1. Java代码实现
备份实例:
@Data
@toString
public class MesTableBackup implements Serializable {
@ApiModelProperty(value = "自增id")
private Integer id;
@ApiModelProperty(value = "数据库名称")
private String tableName;
@ApiModelProperty(value = "数据库存储地址")
private String tableUrl;
@ApiModelProperty(value = "备份时间")
private Date backupTime;
private static final long serialVersionUID = 1L;
}
实现类:
public Object addBackUp(MesTableBackup backup) {
String filePath="D:\\DatabaseBackUp\\";
String dbName="testDatabase";
try {
String path = filePath + backup.getTableName()+"_"+new java.util.Date().getTime() + ".sql";
String command = "cmd /c mysqldump " + dbName + " > "
+ path;
Runtime.getRuntime().exec(command);
//备份的数据库名字为teacher,数据库连接和密码均为root
System.out.println("success!!!");
backup.setBackupTime(DateUtil.now());
backup.setTableUrl(path);
return mesTableBackupMapper.insert(backup) > 0 ? ResponseUtil.ok():ResponseUtil.addDataFailed();
} catch (Exception e) {
e.printStackTrace();
return ResponseUtil.addDataFailed();
}
}
2. 执行现象
出现文件为空现象,文件中没有保存任何数据库数据。
1. mysqldump测试
需要在my.ini文件中的sql_mode进行重新配置
sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER
设置mysqldump登录账号与密码
在my.ini中进行设置
[mysqldump]
user=root
password=123456
2. 测试
测试成功,在my.ini的mysqldump配置了账号密码进行备份时在指令中无需添加账号密码进行备份。