java调用mysql命令 导入导出数据库

package com.db.tools;
/**
* 下面的代码，本人在实际的工程中使用都OK，
* 如果由bug，请发信xf.zhouwenjun@163.com 谢谢！
*/
public class SqlControl {

// 备份数据库
public static void backup(String dbName, String filePath) {
try {
@SuppressWarnings("unused")
Process process = Runtime.getRuntime().exec(
"cmd  /c  mysqldump -uroot -psa " + dbName + " > "
+ filePath + "/" + new java.util.Date().getTime()
+ ".sql");
} catch (Exception e) {
// TODO Auto-generated catch block
System.out.println("备份数据库");
e.printStackTrace();
}
}

@SuppressWarnings("unused")
// 恢复数据库
public static void load(String dbName, String filePath) {
try {
@SuppressWarnings("unused")
Process process = Runtime.getRuntime().exec(
"cmd  /c  mysql -uroot -psa " + dbName + " < " + filePath);
} catch (Exception e) {
// TODO Auto-generated catch block
System.out.println("恢复数据库");
e.printStackTrace();
}
}

public static void main(String[] args) {
try {
// backup("mysql2009","d:/");
load("test", "d:/1259138711453.sql");
System.out.println("ok");
} catch (Exception e) {
// TODO: handle exception
e.getMessage();
}

}
}