PRA2020.4 平台 API 接口调用

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1. 适用版本
   适用于RPA2020.4以及以上版本，

2. 接口 API 手册
   调用方式及字段，请参考论坛手册：

暂未在论坛公开，请向当地厂商技术索取

3. Python 调用代码
   如果想用机器人来调 API 接口，可参考以下代码，其它语言逻辑一样:

import json
import timeimport requestsfrom urllib import parseimport hmacimport base64from hashlib import sha256def rpa_rest_2020_4(host=’’,rest_type=’’,data_json=None,mode=’’,port=443,accesstoken=None,retry=2):
‘’’
host:地址，str型，示例：‘https://192.168.202.11’
rest_type:str型，接口类型，示例：’/oapi/v1/job/create’
data_json:字典型，发送的报文数据json格式
mode:接口请求方式（get、post、delete及put）
port:int型，https端口
retry:int型，重试次数
返回值：get_field_json:字典型，
‘’’
get_field_json={‘code’: 40, ‘msg’: ‘fail,意外情况’,‘result’:None}
#url参数转换 def json2Params(data_json): get_field_json={‘code’: 41, ‘msg’: ‘fail,转换URL参数失败！’,‘result’:None}
try: data_json=json.loads(data_json) url_str = ‘’
nums = 0
max_nums = len(data_json)
for key in data_json:
nums += 1
if nums == max_nums:
url_str += str(key) + ‘=’ + str(data_json[key])
else:
url_str += str(key) + ‘=’ + str(data_json[key]) + ‘&’
except Exception as e: print(‘参数转化失败：’,e)
url_str=’’
finally: return url_str
if mode != ‘get’ and mode != ‘put’ and mode != ‘post’ and mode != ‘delete’:
get_field_json={‘code’: 42, ‘msg’: ‘fail,mode错误,只能为get、put、post或delete！’,‘result’:None}
return get_field_json
#获得签名sign sign = ‘’
sign_yc = ‘’
url = host if port != 443:
url = url + ‘:’ + str(port)
url += rest_type timestamp = None #获取签名值sign： try: get_field_json={‘code’: 41, ‘msg’: ‘fail,获取签名失败！’,‘result’:None}
#获得毫秒级时间戳（时间出入不能大于10分钟）
timestamp=str(int(round(time.time() * 1000)))
#处理json数据不为str类型的情况 for key in data_json:
data_json[key]=str(data_json[key]) #json排序 data_json=json.dumps(data_json,sort_keys=True) #构造源串sign_yc if mode == ‘get’:
json_str=json2Params(data_json) sign_yc=json_str + ‘&token=’ + accesstoken + ‘×tamp=’ + timestamp
url = url+’?’+json_str
else:
sign_yc=str(data_json) + ‘&token=’ + accesstoken + ‘×tamp=’ + timestamp
print(‘源串：’,sign_yc)
print(‘URL:’,url)
#URL编码 url_bm = parse.quote(sign_yc, encoding=“utf-8”)
#sha256加密密码 byte_key = bytes(accesstoken, encoding=“utf-8”)
byte_url_bm = bytes(url_bm, encoding=“utf-8”)
hn256 = hmac.new(byte_key, byte_url_bm, digestmod=sha256) hh256 = hn256.hexdigest() #Base64编码 bb64 = base64.b64encode(bytes(hh256, encoding=“utf-8”))
#获取sign sign = str(bb64, “utf-8”)
#替换\r\n sign=sign.replace(’\r\n’, ‘’)
print(‘签名值sign：’,sign)
except Exception as e: print(e)
return get_field_json
#开始尝试发送API print(‘开始尝试发送API’)
for count in range(retry):
print(‘尝试第’,count+1,‘次API请求任务。’)
try: print(‘开始尝试:’,mode)
#post、delete、put if mode!=‘get’:
header_dict = {‘Content-Type’: ‘application/json;charset=UTF-8’,‘accesstoken’:accesstoken,‘timestamp’:timestamp,‘signature’:sign}
if mode==‘post’:
if rest_type == ‘/oapi/v1/job/create’:
header_dict = {‘Content-Type’: ‘application/x-www-form-urlencoded;charset=UTF-8’,‘accesstoken’:accesstoken,‘timestamp’:timestamp,‘signature’:sign}
json_str=json2Params(data_json) url = url+’?’+json_str
res = requests.post(url, data=str(data_json), headers=header_dict,verify=False) else:
json_str=json2Params(data_json) url = url+’?’+json_str
header_dict = {‘Content-Type’: ‘application/x-www-form-urlencoded;charset=UTF-8’,‘accesstoken’:accesstoken,‘timestamp’:timestamp,‘signature’:sign}
res = requests.post(url, data=str(data_json), headers=header_dict,verify=False) if mode==‘put’:
res = requests.put(url, data=str(data_json), headers=header_dict,verify=False) if mode==‘delete’:
res = requests.delete(url, data=str(data_json), headers=header_dict,verify=False) if mode==‘get’:
header_dict = {‘accesstoken’:accesstoken,‘timestamp’:timestamp,‘signature’:sign}
res = requests.get(url,headers=header_dict,verify=False) #获取返回值 res_text=res.text #转化成json get_field_json=json.loads(res_text) print(‘请求成功！’)
break
except Exception as e: print(‘请求失败：’,e)
get_field_json={‘code’: 40, ‘msg’: ‘fail,发送API失败！’,‘result’:None}
return get_field_json
def get_token(host=’’,port=’’,accessKey=’’,secretKey=’’,retry=2):
‘’’
host:地址，str型，示例：‘https://192.168.202.11’
port:int型，https端口
accessKey:str型，服务平台应用AppKey
secretKey:str型，服务平台应用AppSecret
retry:int型，重试次数
‘’’
get_field_json={‘code’: 44, ‘msg’: ‘fail,获取token失败’,‘result’:None}
for i in range(retry):
try: url = host if port != 443:
url = url + ‘:’ + str(port)
json_str=‘accessKey=’+accessKey+’&secretKey=’+secretKey
url = url+’/oapi/v1/token?’+json_str
res = requests.get(url,verify=False) res_text=res.text #转化成json get_field_json=json.loads(res_text) print(‘获取token，第’+str(i+1)+‘次，成功’)
break
except Exception as e: print(‘获取token，第’+str(i+1)+‘次，失败’,e)
time.sleep(1)
return get_field_json
def refresh_token(host=’’,port=’’,refleshtoken=’’,retry=2):
‘’’
host:地址，str型，示例：‘https://192.168.202.11’
port:int型，https端口
refleshtoken:str型，刷新token
retry:int型，重试次数
‘’’
get_field_json={‘code’: 44, ‘msg’: ‘fail,刷新token失败’,‘result’:None}
for i in range(retry):
try: url = host if port != 443:
url = url + ‘:’ + str(port)
json_str=‘refreshToken=’+refleshtoken
url = url+’/oapi/v1/token?’+json_str
res = requests.get(url,verify=False) res_text=res.text #转化成json get_field_json=json.loads(res_text) print(‘刷新token，第’+str(i+1)+‘次，成功’)
break
except Exception as e: print(‘刷新token，第’+str(i+1)+‘次，失败’,e)
time.sleep(1)
return get_field_json
4. 其它平台或客户端调用
4.1 其它平台调用
按照第 4 章的逻辑自行写调用代码即可。

4.2 机器人调用
按照第 4 章添加一个全局函数，在需要调用的地方使用全局函数控件即可。

注：需要提前获取token后调用，如无第三方平台对接，获取的token可存在共享变量里，分配权限调用，参考下图：

PRA2020.4 平台 API 接口调用