问题描述
Startup.cs
public void Configure(IApplicationBuilder app,IWebHostEnvironment env) {
if (env.IsDevelopment()) {
app.UseDeveloperExceptionPage();
} else {
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();
app.UseRouting();
app.UseAuthentication();
app.UseAuthorization();
app.UseCookiePolicy(new CookiePolicyOptions {
MinimumSameSitePolicy = SameSiteMode.Strict,});
app.UseEndpoints(endpoints => {
endpoints.MapControllerRoute(
name: "default",pattern: "{controller=Home}/{action=Index}/{id?}");
});
}
CustomerController.cs
网址:/customer/details/7
[Authorize(Roles = "Admin")]
public async Task<IActionResult> Details(int id) {
var model = GetUser();
return View(model);
}
网址:/customer/details
[Route("[controller]/[action]")]
public async Task<IActionResult> Details() {
int userId = Convert.ToInt32(HttpContext.User.Identity.Name);
return await Details(userId);
}
Anchor Tag Helpers 生成的 html "id" 是查询字符串的一部分,而不是路由数据的一部分。
<a asp-action="Details" asp-controller="Customer" asp-route-id="@HttpContextAccessor.HttpContext.User.Identity.Name">User Details</a>
它生成这个 HTML:
<a href="/Customer/Details?id=1">User Details</a>
如何仍然生成 HTML :
<a href="/Customer/Details/1">User Details</a>
谢谢
解决方法
第 1 点:您的默认路由模板是
app.UseEndpoints(endpoints => {
endpoints.MapControllerRoute(
name: "default",pattern: "{controller=Home}/{action=Index}/{id?}");
});
第 2 点:如果您将路由直接放置到控制器操作中,这将覆盖默认路由,因为您的两个操作具有相同的名称,您还需要向另一个操作添加路由。检查下面的代码,这是。
解决方案 1
[Authorize(Roles = "Admin")]
[Route("[controller]/[action]/{id}")]
public async Task<IActionResult> Details(int id) {
var model = GetUser();
return View(model);
}
[Route("[controller]/[action]")]
public async Task<IActionResult> Details() {
int userId = Convert.ToInt32(HttpContext.User.Identity.Name);
return await Details(userId);
}
第 3 点:如果您可以更改另一个控制器的操作名称,那么您可以采用这种方法。直接重命名没有路由的动作即可。
解决方案 2
[Authorize(Roles = "Admin")]
public async Task<IActionResult> Details2(int id) {
var model = GetUser();
return View(model);
}
[Route("[controller]/[action]")]
public async Task<IActionResult> Details() {
int userId = Convert.ToInt32(HttpContext.User.Identity.Name);
return await Details(userId);
}