详解Nginx搭建图片服务器过程

package com.itdragon.test;import java.io.File;import java.io.FileInputStream;import org.apache.commons.net.ftp.FTP;import org.apache.commons.net.ftp.FTPClient;import org.junit.Test;public class PictureFTPTest {  // 测试 ftp 上传图片功能  @Test  public void testFtpClient() throws Exception {    // 1. 创建一个FtpClient对象    FTPClient ftpClient = new FTPClient();    // 2. 创建 ftp 连接    ftpClient.connect("192.168.0.11", 21);    // 3. 登录 ftp 服务器    ftpClient.login("ftpuser", "root");    // 4. 读取本地文件    FileInputStream inputStream = new FileInputStream(new File("F://hello.png"));    // 5. 设置上传的路径    ftpClient.changeWorkingDirectory("/usr/local/nginx/html/images");    // 6. 修改上传文件的格式为二进制    ftpClient.setFileType(FTP.BINARY_FILE_TYPE);    // 7. 服务器存储文件，第一个参数是存储在服务器的文件名，第二个参数是文件流    ftpClient.storeFile("hello.jpg", inputStream);    // 8. 关闭连接    ftpClient.logout();      }  }

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">  <modelVersion>4.0.0</modelVersion>  <groupId>com.itdragon.upload</groupId>  <artifactId>pictrue-service</artifactId>  <version>0.0.1-SNAPSHOT</version>  <packaging>war</packaging>  <!-- 集中定义依赖版本号 -->  <properties>    <junit.version>4.12</junit.version>    <spring.version>4.1.3.RELEASE</spring.version>    <mybatis.version>3.2.8</mybatis.version>    <mybatis.spring.version>1.2.2</mybatis.spring.version>    <mybatis.paginator.version>1.2.15</mybatis.paginator.version>    <mysql.version>5.1.6</mysql.version>    <slf4j.version>1.6.4</slf4j.version>    <jackson.version>2.4.2</jackson.version>    <druid.version>1.0.9</druid.version>    <httpclient.version>4.3.5</httpclient.version>    <jstl.version>1.2</jstl.version>    <servlet-api.version>2.5</servlet-api.version>    <jsp-api.version>2.0</jsp-api.version>    <joda-time.version>2.5</joda-time.version>    <commons-lang3.version>3.3.2</commons-lang3.version>    <commons-io.version>1.3.2</commons-io.version>    <commons-net.version>3.3</commons-net.version>    <pagehelper.version>3.4.2</pagehelper.version>    <jsqlparser.version>0.9.1</jsqlparser.version>    <commons-fileupload.version>1.3.1</commons-fileupload.version>    <jedis.version>2.7.2</jedis.version>    <solrj.version>4.10.3</solrj.version>  </properties>  <dependencies>    <!-- 时间操作组件 -->    <dependency>      <groupId>joda-time</groupId>      <artifactId>joda-time</artifactId>      <version>${joda-time.version}</version>    </dependency>    <!-- Apache工具组件 -->    <dependency>      <groupId>org.apache.commons</groupId>      <artifactId>commons-lang3</artifactId>      <version>${commons-lang3.version}</version>    </dependency>    <dependency>      <groupId>org.apache.commons</groupId>      <artifactId>commons-io</artifactId>      <version>${commons-io.version}</version>    </dependency>    <dependency>      <groupId>commons-net</groupId>      <artifactId>commons-net</artifactId>      <version>${commons-net.version}</version>    </dependency>    <!-- Jackson Json处理工具包 -->    <dependency>      <groupId>com.fasterxml.jackson.core</groupId>      <artifactId>jackson-databind</artifactId>      <version>${jackson.version}</version>    </dependency>    <!-- httpclient -->    <dependency>      <groupId>org.apache.httpcomponents</groupId>      <artifactId>httpclient</artifactId>      <version>${httpclient.version}</version>    </dependency>    <!-- 单元测试 -->    <dependency>      <groupId>junit</groupId>      <artifactId>junit</artifactId>      <version>${junit.version}</version>      <scope>test</scope>    </dependency>    <!-- 日志处理 -->    <dependency>      <groupId>org.slf4j</groupId>      <artifactId>slf4j-log4j12</artifactId>      <version>${slf4j.version}</version>    </dependency>    <!-- Mybatis -->    <dependency>      <groupId>org.mybatis</groupId>      <artifactId>mybatis</artifactId>      <version>${mybatis.version}</version>    </dependency>    <dependency>      <groupId>org.mybatis</groupId>      <artifactId>mybatis-spring</artifactId>      <version>${mybatis.spring.version}</version>    </dependency>    <dependency>      <groupId>com.github.miemiedev</groupId>      <artifactId>mybatis-paginator</artifactId>      <version>${mybatis.paginator.version}</version>    </dependency>    <dependency>      <groupId>com.github.pagehelper</groupId>      <artifactId>pagehelper</artifactId>      <version>${pagehelper.version}</version>    </dependency>    <!-- MySql -->    <dependency>      <groupId>mysql</groupId>      <artifactId>mysql-connector-java</artifactId>      <version>${mysql.version}</version>    </dependency>    <!-- 连接池 -->    <dependency>      <groupId>com.alibaba</groupId>      <artifactId>druid</artifactId>      <version>${druid.version}</version>    </dependency>    <!-- Spring -->    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-context</artifactId>      <version>${spring.version}</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-beans</artifactId>      <version>${spring.version}</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-webmvc</artifactId>      <version>${spring.version}</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-jdbc</artifactId>      <version>${spring.version}</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-aspects</artifactId>      <version>${spring.version}</version>    </dependency>    <!-- JSP相关 -->    <dependency>      <groupId>jstl</groupId>      <artifactId>jstl</artifactId>      <version>${jstl.version}</version>    </dependency>    <dependency>      <groupId>javax.servlet</groupId>      <artifactId>servlet-api</artifactId>      <version>${servlet-api.version}</version>      <scope>provided</scope>    </dependency>    <dependency>      <groupId>javax.servlet</groupId>      <artifactId>jsp-api</artifactId>      <version>${jsp-api.version}</version>      <scope>provided</scope>    </dependency>    <!-- 文件上传组件 -->    <dependency>      <groupId>commons-fileupload</groupId>      <artifactId>commons-fileupload</artifactId>      <version>${commons-fileupload.version}</version>    </dependency>    <!-- Redis客户端 -->    <dependency>      <groupId>redis.clients</groupId>      <artifactId>jedis</artifactId>      <version>${jedis.version}</version>    </dependency>    <!-- solr客户端 -->    <dependency>      <groupId>org.apache.solr</groupId>      <artifactId>solr-solrj</artifactId>      <version>${solrj.version}</version>    </dependency>  </dependencies>  <build>    <finalName>${project.artifactId}</finalName>    <plugins>      <!-- 资源文件拷贝插件 -->      <plugin>        <groupId>org.apache.maven.plugins</groupId>        <artifactId>maven-resources-plugin</artifactId>        <version>2.7</version>        <configuration>          <encoding>UTF-8</encoding>        </configuration>      </plugin>      <!-- java编译插件 -->      <plugin>        <groupId>org.apache.maven.plugins</groupId>        <artifactId>maven-compiler-plugin</artifactId>        <version>3.2</version>        <configuration>          <source>1.7</source>          <target>1.7</target>          <encoding>UTF-8</encoding>        </configuration>      </plugin>    </plugins>    <pluginManagement>      <plugins>        <!-- 配置Tomcat插件 -->        <plugin>          <groupId>org.apache.tomcat.maven</groupId>          <artifactId>tomcat7-maven-plugin</artifactId>          <version>2.2</version>        </plugin>      </plugins>    </pluginManagement>  </build></project>

<dependency>      <groupId>commons-fileupload</groupId>      <artifactId>commons-fileupload</artifactId>    </dependency>

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  id="taotao" version="2.5">  <display-name>pictrue-service</display-name>  <!-- 加载spring容器 -->  <context-param>    <param-name>contextConfigLocation</param-name>    <param-value>classpath:spring/applicationContext-*.xml</param-value>  </context-param>  <listener>    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  </listener>  <!-- 解决post乱码 -->  <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>  <!-- springmvc的前端控制器 -->  <servlet>    <servlet-name>pictrue-service</servlet-name>    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>    <init-param>      <param-name>contextConfigLocation</param-name>      <param-value>classpath:spring/springmvc.xml</param-value>    </init-param>    <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>    <servlet-name>pictrue-service</servlet-name>    <url-pattern>/</url-pattern>  </servlet-mapping></web-app>

<!-- 定义文件上传解析器 -->  <bean id="multipartResolver"    class="org.springframework.web.multipart.commons.CommonsMultipartResolver">    <!-- 设定默认编码 -->    <property name="defaultEncoding" value="UTF-8"></property>    <!-- 设定文件上传的最大值5MB，5*1024*1024 -->    <property name="maxUploadSize" value="5242880"></property>  </bean>

FTP_ADDRESS=192.168.0.11FTP_PORT=21FTP_USERNAME=ftpuserFTP_PASSWORD=rootFTP_BASE_PATH=/usr/local/nginx/html/imagesIMAGE_BASE_URL=http://192.168.0.11/images

package com.itdragon.service;import java.util.Map;import org.springframework.web.multipart.MultipartFile;public interface PictureService {  /**   * 上传，批量上传接口   * @param uploadFile   * @return   */  Map uploadPicture(MultipartFile uploadFile);}

package com.itdragon.service.impl;import java.io.IOException;import java.io.InputStream;import java.util.HashMap;import java.util.Map;import org.apache.commons.net.ftp.FTP;import org.apache.commons.net.ftp.FTPClient;import org.apache.commons.net.ftp.FTPReply;import org.springframework.beans.factory.annotation.Value;import org.springframework.stereotype.Service;import org.springframework.web.multipart.MultipartFile;import com.itdragon.service.PictureService;@Service@SuppressWarnings({"rawtypes", "unchecked"})public class PictureServiceImpl implements PictureService {    // 通过 Spring4 的 Value注解，获取配置文件中的属性值  @Value("${FTP_ADDRESS}")  private String FTP_ADDRESS;   // ftp 服务器ip地址  @Value("${FTP_PORT}")  private Integer FTP_PORT;    // ftp 服务器port，默认是21  @Value("${FTP_USERNAME}")  private String FTP_USERNAME;  // ftp 服务器用户名  @Value("${FTP_PASSWORD}")  private String FTP_PASSWORD;  // ftp 服务器密码  @Value("${FTP_BASE_PATH}")  private String FTP_BASE_PATH;  // ftp 服务器存储图片的绝对路径  @Value("${IMAGE_BASE_URL}")  private String IMAGE_BASE_URL; // ftp 服务器外网访问图片路径  @Override  public Map uploadPicture(MultipartFile uploadFile) {    Map resultMap = new HashMap<>();    try {      // 1. 取原始文件名      String oldName = uploadFile.getOriginalFilename();            // 2. ftp 服务器的文件名      String newName = oldName;      //图片上传      boolean result = uploadFile(FTP_ADDRESS, FTP_PORT, FTP_USERNAME, FTP_PASSWORD,           uploadFile.getInputStream(), FTP_BASE_PATH, newName);      //返回结果      if(!result) {        resultMap.put("error", 1);        resultMap.put("message", "upload Fail");        return resultMap;      }      resultMap.put("error", 0);      resultMap.put("url", IMAGE_BASE_URL + "/" + newName);      return resultMap;          } catch (Exception e) {      e.printStackTrace();      resultMap.put("error", 1);      resultMap.put("message", "upload Fail");      return resultMap;    }  }    /**   * ftp 上传图片方法   * @param ip      ftp 服务器ip地址   * @param port     ftp 服务器port，默认是21   * @param account    ftp 服务器用户名   * @param passwd    ftp 服务器密码   * @param inputStream  文件流   * @param workingDir  ftp 服务器存储图片的绝对路径   * @param fileName   上传到ftp 服务器文件名   * @throws Exception   *    */  public boolean uploadFile(String ip, Integer port, String account, String passwd,      InputStream inputStream, String workingDir, String fileName) throws Exception{    boolean result = false;    // 1. 创建一个FtpClient对象    FTPClient ftpClient = new FTPClient();    try {      // 2. 创建 ftp 连接      ftpClient.connect(ip, port);      // 3. 登录 ftp 服务器      ftpClient.login(account, passwd);      int reply = ftpClient.getReplyCode(); // 获取连接ftp 状态返回值      System.out.println("code : " + reply);      if (!FTPReply.isPositiveCompletion(reply)) {        ftpClient.disconnect(); // 如果返回状态不再 200 ~ 300 则认为连接失败        return result;      }      // 4. 读取本地文件//     FileInputStream inputStream = new FileInputStream(new File("F://hello.png"));      // 5. 设置上传的路径      ftpClient.changeWorkingDirectory(workingDir);      // 6. 修改上传文件的格式为二进制      ftpClient.setFileType(FTP.BINARY_FILE_TYPE);      // 7. 服务器存储文件，第一个参数是存储在服务器的文件名，第二个参数是文件流      if (!ftpClient.storeFile(fileName, inputStream)) {        return result;      }      // 8. 关闭连接      inputStream.close();      ftpClient.logout();      result = true;    } catch (Exception e) {      e.printStackTrace();    }finally {      // FIXME 听说，项目里面最好少用try catch 捕获异常，这样会导致Spring的事务回滚出问题？？？难道之前写的代码都是假代码！！！      if (ftpClient.isConnected()) {        try {          ftpClient.disconnect();        } catch (IOException ioe) {        }      }    }    return result;  }}

package com.itdragon.controller;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestMapping;@Controllerpublic class PageController {  /**   * 打开首页   */  @RequestMapping("/")  public String showIndex() {    return "index";  }    @RequestMapping("/{page}")  public String showpage(@PathVariable String page) {    System.out.println("page : " + page);    return page;  }}

package com.itdragon.controller;import java.util.Map;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.RestController;import org.springframework.web.multipart.MultipartFile;import com.fasterxml.jackson.core.JsonProcessingException;import com.fasterxml.jackson.databind.ObjectMapper;import com.itdragon.service.PictureService;@RestControllerpublic class PictureController {  @Autowired  private PictureService pictureService;    @RequestMapping("pic/upload")  public String pictureUpload(@RequestParam(value = "fileUpload") MultipartFile uploadFile) {    String json = "";    try {      Map result = pictureService.uploadPicture(uploadFile);      // 浏览器擅长处理json格式的字符串，为了减少因为浏览器内核不同导致的bug，建议用json      json = new ObjectMapper().writeValueAsString(result);    } catch (JsonProcessingException e) {      e.printStackTrace();    }    return json;  }}

<%@ page language="java" contentType="text/html; UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>ITDragon 图片上传</title></head>  <link href="/js/kindeditor-4.1.10/themes/default/default.css" rel="external nofollow" type="text/css" rel="stylesheet">  <script type="text/javascript" src="js/jquery.min.js"></script>   <script type="text/javascript" charset="utf-8" src="/js/kindeditor-4.1.10/kindeditor-all-min.js"></script>  <script type="text/javascript" charset="utf-8" src="/js/kindeditor-4.1.10/lang/zh_CN.js"></script></head> <body>   <h3>测试上传图片功能接口的form表单</h3>  <form action="pic/upload" method="post" enctype="multipart/form-data">    <input type="file" name="fileUpload" />    <input type="submit" value="上传文件" />  </form>  <hr />  <h3>借用KindEditor富文本编辑器实现批量上传图片</h3>  <textarea id="kindEditorDesc" style="width:800px;height:300px;visibility:hidden;"></textarea>  <script type="text/javascript">    $(function(){      //初始化富文本编辑器      KindEditor.create("#kindEditorDesc", {        // name值，必须和Controller 的参数对应，不然会提示 400 的错误        filePostName : "fileUpload",        // action值，        uploadJson : '/pic/upload',        // 设置上传类型，分别为image、flash、media、file        dir : "image"      });    });  </script>  </body></html>