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来自 , 2020-12-17, 写在 Java, 查看 178 次.
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/**
* 读Excel文件内容
*
* @param fileName
*/
public
void
readExcel
(
String
fileName
)
{
File
file
=
new
File
(
fileName
)
;
FileInputStream
in
=
null
;
try
{
// 创建对Excel工作簿文件的引用
in
=
new
FileInputStream
(
file
)
;
HSSFWorkbook workbook
=
new
HSSFWorkbook
(
in
)
;
// 创建对工作表的引用。
// 这里使用按名引用
HSSFSheet sheet
=
workbook.
getSheet
(
"Test_Table"
)
;
// 也可用getSheetAt(int index)按索引引用,
// 在Excel文档中,第一张工作表的缺省索引是0,其语句为:
// HSSFSheet sheet = workbook.getSheetAt(0);
// 下面读取Excel的前5行的数据
System
.
out
.
println
(
"下面是Excel文件"
+
file.
getAbsolutePath
(
)
+
"的内容:"
)
;
HSSFRow row
=
null
;
HSSFCell cell
=
null
;
int
rowNum
=
0
;
// 行标
int
colNum
=
0
;
// 列标
for
(
;
rowNum
<
5
;
rowNum
++
)
{
// 获取第rowNum行
row
=
sheet.
getRow
(
(
short
)
rowNum
)
;
for
(
colNum
=
0
;
colNum
<
5
;
colNum
++
)
{
// 获取当前行的colNum位置的单元格
cell
=
row.
getCell
(
(
short
)
colNum
)
;
System
.
out
.
print
(
cell.
getStringCellValue
(
)
+
"
\t
"
)
;
}
// 换行
System
.
out
.
println
(
)
;
}
in.
close
(
)
;
}
catch
(
Exception
e
)
{
System
.
out
.
println
(
"读取Excel文件"
+
file.
getAbsolutePath
(
)
+
"失败:"
+
e
)
;
}
finally
{
if
(
in
!=
null
)
{
try
{
in.
close
(
)
;
}
catch
(
IOException
e1
)
{
}
}
}
}
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/** * 读Excel文件内容 * * @param fileName */ public void readExcel(String fileName) { File file = new File(fileName); FileInputStream in = null; try { // 创建对Excel工作簿文件的引用 in = new FileInputStream(file); HSSFWorkbook workbook = new HSSFWorkbook(in); // 创建对工作表的引用。 // 这里使用按名引用 HSSFSheet sheet = workbook.getSheet("Test_Table"); // 也可用getSheetAt(int index)按索引引用, // 在Excel文档中,第一张工作表的缺省索引是0,其语句为: // HSSFSheet sheet = workbook.getSheetAt(0); // 下面读取Excel的前5行的数据 System.out.println("下面是Excel文件" + file.getAbsolutePath() + "的内容:"); HSSFRow row = null; HSSFCell cell = null; int rowNum = 0;// 行标 int colNum = 0;// 列标 for (; rowNum < 5; rowNum++) { // 获取第rowNum行 row = sheet.getRow((short) rowNum); for (colNum = 0; colNum < 5; colNum++) { // 获取当前行的colNum位置的单元格 cell = row.getCell((short) colNum); System.out.print(cell.getStringCellValue() + "\t"); } // 换行 System.out.println(); } in.close(); } catch (Exception e) { System.out .println("读取Excel文件" + file.getAbsolutePath() + "失败:" + e); } finally { if (in != null) { try { in.close(); } catch (IOException e1) { } } } }
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