Parameters and body data in JMeter

Reprinted https://blog.csdn.net/lluozh2015/article/details/51548243

When doing the concurrent test of the interface, I found that the two parameter formats of Parameters and Body Data in Jmeter are not simple. One is xx=xx, and the other is a parameter in json format.

First look at an interface

[post] /api/xx/xxxx/xxxx notify the server that the file upload is complete

Input parameters:

http content type: application/json

 Name | Type | Required | Parameter Limit | Description
--------- | ----------- | -------- | ---------- | ----------
cid | string  | Yes | cid.length==36 | id
version  | int | yes | no | version

At the beginning the request in Jmeter was

The result returned by the request is

{"msg":"{\"message\":\"error\",\"error_code\":4000}","ret":"error"}

After searching, it is found that it is the use of Parameters and Body Data, and the requested parameters are misunderstood.

Take a closer look at the two "parameters" in the packet capture

xx=xx&xxx=xx format

json format

Parameters

The parameter in the format of xx=xx&xxx=xx is the value of the parameter in the url in the GET or POST request, such as:

In one such request/api/xx/xxx/xxxx?index=0&pagesize=100&thumb=1
? The number after the number can be written in the url or in the parameters

Body Data

The json format is the parameters in the POST request. When the POST request parameters, look at the format of the request. Do you need to add an HTTP header manager to the request toContent-Type OrUser-Agent Wait for definition

HTTP request format:

HTTP header manager:

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