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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body><img src="img/timg.jpg" width="100px" height="50px" alt= 阅读全文
posted @ 2020-11-15 15:16
zxy_ang
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"""st = "name=li; gender=m; birthday=1990; code_type=1; send_code=178"将st转换成字典格式字典推导式： dic = {i.split("=")[0]: i.split("=")[1] for i in st.split(";")} 阅读全文
posted @ 2020-11-13 00:34
zxy_ang
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# __author: "ZXYang"# date: 2020/11/12"""生成[data1, data2......,data100]列表推导式：li = [i for i in renge(101)]"""# li = []# for i in range(101):# value = " 阅读全文
posted @ 2020-11-13 00:12
zxy_ang
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# __author: "ZXYang"# date: 2020/11/12以名称访问字段，非位置索引 tu = ("li", 12, "男")# 元祖下标取值# print(tu[0]) from collections import namedtupleStudent = namedtuple( 阅读全文
posted @ 2020-11-12 23:46
zxy_ang
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__all__ = ["aa"]"""__all__ = ["aa"] 通过from xxx import * 时，可以限定导入变量和方法，[]为空则全部导入"""aa = 100bb = 200 阅读全文
posted @ 2020-11-12 23:08
zxy_ang
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# __author: "ZXYang"# date: 2020/5/31# import pymysql## conn = pymysql.connect(host='127.0.0.1', port=3306, user='root', passwd='Zz0103', db='test02', 阅读全文
posted @ 2020-11-08 21:43
zxy_ang
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# Create your views here.from django.db.models import Avg, Min, Max, Sum, F, Qfrom app_01.models import Bookfrom app_01 import models from datetime im 阅读全文
posted @ 2020-10-31 19:46
zxy_ang
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def date_op(req): # 关联查询： 双下划线：———— （如：book__title） # 查询多对多 author_name = models.Book_To_Author.objects.filter(book__title='python').values('author__n 阅读全文
posted @ 2020-10-31 16:59
zxy_ang
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# Create your views here.from app_01.models import Bookfrom app_01 import modelsfrom datetime import datetimefrom django.http import HttpResponsefrom 阅读全文
posted @ 2020-10-28 22:36
zxy_ang
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from django.db import modelsmodels.CharField()# Create your models here.class Book(models.Model): title = models.CharField(max_length=64) price = mode 阅读全文
posted @ 2020-10-25 20:47
zxy_ang
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