json格式示例

class Person{ ????????String firstname = "张"; ????????String lastname = "三丰"; ????????Integer age = 100; ?????} ???????????Person p = new Person(); ?????System.out.println(p.firstname);

var person = {"firstname":"张","lastname":"三丰","age":100}; ?????????//取出lastname ????alert(person.lastname); ????//取出age ????alert(person.age);

 ???Person[] persons = new Person[1]; ???Person p0 = new Person("张","三丰",100)； ???Person p1 = new Person("李","四",25)； ???persons[0] = p0; ???persons[1] = p1; ???System.out.println(persons[0].age); ???System.out.println(persons[1].firstname);

var persons = [ ?????????????　　{"firstname":"张","lastname":"三丰","age":100}, ????????????????{"firstname":"李","lastname":"四","age":25} ??????????????]; ????//取出fistname=李 ????alert(persons[1].firstname); ????//取出age=100 ????alert(persons[0].age);

var json = { ????????????????"baobao":[ ??????????????????????????{"name":"yg",age:22,"addr":"南通"}, ??????????????????????????{"name":"gy",age:22,"addr":"徐州"} ??????????????????????????] ????????????}; ????//取name = gy ????alert(json.baobao[1].name); ????//取addr = 南通 ?????alert(json.baobao[0].addr); ???

var json = { ????????????????"baobao":[ ??????????????????????????{"name":"yg",age:22,"addr":"南通"}, ??????????????????????????{"name":"gy",age:22,"addr":"徐州"} ??????????????????????????], ????????????????"haohao":[{"name":"xh",age:23,"addr":"南京"}, ??????????????????????????{"name":"aj",age:22,"addr":"淮阴"} ??????????????????????????????] ????????????};//取name = gyalert(json.baobao[1].name);//取addr = 淮阴 alert(json.haohao[1].addr);

var json = { ????????????????"key1":"value1", ????????????????"key2":{"firstname":"张","lastname":"三丰","age":100}, ???????????????"key3":[ ??????????????????????{"name":"yg",age:22,"addr":"南通"}, ???????????????????????{"name":"gy",age:22,"addr":"徐州"} ????????????????????????????????????????] ?????????????}; ????alert(json.key2.firstname); ????alert(json.key3[1].age);