CentOS-7-x86_64-Minimal-1810 安装高

1.安装依赖

yum install -y openssl-devel libevent-devel libjpeg-devel giflib-devel libpng-devel libwebp-devel ImageMagick-devel libmemcached-devel

2.下载：zimg-3.1.0-Release.x86_64.rpm

打开：http://zimg.buaa.us/downloads/ 页面 点击 zimg-3.1.0-Release.x86_64.rpm
也可以使用命令

wget https://github.com/buaazp/zimg/releases/download/v3.1.0/zimg-3.1.0-Release.x86_64.rpm

官网下载比较慢可以从我的百度云盘上下载
链接: https://pan.baidu.com/s/1jUVTUPXBGTx5HgLP2LfC2A 提取码: 25d2

3.安装

sudo rpm -ivh zimg-3.1.0-Release.x86_64.rpm

4.运行：

/usr/local/zimg/zimg /usr/local/zimg/conf/zimg.lua

4.开机启动：

chmod +x /etc/rc.d/rc.local
vim /etc/rc.local
//加如下行
/usr/local/zimg/zimg /usr/local/zimg/conf/zimg.lua *

#### 5.关闭防火墙：

systemctl stop firewalld.service
systemctl disable firewalld.service

#### 6.浏览器打开：http://server-ip:4869
![无标题.png](https://img.haomeiwen.com/i7848013/a06ea692ffaf1ee0.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)

####7.java上传工具类

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;

/**

• @类说明 Zimg图片服务器专用上传工具类

• @author 高振中

• @创建时间：2019年2月27日 下午4:07:03
  */
  @Component
  @Slf4j
  public class ZimgUtils {

  @Value("${xsrt.zimg.server}")
  private String zimg_server;// Zimg图片服务器IP及端口

  /**

  • @方法说明 上传文件
    */
    public JSONObject upFile(MultipartFile file) {
    try {
    return this.upFile(file.getBytes());
    } catch (IOException e) {
    log.error("上传图片时出现异常:", e.getMessage());
    return JSONObject.parseObject("{"ret":false,"info":"上传图片时出现异常"}");
    }
    }

  public JSONObject upUrlImg(String url) {
  return upFile(getFileBytes(url));
  }

  /**

  • @方法说明 上传文件
    */
    public JSONObject upFile(byte[] bytes) {
    try {
    URL url = new URL(zimg_server + "upload");
    URLConnection connection = url.openConnection();
    HttpURLConnection conn = (HttpURLConnection) connection;
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Connection", "Keep-Alive");
    conn.setRequestProperty("Content-Type", extName(bytes));
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.connect();
    conn.getOutputStream().write(bytes);
    String res = new BufferedReader(new InputStreamReader(conn.getInputStream())).readLine();
    conn.disconnect();
    return JSONObject.parseObject(res);
    } catch (Exception e) {
    log.error("上传图片时出现异常:", e.getMessage());
    return JSONObject.parseObject("{"ret":false,"info":"上传图片时出现异常"}");
    }
    }

  /**

  • @方法说明 取扩展名
    */
    private String extName(byte[] data) {
    if (data[1] == 'P' && data[2] == 'N' && data[3] == 'G') {
    return "png";
    }
    if (data[0] == 'G' && data[1] == 'I' && data[2] == 'F') {
    return "gif";
    }
    if (data[6] == 'J' && data[7] == 'F' && data[8] == 'I' && data[9] == 'F') {
    return "jpg";
    }
    return "jpg";
    }

  /**

  • @方法说明 从url读取文件流
    */
    public byte[] getFileBytes(String imgUrl) {
    ByteArrayOutputStream swapStream = null;
    try {
    URL imgurl = new URL(imgUrl);
    URLConnection connection = imgurl.openConnection();
    InputStream inStream = connection.getInputStream();
    swapStream = new ByteArrayOutputStream();
    byte[] buff = new byte[100];
    int rc = 0;
    while ((rc = inStream.read(buff, 0, 100)) > 0) {
    swapStream.write(buff, 0, rc);
    }
    } catch (MalformedURLException e) {
    e.printStackTrace();
    } catch (IOException e) {
    e.printStackTrace();
    }
    return swapStream.toByteArray();
    }

  public static void main(String[] args) {
  String res = "{"ret":true,"info":{"md5":"bee092fa4a73d82aa125c74f4a8ce96d","size":66468}}";
  JSONObject json = JSONObject.parseObject(res);
  System.out.println(json.getJSONObject("info").get("md5"));
  }

}