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使用requests请求网页时，返回的页面信息有时是乱码，如下代码
我要评论headers = {
'user-agent': 'mozilla/5.0 (windows nt 6.1; wow64) applewebkit/537.36 (khtml, like gecko) chrome/65.0.3325.181 safari/537.36'
}
def get_all(url,key):
params = {
'keyword':key,
'enc':'utf-8'
}
response = requests.get(url=url,params=params,headers=headers)
with open('jd.html','w',encoding='utf-8') as f:
f.write(response.text)
if __name__ == '__main__':
key = input('输入搜索内容：')
url = 'https://search.jd.com/search?'
get_all(url,key)
返回的部分内容；
<div class="p-name p-name-type-2">
<a target="_blank" title="æå°ä¼ 说çè¢tæ¤ç·å¤å£é©çæ½®æµçè¢ç·å£«åè¢tæ¤åé¢ä¼é²ä¿®èº«å¤§ç äºåè¢æ½®çéå¹´å¦çtæ¤è¡£æç·è£
430é»è² m" href="//item.jd.com/51029271063.html" onclick="searchlog(1,51029271063,8,1,'','flagsclk=1077936264')">
<em>æå°ä¼ 说çè¢tæ¤<font class="skcolor_ljg">ç·</font>å¤å£é©çæ½®æµçè¢ç·å£«åè¢tæ¤åé¢ä¼é²ä¿®èº«å¤§ç äºåè¢æ½®çéå¹´å¦çtæ¤è¡£æ<font class="skcolor_ljg">ç·è£
</font> 430é»è² m</em>
<i class="promo-words" id="j_ad_51029271063"></i>
</a>
</div>
解决方法和思路过程；
代码；
def get_all(url,key):
params = {
'keyword':key,
'enc':'utf-8'
}
response = requests.get(url=url,params=params,headers=headers)
# 打印出所请求页面返回的编码方式
print(response.encoding)
# response.apparent_encoding是通过内容分析出的编码方式，这里是urf-8
print(response.apparent_encoding)
# 转码
content = response.text.encode(response.encoding).decode(response.apparent_encoding)
print(content)
with open('jd.html','w',encoding='utf-8') as f:
f.write(content)
if __name__ == '__main__':
key = input('输入搜索内容：')
url = 'https://search.jd.com/search?'
get_all(url,key)
控制台输出（部分）；
e:\anaconda\python.exe e:/练习/最后阶段/0808/jd.py
输入搜索内容：男装
iso-8859-1
utf-8
<!doctype html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="renderer" content="webkit">
<meta http-equiv="cache-control" content="max-age=300" />
<link rel="dns-prefetch" href="//search.jd.com" /><link rel="dns-prefetch" href="//item.jd.com" /><link rel="dns-prefetch" href="//list.jd.com" /><link rel="dns-prefetch" href="//p.3.cn" /><link rel="dns-prefetch" href="//misc.360buyimg.com" /><link rel="dns-prefetch" href="//nfa.jd.com" /><link rel="dns-prefetch" href="//d.jd.com" /><link rel="dns-prefetch" href="//img12.360buyimg.com" /><link rel="dns-prefetch" href="//img13.360buyimg.com" /><link rel="dns-prefetch" href="//static.360buyimg.com" /><link rel="dns-prefetch" href="//csc.jd.com" /><link rel="dns-prefetch" href="//mercury.jd.com" /><link rel="dns-prefetch" href="//x.jd.com" /><link rel="dns-prefetch" href="//wl.jd.com" /><title>男装 - 商品搜索 - 京东</title><meta name="keywords" content="男装,京东男装" /><meta name="description" content="在京东找到了260867件男装的类似商品，其中包含了“男装”等类型的男装的商品。" /><script>
window.loadfa_tojson_data={query:'%e7%94%b7%e8%a3%85'};
window.jdpts={};jdpts._st=new date().gettime();window.pageconfig={
closejpg : 1,
compatible: false,
searchtype: 0,
jdfversion: '2.0.0',
floatnav: 1,
price_pdos_off: 0,
actname: '',
psource: 'search_pc',
queryparam: {
c1: 0,
c2: 1342,
c3: 0,
brand: '',
price: '',
keyword: '男装',
page: '1'
}
};
window.searchunit={
resizeonebox: function(g,f,j){var g=parseint(g),i=typeof f,h=typeof j;if(!isnan(g)){if("string"==i&&f!=""&&g>0){$("#j_oneboxframe_"+f).css("height",g+10);h=="function"&&j()}else{if(i=="undefined"||i=="function"){$("#virtualwareiframe").css("height",g>0?g+10:0);i=="function"&&f()}}}},
resizeshopbox: function(e,d){var f=0;switch(e){case 1:case 2:f=145;break;case 3:f=75;break;case 4:f=80;break;default:break}f&&$("#shopboxiframe").css("height",f).show();typeof(d)=="string"&&(new image().src=d)},
coupon: {}};
window.query_keyword='男装';
window.real_keyword='男装';
</script>
<link type="text/css" rel="stylesheet" href="//misc.360buyimg.com/??jdf/1.0.0/unit/ui-base/5.0.0/ui-base.css,jdf/1.0.0/unit/shortcut/5.0.0/shortcut.css,jdf/1.0.0/unit/global-header/5.0.0/global-header.css,jdf/1.0.0/unit/myjd/5.0.0/myjd.css,jdf/1.0.0/unit/nav/5.0.0/nav.css,jdf/1.0.0/unit/shoppingcart/5.0.0/shoppingcart.css,jdf/1.0.0/unit/global-footer/5.0.0/global-footer.css,jdf/1.0.0/unit/service/5.0.0/service.css,jdf/1.0.0/unit/global-header-photo/5.0.0/global-header-photo.css,jdf/1.0.0/ui/area/1.0.0/area.css" />
<link type="text/css" rel="stylesheet" href="//misc.360buyimg.com/product/search/1.0.7/css/search.css" />
<script type="text/javascript" src="//misc.360buyimg.com/??jdf/1.0.0/unit/base/5.0.0/base.js,jdf/lib/jquery-1.6.4.js,product/module/es5-shim.js"></script>
<script>
window.search = {
cid: 1349,
ui_ver: '1.0.7',
c_category: 1342,
p_category: 0,
enable_adv: 1,
enable_prom_adwords: 1,
enable_prom_flag: 1,
enable_price: 1,
enable_stock: 2,
enable_yyk: 0,
lottery_code: '',
is_correct_hash: function(e){var a=["keyword","brand_id","activity_id","coupon_batch","ecard_id"];for(var c=0,b=a.length;c<b;c++){var d=new regexp("(^|\\?|&)"+a[c]+"=([^&]*)(\\s|&|$)");if(d.test(e)){return true}}return false},
get_real_hash: function(){var a=window.location.hash.substr(1);if(a&&$.browser.mozilla){return location.href.substr(location.href.indexof("#")+1)}else{return a}}
};
(function(a,b){var c=b.get_real_hash();if(b.is_correct_hash(c)){a.location.href=a.location.pathname+"?"+c;return false}else{if(a.self!=a.top||$.browser.msie&&$.browser.version<=9){var f=null,e=function(){var d=$(a).width();return 1210>d?$("html").removeclass():$("html").removeclass().addclass(d>=1210&&1390>d?"resp01":"resp02"),true};e();$(a).resize(function(){cleartimeout(f),f=settimeout(e,20)})}}})(window,search);
</script>
</head>
<body>
<!--shortcut start-->
<div id="shortcut-2014">
<div class="w">
<ul class="fl">
<li id="ttbar-home"><i class="iconfont"></i><a href="//www.jd.com/" target="_blank">京东首页</a></li>
<li class="dorpdown" id="ttbar-mycity"></li>
</ul>
done。
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