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Excel export and download, excel export and download1. Preface Sometimes you need to export database table resources to excel to make some report data. There are several ways to export excel using php: This article describes how to export an excel file using a native method.2. Key functions 2.1 ob output Ob_start (); Ob_get_contents Ob_end_clean Fopen Fwrite Fclose Iconv 2.2. header output 3. Use the ob function for excel Export Ob functions a

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Do not use the database to implement the user's simple download, the code is as follows, but can not download, please master to find the reason, the file road strength or anything. function Down_file ($file _name, $file _sub_dir) { To prevent garbled use of function iconv $file _name=iconv ("Utf-8", "gb2312", $file _name); Absolute Road Strength $file _path=$_server[' Document_root '). $file _sub_dir.

Mainly after the request parameter is appended {responsetype: ' blob '}this. $http. Get (This.api.export, { Params:this.info, Responsetype: ' blob '}). Then (res = { Let blob = new blob ([Res.data], {type: "application/vnd.ms-excel"}); Let Objecturl = Url.createobjecturl (BLOB); Window.location.href = Objecturl;})-----1. Sometimes, the front page needs to show the backend interface returned to us a binary file, compared to the slice, then how should we

function Getcontentlength ($strURL){ $resURL = Curl_init (); curl_setopt ($resURL, Curlopt_url, $strURL); curl_setopt ($resURL, curlopt_progressfunction, ' progresscallback '); curl_setopt ($resURL, curlopt_noprogress, false); curl_setopt ($resURL, Curlopt_returntransfer, true); $res = curl_exec ($resURL); Curl_close ($resURL);}function Progresscallback ($resource, $download _size = 0, $downloaded = 0, $upload _size = 0, $uploaded

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