IDEA中JavaExcel和Word文件導出下載

7.28Excel和Word文件導出

文件導出

點擊HTML前台導出按鈕、

<div class="btn-group-sm" id="detailToolbar" role="group">
    <a class="btn btn-warning" onclick="jsHelp.exportExcel()"
       shiro:hasPermission="electricityTrading:powerManagement:export">
        <i class="fa fa-download"></i> 導出
    </a>
</div>

Onclick=:”jshelp.exportExcel()”

查看方法

Exportexcel()

調到common.js頁面

var jsHelp = {
    exportExcel: function () {

        $.ajax({
            type: "POST",
            url: "/electricityTrading/priceManagement/exprotExcel",
            data: {},
            cache: false,
            dataType: 'json',
            success: function (result) {
                jsHelp.downloadFilesByNodeName(result.msg,"")



            },
            error: function (error) {

            }
        });
    },

查看URL：url: "/electricityTrading/priceManagement/exprotExcel"

 

/**
     * 根據excel模板導出數據
     * @return
     */
    @RequestMapping("exprotExcel")
    @ResponseBody
    public AjaxResult exprotExcel() {
        TradeDetail tradeDetail=new TradeDetail();
        List<TradeDetail> list = priceManagementService.selectTradeDetailList(tradeDetail);
        freeMarkerExport fw=new freeMarkerExport();//實例化該導出類
        Map dataMap = new HashMap();
        try{
            dataMap.put("list",list);//將數據裝進Map
            dataMap.put("year", "2020");
            dataMap.put("time", "2");
            String excelName=fw.generateExcel(dataMap);//調用導出方法
            String host = env.getProperty("Host");
            String uploadPath = env.getProperty("uploadWordPath");
            return  success(host+uploadPath+excelName);
//            return "http://localhost:8089/upload/購售電信息明細.xls";
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }

查看他內部的方法

 String excelName=fw.generateExcel(dataMap)

 /**
     * dataMap為要裝載的數據
     *
     * @param dataMap
     */
    public String generateExcel(Map dataMap) {

        // 設置模本裝置方法和路徑,FreeMarker支持多種模板裝載方法。可以重servlet，classpath，數據庫裝載，

        // 這里我的模板是放在resources/ftl包下(放在其它位置總會報文件找不到)

        configuration.setClassForTemplateLoading(this.getClass(),

                "/ftl");

        Template t = null;

        try {

            // test2.ftl為要裝載的模板

            t = configuration.getTemplate("detail.ftl");

            t.setEncoding("utf-8");

        } catch (IOException e) {

            e.printStackTrace();

        }

        // 輸出文檔路徑及名稱


        String name = "購售電信息明細.xls";

        String filePath = Global.getTemplatePath() + "/" + name;
        //輸出文檔路徑及名稱
        File outFile = new File(filePath);

//        File outFile = new File("E:/detail3.xls");

        Writer out = null;

        try {

            out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFile), "utf-8"));


        } catch (Exception e1) {

            e1.printStackTrace();

        }

        try {

            t.process(dataMap, out);

            out.close();

        } catch (TemplateException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }
        return name;
    }

 

Word文件下載導出

html中代碼

actions.push('<a class="btn btn-success btn-xs ' + editFlag + '" href="javascript:void(0)" onclick="jsHelp.exportWord(\'' +row.contractId + '\')"><i class="fa fa-edit"></i>導出合同</a> ');

common.js中代碼

exportWord: function (contractId) {

    $.ajax({
        type: "POST",
        url: "/electricityTrading/agencyContract/exportWord",
        data: {contractId:contractId},
        cache: false,
        dataType: 'json',
        success: function (result) {
            jsHelp.downloadFilesByNodeName(result.msg,"")
        },
        error: function (error) {

        }
    });
},java 中代碼

@GetMapping("/detail")
    public String detail() {
        return prefix + "/detail";
    }

    /**
     * 根據word模板導出數據
     */
    @RequestMapping("/exportWord")
    @ResponseBody
    public AjaxResult exportWord(String contractId) {
        TradeDetail tradeDetail = new TradeDetail();
        BizAgencyContract bizAgencyContract = bizAgencyContractService.selectBizAgencyContractById(Long.parseLong(contractId));
        freeMarkerExport fw = new freeMarkerExport();//實例化該導出類
        Map dataMap = new HashMap();
        try {
            String wordName= fw.generateWord(bizAgencyContract);//調用導出方法
            String host = env.getProperty("Host");
            String uploadPath = env.getProperty("uploadWordPath");
            return success(host+uploadPath+wordName);
//            return url;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

    }

String wordName= fw.generateWord(bizAgencyContract);//調用導出方法、

進入該方法

public String generateWord(BizAgencyContract bizAgencyContract) {

        Map<String, Object> dataMap = new HashMap<String, Object>();
        try {
            //編號
            dataMap.put("contractNo", bizAgencyContract.getContractNo());
            dataMap.put("customerName", bizAgencyContract.getCustomerName());
            dataMap.put("signedDate", bizAgencyContract.getSignedDate().toString());
            dataMap.put("signedAddr", bizAgencyContract.getSignedAddr());
            dataMap.put("customerName", bizAgencyContract.getCustomerName());
            dataMap.put("familyAddr", bizAgencyContract.getFamilyAddr());
            dataMap.put("legalPerson", bizAgencyContract.getLegalPerson());
            dataMap.put("creditCode", bizAgencyContract.getCreditCode());
            dataMap.put("voltCode", bizAgencyContract.getVoltCode());
            dataMap.put("elecTypeCode", bizAgencyContract.getElecTypeCode());
            dataMap.put("familyAddr", bizAgencyContract.getFamilyAddr());
            dataMap.put("consNo", "");
            dataMap.put("contractCap", "");
            dataMap.put("electricitySum", bizAgencyContract.getElectricitySum());
            dataMap.put("familyAddr", bizAgencyContract.getFamilyAddr());
            dataMap.put("faxNo", bizAgencyContract.getFaxNo());
            dataMap.put("email", bizAgencyContract.getEmail());
            dataMap.put("firstContact", bizAgencyContract.getFirstContact());
            dataMap.put("firstOfficeTel", bizAgencyContract.getFirstOfficeTel());
            dataMap.put("firstMobile", bizAgencyContract.getFirstMobile());
            dataMap.put("secondContact", bizAgencyContract.getSecondContact());
            dataMap.put("secondOfficeTel", bizAgencyContract.getSecondOfficeTel());
            dataMap.put("secondMobile", bizAgencyContract.getSecondMobile());
            dataMap.put("customerName", bizAgencyContract.getCustomerName());
            dataMap.put("legalPerson", bizAgencyContract.getLegalPerson());
            dataMap.put("signedDate", bizAgencyContract.getSignedDate().toString());
            dataMap.put("familyAddr", bizAgencyContract.getFamilyAddr());
            dataMap.put("postalCode", bizAgencyContract.getPostalCode());
            dataMap.put("firstContact", bizAgencyContract.getFirstContact());
            dataMap.put("firstOfficeTel", bizAgencyContract.getFirstOfficeTel());
            dataMap.put("faxNo", bizAgencyContract.getFaxNo());
            dataMap.put("bankName", bizAgencyContract.getBankName());
            dataMap.put("bankAcct", bizAgencyContract.getBankAcct());
            dataMap.put("creditCode", bizAgencyContract.getCreditCode());
            //Configuration 用於讀取ftl文件
            Configuration configuration = new Configuration(new Version("2.3.0"));
            configuration.setDefaultEncoding("utf-8");

            /**
             * 以下是兩種指定ftl文件所在目錄路徑的方式，注意這兩種方式都是
             * 指定ftl文件所在目錄的路徑，而不是ftl文件的路徑
             */
            //指定路徑的第一種方式（根據某個類的相對路徑指定）
//                configuration.setClassForTemplateLoading(this.getClass(), "");

            //指定路徑的第二種方式，我的路徑是C：/a.ftl
            configuration.setDirectoryForTemplateLoading(new File(Global.getTemplatePath()));
            Calendar date = Calendar.getInstance();

            String year = String.valueOf(date.get(Calendar.YEAR));
            String name = year + "年購售電代理合同.doc";

            String filePath = Global.getTemplatePath() + "/" + name;
            //輸出文檔路徑及名稱
            File outFile = new File(filePath);

            //以utf-8的編碼讀取ftl文件
            Template template = configuration.getTemplate("agencyContract.ftl", "utf-8");
            Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFile), "utf-8"), 10240);
            template.process(dataMap, out);
            out.close();
//            String host = env.getProperty("Host");
//            String uploadPath = env.getProperty("uploadPath");
//            return host+uploadPath;
            return name;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

    }