具体步骤
1、保存json文件，格式示例如下
[{"id":"S001","model":"A","passed":true,"latency_ms":1999},{"id":"S002","model":"A","passed":true,"latency_ms":2000},{"id":"S003","model":"A","passed":true,"latency_ms":2001},{"id":"S004","model":"A","passed":false,"latency_ms":1999},{"id":"S005","model":"A","passed":false,"latency_ms":2000},{"id":"S006","model":"A","passed":false,"latency_ms":2001}]
2、读取文件的最小语法
importjsonfrompathlibimportPath##获取路径，__file__指当前脚本，resolve()通过解析所有符号链接，使路径变为绝对路径，parent取所在目录，with ... as ...代码块结束后自动关闭文件BASE_DIR=Path(__file__).resolve().parent input_path=BASE_DIR/"tests.json"##读取函数open().read()，encoding="utf-8"：指定使用 UTF-8 字符编码，防止写入中文或特殊字符时出现乱码withinput_path.open("r",encoding="utf-8")asf:test_cases=json.load(f)print(type(test_cases),len(test_cases))
3、保存文件的最小语法
output_path=BASE_DIR/"results.json"## 写入函数open().write()，json.dump(...)把 Python 对象（这里是 report，通常是一个字典 dict 或列表 list）转换成 JSON 格式，并直接写入到文件对象 f 中，ensure_ascii=False让中文直接显示，indent=2：设置缩进为 2 个空格withoutput_path.open("w",encoding="utf-8")asf:json.dump(report,f,ensure_ascii=False,indent=2)
