零不显示为excell文件中的前缀

• Z时代
• 2024-01-10
• 分类：问答

我有一张表包含以下数据。零不显示为excell文件中的前缀

emp_name emp_id 
Test1 0011 
Test2 0532 

我正在使用php下载excell中的数据。下面是代码。

<?php 
/*******EDIT LINES 3-8*******/ 
$DB_Server = "localhost"; //MySQL Server  
$DB_Username = "usr"; //MySQL Username  
$DB_Password = "pass";    //MySQL Password  
$DB_DBName = "db_name";   //MySQL Database Name 
$DB_TBLName = "table_name"; //MySQL Table Name 
$timezone = +6; 
$date_time=gmdate("Y_m_d-H-i-s", time() + 3600*($timezone+date("I"))); 
$filename = "ALL_Report_$date_time";   //File Name 
/*******YOU DO NOT NEED TO EDIT ANYTHING BELOW THIS LINE*******/  
//create MySQL connection 
$sql = "SELECT name,emp_id from emp_info"; 
$Connect = @mysql_connect($DB_Server, $DB_Username, $DB_Password) or 
die("Couldn't connect to MySQL:<br>" . mysql_error() . "<br>" . 
mysql_errno()); 
//select database 
$Db = @mysql_select_db($DB_DBName, $Connect) or die("Couldn't select 
database:<br>" . mysql_error(). "<br>" . mysql_errno()); 
//execute query 
$result = @mysql_query($sql,$Connect) or die("Couldn't execute query:<br>" . 
mysql_error(). "<br>" . mysql_errno());  
$file_ending = "xls"; 
//header info for browser 
header("Content-Type: application/xls");  
header("Content-Disposition: attachment; filename=$filename.xls"); 
header("Pragma: no-cache"); 
header("Expires: 0"); 
/*******Start of Formatting for Excel*******/ 
//define separator (defines columns in excel & tabs in word) 
$sep = "\t"; //tabbed character 
//start of printing column names as names of MySQL fields 
for ($i = 0; $i < mysql_num_fields($result); $i++) { 
echo mysql_field_name($result,$i) . "\t"; 
} 
print("\n");  
//end of printing column names 
//start while loop to get data 
while($row = mysql_fetch_row($result)) 
{ 
    $schema_insert = ""; 
    for($j=0; $j<mysql_num_fields($result);$j++) 
    { 
     if(!isset($row[$j])) 
      $schema_insert .= "NULL".$sep; 
     elseif ($row[$j] != "") 
      $schema_insert .= "$row[$j]".$sep; 
     else 
      $schema_insert .= "".$sep; 
    } 
    $schema_insert = str_replace($sep."$", "", $schema_insert); 
    $schema_insert = preg_replace("/\r\n|\n\r|\n|\r/", " ", $schema_insert); 
    $schema_insert .= "\t"; 
    print(trim($schema_insert)); 
    print "\n"; 
} 
?> 

使用这个脚本我得到的数据正确，但是当我打开它的excell。前缀0不显示在excell表单中。

数据显示为以下格式。

emp_name emp_id 
Test1 11 
Test2 532 

请帮助我如何获得前缀为零的数据。

回答：

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