- 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();
- }
- }
- }
来源: http://www.phpxs.com/code/1001618/