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从0开始python后端开发_前端(html)向后端(python)传递数据_GET_POST

2018-02-24 10:10 891 查看
关于POST和GET的请求方法和区别请参考:HTTP协议下GET与POST的区别
GET方法
首先先使用html简单编写一个表单页面
代码如下:<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GET方法传递数据(runoob.com)</title>
</head>
<body>
<form action="/cgi-bin/backend_get.py" method="get">
数据值1: <input type="text" name="data_1"> <br />
数据值2: <input type="text" name="data_2" />
<input type="submit" value="GET提交" />
</form>
</body>
</html>运行示列:



后端python代码:
backend_get.py
#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 添加GI处理模块
import cgi, cgitb

# 创建FieldStorage的实例化
form = cgi.FieldStorage()
#获取html页面传递过来的数据值
str_data_1  =  form.getvalue('data_1')
str_data_2  =  form.getvalue('data_2')
#打印输出
print "Content-type:text/html"
print
print "<html>"
print "<head>"
print "<meta charset=\"utf-8\">"
print "<title>GET</title>"
print "</head>"
print "<body>"
print "<h2>data_1:%s,data_2:%s</h2>" % (str_data_1, str_data_2)
print "</body>"
print "</html>"


写完之后别忘记给python脚本加上运行权限
别忘记sudosudo chmod 755 backend_get.py运行示列:
前端:



请求url:/cgi-bin/baeckend_get.py?data_1=test_1&data_2=test_2后端输出:data_1:test_1,data_2:test_2POST方法:
表单代码只需要copy一份然后修改method属性值改为post即可<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>POST方法传递数据(runoob.com)</title>
</head>
<body>
<form action="/cgi-bin/hello_get.py" method="post">
数据值1: <input type="text" name="data_1"> <br />
数据值2: <input type="text" name="data_2" />
<input type="submit" value="POST提交" />
</form>
</bod
4000
y>
</html>后端代码无需变更直接copy一份即可,将名字改为backend_post,py,无需给权限,copy会连同文件权限一并复制!#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 添加GI处理模块
import cgi, cgitb

# 创建FieldStorage的实例化
form = cgi.FieldStorage()
#获取html页面传递过来的数据值
str_data_1 = form.getvalue('data_1')
str_data_2 = form.getvalue('data_2')
#打印输出
print "Content-type:text/html"
print
print "<html>"
print "<head>"
print "<meta charset=\"utf-8\">"
print "<title>POST</title>"
print "</head>"
print "<body>"
print "<h2>data_1:%s,data_2:%s</h2>" % (str_data_1, str_data_2)
print "</body>"
print "</html>"运行示列:



url:/cgi-bin/baeckend_get.py后端输出data_1:test_1,data_2:test_2
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