Django 中字段值为unicode类型，想要转换成int类型报错？

Question

water_alarm_source['analog_value'] = int(str(i['analog_value1']))/1000
其中 i['analog_value1'] 取出来的类型为 unicode,想要转换成int类
错误：

 "data": "invalid literal for int() with base 10: '100.0'"

Answer 1

float()

Answer 2

water_alarm_source['analog_value'] = float(str(i['analog_value1']))//1000

Answer 3

int(float('100.0'))