『Python笔记』Python实现多个json文件合并到一个json文件！

谁践踏了优雅 2022-12-29 12:59 373阅读 0赞

<table> 
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  <tr> 
   <td><font>Python实现多个json文件合并到一个json文件！</font> </td> 
  </tr> 
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## 1. 代码 ##

# !/usr/bin/env python
    # -*- encoding: utf-8 -*-
    """
    @author: kaifang zhang
    @license: Apache License
    @time: 2020/12/09
    @contact: 1115291605@qq.com
    """
    import os
    import json
    import tqdm
    
    
    def merge_json(path_results, path_merges):
        """
        主要功能是实现一个目录下的多个json文件合并为一个json文件。
        :param path_results:
        :param path_merges:
        :return:
        """
        merges_file = os.path.join(path_merges, "bas_fund_transaction.json")
        with open(merges_file, "w", encoding="utf-8") as f0:
            for file in os.listdir(path_results):
                with open(os.path.join(path_results, file), "r", encoding="utf-8") as f1:
                    for line in tqdm.tqdm(f1):
                        line_dict = json.loads(line)
                        js = json.dumps(line_dict, ensure_ascii=False)
                        f0.write(js + '\n')
                    f1.close()
            f0.close()
    
    
    if __name__ == '__main__':
        path_results, path_merges = "./results", "./results_merges"
        if not os.path.exists(path_merges):  # 如果results目录不存在，新建该目录。
            os.mkdir(path_merges)
        merge_json(path_results, path_merges)

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