1 ///
2 /// 将excel导入到datatable
3 ///
4 /// excel路径
5 /// 返回datatable
6 DataTable ExcelTable = null;
7 FileStream fs = null;
8 DataColumn column = null;
9 DataRow dataRow = null;
10 IWorkbook workbook = null;
11 ISheet sheet = null;
12 IRow row = null;
13 ICell cell = null;
14 int startRow = 0;
15 public bool ExcelToDataTable(string filePath)
16 {
17
18 try
19 {
20 using (fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
21 {
22 // 解决版本兼容
23 //07以前为xls,以后为xlsx
24 if (filePath.IndexOf(".xlsx") > 0)
25 {
26 workbook = new XSSFWorkbook(fs);
27 }
28 else if (filePath.IndexOf(".xls") > 0)
29 {
30 workbook = new HSSFWorkbook(fs);
31 }
32 if (workbook != null)
33 {
34 sheet = workbook.GetSheetAt(0);//读取第一个sheet
35 ExcelTable = new DataTable();
36 if (sheet != null)
37 {
38 int rowCount = sheet.LastRowNum;//总行数
39 if (rowCount > 0)
40 {
41 IRow firstRow = sheet.GetRow(1);//第二行
42 int cellCount = firstRow.LastCellNum;//列数
43 //创建datatable的列
44 startRow = 2;//因为第一行是中文列名所以直接从第二行开始读取
45 for (int i = firstRow.FirstCellNum; i < cellCount; ++i)
46 {
47 cell = firstRow.GetCell(i);
48 if (cell != null)
49 {
50 if (cell.StringCellValue != null)
51 {
52 column = new DataColumn(cell.StringCellValue);
53 ExcelTable.Columns.Add(column);
54 }
55 }
56 }
57
58 //填充datatable行
59 for (int i = startRow; i <= rowCount; ++i)
60 {
61 row = sheet.GetRow(i);
62 if (row == null) continue;
63
64 dataRow = ExcelTable.NewRow();
65 for (int j = row.FirstCellNum; j < cellCount; ++j)
66 {
67 cell = row.GetCell(j);
68 if (cell == null)
69 {
70 dataRow[j] = "";
71 }
72 else
73 {
74 switch (cell.CellType)
75 {
76 case CellType.Blank:
77 dataRow[j] = "";
78 break;
79 case CellType.Numeric:
80 short format = cell.CellStyle.DataFormat;
81 //对时间格式的处理
82 if (format == 14 || format == 31 || format == 57 || format == 58)
83 dataRow[j] = cell.DateCellValue;
84 else
85 dataRow[j] = cell.NumericCellValue;
86 break;
87 case CellType.String:
88 dataRow[j] = cell.StringCellValue;
89 break;
90 }
91 }
92 }
93
94 ExcelTable.Rows.Add(dataRow);
95
96 }
97 }
98 }
99 }
100 }
101 //由于excel表在删除一张表的时候回再次读取回出现空行的原因
102 //所以需要一个删除空行的方法⇣⇣⇣⇣
103 List removelist = new List();
104 for (int i = 0; i < ExcelTable.Rows.Count; i++)
105 {
106 bool IsNull = true;
107 for (int j = 0; j < ExcelTable.Columns.Count; j++)
108 {
109 if (!string.IsNullOrEmpty(ExcelTable.Rows[i][j].ToString().Trim()))
110 {
111 IsNull = false;
112 }
113 }
114 if (IsNull)
115 {
116 removelist.Add(ExcelTable.Rows[i]);
117 }
118 }
119 for (int i = 0; i < removelist.Count; i++)
120 {
121 ExcelTable.Rows.Remove(removelist[i]);
122 }
123 removelist.Clear();
124 //遍历将datatable内的值存入数据库
125 foreach (DataRow item in ExcelTable.Rows)
126 {
127
128 RT_Community com = new Model.RT_Community();
129 RT_UserInfo userinfo = new Model.RT_UserInfo();
130 Guid guid = Guid.NewGuid();
131 Guid guidu = Guid.NewGuid();
132 int aid = GetVpnUserName(item[13].ToString());
133 int query = 0;
134
135 using (var conn = PublicMethod.GetSqlConnection())
136 {
137 //当小区名称存在时会返回-1
138 query = conn.Execute(@"IF NOT EXISTS
139 (SELECT Name FROM RT_Community WHERE Name=@Name )
140 INSERT INTO RT_Community
141 (Id,VpnUser_id,Name,Sabb,PropertyName,PropertyUserName,PropertyPhone,Address,IsDelete) values
142 (@Id,@VpnUser_id,@Name,@Sabb,@PropertyName,@PropertyUserName,@PropertyPhone,@Address,@IsDelete)",
143 new {
144 Id = guid,
145 VpnUser_id = aid,
146 Name = item[0].ToString(),
147 Sabb = ChinesePinYin.GetSpellCode(item[0].ToString()),
148 PropertyName = item[1].ToString(),
149 PropertyUserName = item[2].ToString(),
150 PropertyPhone = item[3].ToString(),
151 Address = item[4].ToString(),
152 IsDelete = 0,
153 });
154 }
155 //当返回-1时调用查询小区id的方法对guid重新赋值
156 if (query == -1)
157 {
158 guid = GetComId(item[0].ToString());
159 if (guid.ToString() == "00000000-0000-0000-0000-000000000000")
160 {
161 //当返回的guid为0时
162 return false;
163 }
164 }
165 using (var conn = PublicMethod.GetSqlConnection())
166 {
167 var result = conn.Execute(@"INSERT INTO RT_UserInfo
168 (Id,
169 rt_community_id,
170 UserCode,
171 Name,
172 BuildingNo,
173 UnitNo,
174 Floor,
175 HouseNo,
176 Address,
177 HeatType,
178 Location,
179 Phone,
180 IsDelete) VALUES
181 (@Id,
182 @rt_community_id,
183 @UserCode,
184 @Name,
185 @BuildingNo,
186 @UnitNo,
187 @Floor,
188 @HouseNo,
189 @Address,
190 @HeatType,
191 @Location,
192 @Phone,
193 @IsDelete)",
194 new
195 {
196
197 Id = guidu,
198 rt_community_id = guid,
199 UserCode = item[5].ToString(),
200 Name = item[6].ToString(),
201 BuildingNo = item[7].ToString(),
202 UnitNo = item[8].ToString(),
203 Floor = item[9].ToString(),
204 HouseNo = item[10].ToString(),
205 Location = item[11].ToString(),
206 Address = item[4].ToString(),
207 HeatType = 0,
208 Phone = item[12].ToString(),
209 IsDelete = 0
210 });
211 }
212
213 }
214 //成功返回true
215 return true;
216 }
217 catch (Exception)
218 {
219 if (fs != null)
220 {
221 fs.Close();
222 }
223 return false;
224 }
225 }
//使用时直接用nuget包搜索nopi第一个导入这样就全装好了简单又省事
