您必须启用服务端点的 application/x-www-form-urlencoded 内容类型.

You have to enable application/x-www-form-urlencoded content type of your service endpoint.

执行以下操作:服务 -> 编辑资源 -> 选择选项卡服务器"-> 启用应用程序/x-www-form-urlencoded"，就是这样

Do as follows: Services -> Edit Resources -> select tab "Server" -> enable "application/x-www-form-urlencoded" and that's it