帮助,我检查了搜索web,但再次没有帮助
public Object[][] getExcelData(String excelLocation, String sheetName) {
try {
Object dataSets[][] = null;
FileInputStream file = new FileInputStream(new File(excelLocation));
HSSFWorkbook workbook = new HSSFWorkbook(excelLocation);
HSSFSheet sheet = workbook.getSheet(sheetName);
int totalRowNum = sheet.getLastRowNum();
int totalColumnNum = sheet.getRow(0).getLastCellNum();
dataSets = new Object[totalRowNum][totalColumnNum];
Iterator<Row> rowIterator = sheet.iterator();
int i = 0;
while (rowIterator.hasNext()) {
i++;
HSSFRow row = (HSSFRow) rowIterator.next();
Iterator<Cell> cellIterator = row.cellIterator();
int j = 0;
while (cellIterator.hasNext()) {
j++;
HSSFCell cell = (HSSFCell) cellIterator.next();
switch (cell.getCellTypeEnum()) {
case STRING:
dataSets[i][j] = cell.getStringCellValue();
break;
case NUMERIC:
dataSets[i][j] = cell.getNumericCellValue();
break;
case BOOLEAN:
dataSets[i][j] = cell.getBooleanCellValue();
break;
case FORMULA:
dataSets[i][j] = cell.getCellFormula();
break;
default:
log.info("No matching ENUM Type Found");
break;
}
}
}
return dataSets;
} catch (Exception e) {
log.info(e.getCause());
e.printStackTrace();
}
return null;
}
public static void main(String[] args) {
ExcelHelper excel = new ExcelHelper();
String excelLocation = ResourceHelper.getResourcePath("\\src\\main\\resources\\testData\\testData.xls");
Object[][] data = excel.getExcelData(excelLocation, "Login");
}
}
从您的用户位置删除.m2->do Maven force update->Run我怀疑是否有人会单击随机的外部URL。可能重复的操作是不允许我将外部代码放在这里,它说的代码太多,我不知道如何编辑相同的代码,因此它支持stack overflow@achAmhainYes设置的规则。它是重复的但在给定的问题链接上,我尝试了所有的方法,但没有一种有效,这就是为什么我提出了一个新问题@achAmháin@Akash不,对不起,我没有点击你的外部链接。花点时间,将代码缩短为我们了解您的问题所需的唯一代码,然后只共享此代码。我们不会检查10000行代码。在你的问题上多加努力,因为你是需要我们帮助的人。谢谢@Java\u help\u Line