java mysql数据库备份还原代码，mysql数据库备份,import java.

java mysql数据库备份还原代码，mysql数据库备份,import java.

import java.io.BufferedReader;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;public class TestMysql { public static void main(String[] args) {  System.out.println("开始备份...");  backup();  System.out.println("备份成功...");  System.out.println("开始还原...");  load1();  System.out.println("还原成功..."); } public static void backup() {  try {   Runtime rt = Runtime.getRuntime();   // 调用 调用mysql的安装目录的命令   Process child = rt     .exec("E://xampp//mysql//bin//mysqldump.exe -h localhost -uroot -p  ultrax");   // 设置导出编码为utf-8。这里必须是utf-8   // 把进程执行中的控制台输出信息写入.sql文件，即生成了备份文件。注：如果不对控制台信息进行读出，则会导致进程堵塞无法运行   InputStream in = child.getInputStream();// 控制台的输出信息作为输入流   InputStreamReader xx = new InputStreamReader(in, "utf-8");   // 设置输出流编码为utf-8。这里必须是utf-8，否则从流中读入的是乱码   String inStr;   StringBuffer sb = new StringBuffer("");   String outStr;   // 组合控制台输出信息字符串   BufferedReader br = new BufferedReader(xx);   while ((inStr = br.readLine()) != null) {    sb.append(inStr + "\r\n");   }   outStr = sb.toString();   // 要用来做导入用的sql目标文件：   FileOutputStream fout = new FileOutputStream(     "c:/test.sql");   OutputStreamWriter writer = new OutputStreamWriter(fout, "utf-8");   writer.write(outStr);   writer.flush();   in.close();   xx.close();   br.close();   writer.close();   fout.close();   System.out.println("");  } catch (Exception e) {   e.printStackTrace();  } } public static void load() {  try {   String fPath = "c:/test.sql";   Runtime rt = Runtime.getRuntime();   // 调用 mysql 安装目录的命令   Process child = rt.exec("E://xampp//mysql//bin//mysql -u root -p cdcol");   OutputStream out = child.getOutputStream();// 控制台的输入信息作为输出流   String inStr;   StringBuffer sb = new StringBuffer("");   String outStr;   BufferedReader br = new BufferedReader(new InputStreamReader(     new FileInputStream(fPath), "utf-8"));   while ((inStr = br.readLine()) != null) {    sb.append(inStr + "\r\n");   }   outStr = sb.toString();   System.out.println(outStr);   OutputStreamWriter writer = new OutputStreamWriter(out, "utf-8");   System.out.println("7777777777777777777777777777777777777");   writer.write(outStr);   System.out.println("888888888888888888888888888888888888888");   writer.flush();   out.close();   br.close();   writer.close();   System.out.println("");  } catch (Exception e) {   e.printStackTrace();  } } public static void load1() {              try {                  String fPath = "c:/test.sql";                Runtime rt = Runtime.getRuntime();                  // 调用 mysql 的 cmd:                  Process child = rt.exec("E://xampp//mysql//bin//mysql.exe -uroot -p cdcol ");                  OutputStream out = child.getOutputStream();//控制台的输入信息作为输出流                  String inStr;                  StringBuffer sb = new StringBuffer("");                  String outStr;                  BufferedReader br = new BufferedReader(new InputStreamReader(                          new FileInputStream(fPath), "utf8"));                  while ((inStr = br.readLine()) != null) {                      sb.append(inStr + "\r\n");                  }                  outStr = sb.toString();                  OutputStreamWriter writer = new OutputStreamWriter(out, "utf8");                  writer.write(outStr);                  // 注：这里如果用缓冲方式写入文件的话，会导致中文乱码，用flush()方法则可以避免                  writer.flush();                  // 别忘记关闭输入输出流                  out.close();                  br.close();                  writer.close();                  System.out.println("");              } catch (Exception e) {                  e.printStackTrace();              }          } }