Spring MVC receives the JSON data submitted by Ajax and deserializes it into an object

Requirement: Spring MVC receives the JSON data submitted by Ajax and deserializes it into an object with the following code:

Front JS Code:

//property corresponds to the object property with the conversionvarParam={name: ' Chinese ', price:16};$.ajax ({URL:"/book/adddata", type:"POST", DataType:' JSON ',    //required setting, background @requestbody will do the data deserialization according to itContentType: "Application/json",    //The JSON data must be submitted in a string formatdata:JSON.stringify (param), success:function(data) {alert (' Add success '); }, Error:function(XMLHttpRequest, textstatus) {alert (' Add failed '); }});

Background Java code:

    @RequestMapping (value= "AddData")    @ResponseBody    public  Protocol adddata (Model Model, @RequestBody book        ) {= bookservice.add (book);         return redata;    }

Spring MVC receives the JSON data submitted by Ajax and deserializes it into an object