API response from the body, cookies, headers, test results and status information components.
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http response message structure: web server sends to the browser http response message content:
Response message structure, and the structure is substantially the same Request message. It is also divided into three parts:
The first part is called Response line, ------------> response line
The second part is called Response header, ------------> response headers
The third part is the body, ------------> body
There is also a blank line between the header and the body.
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HTTP/1.1 200 OK Server: nginx/1.4.6 (Ubuntu) Date: Sat, 07 Dec 2019 09:05:17 GMT Content-Type: application/json;charset=UTF-8 Transfer-Encoding: chunked Connection: keep-alive Strict-Transport-Security: max-age=31536000; includeSubDomains X-Frame-Options: SAMEORIGIN 49 { "respCode": " 00 ", "respDesc": "user account information for verification is successful", "Data": null } 0
(1), body: in response to the request body, Postman provides three ways to view the response body, respectively: pretty, raw, preview. Which pretty is the default mode;
pretty view display json or xml format in response thereof, to view
The system can also force set the default view mode:
PS：如果返回的是二进制类型的文件，应该选择发送和下发保存到本地进行查看。
preview选项卡，将响应呈现一个iframe沙箱中。一些web框架默认返回html错误，而预览模式在这种情况下特别有用。
由于iframe沙箱限制，JavaScript和图像在iframe中禁止显示；
raw视图以一个大文本区域的方式显示响应主体。
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（2）、cookies：服务器发送的cookies在cookies选项卡中可见。
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（3）、headers：headers选项卡下为键值对。
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（4）、test results：test results选项卡，展示该请求所有测试项的本次允许结果。
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（5）、响应信息：状态码状态、状态码描述、时长（服务器返回响应的时间，单位ms）、响应体大小（单位kb）；
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（6）、复制响应，搜索响应（body选项卡界面下操作）；
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（7）、保存响应或者把响应保存为示例：
