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邯鄲易住宋至剛
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  • Courses in the relevant section：Download and start the PHP toolbox

    define('USER_ID', Session::has('user_id') ? Session::get('user_id'):null); 這段代碼什么意思，尤其問(wèn)號(hào)后邊是什么？

    致命錯(cuò)誤: Call to a member function getData() on null $result->getData()這個(gè)問(wèn)題該怎么解決，請(qǐng)老師費(fèi)心指教！ //渲染編輯管理員界面 54. public function edit(Request $request) 55. { 56. $user_id = $request -> param('id'); 57. $result = UserModel::get($user_id); 58. $this->view->assign('title','編輯管理員信息'); 59. $this->view->assign('keywords','php.cn'); 60. $this->view->assign('desc','PHP中文網(wǎng)ThinkPHP5開(kāi)發(fā)實(shí)戰(zhàn)課程'); 61. $this->view->assign('user_info',$result->getData()); 62. return $this->view->fetch('admin_edit'); $result->getData()這個(gè)問(wèn)題該怎么解決，請(qǐng)老師費(fèi)心指教！

    2019-09-260個(gè)贊

  • Courses in the relevant section：The correct way to configure updates

    public function update(Request $request) { $data = $request -> param(); $map = ['is_update' => $data['is_update']]; $result = SystemModel::update($data,$map); if ($result !== null){ $status = 1; $message = 'success'; }else{ $status = 0; $message = 'failure'; } return ['status' => $status, 'message' => $message]; } 這段代碼報(bào)錯(cuò)：未定義數(shù)組索引: is_update $system = SystemModel::get(1); $this->view->assign('system',$system); $this->view->assign('title','系統(tǒng)設(shè)置'); return $this->view->fetch('system_list'); } public function update(Request $request) { $data = $request -> param(); $map = ['is_update' => $data['is_update']]; $result = SystemModel::update($data,$map); if ($result !== null){ $status = 1; $message = 'success'; }else{ $status = 0; $message = 'failure'; } return json(['status' => $status, 'message' => $message]);

    2019-09-240個(gè)贊