import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.CellRangeAddress;
import org.apache.poi.hssf.util.HSSFColor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.io.FileOutputStream;
import java.util.List;
/**
* ClassName:FactoryCreateTransactionController
* Description:
*/
@RestController
@RequestMapping("/factory/create/transaction")
public class FactoryCreateTransactionController {
private static final Logger logger = LogManager.getLogger(FactoryCreateTransactionController.class);
@Autowired
private FactoryCreateTransactionService factoryCreateTransactionService;
// 调用数据库数据生成excel表格
@GetMapping("/Get/gasPrice")
public String get() throws Exception {
List<FactoryCreateTransaction> all = factoryCreateTransactionService.findAll();
/* List listTimestamp = new ArrayList();
List listGasPrice = new ArrayList();
for(int i=0; i<all.size(); i++){
String timestamp = all.get(i).getTimeStamp();
String gasprice = all.get(i).getGasPrice();
listTimestamp.add(timestamp);
listGasPrice.add(gasprice);
logger.info("timestamp ========== " + timestamp);
logger.info("gasPrice ========== " + gasprice);
}*/
String sheetName = "gasPrice统计表单";
String titleName = "gasPrice统计表";
String fileName = "gasPriceAll";
int columnNumber = 3;
int[] columnWidth = { 10, 20, 30 };
String[][] dataList = { {String.valueOf(all.get(0).getId()), all.get(0).getTimeStamp(), all.get(0).getGasPrice()},
{String.valueOf(all.get(1).getId()), all.get(1).getTimeStamp(), all.get(1).getGasPrice()},
{String.valueOf(all.get(2).getId()), all.get(2).getTimeStamp(), all.get(2).getGasPrice()},
{String.valueOf(all.get(3).getId()), all.get(3).getTimeStamp(), all.get(3).getGasPrice()},
{String.valueOf(all.get(4).getId()), all.get(4).getTimeStamp(), all.get(4).getGasPrice()},
{String.valueOf(all.get(5).getId()), all.get(5).getTimeStamp(), all.get(5).getGasPrice()},
{String.valueOf(all.get(6).getId()), all.get(6).getTimeStamp(), all.get(6).getGasPrice()},
{String.valueOf(all.get(7).getId()), all.get(7).getTimeStamp(), all.get(7).getGasPrice()},
{String.valueOf(all.get(8).getId()), all.get(8).getTimeStamp(), all.get(8).getGasPrice()},
{String.valueOf(all.get(9).getId()), all.get(9).getTimeStamp(), all.get(9).getGasPrice()},
{String.valueOf(all.get(10).getId()), all.get(10).getTimeStamp(), all.get(10).getGasPrice()},
{String.valueOf(all.get(11).getId()), all.get(11).getTimeStamp(), all.get(11).getGasPrice()},
{String.valueOf(all.get(12).getId()), all.get(12).getTimeStamp(), all.get(12).getGasPrice()},
{String.valueOf(all.get(13).getId()), all.get(13).getTimeStamp(), all.get(13).getGasPrice()}
};
String[] columnName = { "id", "timeStamp", "gasPrice" };
ExportNoResponse(sheetName, titleName, fileName,
columnNumber, columnWidth, columnName, dataList);
return "success";
}
public static void ExportNoResponse(String sheetName, String titleName,
String fileName, int columnNumber, int[] columnWidth,
String[] columnName, String[][] dataList) throws Exception {
if (columnNumber == columnWidth.length&& columnWidth.length == columnName.length) {
// 第一步，创建一个webbook，对应一个Excel文件
HSSFWorkbook wb = new HSSFWorkbook();
// 第二步，在webbook中添加一个sheet,对应Excel文件中的sheet
HSSFSheet sheet = wb.createSheet(sheetName);
// sheet.setDefaultColumnWidth(15); //统一设置列宽
for (int i = 0; i < columnNumber; i++)
{
for (int j = 0; j <= i; j++)
{
if (i == j)
{
sheet.setColumnWidth(i, columnWidth[j] * 256); // 单独设置每列的宽
}
}
}
// 创建第0行 也就是标题
HSSFRow row1 = sheet.createRow((int) 0);
row1.setHeightInPoints(50);// 设备标题的高度
// 第三步创建标题的单元格样式style2以及字体样式headerFont1
HSSFCellStyle style2 = wb.createCellStyle();
style2.setAlignment(HSSFCellStyle.ALIGN_CENTER);
style2.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
style2.setFillForegroundColor(HSSFColor.LIGHT_TURQUOISE.index);
style2.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
HSSFFont headerFont1 = (HSSFFont) wb.createFont(); // 创建字体样式
headerFont1.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗
headerFont1.setFontName("黑体"); // 设置字体类型
headerFont1.setFontHeightInPoints((short) 15); // 设置字体大小
style2.setFont(headerFont1); // 为标题样式设置字体样式
HSSFCell cell1 = row1.createCell(0);// 创建标题第一列
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0,
columnNumber - 1)); // 合并第0到第17列
cell1.setCellValue(titleName); // 设置值标题
cell1.setCellStyle(style2); // 设置标题样式
// 创建第1行 也就是表头
HSSFRow row = sheet.createRow((int) 1);
row.setHeightInPoints(37);// 设置表头高度
// 第四步，创建表头单元格样式 以及表头的字体样式
HSSFCellStyle style = wb.createCellStyle();
style.setWrapText(true);// 设置自动换行
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); // 创建一个居中格式
style.setBottomBorderColor(HSSFColor.BLACK.index);
style.setBorderBottom(HSSFCellStyle.BORDER_THIN);
style.setBorderLeft(HSSFCellStyle.BORDER_THIN);
style.setBorderRight(HSSFCellStyle.BORDER_THIN);
style.setBorderTop(HSSFCellStyle.BORDER_THIN);
HSSFFont headerFont = (HSSFFont) wb.createFont(); // 创建字体样式
headerFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); // 字体加粗
headerFont.setFontName("黑体"); // 设置字体类型
headerFont.setFontHeightInPoints((short) 10); // 设置字体大小
style.setFont(headerFont); // 为标题样式设置字体样式
// 第四.一步，创建表头的列
for (int i = 0; i < columnNumber; i++)
{
HSSFCell cell = row.createCell(i);
cell.setCellValue(columnName[i]);
cell.setCellStyle(style);
}
// 第五步，创建单元格，并设置值
for (int i = 0; i < dataList.length; i++)
{
row = sheet.createRow((int) i + 2);
// 为数据内容设置特点新单元格样式1 自动换行 上下居中
HSSFCellStyle zidonghuanhang = wb.createCellStyle();
zidonghuanhang.setWrapText(true);// 设置自动换行
zidonghuanhang
.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); // 创建一个居中格式
// 设置边框
zidonghuanhang.setBottomBorderColor(HSSFColor.BLACK.index);
zidonghuanhang.setBorderBottom(HSSFCellStyle.BORDER_THIN);
zidonghuanhang.setBorderLeft(HSSFCellStyle.BORDER_THIN);
zidonghuanhang.setBorderRight(HSSFCellStyle.BORDER_THIN);
zidonghuanhang.setBorderTop(HSSFCellStyle.BORDER_THIN);
// 为数据内容设置特点新单元格样式2 自动换行 上下居中左右也居中
HSSFCellStyle zidonghuanhang2 = wb.createCellStyle();
zidonghuanhang2.setWrapText(true);// 设置自动换行
zidonghuanhang2
.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); // 创建一个上下居中格式
zidonghuanhang2.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 左右居中
// 设置边框
zidonghuanhang2.setBottomBorderColor(HSSFColor.BLACK.index);
zidonghuanhang2.setBorderBottom(HSSFCellStyle.BORDER_THIN);
zidonghuanhang2.setBorderLeft(HSSFCellStyle.BORDER_THIN);
zidonghuanhang2.setBorderRight(HSSFCellStyle.BORDER_THIN);
zidonghuanhang2.setBorderTop(HSSFCellStyle.BORDER_THIN);
HSSFCell datacell = null;
for (int j = 0; j < columnNumber; j++)
{
datacell = row.createCell(j);
datacell.setCellValue(dataList[i][j]);
datacell.setCellStyle(zidonghuanhang2);
}
}
// 第六步，将文件存到指定位置
try {
FileOutputStream fout = new FileOutputStream("D://"+fileName+".xls");
wb.write(fout);
String str = "导出" + fileName + "成功！";
System.out.println(str);
fout.close();
} catch (Exception e) {
e.printStackTrace();
String str1 = "导出" + fileName + "失败！";
System.out.println(str1);
}
} else {
System.out.println("列数目长度名称三个数组长度要一致");
}
}
}
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