php 使用指定编码导出mysql数据到csv的简单示例

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<?PHP     
/**
 * 使用指定的编码导出MysqL数据到csv的代码
 *
 * @param 
 * @author 网： 512Pic.com                            * PHP code to export MysqL data to CSV     
 * 
 * Sends the result of a MysqL query as a CSV file for download
 * Easy to convert to UTF-8.
 */
 /*
 * establish database connection                                                
 */
$conn = MysqL_connect('localhost','login','pass') or die(MysqL_error());  
MysqL_select_db('database_name',$conn) or die(MysqL_error($conn));                 
MysqL_query(SET NAMES CP1252);                                                
/* 
 * execute sql query                                                            
 */
$query = sprintf('SELECT field1,field2 FROM table_name');      
$result = MysqL_query($query,$conn) or die(MysqL_error($conn));                
/* 
 * send response headers to the browser                                       
 * following headers instruct the browser to treat the data as a csv file called export.csv
*/
header('Content-Type: text/csv; charset=cp1252');                               
header('Content-disposition: attachment;filename=output.csv');                 
/* 
 * output header row (if atleast one row exists)                                
 */
$row = MysqL_fetch_assoc($result);                                              
if ($row) {                                                                     
	echocsv(array_keys($row));                                                  
}  
/* 
 * output data rows (if atleast one row exists)                                 
 */                                              
while ($row) {                                                                  
	echocsv($row);                                                              
	$row = MysqL_fetch_assoc($result);                                          
}  
/* 
 * echo the input array as csv data maintaining consistency with most CSV implementations 
 * - uses double-quotes as enclosure when necessary                             
 * - uses double double-quotes to escape double-quotes                          
 * - uses CRLF as a line separator                                              
 */
function echocsv($fields)                                                       
{  
	$separator = '';                                                            
	foreach ($fields as $field) {                                               
		if (preg_match('/\\r|\\n|,|/',$field)) {                              
			$field = '' . str_replace('','',$field) . '';                
		}                                                                       
		echo $separator . $field;                                               
		$separator = ',';                                                       
	}                                                                           
	echo \r\n;                                                                
}  
            
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