报表格式Excel的导入，导出

一,导入

1，前台页面用type="file"接受要导入的文件，

例如：<input style="display: inline-block;max-width: 170px;border: 2px solid #e6e6e6;" id="uploadFile" name="uploadFile"type="file"accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel"/>;

传入后台用： fileElementId:$('input[name=uploadFile]')
例如：$("#doLeadingInGoods").click(function () {
var val= $("#uploadFile").val();
     var k = val.substr(val.indexOf("."));
if(k=='.xlsx'||k=='.xls'||k=='.XLSX'||k=='.XLS'){
       ajaxLoading();
$.ajaxFileUpload({
url:"${base}/weipu/mallgoods/saveGoods",
secureuri:true,//是否启用安全提交,默认为false
fileElementId:$('input[name=uploadFile]'),//文件选择框的对象,多个时用[]包含
dataType:'text',
async:true,
success:function(data, status){//服务器响应成功时的处理函数
data = data.replace(/<pre.*?>/g, '');
data = data.replace(/<PRE.*?>/g, '');
data = data.replace("<PRE>", '');
data = data.replace("</PRE>", '');
data = data.replace("<pre>", '');
data = data.replace("</pre>", '');
data = jQuery.parseJSON(data);
if(data.status=='success'){

}else{
ajaxLoadEnd();
layer.alert(data.message);
}
},
error:function(data, status, e){ //服务器响应失败时的处理函数
data = data.replace(/<pre.*?>/g, '');
     data = data.replace(/<PRE.*?>/g, '');
     data = data.replace("<PRE>", '');
     data = data.replace("</PRE>", '');
     data = data.replace("<pre>", '');
     data = data.replace("</pre>", '');
data = jQuery.parseJSON(data);
     ajaxLoadEnd();
layer.alert(data.message);
}
});
}else{
layer.alert('上传文件格式有误！默认支持xls/xlsx');
}
});

2，后台用MultipartFile来接受前台传过来的文件，

例如：public Object saveGoods(@RequestParam(value="uploadFile") MultipartFile myfile, HttpServletRequest request) {

MultipartHttpServletRequest multipartHttpservletRequest = (MultipartHttpServletRequest) request;

                myfile = multipartHttpservletRequest.getFile("uploadFile");
if (myfile != null) {
        uploadFilePath = saveAttachFile(myfile);//上传文件返回文件路径
                }
                saveAttachFile(){
                File logo = new File(newFilePath)；
        multipartFile.transferTo(logo);上传文件
                }

              //获取导入模板
                String goodsTemplateXMLPath = getRealPath()+ TemplatePathInterface.leadingin_goodsTemplateXML;
                // 构建xml文件输入流
                InputStream inputXML = new BufferedInputStream(new FileInputStream(goodsTemplateXMLPath));
                // 绑定xml文件
                XLSReader reader = ReaderBuilder.buildFromXML(inputXML);
                // 构建文件输入流
                InputStream inputXLS = new BufferedInputStream(new FileInputStream(uploadFilePath));//根据路径读取文件
                List<Goods> goodses = new ArrayList<Goods>();
                Map beans = new HashMap();
                beans.put("goodses", goodses);
                // 通过XSLReader 的read方法，它会自动映射pojo类，得到数据集合
                reader.read(inputXLS, beans);
                List<Goods> goodsList = new ArrayList<Goods>();
                for (Goods progoods : goodses) {

goods = new Goods();
goodsList.add(goods)；

}

// 批量保存商品信息goodsService.save(tenantId, goodsList);

};

二,导出

1，前台页面

例如：//导出信息(导出选中的)
$("#exportList").click(function () {
window.location.href="${base}/weipu/download/orderModeByTimeExport?data="+dataRows;
})
//导出信息（导出所有的）
$("#exportList").click(function(){
var property = $('#property').val();
var keyword = $("#keyword").val();
$.fileDownload('${base}/weipu/download/goodsList?property='+property+'&keyword='
+keyword)
.done(function () { layer.alert('下载成功！'); })
.fail(function () { layer.alert('下载失败！'); });

});

2.后台导出的方法:

@RequestMapping(value = "goodsList", method = { RequestMethod.GET })
@ResponseBody
public void goodsList(HttpServletRequest request, HttpServletResponse response, Model model) {
    String tenantId = getCurrentUser().getTenantId();
    String property =request.getParameter("property");
    String keyword =request.getParameter("keyword");
    String isMarketable = request.getParameter("isMarketable");
    Criteria criteria = new Criteria();
    if(StringUtils.isNotEmpty(property)&&StringUtils.isNotEmpty(keyword)){
    if(property.equals("brand")){
    criteria.add(Restrictions.like("b.name", "%"+keyword+"%"));
    }else if(property.equals("tag")){
    criteria.add(Restrictions.like("t.name", "%"+keyword+"%"));
    }else if(property.equals("category")){
    criteria.add(Restrictions.like("c.name", "%"+keyword+"%"));
    }else{
    criteria.add(Restrictions.like("g."+property, "%"+keyword+"%"));
    }
    }
    if (isMarketable != null && !"".equals(isMarketable)) {
criteria.add(Restrictions.eq("isMarketable", isMarketable));
    }
    criteria.add(Restrictions.group("g.id"));
    List<Goods> list=new ArrayList<Goods>();
    try {
list = goodsService.goodsListExport(tenantId, criteria);
    } catch (Exception e1) {
    e1.printStackTrace();
    }
    /*****list查询结束******/
    String fileExtName = "xls";
    String time = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss").format(new Date()).toString();
    String newFileName = time + String.format("%04d", new Random().nextInt(1000)) + "." + fileExtName;
    String downDir = request.getServletContext().getRealPath("/") + "/down";// WEB-INF
    String downLoadFilePath = downDir + File.separator + newFileName;
   File downLoadFile = new File(downLoadFilePath);
    if (!downLoadFile.getParentFile().exists()) {
    downLoadFile.mkdirs();
    }
    // 创建工作表与sheet的引用
    WritableWorkbook workbook = null;
    try {
if (!downLoadFile.exists()) {
downLoadFile.createNewFile();
}
    OutputStream os = new FileOutputStream(downLoadFile);
    workbook = Workbook.createWorkbook(os);
    // 创建第一页的sheet
    WritableSheet sheet1 = workbook.createSheet("商品详情表", 0); // 可添加第一个工作
    // 文件第一行写入Title
            String titleContent = "序号#商品编号#条形码#全名称#销售价#品牌#分销佣金比例#库存#商品分类#是否上架#商品描述";
    String[] title = titleContent.split("#");
    for (int i = 0; i < title.length; i++) {
// Label(列号,行号 ,内容 )
Label label = new jxl.write.Label(i, 0, title[i]);
sheet1.addCell(label);
    }

    int j = 1;
    if(list.size()>0){
for (Goods map : list) {
Label label0 = new jxl.write.Label(0, j, String.valueOf(j));
sheet1.addCell(label0);
Label label1 = new jxl.write.Label(1, j, map.getSn());
sheet1.addCell(label1);
Label label2 = new jxl.write.Label(2, j, map.getBarcode());
sheet1.addCell(label2);
Label label3 = new jxl.write.Label(3, j, map.getFullName());
sheet1.addCell(label3);
Label label4 = new jxl.write.Label(4, j, String.valueOf(map.getPrice()));
sheet1.addCell(label4);
Label label5 = new jxl.write.Label(5, j, map.getBrandId());
sheet1.addCell(label5);
if(null!=map.getPoint()){
Double point=map.getPoint()*100;
Label label6 = new jxl.write.Label(6, j, point+"%");
sheet1.addCell(label6);
}else{
Label label6 = new jxl.write.Label(6, j, "0%");
sheet1.addCell(label6);
}
Label label7 = new jxl.write.Label(7, j, String.valueOf(map.getStock()));
sheet1.addCell(label7);
Label label8 = new jxl.write.Label(8, j, map.getCategoryPath());
sheet1.addCell(label8);
Label label9 = new jxl.write.Label(9, j, isMarketableMap.get(String.valueOf(map.getIsMarketable())));
sheet1.addCell(label9);
Label label10= new jxl.write.Label(10, j, map.getDescription());
sheet1.addCell(label10);
j++;//换行
}
            }
    // ****读取数据，写入文件****//
    workbook.write();// 输出到文件
    } catch (FileNotFoundException ex) {
logger.error("数据写入文件时，发生异常：", ex);
    } catch (IOException ex) {
logger.error("数据写入文件时，发生异常：", ex);
    } catch (WriteException ex) {
logger.error("数据写入文件时，发生异常：", ex);
    } catch (Exception ex) {
     logger.error("数据写入文件时，发生异常：", ex);
    } finally {
if (workbook != null) {
try {
workbook.close();
} catch (Exception e) {
logger.error("关闭文件写入流时，发生异常：", e);
}
}
    }
    try {
String contentType = "application/octet-stream";
String storeName = "商品管理" + newFileName;
String realName = newFileName;
if (downLoadFile.exists()) {
FileOperateUtil.downloadex(request, response, downLoadFilePath, contentType, storeName,                                 realName);
}
    } catch (Exception e) {
logger.error("导出报表时，发生异常：", e);
    }

}

public static void downloadex(HttpServletRequest request,
HttpServletResponse response,String downLoadFilePath,String contentType, String storeName,
String realName) throws Exception {
response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
BufferedInputStream bis = null;
BufferedOutputStream bos = null;

long fileLength = new File(downLoadFilePath).length();

response.setContentType(contentType);
response.setHeader("Content-disposition", "attachment; filename="
+ new String(realName.getBytes("utf-8"), "ISO8859-1"));
response.setHeader("Content-Length", String.valueOf(fileLength));

bis = new BufferedInputStream(new FileInputStream(downLoadFilePath));
bos = new BufferedOutputStream(response.getOutputStream());
byte[] buff = new byte[2048];
int bytesRead;
while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
bos.write(buff, 0, bytesRead);
}
bis.close();
bos.close();

}

解析模板

<?xml version="1.0" encoding="UTF-8"?>
<workbook>
<worksheet name="Sheet1">

<section startRow="0" endRow="4" />


<loop startRow="5" endRow="5" items="goodses" var="goods"
varType="net.viservice.entity.weipu.Goods">
<section startRow="5" endRow="5">

<mapping cell="A6">goods.categoryId</mapping>

<mapping cell="B6">goods.barcode</mapping>

<mapping cell="C6">goods.name</mapping>

<mapping cell="D6">goods.sn</mapping>

<mapping cell="E6">goods.cost</mapping>

<mapping cell="F6">goods.brandId</mapping>

<mapping cell="G6">goods.unit</mapping>

<mapping cell="H6">goods.weight</mapping>

<mapping cell="I6">goods.keywords</mapping>

<mapping cell="J6">goods.price</mapping>

<mapping cell="K6">goods.marketPrice</mapping>

<mapping cell="L6">goods.stock</mapping>

<mapping cell="M6">goods.isMarketable</mapping>

<mapping cell="N6">goods.isTop</mapping>

<mapping cell="O6">goods.isIndex</mapping>

<mapping cell="P6">goods.isGlobal</mapping>

<mapping cell="Q6">goods.isWx</mapping>

<mapping cell="R6">goods.introduction</mapping>
</section>
<loopbreakcondition>
<rowcheck offset="0">
<cellcheck offset="0" />
</rowcheck>

</loopbreakcondition>
</loop>
</worksheet>
</workbook>

报表格式Excel的导入，导出

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