<script type="text/javascript" src="/CoreResource/JS/json2.min.js"></script>

var jsonObj = { "id": "01", "name": "Tom" };
JSON.stringify(jsonObj);

var jsonString = {"id": "01", "name": "Tom" };
JSON.parse(jsonString);

var records = 
{
  "table": "GPS_MANAGER",
  "token": "32sdfj-349sfdnfs32-fsdf348imfg323-df34",
  "pk": "GPS_LONGITUDE,GPS_LATITUDE",
  "rows": [
    {
      "type": "modify",
      "columns": [
        {
          "GPS_LONGITUDE": "GPS_LONGITUDE",
          "old": "",
          "new": "112.9152287"
        },
        {
          "GPS_LATITUDE": "GPS_LATITUDE",
          "old": "",
          "new": "22.6689977"
        },
        {
          "GPSMARK": "GPSMARK",
          "old": "",
          "new": "1"
        },
        {
          "RTUNAME": "RTUNAME",
          "old": "",
          "new": "大边岩站"
        },
        {
          "RTUID": "RTUID",
          "old": "",
          "new": "13525"
        },
        {
          "NOTE": "NOTE",
          "old": "",
          "new": "undefined"
        },
        {
          "Y": "Y",
          "old": "",
          "new": "2508146.500000"
        },
        {
          "X": "X",
          "old": "",
          "new": "696776.812500"
        },
        {
          "GPS_HEIGHT": "GPS_HEIGHT",
          "old": "",
          "new": "0"
        },
        {
          "GPS_GUID": "GPS_GUID",
          "old": "",
          "new": "1381c526-2d90-442f-889c-731485a960c1"
        }
      ]
    }
  ]
}
var jsonObj = JSON.parse(records );

<script> 
//直接声明json数据结构 
var myJSONObject = {"bindings": [ 
    {"ircEvent": "PRIVMSG", "method": "newURI", "regex": "^http://.*"}, 
    {"ircEvent": "PRIVMSG", "method": "deleteURI", "regex": "^delete.*"}, 
    {"ircEvent": "PRIVMSG", "method": "randomURI", "regex": "^random.*"} 
  ] 
};
 
//声明字符串,可对比一下json文本与我们正常文本的区别
 
var normalstring='[{persons:[{name:"jordan",sex:"m",age:"40"}, {name:"bryant",sex:"m",age:"28"}, {name:"McGrady",sex:"m",age:"27"} ]}]';
var jsontext='[{"persons":[{"name":"jordan","sex":"m","age":"40"}, {"name":"bryant","sex":"m","age":"28"}, {"name":"McGrady","sex":"m","age":"27"} ]}]';
 
//调用eval函数转换为json对象，
 
var myE = eval(normalstring);
document.writeln(myE '<br><br>');
 
//将json对象转换为字符串
var text = JSON.stringify(myE);
//对比转换后的json文本与声明的文本区别
document.writeln('转换后的json文本：' text '<br><br>声明的json格式文本' jsontext '<br><br>声明的普通格式文本' normalstring '<br><br>');
 
//当安全比较重要的时候使用JSON解析就好一些。JSON解析只会识别JSON文本并且它更安全,下面调用json的parse函数对文本数据转换生成json数据结构
 
var myData = JSON.parse(jsontext);
document.writeln(myData '<br><br>');
 
//下面是对json对象的增删查改操作
//声明json对象
 
var jsonObj2={persons:[{name:"jordan",sex:"m",age:"40"}, {name:"bryant",sex:"m",age:"28"}, {name:"McGrady",sex:"m",age:"27"} ]};
var persons=jsonObj2.persons;
var str="";
var person={name:"yaoMing",sex:"m",age:"26"};
//以下为json对象的操作，去掉注释可以查看操作结果
//jsonObj2.persons.push(person);//数组最后加一条记录
//jsonObj2.persons.pop();//删除最后一项
//jsonObj2.persons.shift();//删除第一项
jsonObj2.persons.unshift(person);//数组最前面加一条记录 只要适合Javascript的方法都是可以用在JSON对象的数组中的！所以还有另外的方法splice( )进行crud操作！ //删除
//jsonObj2.persons.splice(0,2);//开始位置,删除个数
//替换不删除
var self={name:"tom",sex:"m",age:"24"};
var brother={name:"Mike",sex:"m",age:"29"};
jsonObj2.persons.splice(1,0,self,brother,self);//开始位置,删除个数,插入对象
//替换并删除
//jsonObj2.persons.splice(0,1,self,brother);//开始位置,删除个数,插入对象
for(var i=0;i<persons.length;i ){ var cur_person=persons[i]; str =cur_person.name "'sex is " cur_person.sex " and age is " cur_person.age "<br><br>"; }
document.writeln(str);
//转换为json文本
var myjsonobj = JSON.stringify(jsonObj2);
document.writeln(myjsonobj);
</script>

data = [
  {name: , sex:, age: },
  {name: , sex:, age: },
  {name: , sex:, age: }
]; ( i=, new_data=[]; i<data.length; i++) {
  new_data.push({
    name: data[i].name,
    sex: data[i].sex
  });
} str_json = .stringify(new_data);
console.log(str_json);
var data = [
  {name: "王尼玛", sex:1, age: 30},
  {name: "王尼美", sex:0, age: 20},
  {name: "王大锤", sex:1, age: 30}
];
for (var i=0, new_data=[]; i<data.length; i++) {
  new_data.push({
    name: data[i].name,
    sex: data[i].sex
  });
}
var str_json = JSON.stringify(new_data);
console.log(str_json);

 data = [
  {name: , sex:, age: },
  {name: , sex:, age: },
  {name: , sex:, age: }
]; str_json = .stringify(data, [, ]);
console.log(str_json);
var data = [
  {name: "王尼玛", sex:1, age: 30},
  {name: "王尼美", sex:0, age: 20},
  {name: "王大锤", sex:1, age: 30}
];
var str_json = JSON.stringify(data, ["name", "sex"]);
console.log(str_json);

 data = [
  {name: , sex:, age: },
  {name: , sex:, age: },
  {name: , sex:, age: }
]; str_json = .stringify(data, 
   (k === ) {     [, ][v];
  }   v;
});
console.log(str_json);
var data = [
  {name: "王尼玛", sex:1, age: 30},
  {name: "王尼美", sex:0, age: 20},
  {name: "王大锤", sex:1, age: 30}
];
var str_json = JSON.stringify(data, function (k, v) {
  if (k === "sex") {
    return ["女", "男"][v];
  }
  return v;
});
console.log(str_json);