PHP uses open and fwrite to export files (code) in multiple formats

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Rendering

不需要 1需要，默认为1 $is_need_headerList = 1;//检测是否需要 headerListif($is_need_headerList == 1){ //定义列表名称 $headerList = ['列表1','列表2','列表3']; //初始化写入文件的字符串 $headerTxt = ""; //列表名称转码 foreach ($headerList as $v){ $headerTxt .= $v. $dot; } $headerTxt = rtrim($headerTxt,$dot)."\n"; //将列表名称写入文件句柄 fwrite($fp, $headerTxt); }//初始化数组数据$data = [ ['id'=>'值1','name'=>'值2','hobby'=>'值3'], ['id'=>'值11','name'=>'值22','hobby'=>'值33'], ['id'=>'值111','name'=>'值222','hobby'=>'值333'] ]; //循环写入数据//初始化数组的总数 $count = count($data);//循环次数 $limit = 0;foreach ($data as $v){ $limit++; $txt = $v['id'] .$dot . $v['name'] .$dot .$v['hobby']; if($count != $limit)//避免最后一次换行 $txt .= $dot .PHP_EOL; fwrite($fp,$txt); } fclose($fp);

1. The string contains special characters. During encoding conversion, //IGNORE needs to be set, otherwise an error will be reported

$c = "测试•字符传换•五一快乐!";echo iconv('UTF-8','GBK//IGNORE',$c);//测试字符传换五一快乐!echo iconv('UTF-8','GBK',$c);//Detected an illegal character in input string

1. The numeric string will be formatted, and invisible characters need to be added to normalize it, such as: "\t"

2. Transcoding problem, Special circumstances, special handling, depending on the situation

php implementation code for exporting Excel files in csv format

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