本文共 3775 字,大约阅读时间需要 12 分钟。
因为接口能够让内部的数据被外部进行修改,如银行内部的数据需要被用户修改。
{ "a": 1, "b": [1, 2, 3]}[1, 2, "3", { "a": 4}]3.14"plain_text"
// 表示对象{ "firstName": "Brett", "lastName": "McLaughlin"} // 表示数组{ "people": [ { "firstName": "Brett", "lastName": "McLaughlin" }, { "firstName": "Jason", "lastName": "Hunter" } ]}
var obj = JSON.parse('{"a": "Hello", "b": "World"}'); //结果是 {a: 'Hello', b: 'World'}
JS对象转JSON字符串,使用JSON.stringify()方法
var json = JSON.stringify({ a: 'Hello', b: 'World'}); //结果是 '{"a": "Hello", "b": "World"}'
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请求行:请求方式,请求地址,协议GET https://www.baidu.com/ HTTP/1.1请求头:Host: www.baidu.com (请求的主机的地址)Connection: keep-alive (保持活跃的)Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36 Edg/91.0.864.37 (客户端的用户)Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 (表示客户端可以接收的数据格式)Sec-Fetch-Site: cross-siteSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentsec-ch-ua: " Not;A Brand";v="99", "Microsoft Edge";v="91", "Chromium";v="91"sec-ch-ua-mobile: ?0Referer: https://ntp.msn.cn/Accept-Encoding: gzip, deflate, br (压缩方式)Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6Cookie: BIDUPSID=C0E8F2D2E6A9118CD05D5A24C0FF5B75; PSTM=1612785747; (Cookie信息)__yjs_duid=1_20159d0a225e26ae39a4ba40344614911619220995082; BAIDUID_BFESS=225EE078D4311478235B0B2720A0A0E2:FG=1; BAIDUID=0FD4489529DB73DF22D43CBFF150C48B:FG=1; BD_UPN=12314753响应行:协议,响应码,响应信息HTTP/1.1 200 OK响应头:Bdpagetype: 1Bdqid: 0xd048a07b000aeb42Cache-Control: privateConnection: keep-aliveContent-Encoding: gzipContent-Type: text/html;charset=utf-8Date: Tue, 01 Jun 2021 16:45:23 GMTExpires: Tue, 01 Jun 2021 16:44:29 GMTServer: BWS/1.1Set-Cookie: BDSVRTM=0; path=/Set-Cookie: BD_HOME=1; path=/Set-Cookie: H_PS_PSSID=31254_34004_33772_33607_26350_22159; path=/; domain=.baidu.comStrict-Transport-Security: max-age=172800Traceid: 1622565923046804532215008422208354315074X-Ua-Compatible: IE=Edge,chrome=1Transfer-Encoding: chunked(空一行,下面是响应正文,因为正文是乱码,且内容很多,此处不做展示)
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