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2023-11-14 ee4d94defe7cc7f36f87aebf2e9efed38ba93a40
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1ac2bc 1 package cn.stylefeng.guns.modular.demos.controller;
懒 2
3 import cn.afterturn.easypoi.entity.vo.MapExcelConstants;
4 import cn.afterturn.easypoi.excel.ExcelImportUtil;
5 import cn.afterturn.easypoi.excel.entity.ExportParams;
6 import cn.afterturn.easypoi.excel.entity.ImportParams;
7 import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
8 import cn.afterturn.easypoi.excel.entity.params.ExcelExportEntity;
9 import cn.afterturn.easypoi.view.PoiBaseView;
10 import cn.stylefeng.guns.base.consts.ConstantsContext;
11 import cn.stylefeng.guns.base.pojo.page.LayuiPageInfo;
12 import cn.stylefeng.guns.modular.demos.entity.ExcelItem;
13 import cn.stylefeng.guns.sys.core.exception.enums.BizExceptionEnum;
14 import cn.stylefeng.guns.sys.modular.system.service.UserService;
15 import cn.stylefeng.roses.kernel.model.exception.ServiceException;
16 import cn.stylefeng.roses.kernel.model.response.ResponseData;
17 import com.baomidou.mybatisplus.core.toolkit.IdWorker;
18 import lombok.extern.slf4j.Slf4j;
19 import org.springframework.beans.factory.annotation.Autowired;
20 import org.springframework.stereotype.Controller;
21 import org.springframework.ui.ModelMap;
22 import org.springframework.web.bind.annotation.RequestMapping;
23 import org.springframework.web.bind.annotation.RequestPart;
24 import org.springframework.web.bind.annotation.ResponseBody;
25 import org.springframework.web.multipart.MultipartFile;
26
27 import javax.servlet.http.HttpServletRequest;
28 import javax.servlet.http.HttpServletResponse;
29 import java.io.File;
30 import java.util.ArrayList;
31 import java.util.HashMap;
32 import java.util.List;
33 import java.util.Map;
34
35 /**
36  * excel导入导出示例
37  *
38  * @author fengshuonan
39  * @Date 2019/3/9 11:03
40  */
41 @Controller
42 @RequestMapping("/excel")
43 @Slf4j
44 public class ExcelController {
45
46     @Autowired
47     private UserService userService;
48
49     /**
50      * excel导入页面
51      *
52      * @author fengshuonan
53      * @Date 2019/3/9 11:03
54      */
55     @RequestMapping("/import")
56     public String importIndex() {
57         return "/demos/excel_import.html";
58     }
59
60     /**
61      * 上传excel填报
62      */
63     @RequestMapping("/uploadExcel")
64     @ResponseBody
65     public ResponseData uploadExcel(@RequestPart("file") MultipartFile file, HttpServletRequest request) {
66         String name = file.getOriginalFilename();
67         request.getSession().setAttribute("upFile", name);
68         String fileSavePath = ConstantsContext.getFileUploadPath();
69         try {
70             file.transferTo(new File(fileSavePath + name));
71         } catch (Exception e) {
72             //log.error("上传那文件出错！", e);
73             throw new ServiceException(BizExceptionEnum.UPLOAD_ERROR);
74         }
75
76         HashMap<String, Object> map = new HashMap<>();
77         map.put("fileId", IdWorker.getIdStr());
78         return ResponseData.success(0, "上传成功", map);
79     }
80
81     /**
82      * 获取上传成功的数据
83      */
84     @RequestMapping("/getUploadData")
85     @ResponseBody
86     public Object getUploadData(HttpServletRequest request) {
87         String name = (String) request.getSession().getAttribute("upFile");
88         String fileSavePath = ConstantsContext.getFileUploadPath();
89         if (name != null) {
90             File file = new File(fileSavePath + name);
91             try {
92                 ImportParams params = new ImportParams();
93                 params.setTitleRows(1);
94                 params.setHeadRows(1);
95                 List result = ExcelImportUtil.importExcel(file, ExcelItem.class, params);
96
97                 LayuiPageInfo returns = new LayuiPageInfo();
98                 returns.setCount(result.size());
99                 returns.setData(result);
100                 return returns;
101             } catch (Exception e) {
102                 e.printStackTrace();
103             }
104         }
105         return null;
106     }
107
108     /**
109      * excel导出
110      *
111      * @author fengshuonan
112      * @Date 2019/3/9 11:03
113      */
114     @RequestMapping("/export")
115     public void export(ModelMap modelMap, HttpServletRequest request,
116                        HttpServletResponse response) {
117
118         //初始化表头
119         List<ExcelExportEntity> entity = new ArrayList<>();
120         entity.add(new ExcelExportEntity("用户id", "user_id"));
121         entity.add(new ExcelExportEntity("头像", "avatar"));
122         entity.add(new ExcelExportEntity("账号", "account"));
123         entity.add(new ExcelExportEntity("姓名", "name"));
124         entity.add(new ExcelExportEntity("生日", "birthday"));
125         entity.add(new ExcelExportEntity("性别", "sex"));
126         entity.add(new ExcelExportEntity("邮箱", "email"));
127         entity.add(new ExcelExportEntity("电话", "phone"));
128         entity.add(new ExcelExportEntity("角色id", "role_id"));
129         entity.add(new ExcelExportEntity("部门id", "dept_id"));
130         entity.add(new ExcelExportEntity("状态", "status"));
131         entity.add(new ExcelExportEntity("创建时间", "create_time"));
132
133         //初始化化数据
134         List<Map<String, Object>> maps = userService.listMaps();
135         ArrayList<Map<String, Object>> total = new ArrayList<>();
136         for (int i = 0; i < 100; i++) {
137             total.addAll(maps);
138         }
139
140         ExportParams params = new ExportParams("Guns管理系统所有用户", "用户表", ExcelType.XSSF);
141         modelMap.put(MapExcelConstants.MAP_LIST, total);
142         modelMap.put(MapExcelConstants.ENTITY_LIST, entity);
143         modelMap.put(MapExcelConstants.PARAMS, params);
144         modelMap.put(MapExcelConstants.FILE_NAME, "Guns管理系统所有用户");
145         PoiBaseView.render(modelMap, request, response, MapExcelConstants.EASYPOI_MAP_EXCEL_VIEW);
146     }
147 }