Netty HTTP请求获取application/json请求参数

$.ajax({
    url: url,
    type: "POST",
    dataType: "json",
    contentType: 'application/json;charset=utf-8',
    data: $.toJSON({type:"2",name:"你好"}),
    success: function(data){
        log("2----->"+data);
        log("2----->"+data.msg.info);
    },
    error: function(res){
        alert(res.responseText);
    }
});

public void messageReceived(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
    request = (FullHttpRequest) msg;       
    String content = ((HttpContent) msg).content().toString(Charset.forName("UTF-8"));
    System.out.println("The body is : " + content); }