我正在尝试将特定列数据（即票证编号、公司/客户名称、问题主题、关闭日期）从我的 SQL 数据库表导出到 Excel（.xls），我已经编写了代码，但它正在导出我的整个数据库表. （见下面的代码）
需要导出的具体列数据：
- 票号
- 姓名
- 公司
- 主题
- 关闭
还有什么方法可以添加一个只导出特定范围的函数（即日期范围从 2012 年 10 月 1 日到 2012 年 10 月 31 日）？
<?PHP
//EDIT YOUR MySQL Connection Info:
$DB_Server = "localhost"; //your MySQL Server
$DB_Username = "root"; //your MySQL User Name
$DB_Password = ""; //your MySQL Password
$DB_DBName = "my_databse"; //your MySQL Database Name
$DB_TBLName = "my_table"; //your MySQL Table Name
//$DB_TBLName, $DB_DBName, may also be commented out & passed to the browser
//as parameters in a query string, so that this code may be easily reused for
//any MySQL table or any MySQL database on your server
//DEFINE SQL QUERY:
//edit this to suit your needs
$sql = "Select * from $DB_TBLName";
//Optional: print out title to top of Excel or Word file with Timestamp
//for when file was generated:
//set $Use_Titel = 1 to generate title, 0 not to use title
$Use_Title = 1;
//define date for title: EDIT this to create the time-format you need
$now_date = DATE('m-d-Y H:i');
//define title for .doc or .xls file: EDIT this if you want
$title = "Dump For Table $DB_TBLName from Database $DB_DBName on $now_date";
/*
Leave the connection info below as it is:
just edit the above.
(Editing of code past this point recommended only for advanced users.)
*/
//create MySQL connection
$Connect = @MYSQL_CONNECT($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,$Connect)
or DIE("Couldn't execute query:<br>" . MYSQL_ERROR(). "<br>" . MYSQL_ERRNO());
//if this parameter is included ($w=1), file returned will be in word format ('.doc')
//if parameter is not included, file returned will be in excel format ('.xls')
IF (ISSET($w) && ($w==1))
{
$file_type = "msword";
$file_ending = "doc";
}ELSE {
$file_type = "vnd.ms-excel";
$file_ending = "xls";
}
//header info for browser: determines file type ('.doc' or '.xls')
HEADER("Content-Type: application/$file_type");
HEADER("Content-Disposition: attachment; filename=MDT_DB_$now_date.$file_ending");
HEADER("Pragma: no-cache");
HEADER("Expires: 0");
/* Start of Formatting for Word or Excel */
IF (ISSET($w) && ($w==1)) //check for $w again
{
/* FORMATTING FOR WORD DOCUMENTS ('.doc') */
//create title with timestamp:
IF ($Use_Title == 1)
{
ECHO("$title\n\n");
}
//define separator (defines columns in excel & tabs in word)
$sep = "\n"; //new line character
WHILE($row = MYSQL_FETCH_ROW($result))
{
//set_time_limit(60); // HaRa
$schema_insert = "";
FOR($j=0; $j<mysql_num_fields($result);$j++)
{
//define field names
$field_name = MYSQL_FIELD_NAME($result,$j);
//will show name of fields
$schema_insert .= "$field_name:\t";
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);
$schema_insert .= "\t";
PRINT(TRIM($schema_insert));
//end of each mysql row
//creates line to separate data from each MySQL table row
PRINT "\n----------------------------------------------------\n";
}
}ELSE{
/* FORMATTING FOR EXCEL DOCUMENTS ('.xls') */
//create title with timestamp:
IF ($Use_Title == 1)
{
ECHO("$title\n");
}
//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))
{
//set_time_limit(60); // HaRa
$schema_insert = "";
FOR($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);
//following fix suggested by Josue (thanks, Josue!)
//this corrects output in excel when table fields contain \n or \r
//these two characters are now replaced with a space
$schema_insert = PREG_REPLACE("/\r\n|\n\r|\n|\r/", " ", $schema_insert);
$schema_insert .= "\t";
PRINT(TRIM($schema_insert));
PRINT "\n";
}
}
?>