fix:删除多余的图片

nacos-server-consumer/src/main/java/com/kwan/springcloudalibaba/util/FileContains.java

+package com.kwan.springcloudalibaba.util;
+
+
+import com.google.common.base.Charsets;
+import com.google.common.io.Files;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.time.StopWatch;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * 字符串是否存在文件中
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2023/2/8 10:45
+ */
+@Slf4j
+public class FileContains {
+
+    private static boolean IS_EXIST = false;
+
+    public static void main(String[] args) throws IOException {
+        StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+        final List<String> isNotExist = new ArrayList<>();
+        //获取picPath下面所有的文件名
+        String picPath = "/Users/qinyingjie/Documents/idea-workspace/blogimg/";
+        final List<String> picNames = getPicName(picPath);
+        log.info("图片总数为{}", picNames.size());
+        for (String word : picNames) {
+            IS_EXIST = false;
+            //遍历某个文件夹下的所有以.vue结尾的文件
+            //博客文件夹
+            String folder = "/Users/qinyingjie/Documents/idea-workspace/blog/";
+            //指定类型的文件
+            String suffix = ".md";
+            //包含某个字符串
+            traverseFolder(folder, suffix, word);
+            if (!IS_EXIST) {
+                isNotExist.add(word);
+            }
+        }
+        log.info("不存在图片总数为{}", isNotExist.size());
+        for (String s : isNotExist) {
+            deletePic(picPath + s);
+        }
+        stopWatch.stop();
+        //毫秒输出
+        log.info(String.valueOf(stopWatch.getTime(TimeUnit.MILLISECONDS)));
+    }
+
+    /**
+     * 获取文件
+     *
+     * @param path
+     * @param suffix
+     * @param word
+     * @throws IOException
+     */
+    public static void traverseFolder(String path, String suffix, String word) throws IOException {
+        File file = new File(path);
+        if (file.exists()) {
+            //获取文件夹下的文件
+            File[] files = file.listFiles();
+            if (null != files && files.length != 0) {
+                for (File file2 : files) {
+                    //是否是文件夹
+                    if (file2.isDirectory()) {
+                        traverseFolder(file2.getAbsolutePath(), suffix, word);
+                    } else {
+                        //包含md结尾的文件
+                        if (file2.getAbsolutePath().contains(suffix)) {
+                            getParams(file2.getAbsolutePath(), word);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * 判断文件是否存在
+     *
+     * @param classPath
+     * @param word
+     * @throws IOException
+     */
+    public static void getParams(String classPath, String word) throws IOException {
+        File file = new File(classPath);
+        //每行作为一个字符串，存为列表元素
+        List<String> strings = Files.readLines(file, Charsets.UTF_8);
+        for (String string : strings) {
+            //判断是否包含方法名称，即指定字符串
+            if (string.contains(word)) {
+                //文件存在
+                IS_EXIST = true;
+            }
+        }
+    }
+
+    /**
+     * 获取图片名称
+     *
+     * @param path
+     * @return
+     */
+    public static List<String> getPicName(String path) {
+        List<String> picNames = new ArrayList<>();
+        File file = new File(path);
+        if (file.exists()) {
+            //获取文件夹下的文件
+            File[] files = file.listFiles();
+            if (null != files && files.length != 0) {
+                for (File file2 : files) {
+                    //是否是文件夹
+                    if (!file2.isDirectory()) {
+                        //包含md结尾的文件
+                        final String name = file2.getName();
+                        picNames.add(name);
+                    }
+                }
+            }
+        }
+        return picNames;
+    }
+
+    /**
+     * 删除文件
+     *
+     * @param picPath
+     */
+    public static void deletePic(String picPath) {
+        File file = new File(picPath);
+        try {
+            file.delete();
+            System.out.printf("删除文件成功:%s%n", picPath);
+        } catch (Exception e) {
+            System.err.printf("无法删除的路径 %s%n%s", picPath, e);
+        }
+    }
+}
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