1.android中使用JAVA解析json数据
这个格式使用如下代码解析
try {
JSONObject jsonObject = new JSONObject(json);
JSONObject weatherinfo = jsonObject.getJSONObject("weatherinfo");
System.out.println(weatherinfo.getString("city"));
System.out.println(weatherinfo.getString("cityid"));
System.out.println(weatherinfo.getString("temp"));
System.out.println(weatherinfo.getString("WD"));
} catch (JSONException e) {
e.printStackTrace();
}
其中第一行代码 JSONObject jsonObject = new JSONObject(json);//json 即为你的字符串
比如现在天气信息是多个城市的,并非只有北京市。
{"weatherinfo":[{"city":"北京","cityid":"101010100","temp":"4","WD":"东风","WS":"2级","SD":"75%","WSE":"2","time":"10:45","isRadar":"1","Radar":"JC_RADAR_AZ9010_JB","njd":"暂无实况","qy":"1011"},{"city":"天津","cityid":"101010100","temp":"4","WD":"东风","WS":"2级","SD":"75%","WSE":"2","time":"10:45","isRadar":"1","Radar":"JC_RADAR_AZ9010_JB","njd":"暂无实况","qy":"1011"}]}
以下代码适用。
try {
JSONObject jsonObject=new JSONObject(json);
JSONArray jsonArray=jsonObject.getJSONArray("weatherinfo");
for (int i=0;i
2.Android 解析这样的json数据怎么解析
简单的给你做了下解析,具体要解析到什么程度,你自己看吧。大概解析方法就是这样的:
如下:
privatevoid testJson(){
String JsonData = "[{\"id\":[\"386\",\"381\",\"379\",\"377\"],\"num\":[\"386\",\"381\",\"379\",\"377\"]},{\"id\":[\"3860\",\"3810\",\"3790\",\"3770\"],\"num\":[\"3860\",\"3810\",\"3790\",\"3770\"]}]";
JSONObject obj = null;
JSONArray jsonArary;
try {
jsonArary = new JSONArray(JsonData);
for(int i=0;i<jsonArary.length();i++){
obj = jsonArary.getJSONObject(i);
//取ID
JSONArray strID = obj.getJSONArray("id");
for(int j=0;j<strID.length();j++){
Log.v("ID:", strID.get(j).toString());
}
//取num
JSONArray strNum = obj.getJSONArray("num");
for(int k=0;k<strNum.length();k++){
Log.v("NUM:", strNum.get(k).toString());
}
}
} catch (JSONException e) {
e.printStackTrace();
}
}
3.如何在Android中解析JSON 数据
在 Android 中解析JSON很方便,但是 JSON 的格式或者层级各有不同,搞的有人好像就是不能入门,下面简单写下~
标准的 json 格式一般是这样的
{ "background" : "true", "expires" : "3600000", "items" : [{ "author" : "vincent4j","created_at" : "2013-05-05T13:14:38+08:00","id" : 512},{ "author" : "vincent4j","created_at" : "2013-05-05T13:14:38+08:00","id" : 512}]}
那么其最外层的是个 {} ,也就是其是个 JSON 对象,直接转成JSONObject,再看 items 这个下面是个 [] ,也就是个数组,那么直接getJSONArray就可以得到了,代码如下:
JSONObject josnObject = new JSONObject(str);JSONArray array = josnObject.getJSONArray("items");int length = array.length();for (int i = 0; i < length; i++) { JSONObject object = array.getJSONObject(i); //Do your code Log.v("json object", object.getString("id"));}上面这个是最常见的格式了,但是有的时候你会遇到这样的 json 格式
{ "response" : { "items" : [ { "detail_url" : "/uc_server/avatar.php?uid=739935&size=small", "id" : "3348", "name" : "过期的白砂糖", "short_content" : "GitHub上最火的40个Android开源项目(一)GitHub上最。", "time" : "1367809230", "title" : "GitHub上最火的40个Android开源项目(一)" }, { "detail_url" : "/uc_server/avatar.php?uid=2&size=small", "id" : "18229", "name" : "iceskysl", "short_content" : "OS X Mavericks新功能介绍: /o。", "time" : "1382471844", "title" : "修改DNS大幅提高OS X Mavericks(5.29G)升级下载速度(4.1M/s)" }]}}
看到区别了没,多了一层,那我们就可以这样来调
JSONObject josnObject = new JSONObject(str);JSONObject responseObject = josnObject.getJSONObject("response");JSONArray array = responseObject.getJSONArray("items");int length = array.length();for (int i = 0; i < length; i++) { JSONObject object = array.getJSONObject(i); //Do your code Log.v("json object", object.getString("id"));}
总结一句话:
获取节点内容的时候,遇到{}就getJSONObject,遇到[]就getJSONArray~
4.android中使用JAVA解析json数据
这个格式使用如下代码解析try { JSONObject jsonObject = new JSONObject(json); JSONObject weatherinfo = jsonObject.getJSONObject("weatherinfo"); System.out.println(weatherinfo.getString("city")); System.out.println(weatherinfo.getString("cityid")); System.out.println(weatherinfo.getString("temp")); System.out.println(weatherinfo.getString("WD"));} catch (JSONException e) { e.printStackTrace();} 其中第一行代码 JSONObject jsonObject = new JSONObject(json);//json 即为你的字符串 比如现在天气信息是多个城市的,并非只有北京市。
{"weatherinfo":[{"city":"北京","cityid":"101010100","temp":"4","WD":"东风","WS":"2级","SD":"75%","WSE":"2","time":"10:45","isRadar":"1","Radar":"JC_RADAR_AZ9010_JB","njd":"暂无实况","qy":"1011"},{"city":"天津","cityid":"101010100","temp":"4","WD":"东风","WS":"2级","SD":"75%","WSE":"2","time":"10:45","isRadar":"1","Radar":"JC_RADAR_AZ9010_JB","njd":"暂无实况","qy":"1011"}]}以下代码适用。 try { JSONObject jsonObject=new JSONObject(json); JSONArray jsonArray=jsonObject.getJSONArray("weatherinfo"); for (int i=0;i 动态的key。 .这个只是解析出来可以 但是写到javabean里面 呵呵了。单独解析的方法如下JSONObject jsonObj = JSONObject.fromObject(json); Iterator it = jsonObj.keys(); List JSONObject dataJson=new JSONObject("你的Json数据“); JSONObject response=dataJson.getJSONObject("response"); JSONArray data=response.getJSONArray("data"); JSONObject info=data.getJSONObject(0); String province=info.getString("province"); String city=info.getString("city"); String district=info.getString("district"); String address=info.getString("address"); System.out.println(province+city+district+address); android 下有自带的对json字符串处理的包的,都在org.json包下 //注意要抛出异常,用try,catch或直接抛异常JSONObject object=new JSONObject(result);//获取resultcode对象,其它类推String resultcode=object.getString("resultcode");//获取data列表JSONArray array=object.getJSONArray("data");for(int i=0;i 转载请注明出处育才学习网 » android天气json解析怎么写5.Android 这样的json怎么解析
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