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本帖最后由 鸷爱之殇 于 2020-7-10 11:13 编辑
哪个大神能帮忙看一下吗?为什么这段代码一直报错。
这个代码是想利用爬虫获取国家数字植物标本馆中物种的采集地信息。
- # -*- coding: UTF-8 -*-
- import requests
- import json
- import pandas as pd
- import time
- ###筛选植物,从第一个节点得到ID
- def getPlantINFO(name="大叶相思"):
- offset = 0
- ALL =pd.DataFrame()
- json_data={}
- while len(json_data)!=3:
- base_url = "http://www.cvh.ac.cn/cvh6/view/controller/search/spms.php?&taxonName="+name+"&offset=" +str(offset)
- headers = {
- "User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36" ,
- "Cookie":"_pk_ses.1.2cf1=1; _pk_ses.43.2cf1=1; PHPSESSID=6623lkaj0679eo25lmr0okris7; ASPSESSIONIDCCCBDDQC=LFKBJDADMAHAFGMDBOOINCDA; _pk_id.43.2cf1=ae54e87ea20fbba7.1591011679.2.1591174487.1591173253.; _pk_id.1.2cf1=8fad1f8b96701ecc.1591011679.2.1591174487.1591173253."
- }
- response = requests.get(base_url)
- data = response.text
- json_data = json.loads(data)
- if len(json_data)==3:
- continue;
- data_list = json_data['rows']
- mid=pd.DataFrame.from_dict(data_list)
- if offset ==0:
- ALL = mid
- else:
- ALL = ALL.append(mid)
- offset +=30
- print(ALL)
- return ALL
- ###根据ID从第二个节点得到样本INFO
- def getSampleINFO(plantInfo):
- ID = plantInfo["collectionID"].tolist()
- output = pd.DataFrame()
- n = 0
- for i in ID:
- base_url = "http://www.cvh.ac.cn/cvh6/view/controller/search/spms_record.php?id=" + i
- headers = {
- "User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36" ,
- "Cookie":"_pk_ses.1.2cf1=1; _pk_ses.43.2cf1=1; PHPSESSID=6623lkaj0679eo25lmr0okris7; ASPSESSIONIDCCCBDDQC=LFKBJDADMAHAFGMDBOOINCDA; _pk_id.43.2cf1=ae54e87ea20fbba7.1591011679.2.1591174487.1591173253.; _pk_id.1.2cf1=8fad1f8b96701ecc.1591011679.2.1591174487.1591173253."
- }
- response = requests.get(base_url)
- data = response.text
- json_data = json.loads(data)
- data_list = json_data['rows']
- list = [data_list]
- mid=pd.DataFrame.from_dict(list)
- if n ==0:
- output = mid
- else:
- output =output.append(mid)
- n+=1
- time.sleep(0.5) #######查询一个样本后延迟0.5s
- return output
- def main(name=["大叶相思"]):
- outputPath = "E:/test"
- for i in name:
- test = getPlantINFO(name=i)
- output = getSampleINFO(test)
- output.to_csv(outputPath+i+".csv",index=False)
- print(i+"查询结束")
- time.sleep(2)##########查询一个植物后延迟2s
- listOfPlants = ["大叶相思","阿拉伯婆婆纳"] #需要在这里加上你要的植物的list
- main(listOfPlants)
复制代码
两个网址path里,都去掉/cvh6/view,另外循环访问间隔时间0.5秒太短,容易获取失败
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