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如何使用Python如何使用Python上的商品詳情信息。通過本教程，讀者將學(xué)會使用Python的請求庫和解析庫來爬取商品數(shù)據(jù)。

簡介

環(huán)境準備

編寫爬蟲代碼

處理和存儲數(shù)據(jù)

快速獲取

遵守法律法規(guī)和網(wǎng)站政策

1. 簡介

1688是中國領(lǐng)先的B2B電子商務(wù)平臺，提供海量的商品信息。指導(dǎo)你如何使用Python來獲取這些商品的詳細信息。

2. 環(huán)境準備

Python 3.x

網(wǎng)絡(luò)請求庫：requests

HTML解析庫：BeautifulSoup

可選：pandas用于數(shù)據(jù)處理和lxml作為BeautifulSoup的解析器

安裝所需庫：

pip install requests beautifulsoup4 pandas lxml

3. 編寫爬蟲代碼

3.1 請求網(wǎng)頁

首先，你需要使用requests庫來發(fā)送HTTP請求，獲取商品頁面的HTML內(nèi)容。

import requests def get_page(url): headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3' } response = requests.get(url, headers=headers) return response.text

3.2 解析HTML

使用BeautifulSoup來解析獲取到的HTML內(nèi)容，提取商品的詳細信息。

from bs4 import BeautifulSoup def parse_page(html): soup = BeautifulSoup(html, 'lxml') # 假設(shè)商品名稱在

標簽中 title = soup.find('h1').text # 假設(shè)商品價格在標簽中 price = soup.find('span', class_='price').text # 其他信息按需提取 # ... return { 'title': title, 'price': price, # ... }

3.3 整合代碼

將上述功能整合到一個函數(shù)中，實現(xiàn)自動化爬取。

def fetch_product_details(url): html = get_page(url) product_details = parse_page(html) return product_details

4. 處理和存儲數(shù)據(jù)

使用pandas庫來處理和存儲爬取的數(shù)據(jù)。

import pandas as pd def save_to_csv(data, filename): df = pd.DataFrame([data]) df.to_csv(filename, index=False, encoding='utf-8')

5.快速獲取商品詳情

快速獲取1688商品詳情

java（請求源碼）

————————————————————

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.Reader;

import java.net.URL;

import java.nio.charset.Charset;

import org.json.JSONException;

import org.json.JSONObject;

import java.io.PrintWriter;

import java.net.URLConnection;

public class Example {

private static String readAll(Reader rd) throws IOException {

StringBuilder sb = new StringBuilder();

int cp;

while ((cp = rd.read()) != -1) {

sb.append((char) cp);

}

return sb.toString();

}

public static JSONObject postRequestFromUrl(String url, String body) throws IOException, JSONException {

URL realUrl = new URL(url);

URLConnection conn = realUrl.openConnection();

conn.setDoOutput(true);

conn.setDoInput(true);

PrintWriter out = new PrintWriter(conn.getOutputStream());

out.print(body);

out.flush();

InputStream instream = conn.getInputStream();

try {

BufferedReader rd = new BufferedReader(new InputStreamReader(instream, Charset.forName("UTF-8")));

String jsonText = readAll(rd);

JSONObject json = new JSONObject(jsonText);

return json;

} finally {

instream.close();

}

public static JSONObject getRequestFromUrl(String url) throws IOException, JSONException {

URL realUrl = new URL(url);

URLConnection conn = realUrl.openConnection();

InputStream instream = conn.getInputStream();

try {

BufferedReader rd = new BufferedReader(new InputStreamReader(instream, Charset.forName("UTF-8")));

String jsonText = readAll(rd);

JSONObject json = new JSONObject(jsonText);

return json;

} finally {

instream.close();

}

public static void main(String[] args) throws IOException, JSONException {

// 請求示例 url 默認請求參數(shù)已經(jīng)URL編碼處理

String url = "https://api-gw.onebound.cn/1688/item_get/?key=<您自己的apiKey>&secret=<您自己的apiSecret>&num_iid=610947572360";

JSONObject json = getRequestFromUrl(url);

System.out.println(json.toString());

}

————————————————————

快速獲取key和秘鑰：https://o0b.cn/lin

返回商品格式

————————————————————

{

"item":{

"num_iid":601824709263,

"title":"韓版仿兔毛圍巾秋冬毛毛圍巾學(xué)生毛毛絨圍脖冬季女套頭防寒戶外",

"desc_short":"",

"price":"2.2",

"total_price":0,

"suggestive_price":0,

"orginal_price":"2.2",

"nick":"_sopid@BBBEbRNm7OS0uGCXPJucMBy2w",

"num":3786174,

"min_num":2,

"detail_url":"https://detail.1688.com/offer/601824709263.html",

"pic_url":"https://cbu01.alicdn.com/img/ibank/11921650503_1818272533.jpg",

"brand":"",

"brandId":"",

"rootCatId":0,

"cid":325,

"crumbs":[

"created_time":"",

"modified_time":"",

"delist_time":"",

"desc":"

材質(zhì)：雙面仿兔毛毛絨面料，

不掉毛（不是薄薄的單面哦）

厚款3.39元

普通款2.38元

每條圍巾都是獨立OPP袋子包裝，放心選購！

現(xiàn)貨供應(yīng)，廠家直銷，沒有中間商賺差價，有大量可以談價，有量有價

（抖音，快手，直播電商福利品，天貓，淘寶，PDD，跨境電商供應(yīng)商）

這款圍巾是不掉毛的，有些激光高溫裁剪殘留的浮毛，抖抖就好了哦。

此圖拉拉袋包裝的為客戶定做款（大貨是OPP透明袋獨立包裝）
O1CN01kFnNOl1MP9H5642lo_!!2272041426.jpg

..........

i.php?t.png&rid=gw-4.65990d0ea4c43&p=1778786759&k=92716&t=1704529167 ",

"desc_img":[

"https://cbu01.alicdn.com/img/ibank/O1CN01emutXa27pyd6vYZzm_!!2206475177847-0-cib.jpg",

"https://file1.elecfans.com/web3/M00/2E/96/wKgZO2i_nCOAF0iuAAFOLd1ZnWU225.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/TB2lZSUX7iHJuJjSZFjXXcGvXXa_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i2/2272041426/TB2rvmVXYSGJuJjSZFqXXXo2pXa_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/O1CN01EKuyER1MP9LVqRODf_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/O1CN01fH7zeu1MP9LXYMDb9_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/O1CN01o03kWB1MP9LUPh2vD_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i4/2272041426/O1CN01zAl3p11MP9LTi5nZh_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/O1CN01Zv9KBT1MP9LUIKRow_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/O1CN01VlbKPj1MP9LU0NVFN_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i4/2272041426/O1CN01MjaoVZ1MP9LTiFjny_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i4/2272041426/O1CN01junsnm1MP9LX5bOdM_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i2/2272041426/O1CN014Dv2oq1MP9LU0KgIb_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i4/2272041426/O1CN01jNA7KZ1MP9LUHdDBF_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/O1CN01JZW4Hn1MP9LUHd91D_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i3/2272041426/O1CN01nSbj2H1MP9LVqZ2mg_!!2272041426.jpg",

"https://img.alicdn.com/imgextra/i4/2272041426/O1CN01HmPSpT1MP9LSDyrsr_!!2272041426.jpg"

"item_imgs":[

{

"url":"https://cbu01.alicdn.com/img/ibank/11921650503_1818272533.jpg"

{

"url":"https://cbu01.alicdn.com/img/ibank/11921665153_1818272533.jpg"

{

"url":"https://cbu01.alicdn.com/img/ibank/11884953047_1818272533.jpg"

{

"url":"https://cbu01.alicdn.com/img/ibank/11954549050_1818272533.jpg"

{

"url":"https://cbu01.alicdn.com/img/ibank/12483429103_1818272533.jpg"

}

"item_weight":"",

"item_size":"",

"location":"浙江省金華市",

"post_fee":"",

"express_fee":"",

"ems_fee":"",

"shipping_to":"",

"has_discount":"",

"video":"https://cloud.video.taobao.com/play/u/2206475177847/p/1/e/6/t/1/238604472723.mp4",

"is_virtual":"",

"sample_id":"",

"is_promotion":"",

"props_name":"0:0:顏色:紅色;0:1:顏色:黑色;0:2:顏色:白色;0:3:顏色:灰色;0:4:顏色:杏色;0:5:顏色:粉色;0:6:顏色:咖啡色;0:7:顏色:米色;0:8:顏色:卡其色",

"prop_imgs":{

"prop_img":[

{

"properties":"0:0",

"url":"https://cbu01.alicdn.com/img/ibank/11884977080_1818272533.jpg"

{

"properties":"0:1",

"url":"https://cbu01.alicdn.com/img/ibank/11954549680_1818272533.jpg"

{

"properties":"0:2",

"url":"https://cbu01.alicdn.com/img/ibank/11921650503_1818272533.jpg"

{

"properties":"0:3",

"url":"https://cbu01.alicdn.com/img/ibank/11921680795_1818272533.jpg"

{

"properties":"0:4",

"url":"https://cbu01.alicdn.com/img/ibank/11954549050_1818272533.jpg"

{

"properties":"0:5",

"url":"https://cbu01.alicdn.com/img/ibank/11921689268_1818272533.jpg"

{

"properties":"0:6",

"url":"https://cbu01.alicdn.com/img/ibank/11954552765_1818272533.jpg"

{

"properties":"0:7",

"url":"https://cbu01.alicdn.com/img/ibank/O1CN01PtW77W27pyekEhcAt_!!2206475177847-0-cib.jpg"

{

"properties":"0:8",

"url":"https://cbu01.alicdn.com/img/ibank/O1CN01t2Q1ci27pyjXB0fxo_!!2206475177847-0-cib.jpg"

}

]

"property_alias":"0:0:紅色;0:1:黑色;0:2:白色;0:3:灰色;0:4:杏色;0:5:粉色;0:6:咖啡色;0:7:米色;0:8:卡其色",

"props":[

{

"name":"品牌",

"value":"高著"

{

"name":"編織方法",

"value":"經(jīng)編"

{

"name":"功能",

"value":"保暖"

{

"name":"適合季節(jié)",

"value":"冬季"

{

"name":"貨號",

"value":"WJ618"

{

"name":"產(chǎn)地",

"value":"浙江義烏"

{

"name":"款式",

"value":"中長"

{

"name":"顏色",

"value":"紅色"

{

"name":"顏色",

"value":"黑色"

{

"name":"顏色",

"value":"白色"

{

"name":"顏色",

"value":"灰色"

{

"name":"顏色",

"value":"杏色"

{

"name":"顏色",

"value":"粉色"

{

"name":"顏色",

"value":"咖啡色"

{

"name":"顏色",

"value":"米色"

{

"name":"顏色",

"value":"卡其色"

{

"name":"主要下游平臺",

"value":"淘寶"

{

"name":"主要下游平臺",

"value":"京東"

{

"name":"主要下游平臺",

"value":"ebay"

{

"name":"主要下游平臺",

"value":"亞馬遜"

{

"name":"主要下游平臺",

"value":"wish"

{

"name":"主要下游平臺",

"value":"快手"

{

"name":"主要下游平臺",

"value":"速賣通"

{

"name":"主要下游平臺",

"value":"天貓"

{

"name":"主要下游平臺",

"value":"獨立站"

{

"name":"主要下游平臺",

"value":"LAZADA"

{

"name":"主要下游平臺",

"value":"拼多多"

{

"name":"主要下游平臺",

"value":"抖音"

{

"name":"有可授權(quán)的自有品牌",

"value":"否"

{

"name":"是否跨境出口專供貨源",

"value":"是"

{

"name":"上市年份/季節(jié)",

"value":"2021年秋季"

{

"name":"寬度(CM)",

"value":"12cm"

{

"name":"風(fēng)格",

"value":"百搭"

{

"name":"風(fēng)格",

"value":"優(yōu)雅"

{

"name":"風(fēng)格",

"value":"極簡"

{

"name":"風(fēng)格",

"value":"休閑風(fēng)"

{

"name":"風(fēng)格",

"value":"時尚OL"

{

"name":"風(fēng)格",

"value":"簡約"

{

"name":"風(fēng)格",

"value":"歐美"

{

"name":"風(fēng)格",

"value":"輕奢風(fēng)"

{

"name":"風(fēng)格",

"value":"chic風(fēng)"

{

"name":"風(fēng)格",

"value":"高級感"

{

"name":"面料名稱",

"value":"毛絨"

{

"name":"風(fēng)格分類",

"value":"時尚通勤"

{

"name":"處理工藝",

"value":"經(jīng)編"

{

"name":"流行元素分類",

"value":"無"

}

"total_sold":3786174,

"skus":{

"sku":[

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:0",

"properties_name":"0:0:顏色:紅色",

"quantity":0,

"sku_id":5330445855404,

"spec_id":"87b07b1e746bd546e97a0f5888726ae3"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:1",

"properties_name":"0:1:顏色:黑色",

"quantity":0,

"sku_id":5330445855410,

"spec_id":"e664b2e7c4adae52d35767f51a9219f6"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:2",

"properties_name":"0:2:顏色:白色",

"quantity":0,

"sku_id":5330445855398,

"spec_id":"18dc5ba8c7dc3df0eb8b731977df2372"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:3",

"properties_name":"0:3:顏色:灰色",

"quantity":8020,

"sku_id":5330445855408,

"spec_id":"05808df6001a6ffa6fa13ae7df588b36"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:4",

"properties_name":"0:4:顏色:杏色",

"quantity":0,

"sku_id":5330445855412,

"spec_id":"1ab2b4cd3cc2b51ed4055978ca4b8579"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:5",

"properties_name":"0:5:顏色:粉色",

"quantity":0,

"sku_id":5330445855402,

"spec_id":"7a394d5d7d8560fae263cd2ffe9ee444"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:6",

"properties_name":"0:6:顏色:咖啡色",

"quantity":0,

"sku_id":5330445855396,

"spec_id":"423651c0792f75de75484ae9bd5fe535"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:7",

"properties_name":"0:7:顏色:米色",

"quantity":0,

"sku_id":5330445855400,

"spec_id":"45b9c574ac45662aba79f2cb72d20112"

{

"price":4.99,

"total_price":4.99,

"orginal price":4.99,

"properties":"0:8",

"properties_name":"0:8:顏色:卡其色",

"quantity":0,

"sku_id":5330445855406,

"spec_id":"f7931f4b9892a8c41b76205cb1d50627"

}

]

"seller_id":null,

"sales":0,

"shop_id":null,

"props_list":{

"0:0":"顏色:紅色",

"0:1":"顏色:黑色",

"0:2":"顏色:白色",

"0:3":"顏色:灰色",

"0:4":"顏色:杏色",

"0:5":"顏色:粉色",

"0:6":"顏色:咖啡色",

"0:7":"顏色:米色",

"0:8":"顏色:卡其色"

"seller_info":{

"nick":null,

"user_num_id":null,

"sid":null,

"title":null,

"zhuy":null,

"shop_name":null

"tmall":"false",

"error":"",

"warning":"",

"url_log":[

"unit":null,

"is_support_mix":null,

"mix_amount":null,

"mix_begin":null,

"mix_number":null,

"priceRange":[

[

"2.2"

]

"priceRangeOriginal":[

"_ddf":"sop",

"props_img":{

"0:0":"https://cbu01.alicdn.com/img/ibank/11884977080_1818272533.jpg",

"0:1":"https://cbu01.alicdn.com/img/ibank/11954549680_1818272533.jpg",

"0:2":"https://cbu01.alicdn.com/img/ibank/11921650503_1818272533.jpg",

"0:3":"https://cbu01.alicdn.com/img/ibank/11921680795_1818272533.jpg",

"0:4":"https://cbu01.alicdn.com/img/ibank/11954549050_1818272533.jpg",

"0:5":"https://cbu01.alicdn.com/img/ibank/11921689268_1818272533.jpg",

"0:6":"https://cbu01.alicdn.com/img/ibank/11954552765_1818272533.jpg",

"0:7":"https://cbu01.alicdn.com/img/ibank/O1CN01PtW77W27pyekEhcAt_!!2206475177847-0-cib.jpg",

"0:8":"https://cbu01.alicdn.com/img/ibank/O1CN01t2Q1ci27pyjXB0fxo_!!2206475177847-0-cib.jpg"

"sales_info":{

"seller_num":"",

"repeat_rate_purchase":"",

"per_capita_purchases":"",

"comment_num":"",

"comment_url":""

"format_check":"ok",

"shop_item":[

"relate_items":[

]

"error":"",

"secache":"a1950f8cc13611671db129a5c7ae864a",

6. 遵守法律法規(guī)和網(wǎng)站政策

在進行網(wǎng)頁爬取時，必須遵守相關(guān)的法律法規(guī)和網(wǎng)站的爬蟲政策。不要頻繁發(fā)送請求以免對網(wǎng)站服務(wù)器造成壓力。

?審核編輯黃宇

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