[phpcms中实现不同结构数据库]phpcms中实现不同结构数据库转换

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1.不同数据库类型直接的数据库转换

navicat是个很好的数据库管理软件，可以用它进行不同类型数据库直接的转换，以下链接详细说明如何用navicat将mssql2000数据库转换成mysql数据库。

2.不同结构数据库之间的数据转换

不同数据库结构之间的数据转换存在几个问题，①字段不同，甚至无法一一对应 ②字段格式不同，要转换成目标数据库字段的设计格式 ③sql语句结合php程序转换

这是把之前一个downplus下载系统的数据库转换成phpcms的数据库。

直接上代码，有这方面需求的研究代码吧。

站点1 软件站

①导入所有软件到软件表v95_soft

 代码如下 insert into v95_soft(id,catid,title,soft,soft_name,pinyin,thumb,keywords,size,start,inputtime,updatetime,auth,property)
select softid,softclassid,seotitle,appname,softname,softphoneticism,IcoImage,softkeywords,softsize,softscore,
unix_timestamp(SoftInsertDate),unix_timestamp(softcreatedate),softlicence,softproperty
from dp_softlist;

②写sql设status为99

 代码如下 update v95_soft set status=99;

③到后台更新全站url。然后更新title为空的，软件名称

 代码如下 update v95_soft set title=soft_name where title="";

④导入到v95_soft_date

 代码如下 insert into v95_soft_data(id,content,language,website,icon,softos)
select softid,softintro,softlanguage,softauthorurl,IcoImage,softos
from dp_softlist;

⑤执行php转换程序，导入下载地址

http://www.xxx.com/admin.php?m=admin&c=index&a=down

 代码如下 public function down(){
 set_time_limit(0);
 $sql = "select id from v95_soft_data ";
 $result = $this->db->query($sql);
 while ($r = mysql_fetch_assoc($result)) {
  //$softid = 11;
  $softid = $r["id"];
  $sql = "select fileurlname,fileurl,fileftpid from dp_softfiles where softid = $softid ";
  $downfile = $this->db->query($sql);
  $downfiles = array();
  while ($r = mysql_fetch_assoc($downfile)) {
   $isbigfile = 0;
   if (!$r["fileurlname"]) {
    $sql = "select soft_name from v95_soft where id = $softid ";
    $result2 = $this->db->query($sql);
    while ($r2 = mysql_fetch_assoc($result2)) {
     $soft_name = $r2["soft_name"];
    }
    $r["fileurlname"] = $soft_name;
   }
   if(12 == $r["fileftpid"]){
    $isbigfile = 1;
   }
   $downfiles[] = array("fileurl"=>$r["fileurl"],"filename"=>$r["fileurlname"],"isbigfile"=>$isbigfile);
  }
  $downfiles = array2string($downfiles);
  //var_dump($downfiles);exit;
  $sql = "update v95_soft_data set downfiles = "$downfiles" where id = $softid ";
  $this->db->query($sql);
 }
 echo "OK";
}

⑥软件单位和大小转换

 代码如下 update v95_soft set size=size/1000,unit="MB" where size>1000 and size<1000000;
update v95_soft set size=size/1000000,unit="GB" where size>1000000;

⑦导入标签，到v95_keyword和v95_keyword_data

 代码如下 insert into v95_keyword(id,keyword) select tagid,tagname from dp_tag;
update v95_keyword set siteid=1;

⑧执行php转换程序，匹配标签到关键字

http:///admin.php?m=admin&c=index&a=transe

php代码：

 代码如下 public function transe(){
 set_time_limit(0);
 $sql = "select tagid,softidlist from dp_tag";
 $result = $this->db->query($sql);
 while($r = mysql_fetch_assoc($result)){
  //var_dump($r);exit;
  $tags = $r["softidlist"];
  $tags = explode(",", $tags);
  $tags = array_filter($tags);
  //var_dump($tags);exit;
  $tagid = $r["tagid"];
  //echo $tagid;exit;
  foreach ($tags as $tag) {
   $sql="insert into v95_keyword_data(tagid,siteid,contentid) values("$tagid","1","$tag")";
   $this->db->query($sql);
  }
 }
 echo "OK";
}

调整格式

 代码如下 update v95_keyword_data set contentid=CONCAT(contentid,"-12");

⑩点击率

 代码如下

insert into v95_hits(hitsid,catid) select id,catid from v95_soft;
//可以不用转，太慢了

update v95_hits as a left join dp_softlist as b on a.hitsid=b.softid
set a.weekviews=b.softweekhits,a.monthviews=b.softmonthhits,a.dayviews=b.softdayhits,a.views=b.softallhits;
 
update v95_hits set hitsid=concat("c-12-",hitsid);

十一 相关文章

 代码如下

http:///admin.php?m=admin&c=index&a=related （最后执行，很慢）
php代码：

public function related(){
 set_time_limit(0);
 $sql = "select id,keywords from v95_soft";
 $result = $this->db->query($sql);
 while ($r = mysql_fetch_assoc($result)) {
  $softid = $r["id"];
  $keywords = $r["keywords"];
  $keywords = explode(",", $keywords);
  $related = "";
  foreach ($keywords as $keyword) {
   $sql = "select softidlist from dp_tag where tagname="$keyword" ";
   $result2 = $this->db->query($sql);
   while ($r2 = mysql_fetch_assoc($result2)) {
    $related = $related.",".$r2["softidlist"];
   }
  }
  $related = explode(",", $related);
  $related = array_filter($related);
  shuffle($related);
  $related = array_slice($related, 0,10);
  $related = implode("|", $related);
  $sql =  "update v95_soft_data set relation = "$related" where id = $softid ";
  $this->db->query($sql);
 }
 echo "OK";
}

站点2 单机站

①由于类别不同，要先把原先类别改成现在的类别id

 代码如下 update downtb set ClassID=217 where ClassID=1;
update downtb set ClassID=218 where ClassID=2;
update downtb set ClassID=219 where ClassID=3;
update downtb set ClassID=220 where ClassID=4;
update downtb set ClassID=221 where ClassID=5;
update downtb set ClassID=222 where ClassID=6;
update downtb set ClassID=223 where ClassID=7;
update downtb set ClassID=224 where ClassID=8;
update downtb set ClassID=225 where ClassID=9;
update downtb set ClassID=226 where ClassID=10;
update downtb set ClassID=233 where ClassID=11;

②导入主表到v95_danji

 代码如下 insert into v95_danji(id,catid,title,thumb,soft_name,size,inputtime,updatetime,auth,language,downurl)
select DownID,ClassID,SeoTitle,thumb,DownName,Sizes,unix_timestamp(addtime),unix_timestamp(addtime),
Shouquan,Languages,DownIntro1 from downtb;

③后台更新全站url，然后设status为99，没有seo标题的采用单机游戏名称

 代码如下 update v95_danji set status=99;
update v95_danji set title=soft_name where title="";

④大小单位转换，下载地址格式调整

 代码如下 update v95_danji set size=size/1000,unit="MB" where size>1000 and size<1000000;
update v95_danji set size=size/1000000,unit="GB" where size>1000000;
update v95_danji set downurl=replace(downurl,"@@**@@本地下载","");

⑤修改下载地址
要判断单机游戏填写的地址
如果填写的

 代码如下 game=z1.9553.com
game2=z2.9553.com

以此类推

/admin.php?m=admin&c=index&a=downurl（废弃）

⑥导入到v95_danji_data

 代码如下 insert into v95_danji_data(id,content,gameid) select DownID,DownIntro,game_id from downtb;

⑦单机标签转换
1、新增单机站标签到v95_keyword表

 代码如下 insert into v95_keyword(id,keyword) select TagID+31616,TagName from tagtb;
update v95_keyword set siteid=2 where siteid=0;

2、执行php程序
此时记住当前v95_keyword中siteid为1的最大id，更改php程序，再填入keywords,执行

http:///admin.php?m=admin&c=index&a=danji

php代码：

 代码如下 public function danji(){
 set_time_limit(0);
 $sql = "select DownID,ToTagIDs from downtb";
 $result = $this->db->query($sql);
 while ($r = mysql_fetch_assoc($result)) {
  $id=$r["DownID"];
  $ToTagIDs = explode(",", $r["ToTagIDs"]);
  $ToTagIDs = array_filter($ToTagIDs);
  foreach ($ToTagIDs as $key => $value) {
   $ToTagIDs[$key] = $value+31682;
  }
  //var_dump($ToTagIDs);exit;
  foreach ($ToTagIDs as $tagid) {
   $sql = "select keyword from v95_keyword where id=$tagid ";
   $keywords = $this->db->query($sql);
   while ($r = mysql_fetch_assoc($keywords)) {
    $keyword[] = $r["keyword"];
   }
 
  }
  $new_keyword = implode(",", $keyword);
  $sql="update v95_danji set keywords="$new_keyword" where id=$id";
  $this->db->query($sql);
  unset($keyword);
  unset($ToTagIDs);
 }
 echo "OK";
}

3、执行php程序

http:///admin.php?m=admin&c=index&a=danji2

php代码：

 代码如下 public function danji2(){
 set_time_limit(0);
 $sql = "select id,keywords from v95_danji";
 $result = $this->db->query($sql);
 while ($r = mysql_fetch_assoc($result)) {
  $contentid = $r["id"];
  $keywords = $r["keywords"];
  $tags = explode(",", $keywords);
  foreach ($tags as $tag) {
   $sql = "select id from v95_keyword where keyword="$tag" and siteid=2";
   $id = $this->db->query($sql);
   while ($r = mysql_fetch_assoc($id)) {
    $id = $r["id"];
    $sql = "insert into v95_keyword_data(tagid,siteid,contentid) values("$id",2,"$contentid")";
    $this->db->query($sql);
   }
  }
  unset($tags);
 }
 echo "OK";
}

4、修改v95_keyword_data表siteid为2的contentid格式

 代码如下 update v95_keyword_data set contentid=CONCAT(contentid,"-14") where siteid=2;

⑧使点击率可用

 代码如下

insert into v95_hits(hitsid,catid) select CONCAT("c-14-",id),catid from v95_danji;

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