class indexController extends Controller
{
public function index(Request $request)
{
$request->all();//全部
$method = $request->method();//取 请求类型
$request->isMethod(‘post‘);// 判断是否Post
$request->input(‘name‘); //取 POST name 的值
$request->input(‘name‘, ‘Sally‘);//为空时给个默认值
$request->has(‘name‘); //判断请求是否存在该数据
$request->input(‘name‘, ‘Sally‘);//为空时给个默认值
$request->has(‘name‘); //判断请求是否存在该数据
}
}
$request->flash();//全部保存
$request->flashOnly([‘username‘, ‘email‘]);//个别保存
$request->flashExcept(‘password‘);//除了它，其它都保存
$username = $request->old(‘username‘);//取值
//<input type="text" name="username" value="{{ old(‘username‘) }}">
3.Request Cookies
$value = $request->cookie(‘name‘); //取值
4.文件
$file = $request->file(‘photo‘);
$request->hasFile(‘photo‘);
$request->file(‘photo‘)->isValid();
$path = $request->photo->path();
$extension = $request->photo->extension();
