總是感覺對於c#中讀取excel檔案是非常麻煩，還是決定自己來封裝乙個基於com介面的類解決這個問題。
整體設計以及實現如下(首先**入對於microsoft.csharp以及office object library、excel object library 譬如12.0版本的引用)：
public
sealed
class
excelfilereader
private
string
m_strfilename =
null
;private
null
;private
workbook
m_workbook =
null
;private
intm_totalsheets = 0;
private
intm_activesheet = 0;
private
intm_sheetcolumns = 0;
private
intm_sheetrows = 0;
public
excelfilereader(
string
filename)
m_strfilename = filename;
public
string
filename
getset
public
inttotalsheets
getpublic
intactivesheetindex
getpublic
intsheetcolumns
getpublic
intsheetrows
getpublic
void
this
new();
try
this
this
.m_strfilename,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing,
type
.missing);
this
.m_totalsheets =
this
.m_workbook.sheets.count;
catch
public
void
scanexcelsheetsizebyindex(
intsheetindex)
worksheet
sheet = (
worksheet
)m_workbook.sheets[sheetindex];
range
excelrange = sheet.usedrange;
this
.m_sheetcolumns = excelrange.columns.count;
this
.m_sheetrows = excelrange.rows.count;
this
.m_activesheet = sheetindex;
public
void
scanexcelsheetsizebyname(
string
strname)
for(
intsheetnumber = 1; sheetnumber < m_totalsheets + 1; sheetnumber++)
worksheet
sheet = (
worksheet
)m_workbook.sheets[sheetnumber];
if(sheet.name.tolower().equals(strname.tolower()))
this
.m_activesheet = sheetnumber;
range
excelrange = sheet.usedrange;
this
.m_sheetcolumns = excelrange.columns.count;
this
.m_sheetrows = excelrange.rows.count;
public
string
getcellvalue(
introw,
intcolumn)
worksheet
sheet = (
worksheet
)m_workbook.sheets[
this
.m_activesheet];
string
cellinfo = ((excel.
range
)sheet.cells[row, column]).value;
return
cellinfo;
public
void
try
this
.m_workbook.close(
false
, this
.m_strfilename,
null
);marshal
.releasecomobject(
this
.m_workbook);
catch
使用測試的方法，這裡以乙個路由整個excel檔案的所有格仔內容為例來設計使用案例：
static
void
main(
string
args)
excelfilereader
efr =
newexcelfilereader
(@"d:\work\cimc\parser\test.xlsx"
);int
sheets = efr.totalsheets;
for(
inti = 1; i <= sheets; i++)
efr.scanexcelsheetsizebyindex(i);
introws = efr.sheetrows;
intcolumns = efr.sheetcolumns;
for(
intm=1; m<=rows; m++)
for(
intn=1; n<=columns; n++)
string
strvalue = efr.getcellvalue(m, n);
console
.writeline(strvalue);
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