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                # **添加一條數據** ## **save()** >[danger]成功返回true ~~~ $user = new User; $user->name = 'thinkphp'; $user->email = 'thinkphp@qq.com'; $user->save(); // 獲取自增ID echo $user->id; ~~~ 或者: ~~~ $user->save([ 'name' => 'thinkphp', 'email' => 'thinkphp@qq.com' ]); // 獲取自增ID echo $user->id; ~~~ 或者: ~~~ $user->allowField(['name','email'])->save($_POST); // 獲取自增ID echo $user->id; ~~~ 或者(推薦): ~~~ // 過濾post數組中的非數據表字段數據 $data = \think\facade\Request::only(['name','email']); $user->save($data); // 獲取自增ID echo $user->id; ~~~ `save`方法可以支持`replace`寫入。 ~~~ $user = new User; $user->name = 'thinkphp'; $user->email = 'thinkphp@qq.com'; $user->replace()->save(); ~~~ ## **::create()** >[danger]返回的是當前模型的對象實例 >默認會過濾掉不是數據表的字段信息 >第二個參數也可指定數據表中允許寫入的字段(想要那個字段就填到此處) ~~~ $user = User::create([ 'name' => 'thinkphp', 'email' => 'thinkphp@qq.com' ]); echo $user->name; echo $user->email; echo $user->id; // 獲取自增ID ~~~ `create`方法默認會過濾不是數據表的字段信息,可以在第二個參數可以傳入允許寫入的字段列表,例如: ~~~ // 只允許寫入name和email字段的數據 $user = User::create([ 'name' => 'thinkphp', 'email' => 'thinkphp@qq.com' ], ['name', 'email']); echo $user->name; echo $user->email; echo $user->id; // 獲取自增ID ~~~ 支持`replace`操作,使用下面的方法: ~~~ $user = User::create([ 'name' => 'thinkphp', 'email' => 'thinkphp@qq.com' ], ['name','email'], true); ~~~ # **批量增加數據** ## **saveAll** >[info]saveAll方法新增數據返回的是包含新增模型(帶自增ID)的數據集Collection對象。 如果有某條新增失敗會報錯并回滾 ~~~ $user = new User; $list = [ ['name'=>'thinkphp','email'=>'thinkphp@qq.com'], ['name'=>'onethink','email'=>'onethink@qq.com'] ]; $user->saveAll($list); ~~~
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