Java 調用Mysql dump 備份資料庫

標籤：java

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");

try {


String name = sdf.format(new Date());
String filePath = System.getProperty("user.dir") + "//" + name + ".sql";


// 系統執行器
Runtime rt = Runtime.getRuntime();


// 匯出資料庫語句
StringBuffer cmd = new StringBuffer();
cmd.append("mysqldump -u");
cmd.append(ServeConfig.dbUser);
cmd.append(" -p");
cmd.append(ServeConfig.dbPass);
cmd.append(" --set-charset=utf8 ");
cmd.append(ServeConfig.dbName);


// 執行匯出擷取輸入資料流
Process child = rt.exec(cmd.toString());
InputStream in = child.getInputStream();
InputStreamReader ir = new InputStreamReader(in, "utf8");


// 輸出檔案
FileOutputStream fo = new FileOutputStream(filePath);
OutputStreamWriter os = new OutputStreamWriter(fo, "utf8");


// 開始讀取資料
char[] temp = new char[1024000];
int len = 0;
while ((len = ir.read(temp)) > 0) {
os.write(temp, 0, len);
os.flush();
}


// 別忘記關閉輸入輸出資料流
in.close();
ir.close();
os.close();
fo.close();


// 將檔案發送到備份伺服器
FileUpLoad upload = FileUpLoad.createFileUpLoad(ServeConfig.backAddr, new File(filePath));
upload.tryStart();
upload.waitFinish();
upload.doClose();


} catch (Exception e) {
e.printStackTrace();
}