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°²×°mysqlºó£¬ÐèÒªÉèÖû·¾³±äÁ¿£ºÎҵĵçÄÔÓÒ»÷--ÊôÐÔ--¸ß¼¶--»·¾³±äÁ¿£¬Ôö¼ÓMYSQL_HOME=“mysql°²×°Â·¾¶”£¬È»ºópath=%MYSQL_HOME%\bin
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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 OperateDb {
private String user;
private String password;
private String filePath;
private String dbip;
//±¸·ÝÊý¾Ý
public void backup() {
try {
Runtime rt = Runtime.getRuntime();
//ÐγÉcmdÃüÁî
String cmd = "mysqldump -u"+user+" -p"+password+" -h"+dbip+" --set-charset=utf8 -t --no-create-info recommend movieinfo";
// µ÷Óà mysql µÄ cmd,ÉèÖõ¼³ö±àÂëΪutf8¡£ÕâÀï±ØÐëÊÇutf8
Process child = rt.exec(cmd);
// °Ñ½ø³ÌÖ´ÐÐÖеĿØÖÆÌ¨Êä³öÐÅϢдÈë.sqlÎļþ£¬¼´Éú³ÉÁ˱¸·ÝÎļþ¡£×¢£ºÈç¹û²»¶Ô¿ØÖÆÌ¨ÐÅÏ¢½øÐжÁ³ö£¬Ôò»áµ¼Ö½ø³Ì¶ÂÈûÎÞ·¨ÔËÐÐ
// ¿ØÖÆÌ¨µÄÊä³öÐÅÏ¢×÷ΪÊäÈëÁ÷
InputStream in = child.getInputStream();
// ÉèÖÃÊä³öÁ÷±àÂëΪutf8¡£ÕâÀï±ØÐëÊÇutf8£¬·ñÔò´ÓÁ÷ÖжÁÈëµÄÊÇÂÒÂë
InputStreamReader xx = new InputStreamReader(in, "utf8");
String inStr;
StringBuffer sb = new StringBuffer("");
String outStr;
// ×éºÏ¿ØÖÆÌ¨Êä³öÐÅÏ¢×Ö·û´®
BufferedReader br = new BufferedReader(xx);
while ((inStr = br.readLine()) != null) {
sb.append(inStr + "\r\n");
}
outStr = sb.toString();
// ÒªÓÃÀ´×öµ¼ÈëÓõÄsqlÄ¿±êÎļþ£º
FileOutputStream fout = new FileOutputStream(filePath);
OutputStreamWriter writer = new OutputStreamWriter(fout, "utf8");
writer.write(outStr);

//ÕâÀïÈç¹ûÓûº³å·½Ê½Ð´ÈëÎļþµÄ»°£¬»áµ¼ÖÂÖÐÎÄÂÒÂ룬ÓÃflush()·½·¨Ôò¿ÉÒÔ±ÜÃâ
writer.flush();
//¹Ø±ÕÊäÈëÊä³öÁ÷
in.close();
xx.close();
br.close();
writer.close();
fout.close();
System.out.println("Êý¾Ý³É¹¦±¸·Ýµ½"+filePath);
} catch (Exception e) {
e.printS


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