搞定车商方案表读取。

This commit is contained in:
2019-12-19 17:10:29 +08:00
parent 57194b10ea
commit 413c6c2f29
10 changed files with 301 additions and 30 deletions

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#include <string>
#include <stdio.h>
#include <windows.h>
#include <stdexcept>
#include "excel.h"
using namespace std;
using namespace libxl;
void setKey( libxl::Book * pBook )
{
if ( pBook != nullptr )
{
pBook->setKey( L"cpic", L"windows-202d21040bc4e70060bc6264a6ucu7i1" );
}
}
std::wstring ReadCellStringFromXlsx( libxl::IBookT<wchar_t> * pBook,
unsigned int sheetIndex,
unsigned int rowIndex,
unsigned int colIndex,
bool isInteger )
{
using namespace libxl;
std::wstring returnValue;
int year = 0;
int month = 0;
int day = 0;
int hour = 0;
int min = 0;
int second = 0;
//验证
if ( pBook == nullptr )
{
throw std::logic_error( "ReadCellStringFromXlsx pSheet参数错误" );
}
ISheetT<wchar_t> * pSheet = pBook->getSheet( sheetIndex );
CellType cellType = pSheet->cellType( rowIndex, colIndex );
//判断单元格类型
switch ( cellType )
{
case CellType::CELLTYPE_BOOLEAN: //bool类型
{
returnValue = pSheet->readBool( rowIndex, colIndex ) ? L"true" : L"false";
break;
}
case CellType::CELLTYPE_NUMBER: //数字类型,还得再判断一下是不是日期类型
{
double cellValue = pSheet->readNum( rowIndex, colIndex );
wchar_t buffer[50]; //生成字符串的缓冲区
if ( pSheet->isDate( rowIndex, colIndex ) == true )
{
//是日期类型
if ( pBook->dateUnpack( cellValue,
&year,
&month,
&day,
&hour,
&min,
&second ) == false )
{
throw std::runtime_error( "转换日期格式失败!" );
}
//排除bug
if ( min >= 60 )
{
hour = hour + 1;
min = min - 60;
}
// if ( hour >= 24 )
// {
// day = day + 1;
// hour = hour - 24;
// }
//
// switch ( month )
// {
// case 1:
// case 3:
// case
// }
wsprintfW( buffer, L"%d-%.2d-%.2d %.2d:%.2d:%.2d", year, month, day, hour, min, second );
}
else
{
//是数字类型, 根据isInteger参数选择输出整型或者浮点型
if ( isInteger == true )
{
wsprintfW( buffer, L"%d", static_cast<long>(cellValue) );
}
else
{
wsprintfW( buffer, L"%f", cellValue );
}
}
returnValue = buffer;
break;
}
case CELLTYPE_STRING: //字符串类型,要先判断一下读取的结果是不是空值
{
const wchar_t * pValue = pSheet->readStr( rowIndex, colIndex );
if ( pValue != nullptr )
{
returnValue = pValue;
}
break;
}
}
return returnValue;
}
libxl::Sheet * getXlsxSheetByName( libxl::IBookT<wchar_t> * pBook, const std::wstring & sheetName )
{
Sheet * pSheet = nullptr;
Sheet * pCurrentSheet = nullptr;
if ( pBook == nullptr )
{
throw logic_error( "参数错误!" );
}
int sheetCount = pBook->sheetCount();
int sheetIndex = 0;
while ( sheetIndex < sheetCount )
{
pCurrentSheet = pBook->getSheet( sheetIndex );
wstring currentSheetName = pCurrentSheet->name();
if ( currentSheetName == sheetName )
{
pSheet = pCurrentSheet;
break;
}
sheetIndex++;
}
return pSheet;
}

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#pragma once
#ifndef EXCEL_H_
#define EXCEL_H_
#include <libxl.h>
void setKey( libxl::Book * pBook );
/************************************************
* \brief 从xlsx文件单元格中读取数据以字符串为返回值。
* \param pBook libxl的Book对象。
* \param sheetIndex sheet的索引值
* \param rowIndex 行号
* \param colIndex 列号
* \return 返回的字符串
************************************************/
std::wstring ReadCellStringFromXlsx( libxl::IBookT<wchar_t> * pBook,
unsigned int sheetIndex,
unsigned int rowIndex,
unsigned int colIndex,
bool isInteger );
/************************************************
* \brief 通过名称获取sheet
* \param sheetName
* \return
************************************************/
libxl::Sheet * getXlsxSheetByName( libxl::IBookT<wchar_t> * pBook, const std::wstring & sheetName );
#endif