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SpringMVC跨服務(wù)器上傳文件中出現(xiàn)405錯誤的解決

更新時間：2021年09月30日 16:21:19 作者：Haochengqi

這篇文章主要介紹了SpringMVC跨服務(wù)器上傳文件中出現(xiàn)405錯誤的解決方案，具有很好的參考價值，希望對大家有所幫助。如有錯誤或未考慮完全的地方，望不吝賜教

SpringMVC跨服務(wù)器上傳文件中出現(xiàn)405錯誤

下面是應(yīng)用服務(wù)器的代碼

package com.itheima.controller; 
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.multipart.MultipartFile; 
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.util.List;
import java.util.UUID;
 
@Controller
@RequestMapping("/user")
public class UserController { 
    @RequestMapping("/fileupload3")
    public String fileupload3(MultipartFile upload) throws Exception{
        System.out.println("跨服務(wù)器文件上傳....");
 
        //定義上傳文件服務(wù)器的路徑
        String path = "http://localhost:9090/uploads/";
        System.out.println(upload.getBytes());
 
        //定義上傳文件項
        //獲取上傳文件的名稱
        String filename = upload.getOriginalFilename();
        //把文件的名稱設(shè)置成唯一值，uuid
        String uuid = UUID.randomUUID().toString().replace("-","");
        filename = uuid + "_" + filename;
 
        //創(chuàng)建客戶端對象
        Client client = Client.create();
 
        //和圖片服務(wù)器進行連接
        WebResource webResource = client.resource(path + filename);  //相當(dāng)于創(chuàng)建一個連接對象
 
        //上傳文件按
        webResource.put(upload.getBytes()); 
        return "success";
    }
 
    /**
     * SpringMVC文件上傳
     * @return
     */
    @RequestMapping("/fileupload2")
    public String fileuoload2(HttpServletRequest request, MultipartFile upload) throws Exception {
        System.out.println("springmvc文件上傳...");
 
        // 使用fileupload組件完成文件上傳
        // 上傳的位置
        String path = request.getSession().getServletContext().getRealPath("/uploads/");
        // 判斷，該路徑是否存在
        File file = new File(path);
        if(!file.exists()){
            // 創(chuàng)建該文件夾
            file.mkdirs();
        }
 
        // 說明上傳文件項
        // 獲取上傳文件的名稱
        String filename = upload.getOriginalFilename();
        // 把文件的名稱設(shè)置唯一值，uuid
        String uuid = UUID.randomUUID().toString().replace("-", "");
        filename = uuid+"_"+filename;
        // 完成文件上傳
        upload.transferTo(new File(path,filename)); 
        return "success";
    }
 
    /**
     * 文件上傳
     * @return
     */
    @RequestMapping("/fileupload1")
    public String fileuoload1(HttpServletRequest request) throws Exception {
        System.out.println("文件上傳...");
 
        // 使用fileupload組件完成文件上傳
        // 上傳的位置
        String path = request.getSession().getServletContext().getRealPath("/uploads/");
        // 判斷，該路徑是否存在
        File file = new File(path);
        if(!file.exists()){
            // 創(chuàng)建該文件夾
            file.mkdirs();
        }
 
        // 解析request對象，獲取上傳文件項
        DiskFileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        // 解析request
        List<FileItem> items = upload.parseRequest(request);
        // 遍歷
        for(FileItem item:items){
            // 進行判斷，當(dāng)前item對象是否是上傳文件項
            if(item.isFormField()){
                // 說明普通表單向
            }else{
                // 說明上傳文件項
                // 獲取上傳文件的名稱
                String filename = item.getName();
                // 把文件的名稱設(shè)置唯一值，uuid
                String uuid = UUID.randomUUID().toString().replace("-", "");
                filename = uuid+"_"+filename;
                // 完成文件上傳
                item.write(new File(path,filename));
                // 刪除臨時文件
                item.delete();
            }
        } 
        return "success";
    } 
}

springmvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd">
 
    <!-- 開啟注解掃描 -->
    <context:component-scan base-package="com.itheima"/>
 
    <!-- 視圖解析器對象 -->
    <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/pages/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
 
    <!--前端控制器，哪些靜態(tài)資源不攔截-->
    <mvc:resources location="/css/" mapping="/css/**"/>
    <mvc:resources location="/images/" mapping="/images/**"/>
    <mvc:resources location="/js/" mapping="/js/**"/>
 
    <!--前端控制器，哪些靜態(tài)資源不攔截-->
    <mvc:resources location="/css/" mapping="/css/**"/>
    <mvc:resources location="/images/" mapping="/images/**"/>
    <mvc:resources location="/js/" mapping="/js/**"/>
 
    <!--配置文件解析器對象-->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="maxUploadSize" value="10485760" />
    </bean>
 
    <!-- 開啟SpringMVC框架注解的支持 -->
    <mvc:annotation-driven />
 
</beans>

success.jsp

<%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2018/5/4
Time: 21:58
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h3>上傳文件成功</h3>
</body>
</html>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at
      http://www.apache.org/licenses/LICENSE-2.0
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->
 
<!--
  - This is the Cocoon web-app configurations file
  -
  - $Id$
  -->
<!--suppress ALL -->
<web-app version="2.4"
         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 http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
 
  <display-name>Archetype Created Web Application</display-name>
 
  <servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springmvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
 
  <servlet>
    <servlet-name>default</servlet-name>
    <servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
    <init-param>
      <param-name>debug</param-name>
      <param-value>0</param-value>
    </init-param>
    <init-param>
      <param-name>listings</param-name>
      <param-value>true</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
 
  <!--配置解決中文亂碼的過濾器-->
  <filter>
    <filter-name>characterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

index.jsp

<%--
Created by IntelliJ IDEA.
User: QHC
Date: 2019/10/9
Time: 13:49
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>文件上傳</title>
</head>
<body>
<%--不知道為啥，在臺式機可以跑成功，在筆記本就報錯，難道是tomcat的版本的原因?--%>
<h3>傳統(tǒng)文件上傳</h3>
<form action="/user/fileupload1" method="post" enctype="multipart/form-data">
選擇文件：<input type="file" name="upload"/><br>
<input type="submit" value="上傳"/>
</form>
<h3>SpringMVC文件上傳</h3>
<form action="/user/fileupload2" method="post" enctype="multipart/form-data">
選擇文件：<input type="file" name="upload"/><br>
<input type="submit" value="上傳"/>
</form>
<h3>跨服務(wù)器上傳文件</h3>
<form action="/user/fileupload3" method="post" enctype="multipart/form-data">
選擇文件：<input type="file" name="upload" /><br/>
<input type="submit" value="上傳" />
</form>
<a href="/user/testGetRealPath" rel="external nofollow" >查看request.getSession().getServletContext().getRealPath("\uploads\")的值</a>
</body>
</html>

如果遇到報錯405，PUT http://localhost:9090/uploads/.........

只需要在文件服務(wù)器中的 web.xml 中加入下面的代碼

<servlet>
        <servlet-name>default</servlet-name>
        <servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
        <init-param>
            <param-name>debug</param-name>
            <param-value>0</param-value>
        </init-param>
        <init-param>
            <param-name>readonly</param-name>
            <param-value>false</param-value>
        </init-param>
        <init-param>
            <param-name>listings</param-name>
            <param-value>false</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

重點來了~

idea中springmvc跨服務(wù)器上傳文件報405錯誤，修改了web.xml一樣報錯

這個問題是因為你使用的文件服務(wù)器的Tomcat使用的是exploded模式部署，修改的Tomcat本地conf下的web.xml對exploded的項目沒有生效，此時應(yīng)該使用war包模式進行部署，本地修改的web.xml文件繼續(xù)保持修改狀態(tài)，并且修改Application context不為/，可以修改為：/+任意文件名

然后再重新部署一下Tomcat服務(wù)器，此時不再報錯。（注意要修改一下代碼中的文件上傳路徑）

以上為個人經(jīng)驗，希望能給大家一個參考，也希望大家多多支持腳本之家。

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