tmp

common/src/main/java/com/yunbao/common/utils/FileUtil.java

@@ -33,6 +33,24 @@ public class FileUtil {
             }
         }
     }
+    /**
+     * 把字符串追加保存成文件
+     */
+    public static void saveAddStringToFile(File dir, String content, String fileName) {
+        PrintWriter writer = null;
+        try {
+            FileOutputStream os = new FileOutputStream(new File(dir, fileName));
+            writer = new PrintWriter(os);
+            writer.append(content);
+            writer.flush();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } finally {
+            if (writer != null) {
+                writer.close();
+            }
+        }
+    }
 
     /**
      * 从文件读取字符串