fastjson实现实体类和字符串相互转化

实现实体类转化为字符串
RpcRequest rpcRequest=new RpcRequest();
rpcRequest.setRequestId("111");
rpcRequest.setMethodName("test001");
rpcRequest.setParameters(new Object[]{1,2,3});
String s = JSON.toJSONString(rpcRequest);
字符串转化为实体类
RpcRequest rpcRequest = JSON.parseObject(msg, RpcRequest.class);
引入依赖 fastjson