1、在取出数据后,更改字段内容后更新数据
$user = User::get(1);$user->name = 'thinkphp';$user->email = 'thinkphp@qq.com';$user->save();
2、直接带更新条件来更新数据
$user = new User;// save方法第二个参数为更新条件$user->save([ 'name' => 'thinkphp', 'email' => 'thinkphp@qq.com'],['id' => 1]);
3、过滤非数据表字段的数据
$user = new User();// 过滤post数组中的非数据表字段数据$user->allowField(true)->save($_POST,['id' => 1]);
4、通过外部提交赋值给模型,并且希望指定某些字段写入
$user = new User();// post数组中只有name和email字段会写入$user->allowField(['name','email'])->save($_POST, ['id' => 1]);
5、saveAll方法批量更新数据
$user = new User;$list = [ ['id'=>1, 'name'=>'thinkphp', 'email'=>'thinkphp@qq.com'], ['id'=>2, 'name'=>'onethink', 'email'=>'onethink@qq.com']];$user->saveAll($list);
7、通过遍历批量更新数据
$user = new User;$list = [ ['id'=>1, 'name'=>'thinkphp', 'email'=>'thinkphp@qq.com'], ['id'=>2, 'name'=>'onethink', 'email'=>'onethink@qq.com']];foreach($list as $data){ $user->data($data,true)->isUpdate(true)->save();}
8、通过数据库类更新数据(两种形式)
$user = new User;$user->where('id', 1) ->update(['name' => 'thinkphp']);$user = new User;$user->update(['id' => 1, 'name' => 'thinkphp']);
9、静态方法直接更新数据(两种形式)
//第一种形式User::where('id', 1) ->update(['name' => 'thinkphp']);//第二种形式User::update(['id' => 1, 'name' => 'thinkphp']);
10、闭包函数使用更复杂的更新条件
$user = new User;$user->save(['name' => 'thinkphp'],function($query){ // 更新status值为1 并且id大于10的数据 $query->where('status', 1)->where('id', '>', 10);});
11、自动识别主键更新
// 实例化模型$user = new User;// 显式指定更新数据操作$user->isUpdate(true)->save(['id' => 1, 'name' => 'thinkphp']);