The model Binding of the front-end and back-end of MVC

1. Front-end Commit JSON string

{"id": "title": "Here is the caption", "Day": "2018-8-16", "status": 0, "arr": [{"Type": "R", "Quest": "333", "Q1": "3", "Q2": "3", "Q3 ":" 3 "},{" type ":" C "," Quest ":" 444 "," Q1 ":" 4 "," Q2 ":" 4 "," Q3 ":" 4 "},{" type ":" T "," Quest ":" 5 "}]}

            $.ajax ({                "/survey/post",                Method:"Post",                Data:json,                " Application/json ",                function  (data) {                    console.log (data.status);                }            })  

Back-end MVC controller (version<=5), if it is WEBAPI, add the [frombody] modifier parameter

    public class Surveydto    {public        string ID {get; set;}        public string Title {get; set;}        Public DateTime Day {get; set;}        public string Status {get; set;}        Public surveyitem[] Arr {get; set;}    }    public class Surveyitem {public        string type {get; set;}        public string Quest {get; set;}        public string Q1 {get; set;}        public string Q2 {get; set;}        public string Q3 {get; set;}    }        [HttpPost]        Public ActionResult Post (surveydto data)        {}

JSON with an array is usually not used directly with entityframework entities. To redefine.

2. Front-end Use form submission

function (JSON) {            if  (json.issuccess) {                           }        });

$.ajax ({
URL: "/survey/postform",
Method: "Post",
Data: "id=" + key + "&title=" + title + "&day=" + Date + "&status=" + STA + "&arr=" + json.stringify (this. Storagearr),
Success:function (data) {
Console.log (Data.status);
}
})

Back end uses FormCollection to accept parameters

        [HttpPost]        Public ActionResult Post (formcollection form)        {            var json = new {status = 0};            Return JSON (JSON);        }

　　

Model Binding for the front-end and back-end of MVC