从CSV中抓取,对所选字段进行序列化并修改CSV


Grab from CSV, serialise selected fields and modify CSV

我有一个格式相对简单的Excel/CSV文件。

1|2|3|4|10|20|30
 | | | |40|50|60
 | | | |70|80|90
9|8|7|6|01|02|03
 | | | |04|05|06
 | | | |07|08|09
 | | | |10|11|12

7个字段的完整行是单个项目,而5、6和7的重复列表示我想要串行化的数据。每个主行可以具有任意数量的关联的部分行。

因此,对于上面的第1项,要串行化的数据是:

 | | | |10|20|30
 | | | |40|50|60
 | | | |70|80|90

项目2也是如此,尽管除了项目数量之外,单元格内容完全是任意的。

输出将在下面以获得串行数据,除了它需要返回CSV(如第8列),而不是打印到页面,并删除额外的行(在这种情况下为2-3、5-6)。

如果我能实现以下目标,那就太好了:

<?
$line_1 = array(
    array('1' => '10', '20', '30'), 
    array('1' => '40', '50', '60'), 
    array('1' => '70', '80', '90'), 
);
$line_2 = array(
    array('1' => '01', '02', '03'), 
    array('1' => '04', '05', '06'), 
    array('1' => '07', '08', '09'), 
    array('1' => '10', '11', '12'), 
);
echo serialize($line_1);
echo serialize($line_2);
?>  

最后:

1|2|3|4|10|20|30|serialize($line_1)
9|8|7|6|01|02|03|serialize($line_2)

然后它将只是一个将其写入父行的情况。

第一行的输出如下,并写入第H列:

1|2|3|4|10|20|30|a:3:{i:0;a:3:{i:1;s:2:"10";i:2;s:2:"20";i:3;s:2:"30";}i:1;a:3:{i:1;s:2:"40";i:2;s:2:"50";i:3;s:2:"60";}i:2;a:3:{i:1;s:2:"70";i:2;s:2:"80";i:3;s:2:"90";}}

在没有PHP干预的情况下,在Excel中可以做到这一点吗?如果不能,如何在PHP中做到这一步?

因为问题有点变化,我要给出一个新的答案。希望这能有所帮助。

<?php
  $array_to_serialize = array();
  $output_array = array();
  $in_lines = array();
  $in_csv = '1,2,3,4,10,20,30' . "'r'n" .
            ',,,,40,50,60' . "'r'n" .
            ',,,,70,80,90' . "'r'n" .
            '9,8,7,0,01,02,03' . "'r'n" .
            ',,,,40,11,60' . "'r'n" .
            ',,,,70,80,90' . "'r'n" .
            '9,8,7,6,01,02,03' . "'r'n" .
            ',,,,04,05,06' . "'r'n" .
            ',,,,07,08,09';

  $in_lines = explode("'n", $in_csv);
  while (list(, $line) = each($in_lines)) {
    $line_parts = explode(",", trim($line));
    if ($line_parts[0] != '') {
      if (!empty($beginning_numbers)) {
        $output_array[] = implode(',', $beginning_numbers) . ',' . serialize($matrix_part);
      }
      $beginning_numbers = array_slice($line_parts, 0, 4);
      $matrix_part = array(array_slice($line_parts, 4));
      $output_line = $line_parts;
      $array_to_serialize = array();
    } else {
      $matrix_part[] = array_slice($line_parts, 4);
    }
  }
  $output_array[] = implode(',', $beginning_numbers) . ',' . serialize($matrix_part);
  $out_text = implode("'r'n", $output_array);
  echo $out_text;
?>

在excel中,在h1:上复制此行

=IF(A1<>"";IF(A2="";IF(A3="";TEXT(E2;"0")&","&TEXT(F2;"0")&","&TEXT(G2;"0")&","&TEXT(E3;"0")&","&TEXT(F3;"0")&","&TEXT(G3;"0");"");""); "")

然后从单元格光标的右下角向下拖动,将该行复制到其下方的行上。

如果你想在php中完成,这里有代码(减去文件读取):

<?php
  $array_to_serialize = array();
  $output_array = array();
  $in_lines = array();
  $in_csv = '1,2,3,4,10,20,30' . "'r'n" .
            ',,,,40,50,60' . "'r'n" .
            ',,,,70,80,90' . "'r'n" .
            '9,8,7,6,01,02,03' . "'r'n" .
            ',,,,04,05,06' . "'r'n" .
            ',,,,07,08,09';

  $in_lines = explode("'n", $in_csv);
  while (list(, $line) = each($in_lines)) {
    $line_parts = explode(",", trim($line));
    if ($line_parts[0] != '') {
      if (!empty($output_line)) {
        $output_array[] = implode(',', $output_line) . ',' . implode(',', $array_to_serialize);
      }
      $output_line = $line_parts;
      $array_to_serialize = array();
    } else {
      $array_to_serialize[] = $line_parts[4];
      $array_to_serialize[] = $line_parts[5];
      $array_to_serialize[] = $line_parts[6];
    }
  }
  $output_array[] = implode(',', $output_line) . ',' . implode(',', $array_to_serialize);
  $out_csv = implode("'r'n", $output_array);
  echo $out_csv;
?>