How spring MVC receives arrays of JSON objects that are passed in from the foreground

How spring MVC receives arrays of JSON objects that are passed in from the foreground

Main methods:

(The main package used is Net.sf.json, i.e.: Json-lib-2.3-jdk15.jar

Full-related JAR package:

Commons-beanutils-1.7.0.jar
Commons-collections-3.2.jar

Commons-lang-2.4.jar

Commons-logging-1.1.jar

Ezmorph-1.0.4.jar

Json-lib-2.2.2-jdk15.jar)

Convert the Jsonarray JSON array to the list of entity classes:

1 // T is a casually defined generic, you define the type according to your own needs 2 // Dolist is a JSON type string 3  Public List<t> dolist (String dolist) {  4 jsonarray jsonarray=jsonarray.fromobject (dolist); 5 list<t> list= (List) jsonarray.tocollection (jsonarray,t.class); 6 return list; 7 } 　　

Iterate over the JSON array:

1 iterator<object> it = jsonarray.iterator (); 2  while (It.hasnext ()) {3 jsonobject ob = (jsonobject) It.next (); 4 }

------

------

Specific code:

JS Code:

1 functionsubmituserlist () {2Alert ("OK");3             varCustomerarray =NewArray ();4Customerarray.push ({id: "1", Name: "John Doe", PWD: "123"});5Customerarray.push ({ID: "2", Name: "Zhang San", pwd: "332"});6             7 $.ajax ({8URL: "/user/submituserlist_3",9Type: "POST",TenDataType: "JSON", One data: { A                 //"Dolist": json.stringify (Customerarray),//Serializing JSON object to JSON string, json.stringify () primitive Ecological Method -"Dolist": $.tojson (Customerarray) -},//serializes a JSON object into a JSON string, ToJSON () requires a reference jquery.json.min.js theSuccessfunction(data) { -                 }, -Errorfunction(res) { - alert (res.responsetext); +                 } -             }); +}

Java code:

Method One:

1 ///If the received parameter can be encapsulated into the JavaBean object, it can be written as follows:2          PublicList < user>dolist (String dolist) {3             //turn the string into Jsonarray first4Jsonarray Jsonarray =Jsonarray.fromobject (dolist);5             //and turn the Jsonarray into a collection of objects .6List < user > list = (list) jsonarray.tocollection (Jsonarray, user.class);7             returnlist;8         }9         

--------

Method Two:

1 ///If the received parameter is not easily encapsulated in a Java object, it can be obtained in the following way2          PublicList < user>dolist (String dolist) {3             //turn the string into Jsonarray first4Jsonarray Jsonarray =Jsonarray.fromobject (dolist);5             //iterative Jsonarray6Iterator<object> it =jsonarray.iterator ();7List<user> list=NewArraylist<user>();8              while(It.hasnext ()) {9Jsonobject ob = (jsonobject) it.next ();//take to each Jsonobject objectTenUser User =NULL; One                 if(Ob.getstring ("id")! =NULL){//Call Jsonobject's GetString ("property") method to get the corresponding value AUser=NewUser (); -User.setid (ob.getstring ("id")); -                 } the                 if(Ob.getstring ("name")! =NULL){ -User.setname (ob.getstring ("name")); -                 } -                 if(user!=NULL){ + list.add (user); -                 } +             } A             returnlist; at}

How spring MVC receives arrays of JSON objects that are passed in from the foreground