import json
import codecs
import re

file_path = r'd:\\骅锋\\mall\\pages.json'
with codecs.open(file_path, 'r', 'utf-8') as f:
    text = f.read()

target = r'(\{\s*\
path\\s*:\s*\pages/mall/admin/homePage/index\[\w\W]*?\})'
new_block = ''',{
      \path\: \pages/mall/admin/userCenter/index\,
      \style\: {
        \navigationBarTitleText\: \个人中心\,
        \navigationStyle\: \custom\
      }
    }'''

def rcb(match):
    return match.group(1) + new_block

new_text = re.sub(target, rcb, text)
if new_text != text:
    with codecs.open(file_path, 'w', 'utf-8') as f:
        f.write(new_text)
    print('Updated!')
else:
    print('No changes!')