php 备份数据库(生成word,excel,json,xml,sql)
来源:互联网 发布:布雷德利步兵战车 知乎 编辑:程序博客网 时间:2024/06/05 19:55
单表备份
代码:
Php代码
- <?php
- class Db
- {
- var $conn;
- function Db($host="localhost",$user="root",$pass="root",$db="test")
- {
- if(!$this->conn=mysql_connect($host,$user,$pass))
- die("can't connect to mysql sever");
- mysql_select_db($db,$this->conn);
- mysql_query("SET NAMES 'UTF-8'");
- }
- function execute($sql)
- {
- return mysql_query($sql,$this->conn);
- }
- function findCount($sql)
- {
- $result=$this->execute($sql);
- return mysql_num_rows($result);
- }
- function findBySql($sql)
- {
- $array=array();
- $result=mysql_query($sql);
- $i=0;
- while($row=mysql_fetch_assoc($result))
- {
- $array[$i]=$row;
- $i++;
- }
- return $array;
- }
- //$con的几种情况
- //空:返回全部记录
- //array:eg. array('id'=>'1') 返回id=1的记录
- //string :eg. 'id=1' 返回id=1的记录
- function toExtJson($table,$start="0",$limit="10",$cons="")
- {
- $sql=$this->generateSql($table,$cons);
- $totalNum=$this->findCount($sql);
- $result=$this->findBySql($sql." LIMIT ".$start." ,".$limit);
- $resultNum = count($result);//当前结果数
- $str="";
- $str.= "{";
- $str.= "'totalCount':'$totalNum',";
- $str.="'rows':";
- $str.="[";
- for($i=0;$i<$resultNum;$i++){
- $str.="{";
- $count=count($result[$i]);
- $j=1;
- foreach($result[$i] as $key=>$val)
- {
- if($j<$count)
- {
- $str.="'".$key."':'".$val."',";
- }
- elseif($j==$count)
- {
- $str.="'".$key."':'".$val."'";
- }
- $j++;
- }
- $str.="}";
- if ($i != $resultNum-1) {
- $str.= ",";
- }
- }
- $str.="]";
- $str.="}";
- return $str;
- }
- function generateSql($table,$cons)
- {
- $sql="";//sql条件
- $sql="select * from ".$table;
- if($cons!="")
- {
- if(is_array($cons))
- {
- $k=0;
- foreach($cons as $key=>$val)
- {
- if($k==0)
- {
- $sql.="where '";
- $sql.=$key;
- $sql.="'='";
- $sql.=$val."'";
- }else
- {
- $sql.="and '";
- $sql.=$key;
- $sql.="'='";
- $sql.=$val."'";
- }
- $k++;
- }
- }else
- {
- $sql.=" where ".$cons;
- }
- }
- return $sql;
- }
- function toExtXml($table,$start="0",$limit="10",$cons="")
- {
- $sql=$this->generateSql($table,$cons);
- $totalNum=$this->findCount($sql);
- $result=$this->findBySql($sql." LIMIT ".$start." ,".$limit);
- $resultNum = count($result);//当前结果数
- header("Content-Type: text/xml");
- $xml="<?xml version=/"1.0/" encoding=/"utf-8/" ?>/n";
- $xml.="<xml>/n";
- $xml.="/t<totalCount>".$totalNum."</totalCount>/n";
- $xml.="/t<items>/n";
- for($i=0;$i<$resultNum;$i++){
- $xml.="/t/t<item>/n";
- foreach($result[$i] as $key=>$val)
- $xml.="/t/t/t<".$key.">".$val."</".$key.">/n";
- $xml.="/t/t</item>/n";
- }
- $xml.="/t</items>/n";
- $xml.="</xml>/n";
- return $xml;
- }
- //输出word表格
- function toWord($table,$mapping,$fileName)
- {
- header('Content-type: application/doc');
- header('Content-Disposition: attachment; filename="'.$fileName.'.doc"');
- echo '<html xmlns:o="urn:schemas-microsoft-com:office:office"
- xmlns:w="urn:schemas-microsoft-com:office:word"
- xmlns="[url=http://www.w3.org/TR/REC-html40]http://www.w3.org/TR/REC-html40[/url]">
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
- <title>'.$fileName.'</title>
- </head>
- <body>';
- echo'<table border=1><tr>';
- if(is_array($mapping))
- {
- foreach($mapping as $key=>$val)
- echo'<td>'.$val.'</td>';
- }
- echo'</tr>';
- $results=$this->findBySql('select * from '.$table);
- foreach($results as $result)
- {
- echo'<tr>';
- foreach($result as $key=>$val)
- echo'<td>'.$val.'</td>';
- echo'</tr>';
- }
- echo'</table>';
- echo'</body>';
- echo'</html>';
- }
- function toExcel($table,$mapping,$fileName)
- {
- header("Content-type:application/vnd.ms-excel");
- header("Content-Disposition:filename=".$fileName.".xls");
- echo'<html xmlns:o="urn:schemas-microsoft-com:office:office"
- xmlns:x="urn:schemas-microsoft-com:office:excel"
- xmlns="[url=http://www.w3.org/TR/REC-html40]http://www.w3.org/TR/REC-html40[/url]">
- <head>
- <meta http-equiv="expires" content="Mon, 06 Jan 1999 00:00:01 GMT">
- <meta http-equiv=Content-Type content="text/html; charset=iso-8859-1">
- <!--[if gte mso 9]><xml>
- <x:ExcelWorkbook>
- <x:ExcelWorksheets>
- <x:ExcelWorksheet>
- <x:Name></x:Name>
- <x:WorksheetOptions>
- <x:DisplayGridlines/>
- </x:WorksheetOptions>
- </x:ExcelWorksheet>
- </x:ExcelWorksheets>
- </x:ExcelWorkbook>
- </xml><![endif]-->
- </head>
- <body link=blue vlink=purple leftmargin=0 topmargin=0>';
- echo'<table width="100%" border="0" cellspacing="0" cellpadding="0">';
- echo'<tr>';
- if(is_array($mapping))
- {
- foreach($mapping as $key=>$val)
- echo'<td>'.$val.'</td>';
- }
- echo'</tr>';
- $results=$this->findBySql('select * from '.$table);
- foreach($results as $result)
- {
- echo'<tr>';
- foreach($result as $key=>$val)
- echo'<td>'.$val.'</td>';
- echo'</tr>';
- }
- echo'</table>';
- echo'</body>';
- echo'</html>';
- }
- function Backup($table)
- {
- if(is_array ($table))
- {
- $str="";
- foreach($table as $tab)
- $str.=$this->get_table_content($tab);
- return $str;
- }else{
- return $this->get_table_content($table);
- }
- }
- function Backuptofile($table,$file)
- {
- header("Content-disposition: filename=$file.sql");//所保存的文件名
- header("Content-type: application/octetstream");
- header("Pragma: no-cache");
- header("Expires: 0");
- if(is_array ($table))
- {
- $str="";
- foreach($table as $tab)
- $str.=$this->get_table_content($tab);
- echo $str;
- }else{
- echo $this->get_table_content($table);
- }
- }
- function Restore($table,$file="",$content="")
- {
- //排除file,content都为空或者都不为空的情况
- if(($file==""&&$content=="")||($file!=""&&$content!=""))
- echo"参数错误";
- $this->truncate($table);
- if($file!="")
- {
- if($this->RestoreFromFile($file))
- return true;
- else
- return false;
- }
- if($content!="")
- {
- if($this->RestoreFromContent($content))
- return true;
- else
- return false;
- }
- }
- //清空表,以便恢复数据
- function truncate($table)
- {
- if(is_array ($table))
- {
- $str="";
- foreach($table as $tab)
- $this->execute("TRUNCATE TABLE $tab");
- }else{
- $this->execute("TRUNCATE TABLE $table");
- }
- }
- function get_table_content($table)
- {
- $results=$this->findBySql("select * from $table");
- $temp = "";
- $crlf="<br>";
- foreach($results as $result)
- {
- $schema_insert = "INSERT INTO $table VALUES (";
- foreach($result as $key=>$val)
- {
- if($val != "")
- $schema_insert .= " '".addslashes($val)."',";
- else
- $schema_insert .= "NULL,";
- }
- $schema_insert = ereg_replace(",$", "", $schema_insert);
- $schema_insert .= ");$crlf";
- $temp = $temp.$schema_insert ;
- }
- return $temp;
- }
- function RestoreFromFile($file){
- if (false !== ($fp = fopen($file, 'r'))) {
- $sql_queries = trim(fread($fp, filesize($file)));
- $this->splitMySqlFile($pieces, $sql_queries);
- foreach ($pieces as $query) {
- if(!$this->execute(trim($query)))
- return false;
- }
- return true;
- }
- return false;
- }
- function RestoreFromContent($content)
- {
- $content = trim($content);
- $this->splitMySqlFile($pieces, $content);
- foreach ($pieces as $query) {
- if(!$this->execute(trim($query)))
- return false;
- }
- return true;
- }
- function splitMySqlFile(&$ret, $sql)
- {
- $sql= trim($sql);
- $sql=split(';',$sql);
- $arr=array();
- foreach($sql as $sq)
- {
- if($sq!="");
- $arr[]=$sq;
- }
- $ret=$arr;
- return true;
- }
- }
- $db=new db();
- // 生成 word
- //$map=array('No','Name','Email','Age');
- //echo $db->toWord('test',$map,'档案');
- // 生成 Excel
- //$map=array('No','Name','Email','Age');
- //echo $db->toExcel('test',$map,'档案');
- // 生成 Xml
- //echo $db->toExtXml('test',0,20);
- // 生成 Json
- //echo $db->toExtJson('test',0,20);
- //备份
- //echo $db->Backuptofile('test','backup');
- ?>
整表备份
Php代码
- $link = mysql_connect(DB_HOST,DB_USER,DB_PASS);
- $tables = mysql_list_tables(DB_NAME);
- $cachetables = array(); $tableselected = array();
- while ($table = mysql_fetch_row($tables))
- {
- $cachetables[$table[0]] = $table[0];
- $tableselected[$table[0]] = 1;
- }
- $table = $cachetables;
- $filename = DB_NAME . "_" . date("Y_m_d_H_i_s") . ".sql";
- $path = "sql/" . $filename;
- $filehandle = fopen($path, "w");
- $result = mysql_query("SHOW tables");
- while ($currow = mysql_fetch_array($result))
- {
- if (isset($table[$currow[0]]))
- {
- sqldumptable($currow[0], $filehandle);
- fwrite($filehandle, "/n/n/n");
- }
- }
- fclose($filehandle);
- $update_data = array('filename' => $filename, 'postdate' => mktime());
- $db->insert('backup_db', $update_data);
- // data dump functions
- function sqldumptable($table, $fp = 0)
- {
- $tabledump = "DROP TABLE IF EXISTS " . $table . ";/n";
- $result = mysql_fetch_array(mysql_query("SHOW CREATE TABLE " . $table));
- //echo "SHOW CREATE TABLE $table";
- $tabledump .= $result[1] . ";/r/n";
- if ($fp) {
- fwrite($fp, $tabledump);
- } else {
- echo $tabledump;
- }
- // get data
- $rows = mysql_query("SELECT * FROM " . $table);
- // $numfields=$DB->num_fields($rows);
- $numfields = mysql_num_fields($rows);
- while ($row = mysql_fetch_array($rows)) {
- $tabledump = "INSERT INTO " . $table . " VALUES(";
- $fieldcounter = -1;
- $firstfield = 1;
- // get each field's data
- while (++$fieldcounter < $numfields) {
- if (!$firstfield) {
- $tabledump .= ", ";
- } else {
- $firstfield = 0;
- }
- if (!isset($row[$fieldcounter])) {
- $tabledump .= "NULL";
- } else {
- $tabledump .= "'" . mysql_escape_string($row[$fieldcounter]) . "'";
- }
- }
- $tabledump .= ");/n";
- if ($fp) {
- fwrite($fp, $tabledump);
- } else {
- echo $tabledump;
- }
- }
- mysql_free_result($rows);
- }
导入数据库
Php代码
- <?php
- $file_dir = dirname(__FILE__);
- $file_name = "2010-05-09-bak.sql";
- $conn = mysql_connect(DB_HOST,DB_USER,DB_PASS);
- mysql_select_db(DB_NAME, $conn);
- $get_sql_data = file_get_contents($file_name, $file_dir);
- $explode = explode(";", $get_sql_data);
- $cnt = count($explode);
- for ($i=0; $i<$cnt; $i++)
- {
- $sql = $explode[$i];
- $result = mysql_query($sql);
- mysql_query("set names 'utf8'");
- if ($result) {
- echo "成功:".$i."个查询<br>";
- } else {
- echo "导入失败:".mysql_error();
- }
- }
- ?>
- php 备份数据库(生成word,excel,json,xml,sql)
- php 备份数据库(生成word,excel,json,xml,sql)
- php数据库导出类 导出JSON,XML,WORD,EXCEL
- php数据库导出类 导出JSON,XML,WORD,EXCEL
- 在php中,怎样冲数据库导出表到json/word/xml/excel
- 关于使用php链接sql数据库生成json数据
- Table表格导出为Excel、csv、txt、sql、json、xml、Word格式
- freemarker生成excel、word、html、xml实例教程
- freemarker生成excel、word、html、xml实例教程
- freemarker生成excel、word、html、xml实例教程
- freemarker生成excel、word、html、xml实例教程
- PHP word,excel导入数据库的问题
- 用 PHP 实现 XML 备份 Mysql 数据库
- 用PHP实现XML备份Mysql数据库
- 用PHP和XML备份MySQL数据库
- php定时备份数据库,导出sql文件
- c# 从sql 数据库生成 excel (转)
- 从数据库导出数据生成word或excel文档
- final 用法介绍:
- 18.Interpreter(行为型模式)
- 令我纠结的乱码文件/夹名
- unix
- linux gcc 编译时头文件和库文件搜索路径inux gcc 编译时头文件和库文件搜索路径
- php 备份数据库(生成word,excel,json,xml,sql)
- 简单手机短信发送软件
- 讨论Java与。net
- 10.3.8反转数组
- Linux中的open函数简要说明
- Flex和Spring的整合
- mysql replace用法
- JRuby 1.6.0.RC1 发布啦
- Linux账户启用与禁用方式