https://域名/index.php/users/add_user/KING/18/北京 解释:调用users控制器的add_user方法,而add_user方法向User_model模型的add_user方法传递了一个数组$user_data,数组有3个参数,分别是$name、$age、$city,在URL中,KING/18/北京就是这三个参数的传递,这三个参数由users控制器接收,然后调用模型进行创建用户。
$this->db->where(字段名,字段值)//定位$this->db->update(表名,修改值得数组); 删除数据 $this->db->where(字段名,字段值);$query=$this->db->delete(表名); 查询数据 $this->db->where(字段名,字段值);$this->db->select(字段);$query=$this->db->get(表名);return$query->result(); ...
使用Query Builder类:CodeIgniter的Query Builder类提供了更灵活和可读性更强的方式来构建数据库查询和更新操作。可以使用set()方法来设置要更新的字段和值,然后使用update()方法执行更新操作。例如: 代码语言:txt 复制 $this->db->set('title', 'New Title'); $this->db->set('content', 'New Content'); ...
才执行一系列函数EN//save or update based the availability of the user in the database. For a ...
"; $this->db->query($sql,$string); ci 赞收藏5 分享 阅读8.6k更新于2016-03-09 em0t 758声望23粉丝 Talk is cheap, show me the code « 上一篇 CodeIgniter 3.0 新手折腾笔记(一)--初步配置 下一篇 » CodeIgniter 3.0 新手折腾笔记(二) 输入类&url辅助函数 ...
(3)更新数据:$this->db->where(字段名,字段值);$this->db->update(表名,修改值的数组); (4)查询数据:$this->db->where(字段名,字段值);$this->db->select(字段);$query=$this->db->get(表名);return$query->result(); (5)删除数据:$this->db->where(字段名,字段值);$this->db->delete...
$query = $this->db->get('users'); 3. 若要插入一条新记录,可以使用以下代码: $data = array( 'username' => 'johndoe', 'email' => 'john@example.com' ); $this->db->insert('users', $data); 4. 若要更新一条记录,可以使用以下代码: ...
Generates an update string and runs the query based on the data you supply. You can pass an array or an object to the function. Here is an example using an array:$data = array( 'title' => $title, 'name' => $name, 'date' => $date ); $this->db->where('id', $id); $...
It simply lets you submit a query. Most users will rarely use this function.It returns whatever the database drivers’ “execute” function returns. That typically is TRUE/FALSE on success or failure for write type queries such as INSERT, DELETE or UPDATE statements (which is what it really...
// Execute the query $this->db->update('users'); // Return the number of rows updated, or false if the row could not be inserted return $this->db->affected_rows(); } /** * GetUsers method returns an array of qualified user record objects ...