在Java中,JSONObject通常指的是来自org.json库或类似库的类。根据你提供的错误信息“cannot resolve method 'has' in 'jsonobject'”,这表明JSONObject类中没有找到has方法。这里我会分点来解答你的问题: 确认'jsonobject'类型和所在环境: JSONObject是org.json库中的一个类,用于表示JSON对象。 你需要确认你的...
cn.hutool.json.JSONObject 使用的是 Hutool 工具包的实现,需要调用 getStr() 方法。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 importcn.hutool.json.JSONObject;publicclassTest{publicstaticvoidmain(String[]args){String jsonString="{ \"data\": { \"post\": \"8080\", \"host\": \"127...
1、使用org.json.JSONObject读取属性 正确代码实例: 2、使用org.json.simple.JSONObject读取属性 org.json.simple.JSONObject 不支持 getString(xxx) 方法,需要用 get() 方法并手动进行类型转换。 3、使用cn.hutool.json.JSONObject读取属性 cn.hutool.json.JSONObject 使用的是 Hutool 工具包的实现,需要调用 get...
Cannot resolve method 'keys' in 'JSONObject' //""自定义 String str = ""; JSONObject object = JSONObject.fromObject(str); Map<String, Object> conditionMap = new HashMap<String, Object>(); Iterator<String> iterator = object.keys(); while (iterator.hasNext()){ String key = (String) i...
使用JSONObject.getString()时报错:Cannot resolve method 'getString' in 'JSONObject',JSONObject三种库的用法 编辑 一、背景描述 前几天我在修改后端的JSON数据处理的时候,用了一个很常见的语法: 编辑 即:JSONObject.getString(xxx) JSONObject.getString(xxx) 是一个方法调用,它属于 org.json 包中的 JSON...
工程检查报错,提示“Incorrect settings found in the build-profile.json5 file” 环境诊断、创建工程/模块界面全部显示空白 打开历史工程,报错提示“Install failed FetchPackageInfo: hypium failed” 如何使用DevEco Studio中的ArkTS代码模板 如何将HSP(动态共享包)转为HAR(静态共享包) 如何将HAR(静态共享包...
“The security identifier is not allowed to be the owner of this object” (Beginner) Powershell - getting machine names from a text file and run queries, functions and conditions (Exception has been thrown by the target of an invocation ) in powershell [ADSI] Local Groups Users, Users Type...
the problem is that it's a "Type=project" while the csproj has no project references. This lib ("Croc.XFW3.Web") is added as a package dependency and already was processed: I can't figure out where this CompilationLibrary came from as below in the stack - Microsoft.AspNetCore.Mvc.Co...
"No Proxy-Authorization Header" is present in the POST method "Object moved to here." problem "StatusCode: UnsupportedMediaType, Content-Type: application/json; charset=utf-8, Content-Length: 800)" (500) Internal Server Error [ Sys.WebForms.PageRequestManager._initialize error [ASP.NET C# W...
Access QueryString Object in ASPX Page Access Session from static method/static class? Access sessions value from another project within the same solution. Access to the path 'c:\inetpub\wwwroot\images\a.jpg' is denied. Need Help Access to the path 'c:\inetpub\wwwroot\images\temp' is denied...