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1,php从文本逐行读入数据,保存到数据组。使用fopen读取文本内容,逐行读取文本是$majorId = trim(fgets($rfile, 4096));。
$rfile = fopen("cate_id.txt", "r");
if ($rfile) {
    while (!feof($rfile)) {
        $majorId = trim(fgets($rfile, 4096));
        $majorName = CategoryNamespace::getMajorCategoryById($majorId);
        if(!$majorName){
            $majorName = CategoryNamespace::getMinorCategoryById($majorId);
        }
        $majorArray[$i][‘id‘] = $majorId;
        $majorArray[$i][‘name‘] = $majorName[‘name‘];
        $i++;
    }
    fclose($rfile);
}
2,将数组数导出到文本,将数组内容拆分为字符串,将字符串导出到文本。
$majorStr = "majorId"."\t"."majorName"."\n";
$wfile = ‘cate_result.txt‘;
foreach($majorArray as $major){
    $majorStr = trim($majorStr.$major[‘id‘])."\t".trim($major[‘name‘])."\n";
}
file_put_contents($wfile, $majorStr);
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原文地址:http://www.cnblogs.com/usa007lhy/p/5221761.html