easyexcel 读写demo

 1 <dependencies>
 2         <dependency>
 3             <groupId>com.alibaba</groupId>
 4             <artifactId>easyexcel</artifactId>
 5             <version>1.1.1</version>
 6         </dependency>
 7 
 8         <dependency>
 9             <groupId>junit</groupId>
10             <artifactId>junit</artifactId>
11             <version>4.9</version>
12         </dependency>
13 
14         <!-- jdbc -->
15         <dependency>
16             <groupId>commons-dbutils</groupId>
17             <artifactId>commons-dbutils</artifactId>
18             <version>1.7</version>
19         </dependency>
20 
21         <dependency>
22             <groupId>com.mchange</groupId>
23             <artifactId>c3p0</artifactId>
24             <version>0.9.5.2</version>
25         </dependency>
26 
27         <dependency>
28             <groupId>mysql</groupId>
29             <artifactId>mysql-connector-java</artifactId>
30             <version>5.1.40</version>
31         </dependency>
32 
33 </dependencies>

工具类

 1 package cn.tele.demo;
 2 
 3 import java.sql.Connection;
 4 import java.sql.ResultSet;
 5 import java.sql.SQLException;
 6 import java.sql.Statement;
 7 import javax.sql.DataSource;
 8 import com.mchange.v2.c3p0.ComboPooledDataSource;
 9 
10 /** 
11  *
12  *@author Tele
13  *
14  */
15 
16 public class JdbcUtils {
17     private static ComboPooledDataSource dataSource = new ComboPooledDataSource();
18     
19     
20     public static Connection getConnection() throws SQLException {
21         return dataSource.getConnection();
22     }
23     
24     public static DataSource getDS() {
25         return dataSource;
26     }
27     
28     // 关闭数据库连接
29     public static void close(ResultSet rs, Statement stat, Connection conn) {
30             try {
31                 if (rs != null)
32                     rs.close();
33                 if (stat != null)
34                     stat.close();
35                 if (conn != null)
36                     conn.close();
37             } catch (SQLException e) {
38                 e.printStackTrace();
39             }
40             
41      }
42     
43 }

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