public int GetArrayLength(); 傳回 Int32 目前陣列值內所包含的值數目。 例外狀況 InvalidOperationException 此值的 ValueKind 不是Array。 ObjectDisposedException 父JsonDocument 已經過處置。 備註 如需詳細資訊,請參閱 如何使用 System.Text.Json 撰寫自訂序列化程式和還原序列化程式。 適用於 產品版本 ....
\"age\":20},{\"name\":\"Bob\",\"age\":25},{\"name\":\"Catherine\",\"age\":30}]";JSONArrayjsonArray=newJSONArray(jsonStr);for(inti=0;i<jsonArray.length();i++){JSONObjectjsonObject=jsonArray.getJSONObject(i)
try{StringjsonStr="{ \"students\": [\"Alice\", \"Bob\", \"Tom\"] }";JSONObjectjsonObj=newJSONObject(jsonStr);JSONArrayjsonArray=jsonObj.getJSONArray("students");for(inti=0;i<jsonArray.length();i++){Stringstudent=jsonArray.getString(i);Log.d("Student",student);}}catch(JSONExcep...
,{Server=[Tengine/2.1.1], Date=[Sun, 18 Aug 2019 00:54:32 GMT], Content-Type=[application/json;charset=UTF-8], Content-Length=[412], Connection=[keep-alive]}> 2.根据ResponseEntity<String> responseEntity对象,获取body部分,body为json格式字符串 String content = responseEntity.getBody(); cont...
然后,你可以使用JSONUtil来解析 JSON 字符串,并使用getJSONArray方法来获取数组,接着遍历数组并读取其中的值。 以下是一个示例代码: 假设你有以下JSON数据: {"name": "John Doe","age": 30,"hobbies": ["reading","swimming", {"name": "traveling","frequency": "often"} ...
JSONArray Constructors Properties Methods Get GetBoolean GetDouble GetInt GetJSONArray GetJSONObject GetLong GetString IsNull Join Length Opt OptBoolean OptDouble OptInt OptJSONArray OptJSONObject OptLong OptString Put Remove ToJSONObject ToString ...
Java documentation fororg.json.JSONArray.getJSONArray(int). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
Java documentation fororg.json.JSONArray.getJSONArray(int). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
LoginServlet.java 代码语言:javascript 代码运行次数:0 运行 AI代码解释 importjava.io.IOException;importjavax.servlet.ServletException;importjavax.servlet.annotation.WebServlet;importjavax.servlet.http.HttpServlet;importjavax.servlet.http.HttpServletRequest;importjavax.servlet.http.HttpServletResponse;/** ...
selectget_json_object(src_json.json,'$.store.fruit[0]')fromsrc_json;--提取不存在的字段信息,返回NULL。selectget_json_object(src_json.json,'$.non_exist_key')fromsrc_json; 示例2:提取数组型JSON对象的信息。命令示例如下。 --返回2222。selectget_json_object('{"array":[["aaaa",1111],["...