java 自动备份MySQL 数据库（转载）

 1 package com.learn4j.bat;
 2
 3 public class Backup {
 4     private String user_name;// 数据库用户名
 5     private String user_psw;// 数据库密码
 6     private String db_name;// 需要备份的数据库名
 7     private String host_ip;// 主机IP
 8     private String user_charset;// 字符集
 9     private String backup_path; // 存放备份文件的路径
10     private String stmt;// 命令
11
12     public Backup(String user_name, String user_psw, String db_name,
13             String host_ip, String user_charset, String backup_path) {
14         this.user_name = user_name;
15         this.user_psw = user_psw;
16         this.db_name = db_name;
17         // 主机IP;
18         if (host_ip == null || host_ip.equals(""))
19             this.host_ip = "localhost";// 默认为本机
20         else
21             this.host_ip = host_ip;
22         // 字符集
23         if (user_charset == null || user_charset.equals(""))
24             this.user_charset = " "; // 默认为安装时设置的字符集
25         else
26             this.user_charset = " --default-character-set=" + user_charset;
27         this.backup_path = backup_path;
28         this.stmt = "c:\\wamp\\bin\\mysql\\mysql5.5.20\\bin\\mysqldump "
29                 + this.db_name + " -h " + this.host_ip + " -u" + this.user_name
30                 + " -p" + this.user_psw + this.user_charset + " --result-file="
31                 + this.backup_path;
32     }
33
34     public boolean backup_run() {
35         boolean run_result = false;
36         try {
37             Runtime.getRuntime().exec(this.stmt);
38             run_result = true;
39         } catch (Exception e) {
40             e.printStackTrace();
41         }
42         return run_result;
43     }
44
45     public static void main(String[] args) {
46         Backup backup = new Backup("root", "123456", "student", null, "utf8",
47                 "d:\\test.sql");
48         boolean result = backup.backup_run();
49         if (result)
50             System.out.println("备份成功");
51     }
52 }

原文链接：http://blog.sina.com.cn/s/blog_59ae45de0100ds17.html