From 9421ae190da29afc0d5b602e5e99d962cb20f1f3 Mon Sep 17 00:00:00 2001
From: Li Jianxuan <la5c@qq.com>
Date: Mon, 19 Mar 2012 08:50:13 +0000
Subject: [PATCH] =?UTF-8?q?#284=20=E5=90=8E=E5=8F=B0=E4=B8=8B=E8=BD=BD?=
 =?UTF-8?q?=E5=85=A8=E9=83=A8=E5=85=83=E6=95=B0=E6=8D=AExml=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../admin/controllers/DataController.php      | 113 ++++++++++++------
 1 file changed, 74 insertions(+), 39 deletions(-)

diff --git a/application/admin/controllers/DataController.php b/application/admin/controllers/DataController.php
index b39cd732..3c59030f 100755
--- a/application/admin/controllers/DataController.php
+++ b/application/admin/controllers/DataController.php
@@ -332,42 +332,77 @@ class Admin_DataController extends Zend_Controller_Action
 			
 		}//编辑附件
 		
+		/*
+		* 输出打包下载的xml文件
+		*
+		* 文件量大时可能出现超时，需要修改超时时间为无限
+		*/
 		elseif ($down) {
-			$zip = new ZipArchive();
-			$url="/tmp/xml.zip";
-			$opened=$zip->open($url, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE);
-    		if( $opened !== true ){
-        		die("cannot open {$url} for writing.");
-    		}			
+			
+			$this->_helper->layout->disableLayout();
+			$this->_helper->viewRenderer->setNoRender();
+			
+			//临时zip文件名
+			$tmpname="dataxml";
+			
+			//xml文件存放的缓存目录
 			$dirName = '../data/import/';
-			$zip->addEmptyDir("xml/");
-		
-  			$filesToAdd = array();
-  			$dir = dir($dirName);
-    		while (false !== ($node = $dir->read())) {
-        		if (($node == '..') || ($node == '.')) {
-           		continue;
-        		}
-       		if (is_file($dirName.$node)) {
-            	$zip->addFile($dirName.$node,"xml/".$node);
-        		}
-    		} 		
-   		$zip->close(); 
-    		$content=file_get_contents($url);
-    		$this->_helper->layout->disableLayout();
-    		$this->_helper->viewRenderer->setNoRender();    		
+			
+			//查询需要创建的文件
+			$sql = "SELECT md.title,md.uuid,x.* from xml x
+					LEFT JOIN metadata md ON md.id=x.id";
+					
+			$sth = $this->db->prepare($sql);
+			$sth->execute();
+			$rows = $sth->fetchAll(); //将结果储存，但不使用
+			
+			//创建zip文件，创建成功后再使用查询结果
+			$zip = new ZipArchive();
+			$url = tempnam($this->config->temp->path,$tmpname);//创建临时文件
+
+			if( $zip->open($url, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE) !== true )
+			{
+				throw new Exception("cannot open {$url} for writing.");
+			}
+			
+			foreach($rows as $k=>$v)
+			{
+				
+				$filename = $dirName.$v['uuid'].'.xml';
+				
+				//创建xml文件
+				$handle = fopen($filename,"w");
+				fwrite($handle,$v['data']);
+				fclose($handle);
+				
+				//添加到zip文件
+				//zip localname 直接使用UUID作为文件名
+				$zip->addFile($filename,$v['uuid'].".xml");
+
+			}
+			$zip->close(); 
+			
+			//zip文件创建完成后删除服务器上的缓存文件，防止发生冗余
+			foreach($rows as $k=>$v)
+			{
+				$filename = $dirName.$v['uuid'].'.xml';
+				unlink($filename);
+			}
+
+    		//输出下载
+			$content=file_get_contents($url);
 			$this->getResponse()->setHeader('Content-Type', 'application/octet-stream')
-									->setHeader('Content-Disposition','attachment; filename="'.basename($url).'"')
-									->setHeader('Content-Length', strlen($content))
-									->setHeader('Content-Type','application/force-download')
-									->setHeader('Content-Type','application/download')
-									->setHeader('Content-Type','application/zip')
-									->setHeader('Content-Description','File Transfer')
-									->setHeader('Content-Transfer-Encoding','binary')
-									->setHeader('Expires',0)
-									->setHeader('Cache-Control','must-revalidate, post-check=0, pre-check=0')
-									->setHeader('Pragma','public')
-									->setBody($content);
+											->setHeader('Content-Disposition','attachment; filename="dataxml.zip"')
+											->setHeader('Content-Length', strlen($content))
+											->setHeader('Content-Type','application/force-download')
+											->setHeader('Content-Type','application/download')
+											->setHeader('Content-Type','application/zip')
+											->setHeader('Content-Description','File Transfer')
+											->setHeader('Content-Transfer-Encoding','binary')
+											->setHeader('Expires',0)
+											->setHeader('Cache-Control','must-revalidate, post-check=0, pre-check=0')
+											->setHeader('Pragma','public')
+											->setBody($content);
 		}//down
 		else if($search){
 			
@@ -684,11 +719,11 @@ class Admin_DataController extends Zend_Controller_Action
 						$lines=explode("\n",$ref);
 						foreach($lines as $line)
 						{
-							$data=explode(";",$line);
-							if (count($data)==2) 
-							  $link='';
-							else 
-							  $link=$data[2];
+							$data=explode(";",$line);
+							if (count($data)==2) 
+							  $link='';
+							else 
+							  $link=$data[2];
 							$link=$this->db->quote($link);
 							$sql="insert into reference (reference,link) values(?,".$link.")";
 							try { 
@@ -1122,7 +1157,7 @@ class Admin_DataController extends Zend_Controller_Action
 			
 			
 		}// 清除元数据来源记录
-		elseif ($do=='sync') { //同步数据来源到metadata表
+		elseif ($do=='sync') { //同步数据来源到metadata表
 			$redirect = "/admin/data/source/";
 			$sql = "update metadata m set source=s.uuid from source s right join datasource d on s.id=d.sourceid where m.uuid=d.uuid";
 			if($this->db->exec($sql))