我正在为我的 Grails 应用程序开发一个 API,并且正在尝试做一些非 REST 的事情(尽管非常有用)。我正在尝试允许 Show 和 Update 操作接受 ID或名称。我的 URLMappings 文件中有以下映射:
"/api/host" (controller:"API", action:"hostList", method:'GET', parseRequest:true)
"/api/host/$id" (controller:"API", action:"hostShow", method:'GET', parseRequest:true)
"/api/host/$id" (controller:"API", action:"hostUpdate", method:'PUT', parseRequest:true)
"/api/host" (controller:"API", action:"hostCreate", method:'POST', parseRequest:true)
我想要的是让 hostShow 和 hostUpdate 控制器操作接受 ID或名称作为 $id。这适用于 Show 操作,但是当我使用 HTTP-PUT 尝试它时,我收到以下错误:
HTTP/1.1 422 Unprocessable Entity
Server: Apache-Coyote/1.1
Content-Type: application/json;charset=UTF-8
{"errors":[{"object":"Host","field":"id","rejected-value":"TEST","message":"Property id must be a valid number"}]}
我似乎无法绕过这个错误。我用来尝试执行此操作的 CURL 命令是:
curl -i -X PUT -H "Content-Type:application/json" -d "{name:NEWTEST}", http://localhost:8080/myapp/api/host/TEST
对此的任何反馈或帮助将不胜感激!下面是我的 hostShow 和 hostUpdate 操作的代码:
def hostShow() {
def hostInstance
try {
hostInstance = Host.get(params.id)
}
catch(Exception E) {
hostInstance = Host.findByHostname(params.id)
}
if(hostInstance == null)
respond null, [status: HttpStatus.NOT_FOUND]
respond hostInstance
}
@Transactional
def hostUpdate() {
// Convert incoming JSON to params structure
request.JSON.each { k,v ->
params[k] = v
}
// Get by either ID or hostname
def hostInstance
try {
hostInstance = Host.get(params.id)
}
catch(Exception E) {
hostInstance = Host.findByHostname(params.id)
}
hostInstance.properties = params // Set new properties
hostInstance.save(flush:true)
respond hostInstance, [status: HttpStatus.OK]
}