What is the difference between get mode and post mode in HTTP protocol transmission

HTTP supports a variety of request commands, with GET, put, DELETE, POST, head, most commonly used for get and POST, below to introduce the difference between the two methods.

One, Get way

Get mode The primary user comes with less parameter information because the got method parameter has a size limit of 1024 bytes (1k), the parameters are at the end of the URL, separated by the, and the parameters are separated by &, for example:

"Http://localhost:8080/manager/test.action?param1=123&param2=456",

When a get mode is transmitted, the parameter information is placed in the head of the HTTP request protocol:

Second, post mode

The most significant advantage of post mode relative to get mode is that there is no size limit, and the Post method transmits the parameter information in the entity part of the HTTP request protocol: