python requests发起http post请求，带参数，带请求头，代码设置检查没有问题
run py文件提示Unexpected character encountered while parsing value: p. Path，
问题一：body请求形式未进行json格式
data=json.dumps（body）
dumps的功能是将字典类型转换未json格式的字符串类型。
- encountered Unexpected character requests 接口encountered unexpected character requests encountered unexpected character position error encountered installing unexpected insufficient encountered unexpected caused double-quote unexpected character expecting unexpected character文本 内容 character formatexception unexpected flutter declaration identifiers unexpected character 仪表盘unexpected character仪表 van-datetime-picker unexpected组件character