find("end_sentence",start_index_1,)
if start_index_1 == -1 or end_index_1 == -1:
print("未找到待修改位置")
return -1
#
updated_content = file_content[:start_index_1]#获取这行代码之前的内容
updated_content += "start_sentence和end_sentence之间的sentence_1;\n"
updated_content += "start_sentence和end_sentence之间的sentence_2;\n"
updated_content +=file_content[end_index_1:]
##此时updated_content就是修改后的完整文件内容
if updated_content != "":
with open(file_path, "w") as file:
file.write(updated_content)
else:
print("修改失败")
return -1
- 多行修改-局部替换
try:
with open(file_path, "r") as file:
file_content = file.read()
except Exception as e:
return str(e)
# 设置改写内容
updated_content = ""
# 查找修改
start_index_1 = file_content.find("start_sentence_1")#要确保查找元素的唯一性
end_index_1 = file_content.find("end_sentence_1",start_index_1,)
start_index_2 = file_content.find("start_sentence_2",end_index_1)
end_index_2 = file_content.find("end_sentence_2",start_index_2,)
start_index_3 = file_content.find("start_sentence_3",end_index_2)
end_index_3 = file_content.find("end_sentence_3",start_index_3,)
start_index_4 = file_content.find("start_sentence_4",end_index_3)
end_index_4 = file_content.find("end_sentence_4",start_index_4,)
if (
start_index_1 == -1
or end_index_1 == -1
or start_index_2 == -1
or end_index_2 == -1
or start_index_3 == -1
or end_index_3 == -1
or start_index_4 == -1
or end_index_4 == -1
):
print("未找到待修改位置")
return -1
#
updated_content = file_content[:start_index_1]#获取这行代码之前的内容
updated_content += "start_sentence_1和end_sentence_1之间的内容"
updated_content +=file_content[end_index_1:start_index_2]
updated_content += "start_sentence_2和end_sentence_2之间的内容"
updated_content +=file_content[end_index_2:start_index_3]
updated_content += "start_sentence_3和end_sentence_3之间的内容"
updated_content +=file_content[end_index_3:start_index_4]
updated_content += "start_sentence_4和end_sentence_4之间的内容"
updated_content += file_content[end_index_4:]
##此时updated_content就是修改后的完整文件内容
if updated_content != "":
with open(file_path, "w") as file:
file.write(updated_content)
else:
print("修改失败")
return -1