python基础(五)——CGI编程

使用python实现get方法和post方法传值,多选按钮,单选按钮、文本编辑区、下拉列表数据的传递,cookie的设置文件上传,文件下载。本文未经整理,仅供参考

#!/usr/bin/python
# -*- coding: UTF-8 -*-

print "Content-type:text/html"
print                               # 空行,告诉服务器结束头部
print '<html>'
print '<head>'
print '<meta charset="utf-8">'
print '<title>Hello Word - 我的第一个 CGI 程序!</title>'
print '</head>'
print '<body>'
print '<h2>Hello Word! 我是来自菜鸟教程的第一CGI程序</h2>'
print '</body>'
print '</html>'

开启httpd服务器后,可以直接把该文件放到网站目录下,浏览器访问会正常显示该页面

//网页传值
//test.html代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<form action="/cgi-bin/hello_get.py" method="get">
站点名称: <input type="text" name="name">  <br />
站点 URL: <input type="text" name="url" />
<input type="submit" value="提交" />
</form>
</body>
</html>

//hello_get.py代码
#!/usr/bin/python
# -*- coding: UTF-8 -*-
# filename:test.py
# CGI处理模块
import cgi, cgitb 
# 创建 FieldStorage 的实例化
form = cgi.FieldStorage() 
# 获取数据
site_name = form.getvalue('name')
site_url  = form.getvalue('url')
print "Content-type:text/html"
print
print "<html>"
print "<head>"
print "<meta charset="utf-8">"
print "<title>菜鸟教程 CGI 测试实例</title>"
print "</head>"
print "<body>"
print "<h2>%s官网:%s</h2>" % (site_name, site_url)
print "</body>"
print "</html>"

//如果想把上面的get方法修改为post方法,只需要把get改为post,后一种方法更加安全,不会在网址那里显示出密码

//传递checkbox数据
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<form action="/cgi-bin/checkbox.py" method="POST" target="_blank">
<input type="checkbox" name="runoob" value="on" /> 菜鸟教程
<input type="checkbox" name="google" value="on" /> Google
<input type="submit" value="选择站点" />
</form>
</body>
</html>

#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 引入 CGI 处理模块 
import cgi, cgitb 

# 创建 FieldStorage的实例 
form = cgi.FieldStorage() 

# 接收字段数据
if form.getvalue('google'):
   google_flag = "是"
else:
   google_flag = "否"

if form.getvalue('runoob'):
   runoob_flag = "是"
else:
   runoob_flag = "否"

print "Content-type:text/html"
print
print "<html>"
print "<head>"
print "<meta charset="utf-8">"
print "<title>菜鸟教程 CGI 测试实例</title>"
print "</head>"
print "<body>"
print "<h2> 菜鸟教程是否选择了 : %s</h2>" % runoob_flag
print "<h2> Google 是否选择了 : %s</h2>" % google_flag
print "</body>"
print "</html>"

//传递radio数据
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<form action="/cgi-bin/radiobutton.py" method="post" target="_blank">
<input type="radio" name="site" value="runoob" /> 菜鸟教程
<input type="radio" name="site" value="google" /> Google
<input type="submit" value="提交" />
</form>
</body>
</html>

#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 引入 CGI 处理模块 
import cgi, cgitb 

# 创建 FieldStorage的实例 
form = cgi.FieldStorage() 

# 接收字段数据
if form.getvalue('site'):
   site = form.getvalue('site')
else:
   site = "提交数据为空"

print "Content-type:text/html"
print
print "<html>"
print "<head>"
print "<meta charset="utf-8">"
print "<title>菜鸟教程 CGI 测试实例</title>"
print "</head>"
print "<body>"
print "<h2> 选中的网站是 %s</h2>" % site
print "</body>"
print "</html>"

//传递Textarea数据
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<form action="/cgi-bin/textarea.py" method="post" target="_blank">
<textarea name="textcontent" cols="40" rows="4">
在这里输入内容...
</textarea>
<input type="submit" value="提交" />
</form>
</body>
</html>

#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 引入 CGI 处理模块 
import cgi, cgitb 

# 创建 FieldStorage的实例 
form = cgi.FieldStorage() 

# 接收字段数据
if form.getvalue('textcontent'):
   text_content = form.getvalue('textcontent')
else:
   text_content = "没有内容"

print "Content-type:text/html"
print
print "<html>"
print "<head>";
print "<meta charset="utf-8">"
print "<title>菜鸟教程 CGI 测试实例</title>"
print "</head>"
print "<body>"
print "<h2> 输入的内容是:%s</h2>" % text_content
print "</body>"
print "</html>"

//传递下拉数据
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<form action="/cgi-bin/dropdown.py" method="post" target="_blank">
<select name="dropdown">
<option value="runoob" selected>菜鸟教程</option>
<option value="google">Google</option>
</select>
<input type="submit" value="提交"/>
</form>
</body>
</html>

#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 引入 CGI 处理模块 
import cgi, cgitb 

# 创建 FieldStorage的实例 
form = cgi.FieldStorage() 

# 接收字段数据
if form.getvalue('dropdown'):
   dropdown_value = form.getvalue('dropdown')
else:
   dropdown_value = "没有内容"

print "Content-type:text/html"
print
print "<html>"
print "<head>"
print "<meta charset="utf-8">"
print "<title>菜鸟教程 CGI 测试实例</title>"
print "</head>"
print "<body>"
print "<h2> 选中的选项是:%s</h2>" % dropdown_value
print "</body>"
print "</html>"


//cookie的设置
#!/usr/bin/python
# -*- coding: UTF-8 -*-
# 
print 'Content-Type: text/html'
print 'Set-Cookie: name="菜鸟教程";expires=Wed, 28 Aug 2016 18:30:00 GMT'
print
print """
<html>
    <head>
        <meta charset="utf-8">
        <title>菜鸟教程(runoob.com)</title>
    </head>
    <body>
        <h1>Cookie set OK!</h1>
    </body>
</html>
"""



#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 导入模块
import os
import Cookie

print "Content-type: text/html"
print

print """
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<h1>读取cookie信息</h1>
"""

if 'HTTP_COOKIE' in os.environ:
    cookie_string=os.environ.get('HTTP_COOKIE')
    c=Cookie.SimpleCookie()
    c.load(cookie_string)

    try:
        data=c['name'].value
        print "cookie data: "+data+"<br>"
    except KeyError:
        print "cookie 没有设置或者已过去<br>"
print """
</body>
</html>

"""


//文件上传
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
 <form enctype="multipart/form-data" 
                     action="/cgi-bin/save_file.py" method="post">
   <p>选中文件: <input type="file" name="filename" /></p>
   <p><input type="submit" value="上传" /></p>
   </form>
</body>
</html>


#!/usr/bin/python
# -*- coding: UTF-8 -*-

import cgi, os
import cgitb; cgitb.enable()

form = cgi.FieldStorage()

# 获取文件名
fileitem = form['filename']

# 检测文件是否上传
if fileitem.filename:
   # 设置文件路径 
   fn = os.path.basename(fileitem.filename)       //linux和unix系统需要把这句修改为fn = os.path.basename(fileitem.filename.replace("\", "/" ))
   open('/tmp/' + fn, 'wb').write(fileitem.file.read())

   message = '文件 "' + fn + '" 上传成功'

else:
   message = '文件没有上传'

print """
Content-Type: text/html

<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
   <p>%s</p>
</body>
</html>
""" % (message,)


//文件下载
#!/usr/bin/python
# -*- coding: UTF-8 -*-

# HTTP 头部
print "Content-Disposition: attachment; filename="foo.txt"";
print
# 打开文件
fo = open("foo.txt", "rb")

str = fo.read();
print str

# 关闭文件
fo.close()
原文地址:https://www.cnblogs.com/biaopei/p/7730578.html