微信小程序wx.uploadfile 本地文件转base64的实现代码

case 'imgBufferToBase64': <span style="white-space: pre;"> </span>$data=''; <span style="white-space: pre;"> </span>file_put_contents("1.txt",var_export($_FILES,true)."/r/n",FILE_APPEND); <span style="white-space: pre;"> </span>if(!empty($_FILES['upload']['tmp_name'])){ <span style="white-space: pre;">  </span>if(empty($_FILES['upload']['type'])){ <span style="white-space: pre;">   </span>IO::Debug('文件类型不合法'); <span style="white-space: pre;">  </span>} <span style="white-space: pre;">  </span>if(!in_array($_FILES['upload']['type'],array( <span style="white-space: pre;">   </span>'image/gif', <span style="white-space: pre;">   </span>'image/pjpeg', <span style="white-space: pre;">   </span>'image/jpeg', <span style="white-space: pre;">   </span>'image/x-png', <span style="white-space: pre;">   </span>'image/png', <span style="white-space: pre;">   </span>'image/bmp' <span style="white-space: pre;">  </span>))){ <span style="white-space: pre;">   </span>IO::Debug($_FILES['upload']['type'].'文件类型不合法'); <span style="white-space: pre;">  </span>} <span style="white-space: pre;">  </span>$data=file_get_contents($_FILES['upload']['tmp_name']); <span style="white-space: pre;">  </span>file_put_contents("1.txt",var_export($data,true)."/r/n",FILE_APPEND); <span style="white-space: pre;">  </span>IO::Debug('解析成功',true,$data); <span style="white-space: pre;"> </span>} <span style="white-space: pre;"> </span>IO::Debug("解析失败"); break; 

wx.uploadFile({  url: 'https://' + app.globalData.host + '/api/?sign=' + sign,  filePath: tempFilePaths[0],  name: 'upload',  header: {  "content-type": "multipart/form-data",  "content-type": "application/x-www-form-urlencoded"  },  formData: formData,  success: function (res) { <span style="white-space: pre;"> </span>var $data = JSON.parse(res.data);   if (typeof ($data.data) != "undefined" && $data.code){   var imgBase64 = "data:image/jpeg;base64," + $data.data;   }  } })