使用easypoi根據表頭信息動態導出excel

本文轉載自查看原文 2020-01-11 17:46 5023 springboot

第一步添加依賴

 　　　　<dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-spring-boot-starter</artifactId>
            <version>4.1.3</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-scratchpad -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-scratchpad</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml-schemas -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml-schemas</artifactId>
        </dependency>

　創建實體

DrillingDaily 注解@Excel表示需要導出那個字段，默認將其全部導出，不需要導出哪個列是，將注解

 注解@Excel的值改為空字符串，就可以根據傳入的表頭信息靈活導出excel

package com.shiwen.jdzx.model.daily;

import cn.afterturn.easypoi.excel.annotation.Excel;

/**
 * <p>Title:DrillingDaily </p>
 * <p>Description: 鑽井日報</p>
 * <p>Company:西安石文軟件有限公司 </p>
 *
 * @author liuguiyuan
 * @date 2019/9/4 14:04
 */
public class DrillingDaily {

    /**
     * 鑽井日報
     * jh：井號；ktgs：勘探公司；jd：井隊；rq：日期
     * sjjs：設計井深；drjs：當日井深；jc：進尺
     * ztcc：鑽頭尺寸；ztxh：鑽頭型號；cw：層位
     * gcjk：工程簡況；zy：鑽壓；zs：轉速；by2：泵壓
     * pl：排量；md：密度；nd：粘度；ss：失水；cz：純鑽
     * gj：固井；sc：生產；fz：復雜；sg：事故
     * xl：修理；tg：停工；qt：其他；bz：備注
     */
    @Excel(name = "井號")
    private String jh;
    @Excel(name = "勘探公司")
    private String ktgs;
    @Excel(name = "井隊")
    private String jd;
    @Excel(name = "日期")
    private String rq;
    @Excel(name = "設計井深")
    private Double sjjs;
    @Excel(name = "當日井深")
    private Double drjs;
    @Excel(name = "進尺")
    private Double jc;
    @Excel(name = "鑽頭尺寸")
    private Double ztcc;
    @Excel(name = "鑽頭型號")
    private String ztxh;
    @Excel(name = "層位")
    private String cw;
    @Excel(name = "工程簡況")
    private String gcjk;
    @Excel(name = "鑽壓")
    private String zy;
    @Excel(name = "轉速")
    private String zs;
    @Excel(name = "泵壓")
    private String by2;
    @Excel(name = "排量")
    private String pl;
    @Excel(name = "密度")
    private String md;
    @Excel(name = "粘度")
    private String nd;
    @Excel(name = "失水")
    private String ss;
    @Excel(name = "純鑽")
    private Double cz;
    @Excel(name = "固井")
    private Double gj;
    @Excel(name = "生產")
    private Double sc;
    @Excel(name = "復雜")
    private Double fz;
    @Excel(name = "事故")
    private Double sg;
    @Excel(name = "修理")
    private Double xl;
    @Excel(name = "停工")
    private Double tg;
    @Excel(name = "其他")
    private String qt;
    @Excel(name = "備注")
    private String bz;

    public String getJh() {
        return jh;
    }

    public void setJh(String jh) {
        this.jh = jh;
    }

    public String getKtgs() {
        return ktgs;
    }

    public void setKtgs(String ktgs) {
        this.ktgs = ktgs;
    }

    public String getJd() {
        return jd;
    }

    public void setJd(String jd) {
        this.jd = jd;
    }

    public String getRq() {
        return rq;
    }

    public void setRq(String rq) {
        this.rq = rq;
    }

    public Double getSjjs() {
        return sjjs;
    }

    public void setSjjs(Double sjjs) {
        this.sjjs = sjjs;
    }

    public Double getDrjs() {
        return drjs;
    }

    public void setDrjs(Double drjs) {
        this.drjs = drjs;
    }

    public Double getJc() {
        return jc;
    }

    public void setJc(Double jc) {
        this.jc = jc;
    }

    public Double getZtcc() {
        return ztcc;
    }

    public void setZtcc(Double ztcc) {
        this.ztcc = ztcc;
    }

    public String getZtxh() {
        return ztxh;
    }

    public void setZtxh(String ztxh) {
        this.ztxh = ztxh;
    }

    public String getCw() {
        return cw;
    }

    public void setCw(String cw) {
        this.cw = cw;
    }

    public String getGcjk() {
        return gcjk;
    }

    public void setGcjk(String gcjk) {
        this.gcjk = gcjk;
    }

    public String getZy() {
        return zy;
    }

    public void setZy(String zy) {
        this.zy = zy;
    }

    public String getZs() {
        return zs;
    }

    public void setZs(String zs) {
        this.zs = zs;
    }

    public String getBy2() {
        return by2;
    }

    public void setBy2(String by2) {
        this.by2 = by2;
    }

    public String getPl() {
        return pl;
    }

    public void setPl(String pl) {
        this.pl = pl;
    }

    public String getMd() {
        return md;
    }

    public void setMd(String md) {
        this.md = md;
    }

    public String getNd() {
        return nd;
    }

    public void setNd(String nd) {
        this.nd = nd;
    }

    public String getSs() {
        return ss;
    }

    public void setSs(String ss) {
        this.ss = ss;
    }

    public Double getCz() {
        return cz;
    }

    public void setCz(Double cz) {
        this.cz = cz;
    }

    public Double getGj() {
        return gj;
    }

    public void setGj(Double gj) {
        this.gj = gj;
    }

    public Double getSc() {
        return sc;
    }

    public void setSc(Double sc) {
        this.sc = sc;
    }

    public Double getFz() {
        return fz;
    }

    public void setFz(Double fz) {
        this.fz = fz;
    }

    public Double getSg() {
        return sg;
    }

    public void setSg(Double sg) {
        this.sg = sg;
    }

    public Double getXl() {
        return xl;
    }

    public void setXl(Double xl) {
        this.xl = xl;
    }

    public Double getTg() {
        return tg;
    }

    public void setTg(Double tg) {
        this.tg = tg;
    }

    public String getQt() {
        return qt;
    }

    public void setQt(String qt) {
        this.qt = qt;
    }

    public String getBz() {
        return bz;
    }

    public void setBz(String bz) {
        this.bz = bz;
    }
}

　　編寫修改@excel注解值的工具類

　　ModifyAnnotationValues

  1 package com.shiwen.jdzx.server.util;
  2 
  3 import cn.afterturn.easypoi.excel.annotation.Excel;
  4 import cn.afterturn.easypoi.excel.annotation.ExcelCollection;
  5 import cn.afterturn.easypoi.excel.annotation.ExcelEntity;
  6 import lombok.extern.slf4j.Slf4j;
  7 
  8 import java.lang.reflect.*;
  9 import java.util.List;
 10 import java.util.Map;
 11 
 12 /**
 13  * @company: 石文軟件有限公司
 14  * @description
 15  * @author: wangjie
 16  * @create: 2020-01-10 11:17
 17  **/
 18 @Slf4j
 19 public class ModifyAnnotationValues {
 20 
 21     /**
 22      *      * 修改fields上@Excel注解的name屬性，不需要下載的列，name修改增加_ignore.
 23      *      * 保存原來的@Excel注解name屬性值，本次生成后用來恢復
 24      *      * @Params
 25      *      *     headers：用戶勾選，由前端傳來的列名，列名的key必須和Model字段對應
 26      *      *     clazz：model實體類
 27      *      *     excelMap：用來記錄原值的map，因為用到了遞歸，這里返回值作為參數傳入
 28      *      * @return Map<String, String> 原實體類字段名和@Excel注解name屬性值的映射關系<字段名，@Excel注解name屬性值>
 29      *      
 30      */
 31     public static Map<String, String> dynamicChangeAndSaveSourceAnnotation(List<String> headers, Class clazz, Map<String, String> excelMap) {
 32         Field[] fields = clazz.getDeclaredFields();
 33         for (Field field : fields) {
 34             // @Excel注解
 35             if (field.isAnnotationPresent(Excel.class)) {
 36                 boolean flag = true;
 37                 for (int i = 0; i < headers.size(); i++) {
 38                     String header = headers.get(i);
 39                     if (field.getName().equals(header)) {
 40                         flag = false;
 41                         break;
 42                     }
 43                 }
 44                 // 下載列不包括該字段，進行隱藏，並記錄原始值
 45                 if (flag) {
 46                     Excel annotation = field.getAnnotation(Excel.class);
 47                     // 保存注解
 48                     excelMap.put(field.getName(), annotation.name());
 49                     InvocationHandler handler = Proxy.getInvocationHandler(annotation);
 50                     String value = annotation.name().toString();
 51                     changeAnnotationValue(handler, " ");
 52                 }
 53                 // @ExcelCollection注解
 54             } else if (field.isAnnotationPresent(ExcelCollection.class) && field.getType().isAssignableFrom(List.class)) {
 55                 Type type = field.getGenericType();
 56                 if (type instanceof ParameterizedType) {
 57                     ParameterizedType pt = (ParameterizedType) type;
 58                     Class collectionClazz = (Class) pt.getActualTypeArguments()[0];
 59                     // 解決@ExcelCollection如果沒有需要下載列的異常，java.lang.IllegalArgumentException: The 'to' col (15) must not be less than the 'from' col (16)
 60                     // 如果沒有需要下載列，將@ExcelCollection忽略
 61                     Field[] collectionFields = collectionClazz.getDeclaredFields();
 62                     boolean flag = false;
 63                     out:
 64                     for (Field temp : collectionFields) {
 65                         if (!temp.isAnnotationPresent(Excel.class)) {
 66                             continue;
 67                         }
 68                         for (int i = 0; i < headers.size(); i++) {
 69                             String header = headers.get(i);
 70                             if (temp.getName().equals(header)) {
 71                                 flag = true;
 72                                 break out;
 73                             }
 74                         }
 75                     }
 76                     if (flag) {
 77                         dynamicChangeAndSaveSourceAnnotation(headers, collectionClazz, excelMap);
 78                     } else {
 79                         ExcelCollection annotation = field.getAnnotation(ExcelCollection.class);
 80                         excelMap.put(field.getName(), annotation.name());
 81                         InvocationHandler handler = Proxy.getInvocationHandler(annotation);
 82                         changeAnnotationValue(handler, " ");
 83                     }
 84                 }
 85                 // @ExcelEntity注解
 86             } else if (field.isAnnotationPresent(ExcelEntity.class)) {
 87                 Class entityClazz = field.getType();
 88                 dynamicChangeAndSaveSourceAnnotation(headers, entityClazz, excelMap);
 89             }
 90         }
 91         return excelMap;
 92     }
 93 
 94     // 改變注解屬性值，抽取的公共方法
 95 
 96     private static void changeAnnotationValue(InvocationHandler handler, String propertyValue) {
 97         try {
 98             Field field = handler.getClass().getDeclaredField("memberValues");
 99             field.setAccessible(true);
100             Map<String, Object> memberValues = (Map<String, Object>) field.get(handler);
101             memberValues.put("name", propertyValue);
102         } catch (Exception e) {
103             log.error("替換注解屬性值出錯！", e);
104         }
105     }
106 
107 
108     /**
109      *      * 遞歸恢復@Excel原始的name屬性
110      *      
111      */
112     public static void dynamicResetAnnotation(Class clazz, Map<String, String> excelMap) {
113         if (excelMap.isEmpty()) {
114             return;
115         }
116         Field[] fields = clazz.getDeclaredFields();
117         try {
118             for (Field field : fields) {
119                 if (field.isAnnotationPresent(Excel.class)) {
120                     if (excelMap.containsKey(field.getName())) {
121                         Excel annotation = field.getAnnotation(Excel.class);
122                         InvocationHandler handler = Proxy.getInvocationHandler(annotation);
123                         String sourceName = excelMap.get(field.getName());
124                         changeAnnotationValue(handler, sourceName);
125                     }
126                 } else if (field.isAnnotationPresent(ExcelCollection.class) && field.getType().isAssignableFrom(List.class)) {
127                     // ExcelCollection修改過，才進行復原
128                     if (excelMap.containsKey(field.getName())) {
129                         ExcelCollection annotation = field.getAnnotation(ExcelCollection.class);
130                         InvocationHandler handler = Proxy.getInvocationHandler(annotation);
131                         String sourceName = excelMap.get(field.getName());
132                         changeAnnotationValue(handler, sourceName);
133                         // ExcelCollection未修改過，遞歸復原泛型字段
134                     } else {
135                         Type type = field.getGenericType();
136                         if (type instanceof ParameterizedType) {
137                             ParameterizedType pt = (ParameterizedType) type;
138                             Class collectionClazz = (Class) pt.getActualTypeArguments()[0];
139                             dynamicResetAnnotation(collectionClazz, excelMap);
140                         }
141                     }
142                 } else if (field.isAnnotationPresent(ExcelEntity.class)) {
143                     Class entityClazz = field.getType();
144                     dynamicResetAnnotation(entityClazz, excelMap);
145                 }
146             }
147         } catch (Exception e) {
148             log.error("解析動態表頭，恢復注解屬性值出錯！", e);
149         }
150     }
151 
152 
153 }

編寫easypoi導出的工具類

EasyPoiExcelUtil

package com.shiwen.jdzx.server.util;

import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.ExcelImportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import cn.afterturn.easypoi.excel.entity.ImportParams;
import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;

/**
 * @author wangjie
 * @date 2019/12/23 18:24
 * @description
 * @company 石文軟件有限公司
 */
public class EasyPoiExcelUtil {
    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass,
                                   String fileName, boolean isCreateHeader, HttpServletResponse response) {
        ExportParams exportParams = new ExportParams(title, sheetName);
        exportParams.setCreateHeadRows(isCreateHeader);
        defaultExport(list, pojoClass, fileName, response, exportParams);
    }

    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass, String fileName,
                                   HttpServletResponse response) {
        defaultExport(list, pojoClass, fileName, response, new ExportParams(title, sheetName));
    }

    public static void exportExcel(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {
        defaultExport(list, fileName, response);
    }

    private static void defaultExport(List<?> list, Class<?> pojoClass, String fileName,
                                      HttpServletResponse response, ExportParams exportParams) {
        Workbook workbook = ExcelExportUtil.exportExcel(exportParams, pojoClass, list);
        if (workbook != null) ;
        downLoadExcel(fileName, response, workbook);
    }

    private static void downLoadExcel(String fileName, HttpServletResponse response, Workbook workbook) {
        try {
            response.setHeader("content-Type", "application/vnd.ms-excel");
            response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
            response.setCharacterEncoding("UTF-8");
            workbook.write(response.getOutputStream());
        } catch (IOException e) {
            //throw new NormalException(e.getMessage());
        }
    }

    private static void defaultExport(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {
        Workbook workbook = ExcelExportUtil.exportExcel(list, ExcelType.HSSF);
        if (workbook != null) ;
        downLoadExcel(fileName, response, workbook);
    }

    public static <T> List<T> importExcel(String filePath, Integer titleRows, Integer headerRows, Class<T> pojoClass) {
        if (StringUtils.isBlank(filePath)) {
            return null;
        }
        ImportParams params = new ImportParams();
        params.setTitleRows(titleRows);
        params.setHeadRows(headerRows);
        List<T> list = null;
        try {
            list = ExcelImportUtil.importExcel(new File(filePath), pojoClass, params);
        } catch (NoSuchElementException e) {
            //throw new NormalException("模板不能為空");
        } catch (Exception e) {
            e.printStackTrace();
            //throw new NormalException(e.getMessage());
        }
        return list;
    }

    public static <T> List<T> importExcel(MultipartFile file, Integer titleRows, Integer headerRows, Class<T> pojoClass) {
        if (file == null) {
            return null;
        }
        ImportParams params = new ImportParams();
        params.setTitleRows(titleRows);
        params.setHeadRows(headerRows);
        List<T> list = null;
        try {
            list = ExcelImportUtil.importExcel(file.getInputStream(), pojoClass, params);
        } catch (NoSuchElementException e) {
            // throw new NormalException("excel文件不能為空");
        } catch (Exception e) {
            //throw new NormalException(e.getMessage());
            System.out.println(e.getMessage());
        }
        return list;
    }


}

　編寫控制層

DataReportExcelController

List<String> exportField參數是表頭信息jh,jb......

package com.shiwen.jdzx.server.controller;

import com.shiwen.jdzx.common.WellCondition;
import com.shiwen.jdzx.model.daily.DrillingDaily;
import com.shiwen.jdzx.server.dao.mapper.DrillingDailyDao;
import com.shiwen.jdzx.server.service.DataReportExcelService;
import com.shiwen.jdzx.server.util.ExportExcelUtil;
import com.shiwen.jdzx.server.util.ModifyAnnotationValues;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.List;

/**
 * @author wangjie
 * @date 2019/12/21 11:39
 * @description 資料處理導出excel
 * @company 石文軟件有限公司
 */
@RestController
@RequestMapping("/report")
public class DataReportExcelController {


    @Autowired
    private DataReportExcelService dataReportExcelService;

    /**
     * 根據傳入的表頭信息靈活導出
     *
     * @param response
     */
    @RequestMapping("/excel/{type}")
    public void excel(HttpServletResponse response,@PathVariable("type") String type,  String startDate, String endDate, String completed,
                      String oilField, String firstName, String wellType,String jh,@RequestParam("exportField") List<String> exportField) throws Exception {
        WellCondition condition = new WellCondition();
        condition.setStartDate(startDate);
        condition.setEndDate(endDate);
        condition.setOilField(oilField);
        condition.setFirstName(firstName);
        condition.setWellType(wellType);
        condition.setJh(jh);
        condition.setCompleted(completed);
        condition.setExport(exportField);
        dataReportExcelService.excel(response,condition,type);
    }

}

　編寫導出的server層

WellCondition condition 封裝的是條件參數

String type 導出可能是有多次導出，這個是傳入的路徑  比如首頁需要導出 /index 就接受index就行

package com.shiwen.jdzx.server.service;

import com.shiwen.jdzx.common.WellCondition;
import org.springframework.ui.ModelMap;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author wangjie
 * @date 2019/12/21 11:45
 * @description
 * @company 石文軟件有限公司
 */
public interface DataReportExcelService {

    void excel(HttpServletResponse response,WellCondition condition,String type) throws Exception;

}

　　編寫導出的server層的實現類

package com.shiwen.jdzx.server.service.impl;
import com.shiwen.jdzx.common.WellCondition;
import com.shiwen.jdzx.model.OverviewDaily;
import com.shiwen.jdzx.model.daily.DrillingDaily;
import com.shiwen.jdzx.server.dao.mapper.DrillingDailyDao;
import com.shiwen.jdzx.server.dao.mapper.WellDao;
import com.shiwen.jdzx.server.service.DataReportExcelService;
import com.shiwen.jdzx.server.util.Constant;
import com.shiwen.jdzx.server.util.EasyPoiExcelUtil;
import com.shiwen.jdzx.server.util.ModifyAnnotationValues;
import com.shiwen.publics.pager.PagerOracleImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


/**
 * @author wangjie
 * @date 2019/12/21 11:50
 * @description
 * @company 石文軟件有限公司
 */
@Slf4j
@Service
public class DataReportExcelServiceImpl implements DataReportExcelService {

    @Autowired
    private DrillingDailyDao dailyDao;

    @Autowired
     private WellDao wellDao;



    @Override
    public void excel(HttpServletResponse response, WellCondition condition,String type) throws Exception {
        Map<String, String> excelMap=new HashMap<>();
        Map<String, String> stringStringMap =null;
        PagerOracleImpl pager=new PagerOracleImpl();
        pager.setCurPage(0);
        switch (type){
            case Constant.DRILLING_DAILY:
                //修改注解 @Excel中的name值，
                stringStringMap=ModifyAnnotationValues.dynamicChangeAndSaveSourceAnnotation(condition.getExport(), DrillingDaily.class, excelMap);
                List<DrillingDaily> allDrillingDaily = dailyDao.getDrillingDaily(condition,pager);
                //導出excel
                EasyPoiExcelUtil.exportExcel(allDrillingDaily, Constant.mapList.get(type), Constant.mapList.get(type), DrillingDaily.class, Constant.mapList.get(type)+Constant.suffix, response);
                //導出完成恢復注解的原始值
                ModifyAnnotationValues.dynamicResetAnnotation( DrillingDaily.class,stringStringMap);
                break;
            case Constant.OVERVIEW_DAILY:
                stringStringMap=ModifyAnnotationValues.dynamicChangeAndSaveSourceAnnotation(condition.getExport(), OverviewDaily.class, excelMap);
                List<OverviewDaily> overviewDailies = wellDao.listOverviewDailyAll(condition);
                EasyPoiExcelUtil.exportExcel(overviewDailies, Constant.mapList.get(type), Constant.mapList.get(type), OverviewDaily.class, Constant.mapList.get(type)+Constant.suffix, response);
                ModifyAnnotationValues.dynamicResetAnnotation(OverviewDaily.class,stringStringMap);
                break;
            case Constant.SINGLE_DRILLING_DAILY:
                stringStringMap=ModifyAnnotationValues.dynamicChangeAndSaveSourceAnnotation(condition.getExport(), DrillingDaily.class, excelMap);
                List<DrillingDaily> singleDrillingDaily = dailyDao.getDrillingDailyAll(condition,pager);
                EasyPoiExcelUtil.exportExcel(singleDrillingDaily, Constant.mapList.get(type), Constant.mapList.get(type), DrillingDaily.class, Constant.mapList.get(type)+Constant.suffix, response);
                ModifyAnnotationValues.dynamicResetAnnotation(DrillingDaily.class,stringStringMap);
            default:
                break;
        }

    }

}

　前段請求

 1  /**
 2              * 導出
 3              */
 4             $scope.exportTable = function () {
 5                 var param = packParam();
 6                 $scope.selTitleField = [];
 7                 $scope.selTitleName = [];
 8                 angular.forEach($scope.gridOption, function (item, index) {
 9                     if (item.checked) {
10                         $scope.selTitleField.push(item.field);
11                     }
12                 });
13                 param.exportField = $scope.selTitleField;
14                 param.jh = $scope.filter.jh;
15                 var paramArr = [];
16                 for (let key  in param) {
17                     if (param[key] || param[key] === 0) {
18                         paramArr.push(key + '=' + param[key])
19                     }
20                 }
21                 $window.open(url.excel + '?' + paramArr.join('&'));
22             }

dao層我就不寫了。以上代碼根據自己的需要再改下就可以完成，根據傳入的表頭信息靈活導出excel，注意前段傳入的表頭信息，必須和實體的屬性一直

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