diff --git a/application/models/Archive.php b/application/models/Archive.php
index 9723c6b8..e4e050de 100644
--- a/application/models/Archive.php
+++ b/application/models/Archive.php
@@ -1,646 +1,649 @@
-<?php
-/**
- * Archive - 统一文档类，实现各类文档的读取和IO操作，包括新闻、帮助、想法等。
- */
- 
-class Archive
-{
-	private $db;  			//传入PDO对象
-	public $ptype; 			//文档分类
-	public $tbl_archives; 	//文档表
-	public $tbl_categorys;	//栏目表
-	public $tbl_catalog;	//文档栏目关联表
-	public $tbl_tag;		//关键字表
-	private $DefaultFetchMode;	//默认检索模式，防止出现sdtClass错误
-
-	function __construct($db)
-	{
-		$this->db = $db;
-		//文档的大分类
-		//在数组中设置文档分类
-		//"中文名称" => "数据库中标识"		
-		$this->ptype = array(
-			"新闻" => "news",
-			"想法" => "idea",
-			"帮助" => "help",
-			"关于" => "about"
-		);
-		$this->tbl_archives = "archive";
-		$this->tbl_categorys = "ar_category";
-		$this->tbl_catalog = "ar_catalog";
-		$this->tbl_tag = "ar_tag";
-		
-		$this->DefaultFetchMode = "PDO::FETCH_BOTH";
-	}
-	
-	
-	/*
-	写入关系表
-	不能外部调用
-	*/
-	private function ToCatalog($aid,$cid,$uuid='',$status=0){
-		
-		if(empty($aid) || !is_numeric($aid))
-		{
-			return false;
-		}
-		
-		if(empty($cid) && empty($uuid))
-		{
-			return false;
-		}
-		
-		$data = array(
-			"aid" => $aid,
-			"cid" => $cid,
-			"status" => $status
-		);
-		
-		if(!empty($uuid))
-		{
-			$data['uuid'] = $uuid;
-		}
-		
-		if($this->db->insert($this->tbl_catalog,$data))
-		{
-			return true;
-		}else{
-			return false;
-		}
-		
-	}//ToCatalog()
-	
-	//写入关系表，外部只能调用此接口
-	public function AddToCatalog($aid,$cid,$uuid='',$status=0)
-	{
-		if(!is_numeric($aid))
-		{
-			return false;
-		}
-		
-		if(!is_array($cid) && !is_numeric($cid))
-		{
-			return false;
-		}
-		
-		if(is_array($cid) && count($cid)<1)
-		{
-			return false;
-		}
-		
-		//多个cid
-		if(is_array($cid))
-		{
-
-			foreach($cid as $v)
-			{
-				//多个UUID
-				if(is_array($uuid))
-				{
-					foreach ($uuid as $vv)
-					{
-						$this->ToCatalog($aid,$v,$vv,$status);
-					}
-				}
-				
-				//单个UUID
-				else{
-					$this->ToCatalog($aid,$v,$uuid,$status);
-				}
-				
-			}
-			return true;
-			
-		}
-		
-		//单个cid
-		else{
-			
-			//多个UUID
-			if(is_array($uuid))
-			{
-				foreach($uuid as $v)
-				{
-					$this->ToCatalog($aid,$cid,$v,$status);
-				}
-				return true;
-			}
-			
-			//单个cid和uuid
-			else{
-				return $this->ToCatalog($aid,$cid,$uuid,$status);
-			}
-		}
-	}//AddToCatalog
-	
-	
-	//删除一个关系
-	function DeleteCatalog($id)
-	{
-		$sql = "DELETE FROM ".$this->tbl_catalog." WHERE id=$id";
-		@$this->db->exec($sql);
-	}
-	
-	
-	/*
-	*	更改栏目	ChangeCatalog()
-	*/
-	function ChangeCatalog($aid,$typeid,$uuid='',$status=0){
-		
-		try{
-			$sql = "SELECT * FROM ar_catalog WHERE aid=$aid";
-			$sth = $this->db->query($sql);
-			$rows = $sth->fetchAll();
-			
-			$types = array();
-			
-			foreach($rows as $k=>$v)
-			{
-				$types[] = $v['cid'];
-				if(is_array($typeid))
-				{
-					if(!in_array($v['cid'],$typeid))
-					{
-						//删除一个栏目
-						$this->DeleteCatalog($v['id']);
-					}
-				}else{
-					$this->DeleteCatalog($v['id']);
-				}
-			}
-			
-			if(is_array($typeid))
-			{
-				foreach($typeid as $v)
-				{
-					if(!in_array($v,$types))
-					{
-						//添加一个栏目
-						$this->ToCatalog($aid,$v,$uuid,$status);
-					}
-				}
-			}else{
-				$this->ToCatalog($aid,$typeid,$uuid,$status);
-			}
-			return true;
-		}catch(Exception $e){
-			return $e->getMessage();
-		}
-
-	}//ChangeCatalog
-	
-	//ChangeCatalogByUUID 根据UUID更改记录
-	function ChangeCatalogByUUID($aid,$typeid,$uuid,$status=0)
-	{
-		
-		try{
-			$sql = "SELECT * FROM ar_catalog WHERE aid=$aid";
-			$sth = $this->db->query($sql);
-			$rows = $sth->fetchAll();
-			
-			$types = array();
-			
-			foreach($rows as $k=>$v)
-			{
-				$types[] = $v['uuid'];
-				if(is_array($uuid))
-				{
-					if(!in_array($v['uuid'],$uuid))
-					{
-						//删除一个栏目
-						$this->DeleteCatalog($v['id']);
-					}
-				}else{
-					$this->DeleteCatalog($v['id']);
-				}
-			}
-			
-			if(is_array($uuid))
-			{
-				
-				foreach($uuid as $v)
-				{
-					if(!in_array($v,$types))
-					{
-						//添加一个记录
-						$this->ToCatalog($aid,$typeid,$v,$status);
-					}
-				}
-			}else{
-				$this->ToCatalog($aid,$typeid,$uuid,$status);
-			}
-			return true;
-		}catch(Exception $e){
-			return $e->getMessage();
-		}
-	}//ChangeCatalogByUUID
-	
-	//修改文档状态
-	function ChangeStatus($aid,$pub){
-		
-		if(empty($aid) || !is_numeric($aid))
-		{
-			return false;
-		}
-		
-		if(!is_bool($pub))
-		{
-			return false;
-		}
-		
-		$data = array(
-			"is_pub" => $pub
-		);
-		
-		if($this->db->update($this->tbl_archives,$data,"id=$aid"))
-		{
-			return true;
-		}else{
-			return false;
-		}
-	}//修改文档状态
-	
-	//删除文档
-	function DeleteArchives($aid){
-		
-		if(empty($aid) || !is_numeric($aid))
-		{
-			return false;
-		}
-		
-		$this->DeleteTags($aid);
-		
-		$sql = "DELETE FROM ".$this->tbl_archives." WHERE id=$aid";
-		@$this->db->exec($sql);
-		
-		$sql = "DELETE FROM ".$this->tbl_catalog." WHERE aid=$aid";
-		@$this->db->exec($sql);
-
-		return true;
-	}//DeleteArchives
-	
-	//写入标签关系
-	function MakeTags($aid,$keywords){
-		
-		$keywords = trim($keywords);
-		if(empty($aid) || !is_numeric($aid))
-		{
-			return false;
-		}
-		
-		if(preg_match("/,/",$keywords))
-		{
-			$tag = explode(",",$keywords);
-		}else{
-			if($this->db->insert($this->tbl_tag,array("id"=>$aid,"tag"=>$keywords)))
-			{
-				return true;
-			}else{
-				return true;
-			}
-		}
-		
-		if(is_array($tag))
-		{
-			foreach($tag as $v)
-			{
-				$v = trim($v);
-				if($v!='')
-				{
-					$this->db->insert($this->tbl_tag,array("id"=>$aid,"tag"=>$v));
-				}
-			}
-		}
-		
-		return true;
-		
-	}//MakeTags
-	
-	//读取标签
-	function GetTags($aid,$limit=0){
-		
-		if(empty($aid) || !is_numeric($aid))
-		{
-			return false;
-		}
-		
-		$sql = "SELECT * FROM ".$this->tbl_tag." WHERE id=$aid";
-		
-		if(!empty($limit))
-		{
-			$sql .= " LIMIT $limit";
-		}
-		
-		$sth = $this->db->query($sql);
-		$rows = $sth->fetchAll();
-		
-		$keywords = array();
-		foreach($rows as $k=>$v)
-		{
-			$keywords[] = $v['tag'];
-		}
-		
-		return $keywords;
-	}//GetTags
-	
-	//删除标签
-	function DeleteTags($aid){
-		
-		if(empty($aid) || !is_numeric($aid))
-		{
-			return false;
-		}
-		
-		$sql = "DELETE FROM ".$this->tbl_tag." WHERE id=$aid";
-		@$this->db->exec($sql);
-		return true;
-	}//DeleteTags
-	
-	/*
-	* addArchive() 添加档案
-	*
-	* @param array $data
-	*
-	* @return int;
-	*/
-	function addArchive($data,$typeid,$keyword='',$uuid='')
-	{
-		
-		$data = $this->scanField($data);
-		if($data == false)
-		{
-			return 0;
-		}
-		
-		//执行SQL语句后返回插入文章表的ID
-		$sql = "INSERT INTO ".$this->tbl_archives." (userid,title,description,image,source,ts_published,is_pub,body) 
-			VALUES (
-			".$data['userid'].",
-			".$data['title'].",
-			".$data['description'].",
-			".$data['image'].",
-			".$data['source'].",
-			".$data['ts_published'].",
-			".$data['is_pub'].",
-			".$data['body']."
-			)
-			RETURNING id";
-		try{
-			$sth = $this->db->prepare($sql);
-			if($sth->execute())
-			{
-				$temp = $sth->fetch(PDO::FETCH_ASSOC);
-				$newAid = $temp['id'];
-				$this->AddToCatalog($newAid,$typeid,$uuid);
-				if(!empty($keyword))
-				{
-					$this->MakeTags($newAid,$keyword);
-				}
-				return $newAid;
-			}else{
-				return 0;
-			}
-		}catch(Exception $e)
-		{
-			return 0;
-		}
-	}//addArchive()
-	
-	/*
-	* updateArchive() 更改文档
-	*
-	* @param array $data
-	*
-	* @return int
-	*/
-	function updateArchive($aid,$data,$typeid,$keyword='',$uuid='')
-	{
-		if(!is_numeric($aid))
-		{
-			return 0;
-		}
-		
-		$data = $this->scanField($data);
-		if($data == false)
-		{
-			return 0;
-		}
-		
-		$sql = "UPDATE ".$this->tbl_archives." SET 
-				userid=".$data['userid'].",
-				title=".$data['title'].",
-				description=".$data['description'].",
-				image=".$data['image'].",
-				source=".$data['source'].",
-				ts_published=".$data['ts_published'].",
-				is_pub=".$data['is_pub'].",
-				body=".$data['body']."
-				WHERE id=$aid";
-		try{
-			if($this->db->exec($sql))
-			{
-				if(!empty($keyword))
-				{
-					$this->DeleteTags($aid);
-					$this->MakeTags($aid,$keyword);
-				}
-				if(!is_array($uuid))
-				{
-					$this->ChangeCatalog($aid,$typeid,$uuid);
-				}
-				else{
-					$this->ChangeCatalogByUUID($aid,$typeid,$uuid);
-				}
-				return $aid;
-			}else{
-				return 0;
-			}
-		}catch(Exception $e)
-		{
-			return 0;
-		}
-	}
-	
-	//扫描字段
-	function scanField($data){
-		
-		if(!is_array($data))
-		{
-			return false;
-		}
-		
-		//对特殊字段进行特别处理
-		$data['title'] = $this->replaceHtml($data['title']);
-		$data['description'] = $this->replaceHtml($data['description']);
-		
-		//将参数过滤一遍，如果是字符型字段
-		//就执行db->quote()
-		foreach($data as $k=>$v)
-		{
-			if(!is_numeric($v) || !is_bool($v))
-			{
-				$data[$k] = $this->db->quote($v);
-			}
-		}
-		
-		return $data;
-	}//scanField
-	
-	//过滤UTF-8字符的html代码
-	function replaceHtml($html)
-	{
-		$newString = htmlentities($html, ENT_QUOTES, "UTF-8");
-		return $newString;
-	}
-	
-	/*************  读取   ****************/
-	
-	
-	/*
-	* makeArchiveUrl() 
-	* 创建一个文档的链接
-	* 连接地址需要和路由规则对应
-	*
-	* @param array $parts
-	*
-	* @return string;
-	*/
-	public function makeArchiveUrl($parts)
-	{
-		$http_host = "http://".$_SERVER ['HTTP_HOST'];
-		$controller = "archives";
-		$url = $http_host."/".$controller."/".$parts['ptype']."/".$parts['type_code']."/archive-".$parts['archive_id'].".html";
-		//$url = $http_host."/".$controller."/".$parts['type_code']."/".$parts['archive_id'];
-		return $url;
-	}
-	
-	public function makeCategoryUrl($parts)
-	{
-		$http_host = "http://".$_SERVER ['HTTP_HOST'];
-		$controller = "archives";
-		$url = $http_host."/".$controller."/".$parts['ptype']."/".$parts['type_code']."";
-		return $url;
-	}
-	
-	
-	/*
-	* getArchiveUrl() 
-	* 通过文档ID和栏目ID获得某个文档的url
-	* 仅适用于单个栏目的文档且已经得知其栏目ID
-	* 如果是多个栏目的文档，则获取第一个栏目的文档连接
-	*
-	* @param int $aid
-	*
-	* @return string;
-	*/
-	function getArchiveUrlByCid($aid,$cid=0)
-	{
-		if(empty($aid) || !is_numeric($aid))
-		{
-			return false;
-		}
-		
-		$ecField = array($aid);
-		$wheresql = "";
-		
-		if(!empty($cid) && is_numeric($cid))
-		{
-			$wheresql = " AND c.id=? ";
-			$ecField[] = $cid;
-		}
-		
-		$sql = "SELECT arc.id,c.id as cid,c.title,c.code,c.ptype FROM ".$this->tbl_archives." arc
-				LEFT JOIN ".$this->tbl_catalog." ct ON arc.id=ct.aid
-				LEFT JOIN ".$this->tbl_categorys." c ON ct.cid = c.id
-				WHERE arc.id=? $wheresql
-				LIMIT 1";
-		$sth = $this->db->prepare($sql);
-		$sth->execute($ecField);
-		$row = $sth->fetch(PDO::FETCH_BOTH);
-		
-		$url_parts = array(
-			"ptype"=>$row['ptype'],
-			"type_code"=>$row['code'],
-			"archive_id"=>$row['id']
-		);
-		
-		return array(
-			'archive_url'=>$this->makeArchiveUrl($url_parts),
-			'type_title'=>$row['title'],
-			'type_id'=>$row['cid'],
-			'type_url'=>$this->makeCategoryUrl($url_parts),
-		);
-
-	}//getArchiveUrlByCid()
-	
-	function getArchive($code='')
-	{
-		$sql = "select a.* from ".$this->tbl_archives." a 
-				left join ".$this->tbl_catalog." ac on a.id=ac.aid 
-				left join ".$this->tbl_categorys." c on ac.cid=c.id ";
-		if (!empty($code)) $sql.=" where c.code='".$code."'";
-		$rs=$this->db->query($sql);
-		$rows=$rs->fetchAll();
-		return $rows;
-	}
-
-	//getOneArchive 获取单个文档
-	function getOneArchive($title,$ptype='news')
-	{
-		$sql="update ".$this->tbl_archives." set click=click+1";
-		$this->db->query($sql);
-		$sql = "select a.* from ".$this->tbl_archives." a 
-				left join ".$this->tbl_catalog." ac on a.id=ac.aid 
-				left join ".$this->tbl_categorys." c on ac.cid=c.id ";
-		$sql.=" where a.title=? and c.ptype=?";
-		$sth=$this->db->prepare($sql);
-		$sth->execute(array($title,$ptype));
-		$rows=$sth->fetch();
-		return $rows;
-	}//getOneArchive
-	
-	/*
-	* getArchiveField() 读取某个文档的某个字段
-	*
-	* @param int $aid
-	*
-	* @return string
-	*/
-	function getArchiveField($aid,$field)
-	{
-		if(!is_numeric($aid))
-		{
-			return false;
-		}
-		
-		$sql = "SELECT $field as output_string FROM ".$this->tbl_archives." WHERE id=$aid";
-		$sth = $this->db->query($sql);
-		$row = $sth->fetch();
-		
-		return $row['output_string'];
-	}//getArchiveField
-	
-	/*
-	* getArchiveByUUID() 通过UUID获得数据新闻
-	* 
-	* @param uuid $uuid
-	*
-	* @return array
-	*/
-	function getArchiveByUUID($uuid){
-		
-		if(!preg_match("/^[0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12}$/",$uuid))
-		{
-			return false;
-		}
-		
-		$sql = "SELECT arc.* FROM archive arc
-				LEFT JOIN ar_catalog ct ON arc.id = ct.aid
-				WHERE ct.uuid='$uuid'";
-		$sth = $this->db->query($sql);
-		$rows = $sth->fetchAll(PDO::FETCH_BOTH);
-		
-		return $rows;
-		
-	}//getArchiveByUUID()
-}
+<?php
+/**
+ * Archive - 统一文档类，实现各类文档的读取和IO操作，包括新闻、帮助、想法等。
+ */
+ 
+class Archive
+{
+	private $db;  			//传入PDO对象
+	public $ptype; 			//文档分类
+	public $tbl_archives; 	//文档表
+	public $tbl_categorys;	//栏目表
+	public $tbl_catalog;	//文档栏目关联表
+	public $tbl_tag;		//关键字表
+	private $DefaultFetchMode;	//默认检索模式，防止出现sdtClass错误
+
+	function __construct($db)
+	{
+		$this->db = $db;
+		//文档的大分类
+		//在数组中设置文档分类
+		//"中文名称" => "数据库中标识"		
+		$this->ptype = array(
+			"新闻" => "news",
+			"想法" => "idea",
+			"帮助" => "help",
+			"关于" => "about"
+		);
+		$this->tbl_archives = "archive";
+		$this->tbl_categorys = "ar_category";
+		$this->tbl_catalog = "ar_catalog";
+		$this->tbl_tag = "ar_tag";
+		
+		$this->DefaultFetchMode = "PDO::FETCH_BOTH";
+	}
+	
+	
+	/*
+	写入关系表
+	不能外部调用
+	*/
+	private function ToCatalog($aid,$cid,$uuid='',$status=0){
+		
+		if(empty($aid) || !is_numeric($aid))
+		{
+			return false;
+		}
+		
+		if(empty($cid) && empty($uuid))
+		{
+			return false;
+		}
+		
+		$data = array(
+			"aid" => $aid,
+			"cid" => $cid,
+			"status" => $status
+		);
+		
+		if(!empty($uuid))
+		{
+			$data['uuid'] = $uuid;
+		}
+		
+		if($this->db->insert($this->tbl_catalog,$data))
+		{
+			return true;
+		}else{
+			return false;
+		}
+		
+	}//ToCatalog()
+	
+	//写入关系表，外部只能调用此接口
+	public function AddToCatalog($aid,$cid,$uuid='',$status=0)
+	{
+		if(!is_numeric($aid))
+		{
+			return false;
+		}
+		
+		if(!is_array($cid) && !is_numeric($cid))
+		{
+			return false;
+		}
+		
+		if(is_array($cid) && count($cid)<1)
+		{
+			return false;
+		}
+		
+		//多个cid
+		if(is_array($cid))
+		{
+
+			foreach($cid as $v)
+			{
+				//多个UUID
+				if(is_array($uuid))
+				{
+					foreach ($uuid as $vv)
+					{
+						$this->ToCatalog($aid,$v,$vv,$status);
+					}
+				}
+				
+				//单个UUID
+				else{
+					$this->ToCatalog($aid,$v,$uuid,$status);
+				}
+				
+			}
+			return true;
+			
+		}
+		
+		//单个cid
+		else{
+			
+			//多个UUID
+			if(is_array($uuid))
+			{
+				foreach($uuid as $v)
+				{
+					$this->ToCatalog($aid,$cid,$v,$status);
+				}
+				return true;
+			}
+			
+			//单个cid和uuid
+			else{
+				return $this->ToCatalog($aid,$cid,$uuid,$status);
+			}
+		}
+	}//AddToCatalog
+	
+	
+	//删除一个关系
+	function DeleteCatalog($id)
+	{
+		$sql = "DELETE FROM ".$this->tbl_catalog." WHERE id=$id";
+		@$this->db->exec($sql);
+	}
+	
+	
+	/*
+	*	更改栏目	ChangeCatalog()
+	*/
+	function ChangeCatalog($aid,$typeid,$uuid='',$status=0){
+		
+		try{
+			$sql = "SELECT * FROM ar_catalog WHERE aid=$aid";
+			$sth = $this->db->query($sql);
+			$rows = $sth->fetchAll();
+			
+			$types = array();
+			
+			foreach($rows as $k=>$v)
+			{
+				$types[] = $v['cid'];
+				if(is_array($typeid))
+				{
+					if(!in_array($v['cid'],$typeid))
+					{
+						//删除一个栏目
+						$this->DeleteCatalog($v['id']);
+					}
+				}else{
+					$this->DeleteCatalog($v['id']);
+				}
+			}
+			
+			if(is_array($typeid))
+			{
+				foreach($typeid as $v)
+				{
+					if(!in_array($v,$types))
+					{
+						//添加一个栏目
+						$this->ToCatalog($aid,$v,$uuid,$status);
+					}
+				}
+			}else{
+				$this->ToCatalog($aid,$typeid,$uuid,$status);
+			}
+			return true;
+		}catch(Exception $e){
+			return $e->getMessage();
+		}
+
+	}//ChangeCatalog
+	
+	//ChangeCatalogByUUID 根据UUID更改记录
+	function ChangeCatalogByUUID($aid,$typeid,$uuid,$status=0)
+	{
+		
+		try{
+			$sql = "SELECT * FROM ar_catalog WHERE aid=$aid";
+			$sth = $this->db->query($sql);
+			$rows = $sth->fetchAll();
+			
+			$types = array();
+			
+			foreach($rows as $k=>$v)
+			{
+				$types[] = $v['uuid'];
+				if(is_array($uuid))
+				{
+					if(!in_array($v['uuid'],$uuid))
+					{
+						//删除一个栏目
+						$this->DeleteCatalog($v['id']);
+					}
+				}else{
+					$this->DeleteCatalog($v['id']);
+				}
+			}
+			
+			if(is_array($uuid))
+			{
+				
+				foreach($uuid as $v)
+				{
+					if(!in_array($v,$types))
+					{
+						//添加一个记录
+						$this->ToCatalog($aid,$typeid,$v,$status);
+					}
+				}
+			}else{
+				$this->ToCatalog($aid,$typeid,$uuid,$status);
+			}
+			return true;
+		}catch(Exception $e){
+			return $e->getMessage();
+		}
+	}//ChangeCatalogByUUID
+	
+	//修改文档状态
+	function ChangeStatus($aid,$pub){
+		
+		if(empty($aid) || !is_numeric($aid))
+		{
+			return false;
+		}
+		
+		if(!is_bool($pub))
+		{
+			return false;
+		}
+		
+		$data = array(
+			"is_pub" => $pub
+		);
+		
+		if($this->db->update($this->tbl_archives,$data,"id=$aid"))
+		{
+			return true;
+		}else{
+			return false;
+		}
+	}//修改文档状态
+	
+	//删除文档
+	function DeleteArchives($aid){
+		
+		if(empty($aid) || !is_numeric($aid))
+		{
+			return false;
+		}
+		
+		$this->DeleteTags($aid);
+		
+		$sql = "DELETE FROM ".$this->tbl_archives." WHERE id=$aid";
+		@$this->db->exec($sql);
+		
+		$sql = "DELETE FROM ".$this->tbl_catalog." WHERE aid=$aid";
+		@$this->db->exec($sql);
+
+		return true;
+	}//DeleteArchives
+	
+	//写入标签关系
+	function MakeTags($aid,$keywords){
+		
+		$keywords = trim($keywords);
+		if(empty($aid) || !is_numeric($aid))
+		{
+			return false;
+		}
+		
+		if(preg_match("/,/",$keywords))
+		{
+			$tag = explode(",",$keywords);
+		}else{
+			if($this->db->insert($this->tbl_tag,array("id"=>$aid,"tag"=>$keywords)))
+			{
+				return true;
+			}else{
+				return true;
+			}
+		}
+		
+		if(is_array($tag))
+		{
+			foreach($tag as $v)
+			{
+				$v = trim($v);
+				if($v!='')
+				{
+					$this->db->insert($this->tbl_tag,array("id"=>$aid,"tag"=>$v));
+				}
+			}
+		}
+		
+		return true;
+		
+	}//MakeTags
+	
+	//读取标签
+	function GetTags($aid,$limit=0){
+		
+		if(empty($aid) || !is_numeric($aid))
+		{
+			return false;
+		}
+		
+		$sql = "SELECT * FROM ".$this->tbl_tag." WHERE id=$aid";
+		
+		if(!empty($limit))
+		{
+			$sql .= " LIMIT $limit";
+		}
+		
+		$sth = $this->db->query($sql);
+		$rows = $sth->fetchAll();
+		
+		$keywords = array();
+		foreach($rows as $k=>$v)
+		{
+			$keywords[] = $v['tag'];
+		}
+		
+		return $keywords;
+	}//GetTags
+	
+	//删除标签
+	function DeleteTags($aid){
+		
+		if(empty($aid) || !is_numeric($aid))
+		{
+			return false;
+		}
+		
+		$sql = "DELETE FROM ".$this->tbl_tag." WHERE id=$aid";
+		@$this->db->exec($sql);
+		return true;
+	}//DeleteTags
+	
+	/*
+	* addArchive() 添加档案
+	*
+	* @param array $data
+	*
+	* @return int;
+	*/
+	function addArchive($data,$typeid,$keyword='',$uuid='')
+	{
+		
+		$data = $this->scanField($data);
+		if($data == false)
+		{
+			return 0;
+		}
+		
+		$config = \Zend_Registry::get('config');
+		
+		//执行SQL语句后返回插入文章表的ID
+		$sql = "INSERT INTO ".$this->tbl_archives." (userid,title,description,image,source,ts_published,is_pub,body,sub) 
+			VALUES (
+			".$data['userid'].",
+			".$data['title'].",
+			".$data['description'].",
+			".$data['image'].",
+			".$data['source'].",
+			".$data['ts_published'].",
+			".$data['is_pub'].",
+			".$data['body'].",
+			'".$config->sub->metadata."'
+			)
+			RETURNING id";
+		try{
+			$sth = $this->db->prepare($sql);
+			if($sth->execute())
+			{
+				$temp = $sth->fetch(PDO::FETCH_ASSOC);
+				$newAid = $temp['id'];
+				$this->AddToCatalog($newAid,$typeid,$uuid);
+				if(!empty($keyword))
+				{
+					$this->MakeTags($newAid,$keyword);
+				}
+				return $newAid;
+			}else{
+				return 0;
+			}
+		}catch(Exception $e)
+		{
+			return 0;
+		}
+	}//addArchive()
+	
+	/*
+	* updateArchive() 更改文档
+	*
+	* @param array $data
+	*
+	* @return int
+	*/
+	function updateArchive($aid,$data,$typeid,$keyword='',$uuid='')
+	{
+		if(!is_numeric($aid))
+		{
+			return 0;
+		}
+		
+		$data = $this->scanField($data);
+		if($data == false)
+		{
+			return 0;
+		}
+		
+		$sql = "UPDATE ".$this->tbl_archives." SET 
+				userid=".$data['userid'].",
+				title=".$data['title'].",
+				description=".$data['description'].",
+				image=".$data['image'].",
+				source=".$data['source'].",
+				ts_published=".$data['ts_published'].",
+				is_pub=".$data['is_pub'].",
+				body=".$data['body']."
+				WHERE id=$aid";
+		try{
+			if($this->db->exec($sql))
+			{
+				if(!empty($keyword))
+				{
+					$this->DeleteTags($aid);
+					$this->MakeTags($aid,$keyword);
+				}
+				if(!is_array($uuid))
+				{
+					$this->ChangeCatalog($aid,$typeid,$uuid);
+				}
+				else{
+					$this->ChangeCatalogByUUID($aid,$typeid,$uuid);
+				}
+				return $aid;
+			}else{
+				return 0;
+			}
+		}catch(Exception $e)
+		{
+			return 0;
+		}
+	}
+	
+	//扫描字段
+	function scanField($data){
+		
+		if(!is_array($data))
+		{
+			return false;
+		}
+		
+		//对特殊字段进行特别处理
+		$data['title'] = $this->replaceHtml($data['title']);
+		$data['description'] = $this->replaceHtml($data['description']);
+		
+		//将参数过滤一遍，如果是字符型字段
+		//就执行db->quote()
+		foreach($data as $k=>$v)
+		{
+			if(!is_numeric($v) || !is_bool($v))
+			{
+				$data[$k] = $this->db->quote($v);
+			}
+		}
+		
+		return $data;
+	}//scanField
+	
+	//过滤UTF-8字符的html代码
+	function replaceHtml($html)
+	{
+		$newString = htmlentities($html, ENT_QUOTES, "UTF-8");
+		return $newString;
+	}
+	
+	/*************  读取   ****************/
+	
+	
+	/*
+	* makeArchiveUrl() 
+	* 创建一个文档的链接
+	* 连接地址需要和路由规则对应
+	*
+	* @param array $parts
+	*
+	* @return string;
+	*/
+	public function makeArchiveUrl($parts)
+	{
+		$http_host = "http://".$_SERVER ['HTTP_HOST'];
+		$controller = "archives";
+		$url = $http_host."/".$controller."/".$parts['ptype']."/".$parts['type_code']."/archive-".$parts['archive_id'].".html";
+		//$url = $http_host."/".$controller."/".$parts['type_code']."/".$parts['archive_id'];
+		return $url;
+	}
+	
+	public function makeCategoryUrl($parts)
+	{
+		$http_host = "http://".$_SERVER ['HTTP_HOST'];
+		$controller = "archives";
+		$url = $http_host."/".$controller."/".$parts['ptype']."/".$parts['type_code']."";
+		return $url;
+	}
+	
+	
+	/*
+	* getArchiveUrl() 
+	* 通过文档ID和栏目ID获得某个文档的url
+	* 仅适用于单个栏目的文档且已经得知其栏目ID
+	* 如果是多个栏目的文档，则获取第一个栏目的文档连接
+	*
+	* @param int $aid
+	*
+	* @return string;
+	*/
+	function getArchiveUrlByCid($aid,$cid=0)
+	{
+		if(empty($aid) || !is_numeric($aid))
+		{
+			return false;
+		}
+		
+		$ecField = array($aid);
+		$wheresql = "";
+		
+		if(!empty($cid) && is_numeric($cid))
+		{
+			$wheresql = " AND c.id=? ";
+			$ecField[] = $cid;
+		}
+		
+		$sql = "SELECT arc.id,c.id as cid,c.title,c.code,c.ptype FROM ".$this->tbl_archives." arc
+				LEFT JOIN ".$this->tbl_catalog." ct ON arc.id=ct.aid
+				LEFT JOIN ".$this->tbl_categorys." c ON ct.cid = c.id
+				WHERE arc.id=? $wheresql
+				LIMIT 1";
+		$sth = $this->db->prepare($sql);
+		$sth->execute($ecField);
+		$row = $sth->fetch(PDO::FETCH_BOTH);
+		
+		$url_parts = array(
+			"ptype"=>$row['ptype'],
+			"type_code"=>$row['code'],
+			"archive_id"=>$row['id']
+		);
+		
+		return array(
+			'archive_url'=>$this->makeArchiveUrl($url_parts),
+			'type_title'=>$row['title'],
+			'type_id'=>$row['cid'],
+			'type_url'=>$this->makeCategoryUrl($url_parts),
+		);
+
+	}//getArchiveUrlByCid()
+	
+	function getArchive($code='')
+	{
+		$sql = "select a.* from ".$this->tbl_archives." a 
+				left join ".$this->tbl_catalog." ac on a.id=ac.aid 
+				left join ".$this->tbl_categorys." c on ac.cid=c.id ";
+		if (!empty($code)) $sql.=" where c.code='".$code."'";
+		$rs=$this->db->query($sql);
+		$rows=$rs->fetchAll();
+		return $rows;
+	}
+
+	//getOneArchive 获取单个文档
+	function getOneArchive($title,$ptype='news')
+	{
+		$sql="update ".$this->tbl_archives." set click=click+1";
+		$this->db->query($sql);
+		$sql = "select a.* from ".$this->tbl_archives." a 
+				left join ".$this->tbl_catalog." ac on a.id=ac.aid 
+				left join ".$this->tbl_categorys." c on ac.cid=c.id ";
+		$sql.=" where a.title=? and c.ptype=?";
+		$sth=$this->db->prepare($sql);
+		$sth->execute(array($title,$ptype));
+		$rows=$sth->fetch();
+		return $rows;
+	}//getOneArchive
+	
+	/*
+	* getArchiveField() 读取某个文档的某个字段
+	*
+	* @param int $aid
+	*
+	* @return string
+	*/
+	function getArchiveField($aid,$field)
+	{
+		if(!is_numeric($aid))
+		{
+			return false;
+		}
+		
+		$sql = "SELECT $field as output_string FROM ".$this->tbl_archives." WHERE id=$aid";
+		$sth = $this->db->query($sql);
+		$row = $sth->fetch();
+		
+		return $row['output_string'];
+	}//getArchiveField
+	
+	/*
+	* getArchiveByUUID() 通过UUID获得数据新闻
+	* 
+	* @param uuid $uuid
+	*
+	* @return array
+	*/
+	function getArchiveByUUID($uuid){
+		
+		if(!preg_match("/^[0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12}$/",$uuid))
+		{
+			return false;
+		}
+		
+		$sql = "SELECT arc.* FROM archive arc
+				LEFT JOIN ar_catalog ct ON arc.id = ct.aid
+				WHERE ct.uuid='$uuid'";
+		$sth = $this->db->query($sql);
+		$rows = $sth->fetchAll(PDO::FETCH_BOTH);
+		
+		return $rows;
+		
+	}//getArchiveByUUID()
+}