我想通过使用UseRewriter Middleware重写一个简单的url。
var rewrite = new RewriteOptions()
.AddRedirect("Page1From", "Page1To") // Redirect
.AddRewrite("Page2From", "Page2To", true); // Rewrite
app.UseRewriter(rewrite);
这将导致url“/ Page1From”被重定向到“Page1To”,url“Page2From”将显示“/ Page2To”的内容而不重定向。
我想通过使用数据库中的数据实现AddRewrite方法,但我只找到了如何使用自定义规则重定向。
var rewrite = new RewriteOptions()
.AddRedirect("Page1From", "Page1To") // Redirect
.AddRewrite("Page2From", "Page2To", true); // Rewrite
.Add(new MoviesRedirectRule( // Custom Rule
matchPaths: new[] { "/Page3From1", "/Page3From2", "/Page3From3" },
newPath: "/Page3To"));
app.UseRewriter(rewrite);
规则如下:
public class MoviesRedirectRule : IRule
{
private readonly string[] matchPaths;
private readonly PathString newPath;
public MoviesRedirectRule(string[] matchPaths, string newPath)
{
this.matchPaths = matchPaths;
this.newPath = new PathString(newPath);
}
public void ApplyRule(RewriteContext context)
{
var request = context.HttpContext.Request;
// if already redirected, skip
if (request.Path.StartsWithSegments(new PathString(this.newPath)))
{
return;
}
if (this.matchPaths.Contains(request.Path.Value))
{
var newLocation = $"{this.newPath}{request.QueryString}";
var response = context.HttpContext.Response;
response.StatusCode = StatusCodes.Status302Found;
context.Result = RuleResult.EndResponse;
response.Headers[HeaderNames.Location] = newLocation;
}
}
}
这将重定向以下网址:
到/ Page3To
我想创建类似的东西,不会重定向,但我想重写url,以便url保持不变,但它将显示指定URL的内容。
有人可以告诉我,我必须对响应对象做些什么更改才能使它工作?
调用RewriteRule
时添加的AddRewrite()
只是替换请求中的URI部分(link to source code):
request.Scheme = scheme;
request.Host = host;
request.Path = pathString;
request.QueryString = query.Add(request.QueryString);
在你的情况下,因为你只更换Path
部分,ApplyRule
方法将简单如下:
public void ApplyRule(RewriteContext context)
{
var request = context.HttpContext.Request;
if (matchPaths.Contains(request.Path.Value))
{
request.Path = newPath;
context.Result = RuleResult.SkipRemainingRules;
}
}