liubao68 commented on issue #2243:
URL:
https://github.com/apache/servicecomb-java-chassis/issues/2243#issuecomment-784202090
补充说明下为什么不能使用JsonObject的细节，
这个和具体你使用的库也有关系，以使用io.vertx.core.json.JsonObject为例，代码：
```
@PostMapping(path = "/jsonObject")
public JsonObject jsonObject(@RequestBody JsonObject jsonObject) {
return rpcEndpoint.getJsonObject(jsonObject);
}
```
生成的swagger为：
```
/jsonObject:
post:
operationId: "jsonObject"
parameters:
- in: "body"
name: "jsonObject"
required: true
schema:
$ref: "#/definitions/JsonObject"
responses:
"200":
description: "response of 200"
schema:
$ref: "#/definitions/JsonObject"
definitions:
JsonObject:
type: "object"
properties:
map:
type: "object"
additionalProperties:
type: "object"
empty:
type: "boolean"
x-java-class: "io.vertx.core.json.JsonObject"
```
这个接口用postman请求的时候，需要这样传参：
```
{"map": {"hello":"world"}}
```
即根据swagger来的。 很多时候都不符合用户的理解习惯。 如果需要能够传递map:
```
{"hello":"world"}
```
则需要参考开发指南，扩展JsonObject的解析过程，过程比较麻烦。
参考：https://docs.servicecomb.io/java-chassis/zh_CN/build-provider/interface-constraints/
'REST类型扩展章节'
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