修改了工具类信息以及主函数日志打印

src/main/java/com/comleader/ldmapdownload/application/DownMap.java

@@ -151,6 +151,11 @@ public class DownMap implements ApplicationRunner {
     }
 
 
+    /**
+     * @description:  下载地图的Callable,该类用于异步多线程下载地图
+     * @author: zhanghang
+     * @date: 2020/4/7
+     **/
     class DownMapCallable implements Callable<String> {
 
         private int z;
@@ -178,7 +183,7 @@ public class DownMap implements ApplicationRunner {
                 }
                 return imgUrl + " Loaded";
             } catch (Exception e) {
-                //log.error(imgUrl + " Down Failed");
+                e.printStackTrace();
                 errResults.add("Failed: " + imgUrl + " ErrorMsg >> " + e.getMessage());
                 return imgUrl + " Down Failed";
             }

src/main/java/com/comleader/ldmapdownload/config/HttpClientConfig.java

@@ -180,7 +180,7 @@ public class HttpClientConfig {
 
                 setConnectionRequestTimeout(connectionRequestTimeout).
 
-                setSocketTimeout(socketTimeout);
+                setSocketTimeout(socketTimeout).setRedirectsEnabled(true);
 
     }
 

src/main/java/com/comleader/ldmapdownload/util/HttpUtil.java

@@ -3,6 +3,7 @@ package com.comleader.ldmapdownload.util;
 import cn.hutool.core.io.FileUtil;
 import lombok.extern.slf4j.Slf4j;
 
+import org.apache.http.HttpEntity;
 import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
@@ -11,9 +12,7 @@ import org.springframework.stereotype.Component;
 
 import javax.annotation.PostConstruct;
 import javax.annotation.Resource;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
+import java.io.*;
 import java.sql.SQLOutput;
 
 /**
@@ -63,6 +62,8 @@ public class HttpUtil {
                 ins =  response.getEntity().getContent();
                 // 写入图片
                 FileUtil.writeFromStream(ins, file);
+            }else {
+                response.getEntity();
             }
         } finally {
             // 释放资源
@@ -76,4 +77,36 @@ public class HttpUtil {
 
     }
 
+    public static void writeFromStream(InputStream is, File file) {
+        BufferedInputStream bis = null;
+        BufferedOutputStream bos = null;
+        try {
+            // 下载图片到本地存储
+            bis  = new BufferedInputStream(is);
+            bos = new BufferedOutputStream(new FileOutputStream(file));
+            byte[] buffer = new byte[1024];
+            int len = -1;
+            //while ((len = bis.read(buffer)) != -1) {
+            while ((len = bis.read(buffer)) > 0) {
+                bos.write(buffer, 0, len);
+                bos.flush();
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }finally {
+            try {
+                // 释放资源
+                if (bos != null){
+                    bos.close();
+                }
+                if (bis != null){
+                    bis.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
 }

src/main/resources/config/download-map.properties

@@ -18,17 +18,17 @@ map.baseurl=http://webrd04.is.autonavi.com/appmaptile?lang=zh_cn&size=1scale=1&s
 map.type=CUSTOM
 
 # 下载地图的层级 7 - 18
-map.minLv=17
-map.maxLv=17
+map.minLv=14
+map.maxLv=14
 
 # 线程数
-map.threadNum=1000
+map.threadNum=2000
 
 # 是否下载前6级(不能与其余的同时进行)
 map.Lv6.flag=false
 
 # 是否继续下载
-map.download.append=true
+map.download.append=false
 
 # 这个注释用来备注下下载地图的经纬度
 # left: 113.587，34.694  right: 113.801，34.799
\ No newline at end of file

src/main/resources/config/httpclient.properties

 #最大连接数
-http.maxTotal=1000
+http.maxTotal=2000
 #并发数
-http.defaultMaxPerRoute=50
+http.defaultMaxPerRoute=60
 #创建连接的最长时间
 http.connectTimeout=60000
 #从连接池中获取到连接的最长时间
-http.connectionRequestTimeout=60000
+http.connectionRequestTimeout=6000000
 #数据传输的最长时间
-http.socketTimeout=60000
+http.socketTimeout=120000
 #提交请求前测试连接是否可用
 http.staleConnectionCheckEnabled=true
\ No newline at end of file