[英]how to represent map'content vertically in a excel sheet
我有一張地圖,其內容應垂直表示,而不是水平布局
Multimap<Integer, String> map = getMap();
XSSFWorkbook workbook = new XSSFWorkbook();
XSSFSheet spreadsheet = workbook.createSheet("companyInsurence");
XSSFRow row;
Set < Integer > keyid = map.keySet();
row = spreadsheet.createRow(0);
Cell InitialCell=row.createCell(0);
InitialCell.setCellValue("id");
Cell InitialCell1=row.createCell(1);
InitialCell1.setCellValue("date");
int rowid = 1;
for (Integer key : keyid){
row = spreadsheet.createRow(rowid++);
Cell cell0 = row.createCell(0);
cell0.setCellValue(key);
Collection<String> objectList = map.get(key);
int cellid = 1;
for (Object obj : objectList)
{
Cell cell = row.createCell(cellid++);
if(obj!=null){
cell.setCellValue(obj.toString());
}else{
cell.setCellValue(" ");
}
}
}
amd地圖內容為{12 = [1,2,3,4,5,6,6,6],13 = [123456,988,65,hgg,91]}
所以excel表顯示數據為
id date
12 1 2 4 ....
13 123456 988 65
所以不是這樣,我想要這樣的東西
id date
12 1
12 2
12 3
12 4
12 5
12 6
:
:
:
:
13 65
您需要為每個值創建一行,而不是每個鍵。
int rowid = 1;
for (Integer key : keyid){
Collection<String> objectList = map.get(key);
for (Object obj : objectList)
{
row = spreadsheet.createRow(rowid++);
Cell cell0 = row.createCell(0);
cell0.setCellValue(key);
Cell cell = row.createCell(1);
if(obj!=null){
cell.setCellValue(obj.toString());
}else{
cell.setCellValue(" ");
}
}
}
注意:我沒有運行它。
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