1、36壁纸网爬虫配置参数实现页面可以自行配置

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/RemoteConfigService.java

@@ -0,0 +1,26 @@
+package com.ruoyi.system.api;
+
+import com.ruoyi.common.core.constant.ServiceNameConstants;
+import com.ruoyi.common.core.domain.R;
+import com.ruoyi.system.api.factory.RemoteConfigFallbackFactory;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+
+/**
+ * 系统配置服务
+ * @author xiejs
+ * @since 2022-02-20
+ */
+@FeignClient(contextId = "remoteConfigService",
+        value = ServiceNameConstants.SYSTEM_SERVICE,
+        fallbackFactory = RemoteConfigFallbackFactory.class)
+public interface RemoteConfigService {
+
+    /**
+     * 根据参数键名查询参数值
+     */
+    @GetMapping(value = "/config/configKeyForRPC/{configKey}")
+    R<String> getConfigKeyForRPC(@PathVariable("configKey") String configKey);
+
+}

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/factory/RemoteConfigFallbackFactory.java

@@ -0,0 +1,26 @@
+package com.ruoyi.system.api.factory;
+
+import com.ruoyi.common.core.domain.R;
+import com.ruoyi.system.api.RemoteConfigService;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.cloud.openfeign.FallbackFactory;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author xiejs
+ * @since 2022-02-20
+ */
+@Component
+@Log4j2
+public class RemoteConfigFallbackFactory implements FallbackFactory<RemoteConfigService> {
+    @Override
+    public RemoteConfigService create(Throwable cause) {
+        return new RemoteConfigService() {
+            @Override
+            public R<String> getConfigKeyForRPC(String configKey) {
+                log.error("系统配置服务调用失败:{}", cause.getMessage());
+                return R.fail("系统配置服务调用失败");
+            }
+        };
+    }
+}

ruoyi-api/ruoyi-api-system/src/main/resources/META-INF/spring.factories

@@ -1,4 +1,5 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
   com.ruoyi.system.api.factory.RemoteUserFallbackFactory,\
   com.ruoyi.system.api.factory.RemoteLogFallbackFactory, \
-  com.ruoyi.system.api.factory.RemoteFileFallbackFactory
+  com.ruoyi.system.api.factory.RemoteFileFallbackFactory,\
+  com.ruoyi.system.api.factory.RemoteConfigFallbackFactory

ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/controller/SysConfigController.java

@@ -1,18 +1,7 @@
 package com.ruoyi.system.controller;
 
-import java.util.List;
-import javax.servlet.http.HttpServletResponse;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.DeleteMapping;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.PutMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
 import com.ruoyi.common.core.constant.UserConstants;
+import com.ruoyi.common.core.domain.R;
 import com.ruoyi.common.core.utils.poi.ExcelUtil;
 import com.ruoyi.common.core.web.controller.BaseController;
 import com.ruoyi.common.core.web.domain.AjaxResult;
@@ -23,6 +12,12 @@ import com.ruoyi.common.security.annotation.RequiresPermissions;
 import com.ruoyi.common.security.utils.SecurityUtils;
 import com.ruoyi.system.domain.SysConfig;
 import com.ruoyi.system.service.ISysConfigService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
 
 /**
  * 参数配置 信息操作处理
@@ -76,6 +71,16 @@ public class SysConfigController extends BaseController
         return AjaxResult.success(configService.selectConfigByKey(configKey));
     }
 
+    /**
+     * 根据参数键名查询参数值forRpc
+     * @since 2022-02-20
+     * @Author xjs
+     */
+    @GetMapping(value = "/configKeyForRPC/{configKey}")
+    public R<String> getConfigKeyForRPC(@PathVariable String configKey) {
+        return R.ok(configService.selectConfigByKey(configKey));
+    }
+
     /**
      * 新增参数配置
      */

xjs-business/xjs-business-common/src/main/java/com/xjs/consts/RedisConst.java

@@ -47,7 +47,7 @@ public class RedisConst {
     /**
      * 爬虫记录循环次数常量信息
      */
-    public static final String REPTILE_COUNT= "reptile:count";
+    public static final String REPTILE_COUNT= "reptile:_36wallpaper.count";
 
     //-------------------有效时间-----------------------
     public static final Integer TRAN_DICT_EXPIRE = 1;   //小时

xjs-business/xjs-business-webmagic/src/main/java/com/xjs/_36wallpaper/task/_36wallpaperTask.java

@@ -1,6 +1,5 @@
 package com.xjs._36wallpaper.task;
 
-import com.xjs._36wallpaper.service._36wallpaperService;
 import com.xjs._36wallpaper.webmagic._36wallpaperProcessor;
 import com.xjs.annotation.ReptileLog;
 import lombok.extern.log4j.Log4j2;
@@ -21,8 +20,6 @@ public class _36wallpaperTask {
     @Autowired
     private _36wallpaperProcessor wallpaperProcessor;
 
-    @Autowired
-    private _36wallpaperService wallpaperService;
 
 
     /**
@@ -31,12 +28,7 @@ public class _36wallpaperTask {
      */
     @ReptileLog(name = "36壁纸网", url = _36_WALLPAPER_URL)
     public Long reptileWallpaper() {
-        Long run = wallpaperProcessor.run();
+        return wallpaperProcessor.run();
-        //删除重复数据
-        int count = wallpaperService.deleteRepeatData();
-        log.info("36壁纸删除重复数据数：" + count);
-
-        return run;
     }
 
 }

xjs-business/xjs-business-webmagic/src/main/java/com/xjs/_36wallpaper/webmagic/_36wallpaperPipeline.java

@@ -1,7 +1,5 @@
 package com.xjs._36wallpaper.webmagic;
 
-import cn.hutool.core.collection.CollUtil;
-import com.xjs._36wallpaper.pojo._36wallpaper;
 import com.xjs._36wallpaper.service._36wallpaperService;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -10,8 +8,6 @@ import us.codecraft.webmagic.ResultItems;
 import us.codecraft.webmagic.Task;
 import us.codecraft.webmagic.pipeline.Pipeline;
 
-import java.util.List;
-
 /**
  * webmagic持久化保存
  * @author xiejs
@@ -27,11 +23,13 @@ public class _36wallpaperPipeline implements Pipeline {
     @Override
     public void process(ResultItems resultItems, Task task) {
 
-        List<_36wallpaper> wallpaperData = resultItems.get("_36wallpaperData");
+        //这种方法效率低
+
+        /*List<_36wallpaper> wallpaperData = resultItems.get("_36wallpaperData");
 
         if (CollUtil.isNotEmpty(wallpaperData)) {
             wallpaperService.saveBatch(wallpaperData, 25);
-        }
+        }*/
 
     }
 }

xjs-business/xjs-business-webmagic/src/main/java/com/xjs/_36wallpaper/webmagic/_36wallpaperProcessor.java

@@ -1,8 +1,12 @@
 package com.xjs._36wallpaper.webmagic;
 
+import com.alibaba.fastjson.JSONObject;
 import com.ruoyi.common.redis.service.RedisService;
+import com.ruoyi.system.api.RemoteConfigService;
 import com.xjs._36wallpaper.pojo._36wallpaper;
+import com.xjs._36wallpaper.service._36wallpaperService;
 import lombok.extern.log4j.Log4j2;
+import org.apache.commons.lang3.StringUtils;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -32,17 +36,51 @@ import static com.xjs.consts.ReptileConst._36_WALLPAPER_URL;
  */
 @Log4j2
 @Component
+
 public class _36wallpaperProcessor implements PageProcessor {
 
     /**
      * 是否全网爬虫
      */
-    private static boolean init = false;
+    private boolean init = false;
+
+    /**
+     * 是否下载图片带磁盘
+     */
+    private boolean downloadImg = false;
+
+    /**
+     * 图片保存到磁盘的路径
+     */
+    private String path = "D:\\Dev\\WebCrawler\\36wallpaper";
+
+    /**
+     * redis的key
+     */
+    public static final String REDIS_KEY = "sys_config:xjs.webmagic._36wallpaper";
+
+    /**
+     * 系统配置表中的key
+     */
+    public static final String CONFIG_KEY = "xjs.webmagic._36wallpaper";
 
+    /**
+     * 请求头key
+     */
     private static final String headerKey = "User-Agent";
+    /**
+     * 请求头value
+     */
     private static final String headerValue = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36";
 
 
+    private static RemoteConfigService remoteConfigService;
+
+    @Autowired
+    public void setRemoteConfigService(RemoteConfigService remoteConfigService) {
+        _36wallpaperProcessor.remoteConfigService = remoteConfigService;
+    }
+
     @Autowired
     private _36wallpaperPipeline wallpaperPipeline;
 
@@ -54,31 +92,46 @@ public class _36wallpaperProcessor implements PageProcessor {
     }
 
 
-    /*private static _36wallpaperService wallpaperService;
+    private static _36wallpaperService wallpaperService;
 
     @Autowired
     public void setWallpaperService(_36wallpaperService wallpaperService) {
         _36wallpaperProcessor.wallpaperService = wallpaperService;
-    }*/
+    }
+
 
     /**
-     * 图片保存到磁盘的路径
+     * 初始化参数
      */
-    private static final String path = "D:\\Dev\\WebCrawler\\36wallpaper";
+    private void initParameter() {
-
+        //判断redis中是否存在
+        Boolean hasKey = redisService.hasKey(REDIS_KEY);
+        if (hasKey) {
+            String cacheObject = redisService.getCacheObject(REDIS_KEY);
+            JSONObject json = JSONObject.parseObject(cacheObject);
+            this.init = json.getBoolean("init");
+            this.downloadImg = json.getBoolean("downloadImg");
+            this.path = json.getString("path");
+        } else if (StringUtils.isNotEmpty(remoteConfigService.getConfigKeyForRPC(CONFIG_KEY).getData())) {
+            String data = remoteConfigService.getConfigKeyForRPC(CONFIG_KEY).getData();
+            JSONObject json = JSONObject.parseObject(data);
+            this.init = json.getBoolean("init");
+            this.downloadImg = json.getBoolean("downloadImg");
+            this.path = json.getString("path");
+        }
+    }
 
-    private Site site = Site.me()
-            .addHeader(headerKey,headerValue)
-            .setCharset("utf8")//设置字符编码
-            .setTimeOut(2000)//设置超时时间
-            .setRetrySleepTime(200)//设置重试间隔时间
-            .setCycleRetryTimes(6)//设置重试次数
-            .setSleepTime(1)//设置两个页面之间的间隔时间
-            ;
 
-    //解析页面
+    /**
+     * 解析页面
+     *
+     * @param page 页面
+     */
     @Override
     public void process(Page page) {
+        //初始化配置 (放在此处而不放在run方法原因，每次执行该方法都是创建线程拿到当前的类属性不一致)
+        initParameter();
+
         //解析返回的数据page,并且把解析的结果放到ResultItems中
 
         /*//第一种写法:css选择器
@@ -136,9 +189,11 @@ public class _36wallpaperProcessor implements PageProcessor {
 
 
                 //保存到磁盘
-                if (link != null) {
+                if (downloadImg) {
-                    String thisPath = path + File.separator + title;
+                    if (link != null) {
-                    downloadPicture(link, thisPath, pictureName + ".jpg");
+                        String thisPath = path + File.separator + title;
+                        downloadPicture(link, thisPath, pictureName + ".jpg");
+                    }
                 }
 
                 //爬取图片标签
@@ -162,17 +217,17 @@ public class _36wallpaperProcessor implements PageProcessor {
             }
 
             //持久化  --使用Pipeline实现持久化了
-            //wallpaperService.saveBatch(wallpapers, 25);
+            wallpaperService.saveBatch(wallpapers, 25);
 
-            //暂时保存到内存中，后续实现Pipeline接口保存到数据库
+            //暂时保存到内存中，后续实现Pipeline接口保存到数据库--效率低下
-            page.putField("_36wallpaperData",wallpapers);
+            //page.putField("_36wallpaperData",wallpapers);
 
             //循环次数存入redis中
             Integer count = redisService.getCacheObject(REPTILE_COUNT);
             if (count == null) {
-                count=0;
+                count = 0;
             }
-            redisService.setCacheObject(REPTILE_COUNT, count+1);
+            redisService.setCacheObject(REPTILE_COUNT, count + 1);
 
         } catch (Exception e) {
             e.printStackTrace();
@@ -185,7 +240,14 @@ public class _36wallpaperProcessor implements PageProcessor {
 
     @Override
     public Site getSite() {
-        return site;
+        return Site.me()
+                .addHeader(headerKey, headerValue)
+                .setCharset("utf8")//设置字符编码
+                .setTimeOut(2000)//设置超时时间
+                .setRetrySleepTime(100)//设置重试间隔时间
+                .setCycleRetryTimes(10)//设置重试次数
+                .setSleepTime(1)//设置两个页面之间的间隔时间
+                ;
     }
 
     /**
@@ -194,12 +256,18 @@ public class _36wallpaperProcessor implements PageProcessor {
      * @return 返回循环次数
      */
     public Long run() {
-        Spider.create(new _36wallpaperProcessor()).addUrl(_36_WALLPAPER_URL).thread(20)
+        //执行爬虫
-                .setScheduler(new QueueScheduler().setDuplicateRemover(new BloomFilterDuplicateRemover(110000)))
+        Spider.create(new _36wallpaperProcessor())
-                .addPipeline(wallpaperPipeline)
+                .addUrl(_36_WALLPAPER_URL)//设置爬取地址
-                .run();
+                .thread(30)//设置爬取线程数
-
+                .setScheduler(new QueueScheduler()
-
+                        .setDuplicateRemover(new BloomFilterDuplicateRemover(110000)))//设置url去重过滤器
+                //.addPipeline(wallpaperPipeline)//设置爬取之后的数据操作
+                .run();//执行
+
+        //删除重复数据
+        int count = wallpaperService.deleteRepeatData();
+        log.info("36壁纸删除重复数据数：" + count);
 
         //从redis中获取循环次数
         Integer cache = redisService.getCacheObject(REPTILE_COUNT);