1.能够输出行号以及状态的对比结果了2.第二次保存后进行对比报错

app.py

@@ -127,7 +127,20 @@ def levenshtein_distance_with_operations(s1:str, s2:str) -> Tuple[int, List[Tupl
 
 class Cli:
     def print_out(self) -> None:
-        print(self.prints, ConsoleFrontColor.RESET)
+        sp = self.prints.split("\n")
+        status_len = len(str(len(sp)))
+        for line_index, line in enumerate(sp):
+            if ConsoleFrontColor.GREEN in line and ConsoleFrontColor.RED in line:
+                perfix = f"{ConsoleFrontColor.YELLOW}@"
+            elif ConsoleFrontColor.GREEN in line:
+                perfix = f"{ConsoleFrontColor.GREEN}+"
+            elif ConsoleFrontColor.RED in line:
+                perfix = f"{ConsoleFrontColor.RED}-"
+            else:
+                perfix = "="
+
+            print(f"{perfix}{line_index}{" "*max(0,status_len-len(str(line_index)))}{ConsoleFrontColor.RESET} | {line}")
+        print(ConsoleFrontColor.RESET)
 
     def print(self, *args) -> None:
         self.prints += "".join(args)
@@ -156,34 +169,36 @@ class Cli:
         current_content = self.file.LoadAsText()
         step, operations = levenshtein_distance_with_operations(head_commit, current_content)
         if step == 0:
-            self.print(f"{ConsoleFrontColor.LIGHTMAGENTA_EX}No changes")
+            PrintColorful(ConsoleFrontColor.LIGHTMAGENTA_EX, "No changes")
             return
         index = 0
         for operation in operations:
             # 显示操作前的不变内容
-            sp = head_commit[index:operation[1]].split("\n")
-            if len(sp) > 3:
-                self.print("\n".join(sp[-3:]))
-            else:
-                self.print("\n".join(sp))
+            self.print(head_commit[index:operation[1]])
             
             if operation[0] == "add":
-                self.print(f"{ConsoleFrontColor.GREEN}{operation[3]}{ConsoleFrontColor.RESET}")
-                index = operation[2]
+                color = ConsoleFrontColor.GREEN
             elif operation[0] == "delete":
-                self.print(f"{ConsoleFrontColor.RED}{operation[3]}{ConsoleFrontColor.RESET}")
-                index = operation[2]
+                color = ConsoleFrontColor.RED
             else:
                 raise ValueError(f"Invalid operation: {operation}")
-        sp = head_commit[index:].split("\n")
-        if len(sp) > 3:
-            self.print("\n".join(sp[:3]))
-        else:
-            self.print("\n".join(sp))
+            
+            sp = operation[3].split("\n")
+            if operation[3][0] == "\n":
+                self.print("\n")
+            for line_index, line in enumerate(sp):
+                self.print(f"{color}{line}{ConsoleFrontColor.RESET}")
+                if line_index == len(sp) - 1:
+                    if operation[3][-1] == "\n":
+                        self.print("\n")
+                else:
+                    self.print("\n")
+            index = operation[2]
+        self.print(head_commit[index:])
+        self.print_out()
 
-
-        self.print(f"\n{ConsoleFrontColor.LIGHTMAGENTA_EX}operations:\n")
-        self.print(f"{'\n'.join([f"{ConsoleFrontColor.GREEN if item[0] == "add" else ConsoleFrontColor.RED}{item[0]}{ConsoleFrontColor.RESET} \"{item[3]}\" on [{item[1]},{item[2]}]" for item in operations])}")
+        PrintColorful(ConsoleFrontColor.LIGHTMAGENTA_EX, "\noperations:")
+        print(f"{'\n'.join([f"{ConsoleFrontColor.GREEN if item[0] == "add" else ConsoleFrontColor.RED}{item[0]}{ConsoleFrontColor.RESET} \"{ConsoleFrontColor.YELLOW}{item[3]}{ConsoleFrontColor.RESET}\" on [{item[1]},{item[2]}]" for item in operations])}")
 
 
     def save(self) -> None:
@@ -239,17 +254,11 @@ def run() -> int:
 
     # 比较
     if args.compare:
-        try:
-            cli.compare()
-        finally:
-            cli.print_out()
+        cli.compare()
         return 0
     # 保存
     elif args.save:
-        try:
-            cli.save()
-        finally:
-            cli.print_out()
+        cli.save()
         return 0
 
     raise NotImplementedError("Not implemented mode")