使用PHP代码和HTML表单将Excel (.csv) 导入MySQL数据库

3
我知道有其他类似的帖子,但是每个人都建议直接在PHPMyAdmin中将其导入到MySQL中(这完美地运作,但我需要通过HTML表单导入到PHP到MySQL)。
我想要一个HTML表单来收集文件。然后将该文件传递给PHP脚本,并且我想知道是否可以简单地调用PHP函数将逗号分隔的.csv文件转换为MySQL并将其添加到数据库中。
还是唯一的方法是逐行解析文件并添加每条记录?

PHPMyAdmin使用HTML表单和PHP。阅读其源代码以了解它们是如何实现的。 - Casey Chu
请查看http://code.google.com/p/php-csv-parser/,它可以将.csv文件转换为数组。然后您可以循环遍历该数组并构建INSERT查询。 - JDavis
3个回答

7

我没有完全测试过这个,但我不认为它不能工作。

<?php

if ( isset( $_FILES['userfile'] ) )
{
  $csv_file = $_FILES['userfile']['tmp_name'];

  if ( ! is_file( $csv_file ) )
    exit('File not found.');

  $sql = '';

  if (($handle = fopen( $csv_file, "r")) !== FALSE)
  {
      while (($data = fgetcsv($handle, 1000, ",")) !== FALSE)
      {
          $sql .= "INSERT INTO `table` SET
            `column0` = '$data[0]',
            `column1` = '$data[1]',
            `column2` = '$data[2]';
          ";
      }
      fclose($handle);
  }

  // Insert into database

  //exit( $sql );
  exit( "Complete!" );
}
?>
<!DOCTYPE html>
<html>
<head>
  <title>CSV to MySQL Via PHP</title>
</head>
<body>
  <form enctype="multipart/form-data" method="POST">
    <input name="userfile" type="file">
    <input type="submit" value="Upload">
  </form>
</body>
</html>

当然,您需要先验证数据。

进行得不错,只需要稍微修改一下以适用于其他数据库。你能告诉我如何导出吗?非常感谢。 - Kasnady

1
我们之前用过这个,它运行得很好。只需注意文件和目录权限。csv_upload_mysql_conf.inc是数据库链接。这将同时解析多个文件,并将它们放入名为import的表中。请相应地进行更新。
<?php

/* The conf file */
include_once "csv_upload_mysql_conf.inc";

$php_self = $_SERVER['PHP_SELF'];
$file_open = 0;
$file_exts = array
( 'csv');

#Our Form.....

$form = <<< EOFFORM
 <div align='center'  style='border: 1px solid #CCC; background-color: #FAFAFA;padding: 10px; color: #006699; width: 620px; font-family: palatino, verdana, arial, sans-serif;' >
<table align=center style='border: 1px solid #CCC; background-color: #FFF;padding: 20px; color: #006699;' cellspacing=1><tbody>
<tr><td>
<form enctype='multipart/form-data' action='$php_self' method='post'><input type='hidden' name='MAX_FILE_SIZE' value='2000000' /><input type='hidden' name='selected' value='yes' /> Selected file: <input name='userfile[]' type='file' id='userfile[]' multiple='' onChange='makeFileList();' /><br /><br /><input type='submit' value='Upload CSV' />
</td></tr></tbody></table></div>
<p>
        <strong>Files You Selected:</strong>

    </p>
    <ul id="fileList"><li>No Files Selected</li></ul>
<script type='text/javascript'>
        function makeFileList() {
            var input = document.getElementById('userfile[]');
            var ul = document.getElementById('fileList');
            while (ul.hasChildNodes()) {
                ul.removeChild(ul.firstChild);
            }
            for (var i = 0; i < input.files.length; i++) {
                var li = document.createElement('li');
                li.innerHTML = input.files[i].name;
                ul.appendChild(li);
            }
            if(!ul.hasChildNodes()) {
                var li = document.createElement('li');
                li.innerHTML = 'No Files Selected';
                ul.appendChild(li);
            }
        }
    </script>
EOFFORM;

#End Form;

if(!isset($_POST['selected'])){ 

            echo "$form";

        }

        elseif($_POST['selected'] == "yes"){
            $uploaddir = 'uploads/';
            if(count($_FILES['userfile']['name'])) {
                foreach ($_FILES['userfile']['name'] as $key => $error) {
                if ($error == UPLOAD_ERR_OK) {
                    $tmp_name = $_FILES['userfile']['tmp_name'][$key];
                    $name = $_FILES['userfile']['name'][$key];
                    $f_type = trim(strtolower(end(explode('.', $name))));
                    if (!in_array($f_type, $file_exts)) die("Sorry, $f_type files not allowed");
                }
        $uploadfile = $uploaddir . $name;
        if (! file_exists($uploadfile)) {
            if (move_uploaded_file($tmp_name, $uploadfile)) {
                print "File is valid, and was successfully uploaded. ";
                $flag = 1;
                chmod($uploadfile, 0777);
                } else {
                print "File Upload Failed. ";
                $flag = 0;
                } 

        $flag = 1;

        if ($flag == 1) {
        echo "\n parsing Data...";
        flush();

        if (file_exists($uploadfile)) {
        $fp = fopen($uploadfile, 'r') or die (" Can't open the file");
        $fileopen = 1;
        $length = calculate_length($uploadfile);
        }

        $replace = "REPLACE";
        $field_terminater = ",";
        $enclose_option = 1;
        $enclosed = '"';
        $escaped = '\\\\';
        $line_terminator = 1;
        $local_option = 1;

        $sql_query     =  'LOAD DATA';

            if ($local_option == "1") {
                $sql_query     .= ' LOCAL';
            }

            $sql_query     .= ' INFILE \'' . $uploadfile . '\'';
            if (!empty($replace)) {
                $sql_query .= ' ' . $replace;
            }
            $sql_query     .= ' INTO TABLE ' . "`import`";
            if (isset($field_terminater)) {
                $sql_query .= ' FIELDS TERMINATED BY \'' . $field_terminater . '\'';
            }
            if (isset($enclose_option) && strlen($enclose_option) > 0) {
                $sql_query .= ' OPTIONALLY';
            }
            if (strlen($enclosed) > 0) {
                $sql_query .= ' ENCLOSED BY \'' . $enclosed . '\'';
            }
            if (strlen($escaped) > 0) {
                $sql_query .= ' ESCAPED BY \'' . $escaped . '\'';
            }
            if (strlen($line_terminator) > 0){
                $sql_query .= ' LINES TERMINATED BY \'' . '\r\n' . '\'';
            }

        $result = mysql_query ($sql_query);
        echo mysql_error() ;

        if(mysql_affected_rows() > 1) {
                echo " <div align=center><b><font color=#66CC33>The csv data was added.</font></div> ";
        }
        else {
            error_log(mysql_error());
            echo " <div align=center><b><font color=#E96B10> Couldn't enter the data to db </font></div>";
        }

        if ($file_open ==1) {
        fclose($fp) or die("Couldn't close the file");
        }
    }
}
}
echo "<meta http-equiv='refresh' content='0; url=index.php'>";
}
}

function calculate_length($fp) {
   $length = 1000;
   $array = file($fp);
   for($i=0;$i<count($array);$i++)
   {
       if ($length < strlen($array[$i]))
       {
           $length = strlen($array[$i]);
       }
   }
   unset($array);
   return $length;
}

?>

90%不是我的代码,也不会声称是我的。使用它需要自担风险...它在Google搜索结果中随处可见。我相信可以进行一些改进。另外,请原谅我们懒惰的文件扩展名数组。有时我们允许txt文件,所以我们只留下一个值的数组代码。 - Dean Grell

1

您的代码中一切正常,唯一的错误是您没有使用mysql_query将数据插入表中。Mysql查询在您的脚本中未运行。以下是更正后的代码...

    <?php

if ( isset( $_FILES['userfile'] ) )
{
  $csv_file = $_FILES['userfile']['tmp_name'];

  if ( ! is_file( $csv_file ) )
    exit('File not found.');

  $sql = '';

  if (($handle = fopen( $csv_file, "r")) !== FALSE)
  {
      while (($data = fgetcsv($handle, 1000, ",")) !== FALSE)
      {
          $sql = mysql_query("INSERT INTO `table` SET
            `column0` = '$data[0]',
            `column1` = '$data[1]',
            `column2` = '$data[2]';
          ");
      }
      fclose($handle);
  }

  // Insert into database

  //exit( $sql );
  exit( "Complete!" );
}
?>
<!DOCTYPE html>
<html>
<head>
  <title>CSV to MySQL Via PHP</title>
</head>
<body>
  <form enctype="multipart/form-data" method="POST">
    <input name="userfile" type="file">
    <input type="submit" value="Upload">
  </form>
</body>
</html>

我不想真正将数据放入数据库,因为这并不是回答他的问题所必需的。我只是想展示一个实际可运行和测试查询的工作示例。如果你试图运行它,我很确定你的示例会失败。理想情况下,你应该使用PDObindParam而不是连接一系列的“INSERT INTO”语句。 - JDavis

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