HttpRequest
是用户请求对象
QueryString
Form
Cookie
Session
Header
实例:
public IActionResult Index() { QueryString x = Request.QueryString; // ?a=1 string x = Request.Query["a"]; //1 return View(); }
HttpContext
是用户请求上下文
提供Session属性获取Session对象
Session.Set设置
Session.Remove移除
Session.TryGetValue获取数据
默认绑定方式,使用特性:
[FromBody] 请求体
[FromHeader] headers
[FromQuery] 查询字符串
[FromRoute] 路由数据
[FromForm] 表单数据
[FromServices] 服务注册
前台:
<div style="height:100px"> <input type="button" value="提交带header参数" onclick="save()" /></div><script> function save() { $.ajax({ url: "home/index", beforeSend: function (xhr) { xhr.setRequestHeader("username", "tangsansan"); }, type:"post", success: function(data) { } }); }</script>
后台:
public IActionResult Index([FromHeader] string username) { QueryString x = Request.QueryString; return View(); }