php中的csv文件怎么利用fputcsv()函數(shù)進(jìn)行讀取

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fputcsv() 函數(shù)用于將數(shù)據(jù)格式為csv格式,以便寫(xiě)入文件或者數(shù)據(jù)庫(kù).

1.將字符串寫(xiě)入csv文件中,代碼如下:

復(fù)制代碼 代碼如下:

$test_array = array(
    array("111","sdfsd","sdds","43344","rrrr"),
    array("sssssssss","gdfgfd","232323","wwewe","dsfds"),
    array("fgfg","e4343","dsfds","w2332","xcvxc"),
    array("11212","2323","344343","344343","rerreer"),
    array("fds","43344444","33333333","ttttttt","gggggggggggg"),
    array("kdfs","dsfdsfds","wewewe","sdsdddddddd","wwwwwwwwwww")
);
 
$file = fopen("test.csv","w") or die("Can't Open test.csv");
foreach($test_array as $line_array)
{
    $isSuccess = fputcsv($file,$line_array);
    print $isSuccess."<br>";
　if($isSuccess===false)
    {
        die("Can't write csv line".$line_array);
    }
}
fclose($file) or die("Can't close file test.csv.");

fputcsv()函數(shù)返回所寫(xiě)入行的字符的個(gè)數(shù)或者false,當(dāng)寫(xiě)入失敗時(shí)返回false.

2.將格式化的csv字符串保存到字符串中,代碼如下:

復(fù)制代碼 代碼如下:

$test_array = array(
        array("111","sdfsd","sdds","43344","rrrr"),
        array("sssssssss","gdfgfd","232323","wwewe","dsfds"),
        array("fgfg","e4343","dsfds","w2332","xcvxc"),
        array("11212","2323","344343","344343","rerreer"),
        array("fds","43344444","33333333","ttttttt","gggggggggggg"),
        array("kdfs","dsfdsfds","wewewe","sdsdddddddd","wwwwwwwwwww")
);
ob_start();
$file = fopen("php://output","w") or die("Can't Open php://output");
foreach($test_array as $line_array)
{
        $isSuccess = fputcsv($file,$line_array);
        if($isSuccess===false)
        {
            die("Can't write csv line".$line_array);
        }
}

fclose($file) or die("Can't close file test.csv.");
$result = ob_get_contents();
ob_end_clean();
以用fgetcsv(file,length,separator,enclosure)函數(shù)讀取csv文件.

fgetcsv的參數(shù)說(shuō)明如下:

file：需要讀取的csv文件，此參數(shù)是必需的。

length：表示大于csv文件中最長(zhǎng)的行的長(zhǎng)度的值。php5之前是必需參數(shù)。在php5中是可選參數(shù)，如果不設(shè)置此參數(shù)或者將其設(shè)為0，php將會(huì)讀取.

一整行的數(shù)據(jù)。如果行的長(zhǎng)度超過(guò)8192個(gè)字節(jié)時(shí)，應(yīng)該將length值設(shè)定一個(gè)數(shù)，而不是讓php自動(dòng)去計(jì)算行的長(zhǎng)度。

separator：指定數(shù)據(jù)的分隔符，默認(rèn)是逗號(hào)，如果指定為“；”，那么fgetcsv函數(shù)將按照“；”來(lái)解析行數(shù)據(jù)。

fgetcsv的返回值:

根據(jù)file的一行數(shù)據(jù),返回一個(gè)數(shù)組,如果讀取文件出錯(cuò),則返回false,到達(dá)文件尾部時(shí),也返回false.

下面是一個(gè)讀取test.csv文件的例子:

復(fù)制代碼 代碼如下:

$file = fopen('test.csv','r') or die("Can't open file test.csv");
$color="#ff0000";
print '<table border=0>';
while($csv_line=fgetcsv($file))
{
        print "<tr>";
        $len = count($csv_line);
        for($i=0;$i<$len;$i++)
        {
            if($i%2==0)$color="#cccccc";
            else $color="#999999";
            print '<td bgcolor='.$color.'>'.htmlentities($csv_line[$i]).'</td>';
        }
        print "</tr>";
}
print '</table>';
fclose($file) or die("Can't close file test.csv!");

上述就是小編為大家分享的php中的csv文件怎么利用fputcsv()函數(shù)進(jìn)行讀取了，如果剛好有類(lèi)似的疑惑，不妨參照上述分析進(jìn)行理解。如果想知道更多相關(guān)知識(shí)，歡迎關(guān)注億速云行業(yè)資訊頻道。