public function save(){
if(IS_POST){
$post = I('post.');
if(!isset($post['pkid']) || empty($post['pkid'])){
$result = $this->CourseModel->addInfo($post);
}else{
$result = $this->CourseModel->updateInfo($post);
}
if ($result!==false) {
$this->redirect("Course/index",'',1, '儲存成功');
} else {
$this->redirect("Course/index",'',1, '儲存失敗');
}
}
}
public function updateInfo($data=array()){
if(empty($data)){
return false;
}
$data['modify_time'] = dateTime();
return $this->data($data)->save();
}
ERR: SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`elearning`.`course`, CONSTRAINT `course_ibfk_1` FOREIGN KEY (`category_id`) REFERENCES `category` (`pkid`) ON DELETE CASCADE ON UPDATE CASCADE)
回複討論(解決方案)
被修改的表存在外鍵約束，你修改了不存在的外鍵約束的記錄
被修改的表存在外鍵約束，你修改了不存在的外鍵約束的記錄
怎麼解決那？
你要麼取消外鍵，要麼在修改前先確認鍵存在
