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                ## base64_img上傳 ```php public function multi_imgupload() { /** * base64圖片上傳 * @param $base64_img * @return array */ $base64_img = trim($_POST['jsdata']); $up_dir = './upload/';//存放在當前目錄的upload文件夾下 if(!file_exists($up_dir)){ mkdir($up_dir,0777); } if(preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_img, $result)){ $type = $result[2]; if(in_array($type,array('pjpeg','jpeg','jpg','gif','bmp','png'))){ $new_file = $up_dir.date('YmdHis_').'.'.$type; if(file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_img)))){ $img_path = str_replace('../../..', '', $new_file); $img_path; $this->success(__('Upload successful'), [ 'url' =>$img_path ]); }else{ $this->error(__('圖片上傳失敗')); } }else{ //文件類型錯誤 $this->error(__('圖片上傳類型錯誤')); } }else{ //文件錯誤 $this->error(__('文件錯誤')); } } ``` ## h5測試 ```html <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>簡單的html5 File測試 for pic2base64</title> <style> </style> <script> window.onload = function(){ var input = document.getElementById("demo_input"); var result= document.getElementById("result"); var img_area = document.getElementById("img_area"); if ( typeof(FileReader) === 'undefined' ){ result.innerHTML = "抱歉,你的瀏覽器不支持 FileReader,請使用現代瀏覽器操作!"; input.setAttribute('disabled','disabled'); }else{ input.addEventListener('change',readFile,false); } } function readFile(){ var file = this.files[0]; //這里我們判斷下類型如果不是圖片就返回 去掉就可以上傳任意文件 if(!/image\/\w+/.test(file.type)){ alert("請確保文件為圖像類型"); return false; } var reader = new FileReader(); reader.readAsDataURL(file); console.log(); reader.onload = function(e){ result.innerHTML = this.result; img_area.innerHTML = '<div class="sitetip">圖片img標簽展示:</div><img src="'+this.result+'" alt=""/>'; } } </script> </head> <body> <form action="file.php" method="post"> <input type="file" value="sdgsdg" id="demo_input" /> <textarea name="img" id="result" rows=30 cols=300></textarea> <p id="img_area"></p> <input type="submit" value="提交"> </form> </body> </html> ```
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