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Python-100-Days
Commit cd529ffa authored by jackfrued's avatar jackfrued
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更新了文档和代码

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Day01-15/01.初识Python.md
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Day01-15/02.语言元素.md
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......@@ -50,7 +50,6 @@ print(a / b)
print(a // b)
print(a % b)
print(a ** b)
```
```Python
......@@ -72,7 +71,6 @@ print('%d / %d = %f' % (a, b, a / b))
print('%d // %d = %d' % (a, b, a // b))
print('%d %% %d = %d' % (a, b, a % b))
print('%d ** %d = %d' % (a, b, a ** b))
```
```Python
......@@ -94,7 +92,6 @@ print(type(b))
print(type(c))
print(type(d))
print(type(e))
```
在对变量类型进行转换时可以使用Python的内置函数（准确的说下面列出的并不是真正意义上的函数，而是后面我们要讲到的创建对象的构造方法）。
......@@ -126,7 +123,7 @@ Python支持多种运算符，下表大致按照优先级从高到低的顺序
| `not` `or` `and` | 逻辑运算符 |
| `=` `+=` `-=` `*=` `/=` `%=` `//=` `**=` `&=` `\|=` `^=` `>>=` `<<=` | （复合）赋值运算符 |
>**说明：** 在实际开发中，如果搞不清楚优先级可以使用括号来确保运算的执行顺序。
>**说明：** 在实际开发中，如果搞不清楚运算符的优先级，可以使用括号来确保运算的执行顺序。
下面的例子演示了运算符的使用。
......@@ -161,7 +158,6 @@ print("flag4 = ", flag4)
print("flag5 = ", flag5)
print(flag1 is True)
print(flag2 is not False)
```
### 练习
......@@ -180,7 +176,6 @@ Author: 骆昊
f = float(input('请输入华氏温度: '))
c = (f - 32) / 1.8
print('%.1f华氏度 = %.1f摄氏度' % (f, c))
```
#### 练习2：输入圆的半径计算计算周长和面积。
......@@ -200,7 +195,6 @@ perimeter = 2 * math.pi * radius
area = math.pi * radius * radius
print('周长: %.2f' % perimeter)
print('面积: %.2f' % area)
```
#### 练习3：输入年份判断是不是闰年。
......
Day01-15/code/.vscode/settings.json 0 → 100644
View file @ cd529ffa
{
"python.pythonPath": "/Library/Frameworks/Python.framework/Versions/3.7/bin/python3"
}
\ No newline at end of file
Day01-15/code/Day01/hello.py
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......@@ -6,8 +6,13 @@ Version: 0.1
Author: 骆昊
Date: 2018-02-26
请将该文件命名为hello.py并在终端中通过下面的命令运行它
请将该文件命名为hello.py
使用Windows的小伙伴可以在命令行提示下通过下面的命令运行该程序
python hello.py
对于使用Linux或macOS的小伙伴可以打开终端并键入下面的命令来运行程序
python3 hello.py
"""
print('hello, world!')
......
Day01-15/code/Day02/circle.py
View file @ cd529ffa
......@@ -5,7 +5,6 @@ Version: 0.1
Author: 骆昊
Date: 2018-02-27
"""
import math
radius = float(input('请输入圆的半径: '))
......
Day01-15/code/Day03/grade.py
View file @ cd529ffa
"""
百分制成绩转等级制成绩
90分以上 --> A
80分~89分 --> B
70分~79分 --> C
60分~69分 --> D
60分以下 --> E
90分以上，输出A
80分~89分，输出B
70分~79分，输出C
60分~69分，输出D
60分以下，输出E
Version: 0.1
Author: 骆昊
......
Day01-15/code/Day03/rolldice.py
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......@@ -5,7 +5,6 @@ Version: 0.1
Author: 骆昊
Date: 2018-02-28
"""
from random import randint
face = randint(1, 6)
......
Day01-15/code/Day03/triangle.py
View file @ cd529ffa
......@@ -6,7 +6,6 @@ Version: 0.1
Author: 骆昊
Date: 2018-02-28
"""
import math
a = float(input('a = '))
......
Day01-15/code/Day03/verify.py
View file @ cd529ffa
......@@ -5,7 +5,6 @@ Version: 0.1
Author: 骆昊
Date: 2018-02-28
"""
# import getpass
# from getpass import getpass
# from getpass import *
......
Day01-15/code/Day04/for4.py
View file @ cd529ffa
......@@ -5,7 +5,6 @@ Version: 0.1
Author: 骆昊
Date: 2018-03-01
"""
from math import sqrt
num = int(input('请输入一个正整数: '))
......
Day01-15/code/Day04/while2.py
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......@@ -6,8 +6,7 @@ Author: 骆昊
Date: 2018-03-01
"""
sum = 0
num = 2
sum, num = 0, 2
while num <= 100:
sum += num
num += 2
......
Day01-15/code/Day05/chicken.py
View file @ cd529ffa
......@@ -13,5 +13,3 @@ for x in range(0, 20):
z = 100 - x - y
if 5 * x + 3 * y + z / 3 == 100:
print('公鸡: %d只, 母鸡: %d只, 小鸡: %d只' % (x, y, z))
# 要理解程序背后的算法 - 穷举法
Day01-15/code/Day05/craps.py
View file @ cd529ffa
......@@ -11,7 +11,6 @@ Version: 0.1
Author: 骆昊
Date: 2018-03-02
"""
from random import randint
money = 1000
......
Day01-15/code/Day05/fibonacci.py
View file @ cd529ffa
......@@ -10,5 +10,5 @@ Date: 2018-03-02
a = 0
b = 1
for _ in range(20):
(a, b) = (b, a + b)
a, b = b, a + b
print(a, end=' ')
Day01-15/code/Day05/guess.py
View file @ cd529ffa
......@@ -7,7 +7,6 @@ Version: 0.1
Author: 骆昊
Date: 2018-03-02
"""
import random
answer = random.randint(1, 100)
......
Day21-30/code/list_by_javascript.html 0 → 100644
View file @ cd529ffa
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>动态列表</title>
<style>
* {
margin: 0;
padding: 0;
}
body {
background-color: #000;
color: #fff;
}
#app {
width: 40%;
margin: 20px auto;
}
#fruits>li {
width: 90%;
height: 50px;
background-color: #6ca;
margin: 4px 0;
text-align: center;
font-size: 20px;
list-style-type: none;
line-height: 50px;
}
#fruits>li>a {
float: right;
color: #fff;
text-decoration: none;
margin-right: 10px;
}
#fruits+div {
margin-top: 20px;
}
#fname {
width: 70%;
height: 40px;
color: #fff;
border-radius: 8px;
border: none;
outline: none;
font-size: 20px;
text-align: center;
vertical-align: middle;
background-color: #999;
}
#ok {
width: 19%;
height: 40px;
color: #fff;
background-color: #a45;
border: none;
outline: none;
font-size: 16px;
vertical-align: middle;
}
</style>
</head>
<body>
<div id="app">
<ul id="fruits">
<li>苹果<a href="">×</a></li>
<li>香蕉<a href="">×</a></li>
<li>榴莲<a href="">×</a></li>
<li>火龙果<a href="">×</a></li>
</ul>
<div>
<input type="text" id="fname">
<button id="ok">确定</button>
</div>
</div>
<script>
const ul = document.querySelector('#fruits')
const fnameInput = document.querySelector('#fname')
const okBtn = document.querySelector('#ok')
const anchors = document.querySelectorAll('#fruits a')
function removeItem(evt) {
evt.preventDefault()
let li = evt.target.parentNode
li.parentNode.removeChild(li)
}
function addItem(evt) {
let fname = fnameInput.value.trim()
if (fname.length > 0) {
let li = document.createElement('li')
li.textContent = fname
let a = document.createElement('a')
a.setAttribute('href', '')
a.textContent = '×'
a.addEventListener('click', removeItem)
li.appendChild(a)
ul.insertBefore(li, ul.firstElementChild)
}
fnameInput.value = ''
fnameInput.focus()
}
window.addEventListener('load', (evt) => {
for (let i = 0; i < anchors.length; i += 1) {
anchors[i].addEventListener('click', removeItem)
}
fnameInput.addEventListener('keydown', (evt) => {
let code = evt.keyCode || evt.which
if (code == 13) {
addItem()
}
})
okBtn.addEventListener('click', addItem)
})
</script>
</body>
</html>
\ No newline at end of file
Day21-30/code/list_by_jquery.html 0 → 100644
View file @ cd529ffa
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>动态列表</title>
<style>
* {
margin: 0;
padding: 0;
}
body {
background-color: #000;
color: #fff;
}
#app {
width: 40%;
margin: 20px auto;
}
#fruits>li {
width: 90%;
height: 50px;
background-color: #6ca;
margin: 4px 0;
text-align: center;
font-size: 20px;
list-style-type: none;
line-height: 50px;
}
#fruits>li>a {
float: right;
color: #fff;
text-decoration: none;
margin-right: 10px;
}
#fruits+div {
margin-top: 20px;
}
#fname {
width: 70%;
height: 40px;
color: #fff;
border-radius: 8px;
border: none;
outline: none;
font-size: 20px;
text-align: center;
vertical-align: middle;
background-color: #999;
}
#ok {
width: 19%;
height: 40px;
color: #fff;
background-color: #a45;
border: none;
outline: none;
font-size: 16px;
vertical-align: middle;
}
</style>
</head>
<body>
<div id="app">
<ul id="fruits">
<li>苹果<a href="">×</a></li>
<li>香蕉<a href="">×</a></li>
<li>榴莲<a href="">×</a></li>
<li>火龙果<a href="">×</a></li>
</ul>
<div>
<input type="text" id="fname">
<button id="ok">确定</button>
</div>
</div>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<script>
// 1. $函数的参数是一个函数，该函数是页面加载完成后执行的回调函数
$(() => {
function removeItem(evt) {
evt.preventDefault()
// 4. $函数的参数是原生JavaScript对象，返回该原生JavaScript对象对应的jQuery对象
$(evt.target).parent().remove()
}
function addItem(evt) {
let fname = $('#fname').val().trim()
if (fname.length > 0) {
$('#fruits').append(
// 3. $函数的参数是标签字符串，创建对应的标签元素并返回jQuery对象
$('<li>').text(fname).append(
$('<a>').attr('href', '').text('×')
.on('click', removeItem)
)
)
}
$('#fname').val('')
// jQuery对象通过下标运算或get方法可以获得与之对应的原生JavaScript对象
// input.get(0).focus()
$('#fname')[0].focus()
}
// 2. $函数的参数是选择器字符串，返回对应元素的jQuery对象
$('#fruits a').on('click', removeItem)
$('#ok').on('click', addItem)
$('#fname').on('keydown', (evt) => {
let code = evt.keyCode || evt.which
if (code == 13) {
addItem(evt)
}
})
})
</script>
</body>
</html>
\ No newline at end of file
Day21-30/code/list_by_vue.html 0 → 100644
View file @ cd529ffa
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>动态列表</title>
<style>
* {
margin: 0;
padding: 0;
}
body {
background-color: #000;
color: #fff;
}
#app {
width: 40%;
margin: 20px auto;
}
#fruits>li {
width: 90%;
height: 50px;
background-color: #6ca;
margin: 4px 0;
text-align: center;
font-size: 20px;
list-style-type: none;
line-height: 50px;
}
#fruits>li>a {
float: right;
color: #fff;
text-decoration: none;
margin-right: 10px;
}
#fruits+div {
margin-top: 20px;
}
#fname {
width: 70%;
height: 40px;
color: #fff;
border-radius: 8px;
border: none;
outline: none;
font-size: 20px;
text-align: center;
vertical-align: middle;
background-color: #999;
}
#ok {
width: 19%;
height: 40px;
color: #fff;
background-color: #a45;
border: none;
outline: none;
font-size: 16px;
vertical-align: middle;
}
</style>
</head>
<body>
<div id="app">
<ul id="fruits">
<li v-for="fruit in fruits">
{{ fruit }}
<a href="" @click.prevent="removeItem(fruit)">×</a>
</li>
</ul>
<div>
<input @keydown.enter="addItem()" type="text" id="fname" v-model="fname">
<button id="ok" @click="addItem()">确定</button>
</div>
</div>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
fruits: ['苹果', '香蕉', '榴莲', '火龙果'],
fname: ''
},
methods: {
addItem() {
if (this.fname.trim().length > 0) {
this.fruits.push(this.fname.trim())
}
this.fname = ''
},
removeItem(fruit) {
let index = this.fruits.indexOf(fruit)
if (index >= 0) {
this.fruits.splice(index, 1)
}
}
}
})
</script>
</body>
</html>
\ No newline at end of file
Day91-100/95.使用Django开发项目.md
View file @ cd529ffa
## Django知识点概述
## 使用Django开发项目
> 说明：本文的部分插图来自于《Python项目开发实战》和《精通Django》，这两本书中都包含了对Django框架精彩的讲解，有兴趣的读者可以自行购买阅读。
......
Day91-100/96.软件测试和自动化测试.md
View file @ cd529ffa
## 关于测试
## 软件测试和自动化测试
### 软件测试概述
......
Day91-100/97.电商网站技术要点剖析.md
View file @ cd529ffa
......@@ -812,7 +812,7 @@ HAYSTACK_CONNECTIONS = {
# 引擎配置
'ENGINE': 'haystack.backends.elasticsearch_backend.ElasticsearchSearchEngine',
# 搜索引擎服务的URL
'URL': 'http://1.2.3.4：9200',
'URL': 'http://1.2.3.4:9200',
# 索引库的名称
'INDEX_NAME': 'goods',
},
......
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