python接口自动化16-multipart/form-data上传多个附件 / 开普饭

前言

reuqests上传一张图片到服务器，前面已经介绍过了，那么如何在提交BUG的时候，上传附件呢？
上传附件的时候，文件的name参数名称是一样的，python里面key是不可以重复的，又如何处理参数名称相同的情况？

一、上传附件

1.以禅道提交BUG的时候上传附件为例

2.fiddler抓包看请求参数，查看到文件上传的参数如下

二、上传一个附件
1.之前学了一篇ultipart/form-data文件上传，然后学了一篇ultipart/form-data表单提交，这里文件上传，就是把两篇的知识点加起来

2.把参数分开，表单的数据用data提交，文件附件用files提交

```
# -----------------------前面先登录步骤省略了-------------
# 提交bug, 带上附件
url1 = host+"/zentao/bug-create-1-0-moduleID=0.html"
d= {
 "product": "1",
 "module": "0",
 "project": "",
 "openedBuild[]": "trunk",
 "assignedTo": "admin",
 "type": "codeerror",
 "os": "all",
 "browser": "all",
 "color": "",
 "title": "yoyoketang-这是一个带附件的1",
 "severity": "3",
 "pri": "0",
 "steps": '[步骤]\
 1、第一步点\
 2、第二步点\
 3、点三步点\
 [结果]\
 <img src="data/upload/1/201712/072254170557cdn.png" alt="" />\
 [期望]',
 "story": "0",
 "task": "0",
 "mailto[]": "",
 "keywords": "",
 # "files[]": ("1.png", open("d:\\1.png", "rb"), "image/png"),
 # "labels[]": "tu1",
 "uid": "5a2955c884f98",
 "case": "0",
 "caseVersion": "0",
 "result": "0",
 "testtask": "0"
 }

file = {
   "files[]": ("1.png", open("d:\\1.png", "rb"), "image/png"),
    "labels[]": "tu1",
    }
r = s.post(url1, data=d, files=file) # 分开传
print r.content

```

三、传多个附件

1.传多个文件的时候如下，这两个参数的name都是一样的，如果用字典去传key值，很显然python的key值是不能重复的

Content-Disposition: form-data; name="files[]"; filename="1.png"
Content-Type: image/png

Content-Disposition: form-data; name="files[]"; filename="2.png"
Content-Type: image/png

2.这时候需要换个格式，传list数据
```
# file = {
#    "files[]": ("1.png", open("d:\\1.png", "rb"), "image/png"),
#     "labels[]": "tu1",
#     }

#-------------多个文件用list类型------------
file = [
    ("files[]", ("2.png", open("d:\\1.png", "rb"), "image/png")),
    ("labels[]", "tu1"),
    ("files[]", ("2.png", open("d:\\2.png", "rb"), "image/png")),
    ("labels[]", "tu2"),
    ]
```

3.上传之后，查看禅道上是可以提交成功的

四、参考代码
```
# coding:utf-8
import requests

base = 'http://127.0.0.1:81' # 禅道的服务器地址

loginUrl = base+"/zentao/user-login.html"

h = {
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0",
    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
    "Accept-Language": "zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3",
    "Accept-Encoding": "gzip, deflate",
    "Referer": base+"/zentao/user-login.html",
    # "Cookie": # 头部没登录前不用传cookie，因为这里cookie就是保持登录的
    "Connection": "keep-alive",
    "Content-Type": "application/x-www-form-urlencoded",
    }

body = {"account":"admin",
        "password":"e10adc3949ba59abbe56e057f20f883e",
        "keepLogin[]":"on",
        "referer":base+"/zentao/my/"
        }

s = requests.session() # 保持会话
r = s.post(loginUrl, data=body, headers=h)
print r.content # 打印结果看到location='http://127.0.0.1/zentao/my/'说明登录成功了

# 提交bug, 带上附件
url1 = base+"/zentao/bug-create-1-0-moduleID=0.html"
f = {
 "product": "1",
 "module": "0",
 "project": "",
 "openedBuild[]": "trunk",
 "assignedTo": "admin",
 "type": "codeerror",
 "os": "all",
 "browser": "all",
 "color": "",
 "title": "yoyoketang-这是一个带附件的1和2",
 "severity": "3",
 "pri": "0",
 "steps": '[步骤]\
 1、第一步点\
 2、第二步点\
 3、点三步点\
 [结果]\
 <img src="data/upload/1/201712/072254170557cdn.png" alt="" />\
 [期望]',
 "story": "0",
 "task": "0",
 "mailto[]": "",
 "keywords": "",
 # "files[]": ("1.png", open("d:\\1.png", "rb"), "image/png"),
 # "labels[]": "tu1",
 "uid": "5a2955c884f98",
 "case": "0",
 "caseVersion": "0",
 "result": "0",
 "testtask": "0"
 }

# file = {
#    "files[]": ("1.png", open("d:\\1.png", "rb"), "image/png"),
#     "labels[]": "tu1",
#     }

r = s.post(url1, data=f, files=file)
print r.content

```

python接口自动化16-multipart/form-data上传多个附件

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