php操作csv文件代码实例汇总

网络编程 2024/11/12 佚名

3 1 2

1.读取csv数据, 输出到sales.csv文件中：

$sales = array(
  array('Northeast', '2004-01-01', '2004-02-01', 12.54),
  array('Northwest', '2004-01-01', '2004-02-01', 546.33),
  array('Southeast', '2004-01-01', '2004-02-01', 93.26),
  array('Southwest', '2004-01-01', '2004-02-01', 945.21),
  array('All Regions', '---', '--', 1597.34),
);

$fh = fopen('sales.csv', 'w') or die("Can't open sales.csv");
foreach($sales as $sales_line){
  if(fputcsv($fh, $sales_line) === false){
    die("Can't write CSV line");  
  }
}

fclose($fh) or die("Can't close sales.csv");

2. 读取csv数据, 使用特殊的流输出

$sales = array(
  array('Northeast', '2004-01-01', '2004-02-01', 12.54),
  array('Northwest', '2004-01-01', '2004-02-01', 546.33),
  array('Southeast', '2004-01-01', '2004-02-01', 93.26),
  array('Southwest', '2004-01-01', '2004-02-01', 945.21),
  array('All Regions', '---', '--', 1597.34),
);

$fh = fopen('php://output', 'w');
foreach($sales as $sales_line){
  if(fputcsv($fh, $sales_line) === false){
    die("Can't write CSV line");  
  }
}

fclose($fh);

3. 读取csv数据, 输出到缓冲中

$sales = array(
  array('Northeast', '2004-01-01', '2004-02-01', 12.54),
  array('Northwest', '2004-01-01', '2004-02-01', 546.33),
  array('Southeast', '2004-01-01', '2004-02-01', 93.26),
  array('Southwest', '2004-01-01', '2004-02-01', 945.21),
  array('All Regions', '---', '--', 1597.34),
);

ob_start();
$fh = fopen('php://output', 'w') or die("Can't open php://output");
foreach($sales as $sales_line){
  if(fputcsv($fh, $sales_line) === false){
    die("Can't write CSV line");  
  }
}

fclose($fh) or die("Can't close php://output");
$output = ob_get_contents();
ob_end_clean();

4. 读取csv文件的数据

$fp = fopen('sample3.csv', 'r') or die("can't open file");
print "<table>\n";
while($csv_line = fgetcsv($fp)){
  print '<tr>';
  for($i=0, $j=count($csv_line); $i<$j; $i++){
    // print '<td>'.htmlentities($csv_line[$i]).'</td>';  
    print '<td>'.htmlentities(iconv("gb2312","utf-8",$csv_line[$i])).'</td>';
  }
  print "</tr>\n";
}
print "</table>\n";
fclose($fp) or die("can't close file");

5. 下载CSV文件

$sales = array(
  array('Northeast', '2004-01-01', '2004-02-01', 12.54),
  array('Northwest', '2004-01-01', '2004-02-01', 546.33),
  array('Southeast', '2004-01-01', '2004-02-01', 93.26),
  array('Southwest', '2004-01-01', '2004-02-01', 945.21),
  array('中国', '2004-01-01', '2004-02-01', 945.21),
);

$fh = fopen('php://output', 'w') or die("can't open php://output");
$total = 0;

// 告诉浏览器发送的是一个csv文件
header('Content-Type: application/csv');
header('Content-Disposition: attachment; filename="sales.csv"');

// 输出表头
fputcsv($output, array('Region', 'Start Date', 'End Date', 'Amount'));
// 输出每一行数据, 并递增$total
foreach($sales as $sales_line){
  if(fputcsv($fh, $sales_line) === false){
    die("Can't write CSV line");  
  }else{
    $total += $sales_line[3];  
  }
}

fputcsv($fh, array('All Regions', '--', '--', $total));

fclose($fh) or die("Can't close php://output");

6.读取CSV文件指定行和区间行

/*****读取CSV文件中的指定行*****/
function get_file_line_a($file_name,$line){
 $n = 0;
 $handle = fopen($file_name,'r');
 if ($handle) {
  while (!feof($handle)) {
    ++$n;
    $out = fgets($handle, 4096);
    if($line==$n) break;
  }
  fclose($handle);
 }
 if( $line==$n) return $out;
 return false;
}

echo get_file_line("windows_2011_s.csv", 10);//输入第10行内容


/*****读取CSV文件中的区间行*****/
function get_file_line_b( $file_name,$line_star, $line_end){
  $n = 0;
  $handle = fopen($file_name,"r");
  if ($handle) {
    while (!feof($handle)) {
      ++$n;
      $out = fgets($handle, 4096);
      if($line_star <= $n){
        $ling[] = $out;
      }
      if ($line_end == $n) break;
    }
    fclose($handle);
  }
  if( $line_end==$n) return $ling;
  return false;
}

//用 get_file_line读取并输出第11行到第20行

$aa = get_file_line("windows_2011_s.csv", 11, 20); //从第11行到第20行
foreach ($aa as $bb){
  echo $bb."<br>";
}

php,操作csv文件

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