创建excel表格，从中获取数据，然后将数据放到mysql表中
之前有点搞不懂如何将数据放入数据中，所以在网上找了很多资料，发现都没办法完全理解
于是跟同学拿了代码看，终于找到最简单的方法:-D 反正我是搞懂了
希望下次可以自己研究出来吧/(ㄒoㄒ)/~~
1 /**
2 * Created by Min on 2016/3/22.
3 */
4
5
6 import org.apache.poi.hssf.usermodel.HSSFCell;
7 import org.apache.poi.hssf.usermodel.HSSFRow;
8 import org.apache.poi.hssf.usermodel.HSSFSheet;
9 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
10 import org.apache.poi.poifs.filesystem.POIFSFileSystem;
11 import java.io.FileInputStream;
12 import java.io.FileOutputStream;
13 import java.sql.Connection;
14 import java.sql.DriverManager;
15 import java.sql.Statement;
16
17 /**
18 * 同时在数据库和Excel中，建立包含编号(code),姓名(name), 密码(password),性别 (gender),邮箱(email)
19 * 等字段的表格，并在Excel中建立数据(三条记录以上)。编写程序从Excel中将数据读出，并写到相应的数据库表格中
20 *
21 * @author Administrator
22 *
23 */
24 public class todatabase {
25
26 public static void main(String[] args) {
27
28 //实例化
29 todatabase work = new todatabase();
30 work.createExl();
31 work.save();
32 }
33
34 /**
35 * 生成exl文件
36 */
37 public void createExl() {
38
39 // 定义存放文件的目录
40 String outputFile = "D:\\1.xls";
41
42 try {
43 // 创建工作簿
44 HSSFWorkbook workbook = new HSSFWorkbook();
45 HSSFSheet sheet = workbook.createSheet();
46
47 // 在索引1的位置建行(最顶端的下一行)
48 HSSFRow row = sheet.createRow((short) 0);
49 // 在索引0的位置创建单元格（左上端）
50 HSSFCell cell = row.createCell((short) 0);
51 // 定义单元格字符串类型
52 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
53 // 设置cell编码解决中文高位字节截断
54 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
55 // 在单元格中输入一些内容X
56 int i = 0;
57 cell = row.createCell((short) i++);
58 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
59 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
60 cell.setCellValue("编号(code)");
61
62 cell = row.createCell((short) i++);
63 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
64 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
65 cell.setCellValue("姓名(name)");
66
67 cell = row.createCell((short) i++);
68 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
69 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
70 cell.setCellValue("密码(password)");
71
72 cell = row.createCell((short) i++);
73 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
74 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
75 cell.setCellValue("性别 (gender)");
76
77 cell = row.createCell((short) i++);
78 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
79 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
80 cell.setCellValue("邮箱(email)");
81
82 // 填充数据
83 for (int j = 0; j < 3; j++) {
84 i = 0;
85 row = sheet.createRow((short) j + 1);
86 // 编号
87 cell = row.createCell((short) i++);
88 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
89 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
90 cell.setCellValue("dd"+j);
91
92 // 姓名
93 cell = row.createCell((short) i++);
94 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
95 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
96 cell.setCellValue("cc" + j);
97
98 // 密码
99 cell = row.createCell((short) i++);
100 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
101 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
102 cell.setCellValue("111" + j);
103
104 // 性别
105 cell = row.createCell((short) i++);
106 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
107 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
108 cell.setCellValue("男");
109
110 // 邮箱(email)
111 cell = row.createCell((short) i++);
112 cell.setCellType(HSSFCell.CELL_TYPE_STRING);
113 cell.setEncoding(HSSFCell.ENCODING_UTF_16);
114 cell.setCellValue(j + "11@qq.com");
115 }
116
117 // 写出文件
118 FileOutputStream fOut = new FileOutputStream(outputFile);
119 workbook.write(fOut);
120 fOut.flush();
121 fOut.close();
122 System.out.println("文件生成");
123 } catch (Exception e) {
124 System.out.println(e);
125 }
126
127 }
128
129 /**
130 * 数据库操作
131 */
132 public void save(){
133 try {
134
135 //读文件
136 POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream("D:\\1.xls"));
137 HSSFWorkbook wb = new HSSFWorkbook(fs);
138 HSSFSheet sheet2 = wb.getSheetAt(0);
139
140 //数据库连接信息
141 String driver = "com.mysql.jdbc.Driver";
142 String url = "jdbc:mysql://localhost:3306/fordata?"+"useUnicode=true&characterEncoding=utf-8";
143 String user = "root";
144 String password = "123456";
145 Class.forName(driver);
146 // 打开JDBC数据源edu
147 Connection conn = DriverManager.getConnection(url, user, password);
148 Statement stmt = conn.createStatement();
149
150 //取数据
151 for (int j = 0; j < sheet2.getLastRowNum(); j++) {
152 HSSFRow row2 = sheet2.getRow(j + 1);
153 HSSFCell cell0 = row2.getCell((short) 0);
154 HSSFCell cell1 = row2.getCell((short) 1);
155 HSSFCell cell2 = row2.getCell((short) 2);
156 HSSFCell cell3 = row2.getCell((short) 3);
157 HSSFCell cell4 = row2.getCell((short) 4);
158
159 String code = cell0.getStringCellValue();
160 String name = cell1.getStringCellValue();
161 String passwd = cell2.getStringCellValue();
162 String sex = cell3.getStringCellValue();
163 String email = cell4.getStringCellValue();
164
165 // 插入值到数据库表
166 stmt.execute("INSERT INTO term2_work VALUES(\'" + code + "\' ,\'"
167 + name + "\',\'" + passwd + "\',\'" + sex + "\',\'" + email
168 + "\')");
169
170 }
171
172 //关闭
173 stmt.close();
174 conn.close();
175 } catch (Exception e) {
176 // TODO Auto-generated catch block
177 e.printStackTrace();
178 }
179 }
180 // public static void main(String[] args) {
181 // Work work = new Work();
182 // work.getCreateExcel();
183 // }
184 //
185 // public void getCreateExcel(){
186 // //获取当前时间，用做定义保存文件名称
187 // SimpleDateFormat date = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
188 // String format = date.format(new Date(System.currentTimeMillis()));
189 //
190 // //定义存放文件的目录
191 // String outputFile = "F:/a/"+format.replace(":", "")+".xls";
192 //
193 // try {
194 // //创建工作簿
195 // HSSFWorkbook workbook = new HSSFWorkbook();
196 // HSSFSheet sheet = workbook.createSheet();
197 // this.getTitleCellStyle(workbook,sheet);
198 // //在索引1的位置建行(最顶端的下一行)
199 // HSSFRow row = sheet.createRow((short)1);
200 // //在索引0的位置创建单元格（左上端）
201 // HSSFCell cell = row.createCell((short)0);
202 // //定义单元格字符串类型
203 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
204 // //设置cell编码解决中文高位字节截断
205 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
206 // //在单元格中输入一些内容X
207 // int i=0;
208 // cell = row.createCell((short)i++);
209 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
210 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
211 // cell.setCellValue("教师id");
212 //
213 // cell = row.createCell((short)i++);
214 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
215 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
216 // cell.setCellValue("教师姓名");
217 //
218 // cell = row.createCell((short)i++);
219 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
220 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
221 // cell.setCellValue("登录密码");
222 //
223 // cell = row.createCell((short)i++);
224 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
225 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
226 // cell.setCellValue("性别");
227 //
228 // cell = row.createCell((short)i++);
229 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
230 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
231 // cell.setCellValue("联系电话");
232 //
233 // //填充数据
234 // for (int j = 0; j < 5; j++) {
235 // i = 0;
236 // row = sheet.createRow((short)j + 2);
237 // cell = row.createCell((short) i++);
238 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
239 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
240 // cell.setCellStyle(this.getGenCellStyle(workbook));
241 // cell.setCellValue("time:"+format);
242 //
243 // cell = row.createCell((short) i++);
244 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
245 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
246 // cell.setCellStyle(this.getGenCellStyle(workbook));
247 // cell.setCellValue("j:"+j);
248 //
249 // cell = row.createCell((short) i++);
250 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
251 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
252 // cell.setCellStyle(this.getGenCellStyle(workbook));
253 // cell.setCellValue("j:"+j);
254 //
255 // cell = row.createCell((short) i++);
256 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
257 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
258 // cell.setCellStyle(this.getGenCellStyle(workbook));
259 // cell.setCellValue("j:"+j);
260 //
261 // cell = row.createCell((short) i++);
262 // cell.setCellType(HSSFCell.CELL_TYPE_STRING);
263 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
264 // cell.setCellStyle(this.getGenCellStyle(workbook));
265 // cell.setCellValue("j:"+j);
266 // }
267 //
268 // //写出文件
269 // FileOutputStream fOut = new FileOutputStream(outputFile);
270 // workbook.write(fOut);
271 // fOut.flush();
272 // fOut.close();
273 // System.out.println("文件生成");
274 // } catch (Exception e) {
275 // System.out.println(e);
276 // }
277 // }
278 //
279 //
280 // //定义获取日期的格式的类型
281 // public HSSFCellStyle getDateCellStyle(HSSFWorkbook workbook){
282 // HSSFFont font = workbook.createFont();
283 // font.setFontHeightInPoints((short)12);
284 // font.setFontName("宋体");
285 // HSSFCellStyle cellDateStyle = workbook.createCellStyle();
286 // cellDateStyle.setFont(font);
287 // cellDateStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("yyyy-MM-dd HH:mm:ss"));
288 // return cellDateStyle;
289 //
290 // }
291 //
292 // //定义普通类型的列样式
293 // public HSSFCellStyle getGenCellStyle(HSSFWorkbook workbook){
294 // HSSFCellStyle cellStyle = workbook.createCellStyle();
295 // cellStyle.setBorderBottom((short) 2);
296 // cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);
297 // cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);//下边框
298 // cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
299 // cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
300 // return cellStyle;
301 // }
302 //
303 //
304 // //定义表头信息的样式，在索引0的位置开始
305 // public HSSFCellStyle getTitleCellStyle(HSSFWorkbook workbook,HSSFSheet
306 // sheet){
307 // HSSFRow row = sheet.createRow((short)0);
308 // //合并单元格，参数分别在0行0列的位置合并
309 // sheet.addMergedRegion(new
310 // org.apache.poi.hssf.util.Region(0,(short)0,0,(short)4));
311 // //设置字体
312 // HSSFFont font = workbook.createFont();
313 // font.setFontHeight((short) 20);
314 // font.setFontHeightInPoints((short) 20);
315 // HSSFCellStyle titleCellStyle = workbook.createCellStyle();
316 //
317 // //文字居中
318 // titleCellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
319 // titleCellStyle.setFont(font);
320 // HSSFCell cell = row.createCell((short) 0);
321 // cell.setCellStyle(titleCellStyle);
322 // cell.setEncoding(HSSFCell.ENCODING_UTF_16);
323 // cell.setCellValue("教师名录");
324 // return titleCellStyle;
325 // }
326
327 }