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java中使用mysqldump 备份数据库

时间：2021-07-01 10:21:17 帮助过：35人阅读

String hostIP = "127.0.0.1";
String userName = "root";
String password = "123456";
String savePath = "C:/Users/Administrator/Desktop/";
String fileName = "SetofBook"+new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())+".sql";
String databaseName = "sss";
File saveFile = new File(savePath);
// 如果目录不存在
if (!saveFile.exists()) {
// 创建文件夹
saveFile.mkdirs();
}
if(!savePath.endsWith(File.separator)){
savePath = savePath + File.separator;
}

PrintWriter printWriter = null;
BufferedReader bufferedReader = null;
try {
printWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(savePath + fileName), "utf8"));
Process process = Runtime.getRuntime().exec(" mysqldump -h" + hostIP + " -u" + userName + " -p" + password + " --set-charset=UTF8 " + databaseName);
InputStreamReader inputStreamReader = new InputStreamReader(process.getInputStream(), "utf8");
bufferedReader = new BufferedReader(inputStreamReader);
String line;
while((line = bufferedReader.readLine())!= null){
printWriter.println(line);
}
printWriter.flush();
//0 表示线程正常终止。
if(process.waitFor() == 0){
return true;
}
}catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
if (printWriter != null) {
printWriter.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}

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java中使用mysqldump 备份数据库

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