HTTP 状态 405 - 此 URL java servlet 不支持 HTTP 方法 POST [英] HTTP Status 405 - HTTP method POST is not supported by this URL java servlet
问题描述
我无法使页面正常工作.我有我的表单方法来发布,我的 servlet 实现了 doPost()
.但是,它不断向我表明我不支持 POST 方法.
I am having trouble getting the page to work. I have my form method to post and my servlet implements doPost()
. However, it keeps showing me that I am not supporting the POST method.
我只是想做一个简单的网站并将值插入到我的 MySQL 数据库中.
I am just trying to do a simple website and insert values into my MySQL DB.
*type Status report
message HTTP method POST is not supported by this URL
description The specified HTTP method is not allowed for the requested resource (HTTP method POST is not supported by this URL).*
静态页面:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN"
"http://www.wapforum.org/DTD/xhtml-mobile10.dtd" >
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>XHTML Mobile Profile Document</title>
<!--
Change href="style.css" below to the file name and
relative path or URL of your external style sheet.
-->
<link rel="stylesheet" href="index.css" type="text/css"/>
<!--
<style> document-wide styles would go here </style>
-->
</head>
<body>
<h1> Register Here </h1>
<form action="regSuccess.do" method = "POST">
UserName: <input type="text" name="txtregUsername" size="15" maxlength="15">
<br/>
Password: <input type="password" name="txtregPassword" size="15"
maxlength="15"><br/>
Name: <input type="text" name="txtregName" size="20" maxlength="30"><br/>
Email: <input type="text" name="txtregEmail" size="20" maxlength="30">
<br/><br/>
<input type="submit" name="btnRegister" value="Register Me"/>
</form>
</body>
</html>
servlet:
package core;
import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
public class handlingReg extends HttpServlet {
//database parameters
private static final String db_server = "localhost/";
private static final String db_name ="bus_guide";
private Connection con = null;
//init of connection to dabatase
public void init(ServletConfig config) throws ServletException {
try {
Class.forName("com.mysql.jdbc.Driver").newInstance();
}
catch (Exception e) {
System.out.println("Exception in init(): unable to load JDBC DriverA");
}
try {
con = DriverManager.getConnection("jdbc:mysql://"+ db_server + db_name , "root" , "");
System.out.println("conn: "+con);
}
catch (Exception e) {
System.out.println(e.getMessage());
}
}
//end init()
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//response handling
response.setContentType("text/html");
PrintWriter out = response.getWriter();
//handling request
String enteredUsername = request.getParameter("txtregUsername");
String enteredPw = request.getParameter("txtregPassword");
String enteredName = request.getParameter("txtregName");
String enteredEmail = request.getParameter("txtregEmail");
//inserting values into database
try {
Statement stmnt = con.createStatement();
stmnt.executeUpdate("INSERT INTO regUsers VALUES('"+enteredUsername+"','"+enteredPw+"','"+enteredName+"','"+enteredEmail+"')");
} catch (SQLException ex) {
System.out.println(ex.getMessage());
}
//output html out.println("");
out.println("<?xml version = "1.0" encoding ="utf-8"?>");
out.println("<!DOCTYPE html PUBLIC "-//WAPFORUM/DTD XHTML Mobile 1.0//EN"");
out.println(" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">");
out.println("<html xmlns="http://www.w3.org/1000/xhtml">");
out.println("<head>");
out.println("<title></title>");
out.println("</head>");
out.println("<body>");
out.println("Register Success!");
out.println("<a href = "index.xhtml"> Click here to go back to main page.
</a>");
out.println("</body>");
out.println("</html>");
}
}
web.xml:
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">
<!--Self declared servlet mapping starts here-->
<servlet>
<servlet-name>handleRegister</servlet-name>
<servlet-class>core.handlingReg</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>handleRegister</servlet-name>
<url-pattern>/regSuccess.do</url-pattern>
</servlet-mapping>
<!--Self declared servlet mapping ends here-->
<servlet-mapping>
<servlet-name>invoker</servlet-name>
<url-pattern>/servlet/*</url-pattern>
</servlet-mapping>
<mime-mapping>
<extension>xhtml</extension>
<mime-type>text/html</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jad</extension>
<mime-type>text/vnd.sun.j2me.app-descriptor</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jar</extension>
<mime-type>application/java-archive</mime-type>
</mime-mapping>
</web-app>
edit:removed doGet(request,response);
edit:removed doGet(request,response);
推荐答案
这是因为您调用了 doGet()
而没有实际实现 doGet()
.doGet() 的默认实现会抛出错误,指出该方法不受支持.
It's because you're calling doGet()
without actually implementing doGet()
. It's the default implementation of doGet() that throws the error saying the method is not supported.
这篇关于HTTP 状态 405 - 此 URL java servlet 不支持 HTTP 方法 POST的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!