使用计划任务定时备份知识库

importPackage(Packages.java.lang);
importPackage(Packages.java.io);
importPackage(Packages.smartbi.repository);

function DateStr(){  
  var d = new Date(); 
  var s = "";  
  s += d.getFullYear() + "_";                          
  s += (d.getMonth() + 1) + "_";            
  s += d.getDate()  +  "_";  
  s += d.getHours()  +  "_";    
  s += d.getMinutes()  +  "_";  
  s += d.getSeconds() ;   
  return(s);   
}
var maxCount = 30; //最多的备份数
var floderName = "repoBackup"; //备份目录
var name = "backup_"+DateStr()+".zip";
var floder = new File(floderName);
    floder.mkdirs();
var backupFile = new File(floderName+"/"+name);            
var fos = new FileOutputStream(backupFile);
var br = new BackupResources();
var denyTables = "['t_operationlog','t_operationlog_detail','t_session','t_ssreport_writebacklog','t_offline_publishpack','t_fileresource']";
br.backup(fos,denyTables);
fos.flush();
fos.close();
var allBackup = floder.listFiles();
var allCount = allBackup.length;
if (allCount > maxCount) {
    for (var i=0;i<allBackup.length;i++) {
        for (var j=i+1;j<allBackup.length;j++) {
            if (allBackup[i].lastModified() < allBackup[j].lastModified()) {
                var temp = allBackup[i];
                allBackup[i] = allBackup[j];
                allBackup[j] = temp;
            }
        }
    }
    //删掉老的
    for (var i = maxCount;i<allBackup.length;i++) {
        allBackup[i].delete();
    } 
}