org.apache.poigroupid>
poiartifactid>
3.14-beta1version>
dependency>
public
private string headtextname;//列頭（標題）名
private string propertyname;//對應欄位名
private integer cols;//合併單元格數
private xssfcellstyle cellstyle;//單元格樣式
}this.headtextname = headtextname;
this.propertyname = propertyname;
}super();
this.headtextname = headtextname;
this.propertyname = propertyname;
this.cols = cols;
}....//get、set方法
}
/**
* 多列頭建立excel
* *@param sheetname 工作簿名稱
*@param clazz 資料來源model型別
*@param objs excel標題列以及對應model欄位名
*@param map 標題列行數以及cell字型樣式
*@return
*@throws illegalargumentexception
*@throws illegalacces***ception
*@throws invocationtargetexception
*@throws classnotfoundexception
*@throws introspectionexception
*@throws parseexception
*/public
invocationtargetexception, classnotfoundexception, introspectionexception, parseexception
public static void createfont(xssfworkbook workbook)/**
* * @param sheet
* 工作簿
* @param map
* 每行每個單元格對應的列頭資訊
*/public
int startindex=0;//cell起始位置
int endindex=0;//cell終止位置
xssfrow row = sheet.createrow(entry.getkey());
for (int x = 0; x < excels.size(); x++) else
xssfcell cell = row.createcell(startindex-excels.get(x).getcols());
cell.setcellvalue(excels.get(x).getheadtextname());// 設定內容
if (excels.get(x).getcellstyle() != null)
cell.setcellstyle(fontstyle);
}else
cell.setcellstyle(fontstyle);}}
}}
/**
* *@param sheet
*@param map
*@param objs
*@param clazz
*/@suppresswarnings("rawtypes")
public
static
throws illegalargumentexception, illegalacces***ception, invocationtargetexception, introspectionexception,
classnotfoundexception, parseexception
}ems = map.get(maxkey);
listwidths = new arraylist(ems.size());
for (object obj : objs) else
}xssfcell cell = row.createcell(i);
if (null != fontstyle2)
cell.setcellvalue(value);
cell.setcelltype(xssfcell.cell_type_string);
cell.setcellstyle(fontstyle4);
// 獲得最大列寬
int width = value.getbytes().length * 300;
// 還未設定，設定當前
if (widths.size() <= i)
// 比原來大，更新資料
if (width > widths.get(i))
}rowindex++;
}// 設定列寬
for (int index = 0; index < widths.size(); index++)
}
public xssfworkbook exportworkbook(usermodel model) throws commonexception
map<
string, list
> resultmap = usermodel.getresultmap();//多列標題頭情況
list
new arraylist<>();
map<
integer, list
map=
new linkedhashmap<>();
xssfworkbook book =
null;
// 新增列頭資訊
map.put(0, ems);
// 新增第二列頭資訊
return resultrender.renderresult("匯出成功");
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