1 /// <summary>
2 /// EXCEL批量导入
3 /// </summary>
4 /// <param name="filePath">文件路径</param>
5 /// <param name="shop">店铺</param>
6 /// <returns></returns>
7 public string BatchUploadProduct(string filePath, Web_Shop shop)
8 {
9 #region 创建一个用于记录错误的新Excel
10
11 var workbook = new HSSFWorkbook();
12 ISheet sheet0 = workbook.CreateSheet("sheet1");
13 IRow rows = sheet0.CreateRow(0);
14 rows.CreateCell(0).SetCellValue("分类ID");
15 rows.CreateCell(1).SetCellValue("商品名称");
16 rows.CreateCell(2).SetCellValue("售价");
17 rows.CreateCell(3).SetCellValue("简单描述");
18 rows.CreateCell(4).SetCellValue("重量");
19 rows.CreateCell(5).SetCellValue("单位");
20 rows.CreateCell(6).SetCellValue("现购库存");
21 rows.CreateCell(7).SetCellValue("供应类型");
22 rows.CreateCell(8).SetCellValue("收获时间");
23 rows.CreateCell(9).SetCellValue("订购库存");
24 rows.CreateCell(10).SetCellValue("错误消息");
25
26 #endregion
27
28 try
29 {
30 using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
31 {
32 var book = new HSSFWorkbook(stream); //读出来用户上传的Excel
33 ISheet sheet = book.GetSheetAt(0); //拿到Excel中的第一个sheet
34 int rowCount = sheet.LastRowNum; //拿到sheet的行数
35 int errorCount = 0;
36 for (int i = sheet.FirstRowNum + 1; i < rowCount; i++)
37 {
38 IRow row = sheet.GetRow(i);
39 //row2.CreateCell(10).SetCellValue(row.GetCell(10).ToString());
40
41 #region 中间变量
42
43 string errMsg = string.Empty;
44 bool error = false;
45 int categoryId;
46 string proName;
47 decimal marketPrice;
48 string shortContent;
49 int weight;
50 string unit;
51 int storage; //现购库存
52 int canSupply; //可订购数量
53 int supplyType; //供应类型
54 DateTime harvestTime; //收获时间
55
56 #endregion
57
58 var pro = new Web_Product();
59
60 #region 检测数据合法性
61
62 if (!int.TryParse(row.GetCell(0).ToString(), out categoryId))
63 {
64 errMsg = "商品类型错误";
65 error = true;
66 }
67 proName = row.GetCell(1).ToString();
68 if (string.IsNullOrEmpty(proName))
69 {
70 errMsg = errMsg + ",商品名称不能为空";
71 error = true;
72 }
73
74 if (!decimal.TryParse(row.GetCell(2).ToString(), out marketPrice))
75 {
76 errMsg = errMsg + ",商品价格错误";
77 error = true;
78 }
79 shortContent = row.GetCell(3).ToString();
80 if (string.IsNullOrEmpty(shortContent))
81 {
82 errMsg = errMsg + ",商品描述不能为空";
83 error = true;
84 }
85 if (!int.TryParse(row.GetCell(4).ToString(), out weight))
86 {
87 errMsg = errMsg + ",商品重量错误";
88 error = true;
89 }
90 unit = row.GetCell(5).ToString();
91 if (string.IsNullOrEmpty(unit))
92 {
93 errMsg = errMsg + ",商品单位错误";
94 error = true;
95 }
96
97 if (!int.TryParse(row.GetCell(6).ToString(), out storage))
98 {
99 errMsg = errMsg + ",商品现购库存错误";
100 error = true;
101 }
102 if (!int.TryParse(row.GetCell(7).ToString(), out supplyType))
103 {
104 errMsg = errMsg + ",商品供应类型错误";
105 error = true;
106 }
107 if (!DateTime.TryParse(row.GetCell(8).DateCellValue.ToString("yyyy-MM-dd"), out harvestTime))
108 {
109 errMsg = errMsg + ",商品收获时间错误";
110 error = true;
111 }
112 if (!int.TryParse(row.GetCell(9).ToString(), out canSupply))
113 {
114 errMsg = errMsg + ",商品订购库存错误";
115 error = true;
116 }
117
118 #endregion
119
120 #region 如果有错误，就把这一行给添加到新的Excel中
121
122 if (error)
123 {
124 IRow row2 = sheet0.CreateRow(sheet0.LastRowNum + 1);
125 row2.CreateCell(0).SetCellValue(row.GetCell(0).ToString());
126 row2.CreateCell(1).SetCellValue(row.GetCell(1).ToString());
127 row2.CreateCell(2).SetCellValue(row.GetCell(2).ToString());
128 row2.CreateCell(3).SetCellValue(row.GetCell(3).ToString());
129 row2.CreateCell(4).SetCellValue(row.GetCell(4).ToString());
130 row2.CreateCell(5).SetCellValue(row.GetCell(5).ToString());
131 row2.CreateCell(6).SetCellValue(row.GetCell(6).ToString());
132 row2.CreateCell(7).SetCellValue(row.GetCell(7).ToString());
133 row2.CreateCell(8).SetCellValue(row.GetCell(8).ToString());
134 row2.CreateCell(9).SetCellValue(row.GetCell(9).ToString());
135 row2.CreateCell(10).SetCellValue(errMsg);
136 errorCount += 1;
137 }
138
139 #endregion
140
141 #region 如果没有错误，把产品添加到数据库
142
143 if (!error)
144 {
145 pro.Name = proName.TagReplace();
146 pro.MarketPrice = marketPrice;
147 pro.ShortContent = shortContent.TagReplace();
148 pro.Weight = weight;
149 pro.Unit = unit.TagReplace();
150 pro.Storage = storage;
151 pro.CanSupply = canSupply;
152 pro.CategoryID = categoryId;
153 pro.IsValidate = 0; //默认这个产品是没有经过验证的，不让它上架
154 if (supplyType != 100) //只要不等于100，默认都给200
155 {
156 supplyType = 200;
157 }
158 pro.SupplyType = supplyType;
159 pro.ShopID = shop.ID;
160 pro.HarvestTime = harvestTime;
161 AddProduct(pro);
162 }
163
164 #endregion
165 }
166 string savePath = VirtualPaths.ErrorExcelSavePath + "/" + GetProductrNumberByDate() + ".xls";
167 //生成错误Excel的文件
168 if (errorCount > 0) //如果总的错误个数大于0，就吧错误的Excel写到文件中，否则不写。
169 {
170 using (var fs = new FileStream(savePath, FileMode.Create))
171 {
172 workbook.Write(fs); //保存
173 }
174 return savePath; //返回路径供下载
175 }
176 return "ok"; //表示上传成功，没有错误
177 }
178 }
179 catch
180 {
181 return "上传失败，请重试"; //遇到的未知的错误
182 }
183 }
DAL层
时间： 2024-09-30 09:17:23