java使用freemarker作為模板匯出Excel表格
1:首先新建一個excel表格自己弄好格式如下圖
2:把excel 表格另存為xml格式檔案如下圖
3:這個時候的檔案就是xml 格式的檔案了,在eclipse裡面專案工程裡面新建一個檔案字尾為.ftl 然後把弄好的xml檔案內容直接複製貼上到.ftl檔案裡面
4.看一下js程式碼
//匯出備份日誌報表
export_backup_log_report:function(url)
{
var startime=$("#time1").val();
var endtime=$("#time2").val();
if(confirm("確定要匯出?")){
$.ajax({
type : "post",// 指定是post還是get encodeURI()
url : ""+url+"?startime="+startime
+"&endtime="+endtime,// 傳送請求的地址
async : true, // 預設為true為非同步,false為同步
dataType : "json",
contentType:'application/x-www-form-urlencoded; charset=UTF-8',
beforeSend: function (XMLHttpRequest) {
XMLHttpRequest.setRequestHeader("Accept", "application/json");
},
error : function(err) {// 如果確定能正確執行,可不寫
alert("伺服器正忙,請稍後再試!");
top.location ="logout";
},
success : function(result){
var status=result.status;
var msg=result.msg;
if(status==0){
var report_export_url=result.data.report_export_url;
var url=report_export_url+"備份日誌報表.xls";
window.open(url);
}else
{
alert(msg);
}
}
});
}
},
5.看一下java程式碼
//匯出備份日誌報表
@RequestMapping(value="/admin/backupLogReport",method={RequestMethod.GET,RequestMethod.POST})
@ResponseBody
public WebResult backupLogReport(HttpServletRequest request,HttpServletResponse response,
@RequestParam(value="page",defaultValue="0") int page,
@RequestParam(value="searchvalue" ,defaultValue="") String searchvalue,
@RequestParam(value = "startime", defaultValue = "") String startime,
@RequestParam(value = "endtime", defaultValue = "") String endtime) throws Exception{
response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
String fileName ="備份日誌報表.xls";
List<TblLogsBk> list=null;
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
String templateDir = request.getSession().getServletContext().getRealPath("/")+"template";//模板路徑
String excelPath = request.getSession().getServletContext().getRealPath("/")+"tempfile";//匯出地址
try{
//初始化時間
if(StringUtils.isEmpty(startime) || StringUtils.isEmpty(endtime))
{
startime=WebUtil.formatBeginDate();
endtime=sdf.format(WebUtil.getDateAfter(new Date(), 1));
}
list=baseDao.getListByLike(TblLogsBk.class, "bktime",sdf.parse(startime), sdf.parse(endtime), "id", "desc", 0,10000);
for(TblLogsBk log:list)
{
// 1.手動 2.自動
if(log.getBktype().equals("1")) log.setBktype("手動");
if(log.getBktype().equals("2")) log.setBktype("自動");
}
if(list!=null && list.size()>0)
{
if(list.size()>10000) return WebResult.error("最多匯出10000條記錄!", null); Map<String, Object> dataMap = new HashMap<String, Object>();
dataMap.put("backupLoglist",list);
dataMap.put("totalrecord",list.size()+"條");
TemplateParseUtil.parse(templateDir, "backuplog.ftl",excelPath+"/"+fileName,dataMap);
String report_export_url = ReadResource.report_export_url;//下載地址
HashMap<String,Object> valuemap=WebUtil.getHashMap();
valuemap.put("report_export_url",report_export_url);
return WebResult.success("匯出成功",valuemap);
}else
{
return WebResult.error("沒有可導資料!", null);
}
}catch(Exception e)
{
e.printStackTrace();
}
return WebResult.error("匯出失敗", null);
}
6.自己去設定下載地址
7.以下是ftl檔案配置
<?xml version="1.0"?>
<?mso-application progid="Excel.Sheet"?>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:html="http://www.w3.org/TR/REC-html40">
<DocumentProperties xmlns="urn:schemas-microsoft-com:office:office">
<Author>Administrator</Author>
<LastAuthor>Administrator</LastAuthor>
<Created>2008-09-11T17:22:52Z</Created>
<LastSaved>2018-11-19T06:57:23Z</LastSaved>
<Version>12.00</Version>
</DocumentProperties>
<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
<WindowHeight>5715</WindowHeight>
<WindowWidth>12765</WindowWidth>
<WindowTopX>0</WindowTopX>
<WindowTopY>105</WindowTopY>
<ProtectStructure>False</ProtectStructure>
<ProtectWindows>False</ProtectWindows>
</ExcelWorkbook>
<Styles>
<Style ss:ID="Default" ss:Name="Normal">
<Alignment ss:Vertical="Bottom"/>
<Borders/>
<Font ss:FontName="Tahoma" x:Family="Swiss" ss:Size="11" ss:Color="#000000"/>
<Interior/>
<NumberFormat/>
<Protection/>
</Style>
<Style ss:ID="s56" ss:Name="常規 2">
<Alignment ss:Vertical="Center"/>
<Borders/>
<Font ss:FontName="宋體" x:CharSet="134" ss:Size="11" ss:Color="#000000"/>
<Interior/>
<NumberFormat/>
<Protection/>
</Style>
<Style ss:ID="m43397792">
<Alignment ss:Horizontal="Center" ss:Vertical="Center"/>
<Borders>
<Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
</Borders>
<Font ss:FontName="宋體" x:CharSet="134" ss:Size="18" ss:Color="#000000"
ss:Bold="1"/>
<Interior ss:Color="#C5D9F1" ss:Pattern="Solid"/>
</Style>
<Style ss:ID="s58">
<Borders>
<Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
</Borders>
</Style>
<Style ss:ID="s59" ss:Parent="s56">
<Borders>
<Border ss:Position="Bottom" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Left" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Right" ss:LineStyle="Continuous" ss:Weight="1"/>
<Border ss:Position="Top" ss:LineStyle="Continuous" ss:Weight="1"/>
</Borders>
<Font ss:FontName="宋體" x:CharSet="134" ss:Size="11" ss:Color="#000000"
ss:Bold="1"/>
<Interior ss:Color="#00B050" ss:Pattern="Solid"/>
</Style>
</Styles>
<Worksheet ss:Name="Sheet1">
<Table ss:ExpandedColumnCount="8" ss:ExpandedRowCount="${backupLoglist?size+3}" x:FullColumns="1"
x:FullRows="1" ss:DefaultColumnWidth="54" ss:DefaultRowHeight="14.25">
<Column ss:AutoFitWidth="0" ss:Width="93.75" ss:Span="3"/>
<Column ss:Index="5" ss:AutoFitWidth="0" ss:Width="142.5"/>
<Column ss:AutoFitWidth="0" ss:Width="159.75"/>
<Column ss:AutoFitWidth="0" ss:Width="110.25"/>
<Column ss:AutoFitWidth="0" ss:Width="159"/>
<Row ss:AutoFitHeight="0" ss:Height="30">
<Cell ss:MergeAcross="7" ss:StyleID="m43397792"><Data ss:Type="String">備份日誌報表</Data></Cell>
</Row>
<Row ss:AutoFitHeight="0" ss:Height="20.0625">
<Cell ss:StyleID="s59"><Data ss:Type="String">IP</Data></Cell>
<Cell ss:StyleID="s59"><Data ss:Type="String">備份型別</Data></Cell>
<Cell ss:StyleID="s59"><Data ss:Type="String">埠號</Data></Cell>
<Cell ss:StyleID="s59"><Data ss:Type="String">使用者名稱</Data></Cell>
<Cell ss:StyleID="s59"><Data ss:Type="String">儲存路徑</Data></Cell>
<Cell ss:StyleID="s59"><Data ss:Type="String">檔名</Data></Cell>
<Cell ss:StyleID="s59"><Data ss:Type="String">資料庫名</Data></Cell>
<Cell ss:StyleID="s59"><Data ss:Type="String">備份時間</Data></Cell>
</Row>
<#list backupLoglist as backupqust>
<Row ss:AutoFitHeight="0" ss:Height="20.0625">
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.serverip!}</Data></Cell>
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.bktype!}</Data></Cell>
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.portnum!}</Data></Cell>
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.username!}</Data></Cell>
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.savepath!}</Data></Cell>
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.filename!}</Data></Cell>
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.databasename!}</Data></Cell>
<Cell ss:StyleID="s58"><Data ss:Type="String">${backupqust.bktime!}</Data></Cell>
</Row>
</#list>
</Table>
<WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">
<PageSetup>
<Header x:Margin="0.3"/>
<Footer x:Margin="0.3"/>
<PageMargins x:Bottom="0.75" x:Left="0.7" x:Right="0.7" x:Top="0.75"/>
</PageSetup>
<Print>
<ValidPrinterInfo/>
<PaperSizeIndex>9</PaperSizeIndex>
<HorizontalResolution>600</HorizontalResolution>
<VerticalResolution>600</VerticalResolution>
</Print>
<Selected/>
<Panes>
<Pane>
<Number>3</Number>
<ActiveRow>3</ActiveRow>
<ActiveCol>4</ActiveCol>
</Pane>
</Panes>
<ProtectObjects>False</ProtectObjects>
<ProtectScenarios>False</ProtectScenarios>
</WorksheetOptions>
</Worksheet>
<Worksheet ss:Name="Sheet2">
<Table ss:ExpandedColumnCount="1" ss:ExpandedRowCount="1" x:FullColumns="1"
x:FullRows="1" ss:DefaultColumnWidth="54" ss:DefaultRowHeight="14.25">
</Table>
<WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">
<PageSetup>
<Header x:Margin="0.3"/>
<Footer x:Margin="0.3"/>
<PageMargins x:Bottom="0.75" x:Left="0.7" x:Right="0.7" x:Top="0.75"/>
</PageSetup>
<ProtectObjects>False</ProtectObjects>
<ProtectScenarios>False</ProtectScenarios>
</WorksheetOptions>
</Worksheet>
<Worksheet ss:Name="Sheet3">
<Table ss:ExpandedColumnCount="1" ss:ExpandedRowCount="1" x:FullColumns="1"
x:FullRows="1" ss:DefaultColumnWidth="54" ss:DefaultRowHeight="14.25">
</Table>
<WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">
<PageSetup>
<Header x:Margin="0.3"/>
<Footer x:Margin="0.3"/>
<PageMargins x:Bottom="0.75" x:Left="0.7" x:Right="0.7" x:Top="0.75"/>
</PageSetup>
<ProtectObjects>False</ProtectObjects>
<ProtectScenarios>False</ProtectScenarios>
</WorksheetOptions>
</Worksheet>
</Workbook>