add WebSpiderSeed/io

Author: rongweihe

爬虫代码/WebSpiderSeed/lib/io_helper.py

@@ -0,0 +1,46 @@
+'''
+Author: herongwei
+Date: 2021-06-26 11:20:16
+LastEditTime: 2021-06-26 11:26:27
+LastEditors: Please set LastEditors
+Description: IO 文件操作/帮助类
+FilePath: /WebSpiderSeed/lib/io_helper.py
+'''
+#!/usr/bin/spython
+# -*- coding: utf-8 -*-
+import os
+
+class IOHelper(object):
+    @staticmethod
+    def exist(path):
+        return os.path.exist(path)
+
+    @staticmethod
+    def read_all(path):
+        file_obj = open(path)
+        try:
+            file_context = file_obj.read()
+        finally:
+            file_obj.close()
+        return file_context
+    
+    @staticmethod
+    def write_all(path, data):
+        IOHelper.delfile(path)
+        with open(path, 'w') as file_object:
+            file_object.write(data)
+
+    @staticmethod
+    def write_line(path, data_arr):
+        with open(path, 'a+') as file_object:
+            for line in data_arr:
+                file_object.write(line)
+                file_object.write("\n")
+
+    @staticmethod
+    def delfile(path):
+        if os.path.exists(path):  # 如果文件存在
+            os.remove(path)
+
+    
+