12种实现301网页重定向方法的代码实例（含Web编程语言和Web服务器）

<IfModule mod_rewrite.c>
    RewriteEngine on
    RewriteRule ^example\.html$ http://www.example.com/newpage.html [R=301,L]
</IfModule>

location /example.html {
    rewrite ^/(.*)$ http://www.example.com/newpage.html permanent;
}

<?php
header("HTTP/1.1 301 Moved Permanently");
header("Location: http://www.example.com/newpage.html");
?>

Response.RedirectPermanent("http://www.example.com/newpage.html");

<script type="text/javascript">
    window.location.replace("http://www.example.com/newpage.html");
</script>

<meta http-equiv="refresh" content="0; url=http://www.example.com/newpage.html">

Redirect 301 /example.html http://www.example.com/newpage.html

<rewrite>
  <rules>
    <rule name="example_redirect" patternSyntax="ExactMatch" stopProcessing="true">
      <match url="example.html" />
      <action type="Redirect" url="http://www.example.com/newpage.html" redirectType="Permanent" />
    </rule>
  </rules>
</rewrite>

HttpServletResponse response = (HttpServletResponse) res;
response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
response.setHeader("Location", "http://www.example.com/newpage.html");

from flask import Flask, redirect, url_for

app = Flask(__name__)

@app.route('/example.html')
def example():
    return redirect(url_for('newpage'), code=301)

@app.route('/newpage.html')
def newpage():
    return 'This is the new page!'

if __name__ == '__main__':
    app.run(debug=True)

class ExampleController < ActionController::Base
  def example
    redirect_to "http://www.example.com/newpage.html", :status => :moved_permanently
  end
end

from django.shortcuts import redirect

def example(request):
    return redirect('/newpage.html', permanent=True)