java写的MySQL数据库备份和恢复代码:
1.MySQL数据库备份和恢复,java代码实现:详情见下面: package com.spring.util; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import
1.MySQL数据库备份和恢复,java代码实现:详情见下面:
package com.spring.util;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
//MYSQL数据库备份
public class MySQLDump {
//备份数据库
public static boolean sqlDump(String cmd,String filePath){
boolean falg = false;
try {
Runtime run = Runtime.getRuntime();
Process p = run.exec(cmd);
InputStream is = p.getInputStream();// 控制台的输出信息作为输入流
InputStreamReader isr = new InputStreamReader(is,"UTF-8");//设置输入流编码格式
BufferedReader br = new BufferedReader(isr);
//将控制台输入信息写入到文件输出流中
FileOutputStream fos = new FileOutputStream(filePath);
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fos,"UTF-8"));
String temp = null;
while((temp = br.readLine()) != null){
bw.write(temp);
bw.newLine();
}
bw.flush();
bw.close();
br.close();
falg = true;
System.out.println("/* Dump SQL File "+filePath+" OK! */");
} catch (IOException e) {
throw new RuntimeException("请将mysql命令添加到path中!",e);
}
return falg;
}
//恢复数据库
public static void sqlLoad(String cmd,String sqlPath){
try {
Runtime rt = Runtime.getRuntime();
Process child = rt.exec(cmd);
OutputStream out = child.getOutputStream();//控制台的输入信息作为输出流
//输入流
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(sqlPath),"utf-8"));
//输出流
OutputStreamWriter writer = new OutputStreamWriter(out,"utf-8");
String inStr;
while((inStr = br.readLine()) != null){
writer.write(inStr);
writer.write("\n\r");
}
writer.flush();
//别忘记关闭输出流
out.close();
br.close();
writer.close();
System.out.println("/* Load SQL File "+sqlPath+" OK!*/");
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static void main(String[] args){
//备份数据库
sqlDump("C:/Program Files/MySQL/MySQL Server 5.5/bin/mysqldump -uroot -proot itcastoa", "d:/itcastOA.sql");
//恢复数据库
sqlLoad("C:/Program Files/MySQL/MySQL Server 5.5/bin/mysql.exe -uroot -proot itcastoa", "d:/itcastOA.sql");
}
}

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



You can open phpMyAdmin through the following steps: 1. Log in to the website control panel; 2. Find and click the phpMyAdmin icon; 3. Enter MySQL credentials; 4. Click "Login".

MySQL is an open source relational database management system, mainly used to store and retrieve data quickly and reliably. Its working principle includes client requests, query resolution, execution of queries and return results. Examples of usage include creating tables, inserting and querying data, and advanced features such as JOIN operations. Common errors involve SQL syntax, data types, and permissions, and optimization suggestions include the use of indexes, optimized queries, and partitioning of tables.

PHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7

MySQL is chosen for its performance, reliability, ease of use, and community support. 1.MySQL provides efficient data storage and retrieval functions, supporting multiple data types and advanced query operations. 2. Adopt client-server architecture and multiple storage engines to support transaction and query optimization. 3. Easy to use, supports a variety of operating systems and programming languages. 4. Have strong community support and provide rich resources and solutions.

The reasons why PHP is the preferred technology stack for many websites include its ease of use, strong community support, and widespread use. 1) Easy to learn and use, suitable for beginners. 2) Have a huge developer community and rich resources. 3) Widely used in WordPress, Drupal and other platforms. 4) Integrate tightly with web servers to simplify development deployment.

MySQL's position in databases and programming is very important. It is an open source relational database management system that is widely used in various application scenarios. 1) MySQL provides efficient data storage, organization and retrieval functions, supporting Web, mobile and enterprise-level systems. 2) It uses a client-server architecture, supports multiple storage engines and index optimization. 3) Basic usages include creating tables and inserting data, and advanced usages involve multi-table JOINs and complex queries. 4) Frequently asked questions such as SQL syntax errors and performance issues can be debugged through the EXPLAIN command and slow query log. 5) Performance optimization methods include rational use of indexes, optimized query and use of caches. Best practices include using transactions and PreparedStatemen

PHP and Python each have their own advantages and are suitable for different scenarios. 1.PHP is suitable for web development and provides built-in web servers and rich function libraries. 2. Python is suitable for data science and machine learning, with concise syntax and a powerful standard library. When choosing, it should be decided based on project requirements.
