PUT
HTTP PUT 请求主要是从客户端向服务器传送的数据取代指定的文档的内容。
PUT请求可以使用Query String Parameters以及body请求体将参数传递给服务器。
案例：
发送PUT请求，并传递字符参数“hello”
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https://postman-echo.com/put
返回值：
{
"args": {},
"data": "hello",
"files": {},
"form": {},
"headers": {
"x-forwarded-proto": "http",
"x-forwarded-port": "80",
"host": "postman-echo.com",
"x-amzn-trace-id": "Root=1-601ab16a-7f44c6085fa320922d18e57e",
"content-length": "5",
"content-type": "text/plain",
"user-agent": "PostmanRuntime/7.23.0",
"accept": "*/*",
"cache-control": "no-cache",
"postman-token": "8c4a82ba-db7c-4d83-bc26-7011e7a17669",
"accept-encoding": "gzip, deflate, br",
"cookie": "sails.sid=s%3AfkqMPBl_jApZ6wKUgs-5loXXWbk2jErB.qhhBQk4E3IOok3Bt9EKmzfPJcYgwdHjE%2BCY%2BnvYmiZY"
},
"json": null,
"url": "http://postman-echo.com/put"
}
DELETE
HTTP DELETE方法用于删除服务器上的资源，DELETE请求可以使用Query String Parameters 以及body请求体将参数传递给服务器。
https://postman-echo.com/delete
返回值：
{
"args": {},
"data": {},
"files": {},
"form": {},
"headers": {
"x-forwarded-proto": "http",
"x-forwarded-port": "80",
"host": "postman-echo.com",
"x-amzn-trace-id": "Root=1-601ab260-1c3dc8982931cdf6605ed90e",
"content-length": "0",
"user-agent": "PostmanRuntime/7.23.0",
"accept": "*/*",
"cache-control": "no-cache",
"postman-token": "c947d90a-8e79-48d5-9395-c8405e192e75",
"accept-encoding": "gzip, deflate, br",
"cookie": "sails.sid=s%3AfkqMPBl_jApZ6wKUgs-5loXXWbk2jErB.qhhBQk4E3IOok3Bt9EKmzfPJcYgwdHjE%2BCY%2BnvYmiZY"
},
"json": null,
"url": "http://postman-echo.com/delete"
}
Request Header
Request Header（请求头）用来说明服务器要使用的附加信息，比较重要的信息有Cookie、Referer、User-Agent等。在Postman中可以在请求下方的Headers栏目来设置，如下图所示：
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Response Header
Response Header（响应头）其中包含了服务器对请求的应答信息，如Content-Type、Server、Set-Cookie等，在Postman主界面下方Headers或者Postman Console界面都可以查看Response Header信息。
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Tips：通过Postman Console也可以看到每次请求的Request Header详细信息