ExcelAPI.h
#ifndef EXCEL_H
#define EXCEL_H
#include
#include
#include
class ExcelAPI : public QObject
{
Q_OBJECT
private:
explicit ExcelAPI(QObject *parent = 0);
static ExcelAPI *_instance;
QStringList html;
void checkBorder(bool border);
public:
static ExcelAPI *Instance() {
static QMutex mutex;
if (!_instance) {
QMutexLocker locker(&mutex);
if (!_instance) {
_instance = new ExcelAPI;
}
}
return _instance;
}
void ToExcel(QString fileName, QString sheetName, QString title, QString subTitle,
QList<QString> columnNames, QList<int> columnWidths,
QStringList content, bool border, bool check);
void ToExcel(QString fileName, QString sheetName, QString title,
QList<QString> columnNames, QList<int> columnWidths,
QStringList subTitle1, QStringList subTitle2,
QStringList content, bool border, bool check);
};
#endif
ExcelAPI.cpp
#if _MSC_VER >= 1600
#pragma execution_character_set("utf-8")
#endif
#include "excelapi.h"
#include "myhelper.h"
ExcelAPI *ExcelAPI::_instance = 0;
ExcelAPI::ExcelAPI(QObject *parent) :
QObject(parent)
{
}
void ExcelAPI::checkBorder(bool border)
{
if (border) {
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
}
}
void ExcelAPI::ToExcel(QString fileName, QString sheetName, QString title, QString subTitle,
QList<QString> columnNames, QList<int> columnWidths,
QStringList content, bool border, bool check)
{
if (sheetName.length() == 0) {
sheetName = "Sheet1";
}
int columnCount = columnNames.count();
int rowCount = content.count();
html.clear();
html.append("\n");
html.append("\n");
html.append(");
html.append(" xmlns:o=\"urn:schemas-microsoft-com:office:office\"\n");
html.append(" xmlns:x=\"urn:schemas-microsoft-com:office:excel\"\n");
html.append(" xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\"\n");
html.append(" xmlns:html=\"http://www.w3.org/TR/REC-html40\">\n");
html.append(" \n");
html.append(" \n");
html.append(QString(" %1\n").arg(QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss")));
html.append(" 11.6360\n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" 9795\n");
html.append(" 21435\n");
html.append(" 120\n");
html.append(" 75\n");
html.append(" 75\n");
html.append(" False\n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(QString(" \n").arg(sheetName));
html.append(QString(" ).arg(columnCount));
html.append(" x:FullRows=\"1\" ss:DefaultColumnWidth=\"54\" ss:DefaultRowHeight=\"18\">\n");
for (int i = 0; i < columnCount; i++) {
html.append(QString(" \n").arg(columnWidths.at(i)));
}
if (title.length() > 0) {
html.append(" \n"
);
html.append(QString(" %2 | \n")
.arg(columnCount - 1).arg(title));
html.append(" ");
}
if (subTitle.length() > 0) {
html.append(" \n"
);
html.append(QString(" %2 | \n")
.arg(columnCount - 1).arg(subTitle));
html.append(" ");
}
if (columnCount > 0) {
html.append(" \n"
);
for (int i = 0; i < columnCount; i++) {
html.append(QString(" %1 | \n")
.arg(columnNames.at(i)));
}
html.append(" \n");
}
for (int i = 0; i < rowCount; i++) {
html.append(" \n"
);
QString temp = content.at(i);
QStringList value = temp.split(";");
if (check) {
if (value.at(value.count() - 1) == "历史记录") {
foreach (QString str, value) {
html.append(QString(" %1 | \n").arg(str));
}
} else {
foreach (QString str, value) {
html.append(QString(" %1 | \n").arg(str));
}
}
} else {
foreach (QString str, value) {
html.append(QString(" %1 | \n").arg(str));
}
}
html.append(" \n");
}
html.append("
\n");
html.append(" \n");
html.append(" \n");
html.append(" );
html.append(" );
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" False\n");
html.append(" False\n");
html.append(" \n");
html.append(" \n");
html.append("\n");
QFile file(fileName);
if (file.open(QFile::WriteOnly | QIODevice::Text)) {
QTextStream text(&file);
text.setCodec("UTF-8");
text << html.join("");
}
}
void ExcelAPI::ToExcel(QString fileName, QString sheetName, QString title,
QList<QString> columnNames, QList<int> columnWidths,
QStringList subTitle1, QStringList subTitle2,
QStringList content, bool border, bool check)
{
if (sheetName.length() == 0) {
sheetName = "Sheet1";
}
int columnCount = columnNames.count();
html.clear();
html.append("\n");
html.append("\n");
html.append(");
html.append(" xmlns:o=\"urn:schemas-microsoft-com:office:office\"\n");
html.append(" xmlns:x=\"urn:schemas-microsoft-com:office:excel\"\n");
html.append(" xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\"\n");
html.append(" xmlns:html=\"http://www.w3.org/TR/REC-html40\">\n");
html.append(" \n");
html.append(QString(" %1\n").arg(""));
html.append(QString(" %1\n").arg(QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss")));
html.append(" 11.6360\n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" 9795\n");
html.append(" 21435\n");
html.append(" 120\n");
html.append(" 75\n");
html.append(" 75\n");
html.append(" False\n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(QString(" \n").arg(sheetName));
html.append(QString(" ).arg(columnCount));
html.append(" x:FullRows=\"1\" ss:DefaultColumnWidth=\"54\" ss:DefaultRowHeight=\"18\">\n");
for (int i = 0; i < columnCount; i++) {
html.append(QString(" \n").arg(columnWidths.at(i)));
}
if (title.length() > 0) {
html.append(" \n"
);
html.append(QString(" %2 | \n")
.arg(columnCount - 1).arg(title));
html.append(" ");
}
int count = content.count();
for (int i = 0; i < count; i++) {
html.append(" \n"
);
html.append(" ");
if (subTitle1.count() > 0 && subTitle1.count() > i) {
if (subTitle1.at(i).length() > 0) {
html.append(" \n"
);
html.append(QString(" %2 | \n")
.arg(columnCount - 1).arg(subTitle1.at(i)));
html.append(" ");
}
}
if (subTitle2.count() > 0 && subTitle2.count() > i) {
if (subTitle2.at(i).length() > 0) {
html.append(" \n"
);
html.append(QString(" %2 | \n")
.arg(columnCount - 1).arg(subTitle2.at(i)));
html.append(" ");
}
}
if (columnCount > 0) {
html.append(" \n"
);
for (int j = 0; j < columnCount; j++) {
html.append(QString(" %1 | \n").arg(columnNames.at(j)));
}
html.append(" \n");
}
QStringList list = content.at(i).split(";");
int rowCount = list.count();
for (int j = 0; j < rowCount; j++) {
html.append(" \n"
);
QString temp = list.at(j);
QStringList value = temp.split("|");
int valueCount = value.count();
if (check) {
if (value.at(valueCount - 1) == "1") {
for (int k = 0; k < valueCount - 1; k++) {
html.append(QString(" %1 | \n")
.arg(value.at(k)));
}
} else {
for (int k = 0; k < valueCount - 1; k++) {
html.append(QString(" %1 | \n")
.arg(value.at(k)));
}
}
} else {
for (int k = 0; k < valueCount; k++) {
html.append(QString(" %1 | \n")
.arg(value.at(k)));
}
}
html.append(" \n");
}
}
html.append("
\n");
html.append(" \n");
html.append(" \n");
html.append(" );
html.append(" );
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" \n");
html.append(" False\n");
html.append(" False\n");
html.append(" \n");
html.append(" \n");
html.append("\n");
QFile file(fileName);
if (file.open(QFile::WriteOnly | QIODevice::Text)) {
QTextStream text(&file);
text.setCodec("UTF-8");
text << html.join("");
}
}
使用案例
void frmAlarm::on_btnExcel_clicked()
{
QString type = "所有告警记录";
QString defaultName = QString("%1/%2.xls").arg(App::AppPath).arg(STRDATETIME);
QString file = QFileDialog::getSaveFileName(this, "保存文件", defaultName, "Excel(*.xls)");
if (file.length() == 0) {
return;
}
QStringList content = GetContent();
int rowCount = content.count();
if (rowCount > 10000) {
QString msg = QString("要导出的数据共 %1 条,请耐心等待!确定要导出数据吗?").arg(rowCount);
if (myHelper::ShowMessageBoxQuestion(msg) != 1) {
return;
}
}
QList<int> columnWidths;
columnWidths.append(150);
columnWidths.append(120);
columnWidths.append(180);
columnWidths.append(100);
columnWidths.append(150);
ExcelAPI::Instance()->ToExcel(file, type, type, "", columnNames, columnWidths, content, true, false);
QString msg = QString("导出%1到Excel").arg(type);
DBHelper::AddEventInfoUser(msg);
if (myHelper::ShowMessageBoxQuestion(msg + "成功!确定现在就打开吗?") == 1) {
QString url = QString("file:///%1").arg(file);
QDesktopServices::openUrl(QUrl(url, QUrl::TolerantMode));
}
}
