Java 解析 JSON 对象报错:JSONException: can not cast to JSONObject 使用了阿里的 JSON 解析库,在JSON.parseObject(body)解析返回 JSON 字符串时报错:JSONException: can not cast to JSONObject。 不确定问题所在,先是增加jsonObj.containsKey("error_code")来判断是否存在错误码,但这个解析错误是在这个判断之前,...
(2)toJSONString的作用package com.navict.controller;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONObject;import lombok.Data;import org.junit.Test;import java.util.ArrayList;import java.util.Date;import java.util.List;public class JSONTest { @Test public void JSONTest() { List<...
import net.sf.json.JSONArray; import net.sf.json.JSONObject; import org.springframework.web.util.HtmlUtils; 数据处理: String json = HtmlUtils.htmlUnescape(roleMenuListJson); Map<String, Object> map = JSONObject.fromObject(json); List<String> officeList = JSONArray.fromObject(map.get("office"...
JsonNodearrayNode=rootNode.get("array");for(JsonNodeelementNode:arrayNode){Stringelement=elementNode.asText();// 处理每个元素} 1. 2. 3. 4. 5. 解析复杂类型的JSON数据: JsonNodecomplexNode=rootNode.get("complex");if(complexNode.isObject()){Stringproperty=complexNode.get("property").asText...
用两种方法反序列化为一个嵌套的类时,toJavaList的子类类型是LinkedHashMap,而非定义的类型。 public static void main(String[] args) throws Exception { String str = "{"accounts":[{"aliyunid":"aliyuntest","apis":[{"coordinate":"Ecs:2021-05-03:CreateInstance*","description":"用于XXX","param...
On executing JSONObject innerJsonObj = (JSONObject) jsonObject.get("Result"); - it gives: Exception in thread "main" java.lang.ClassCastException: Cannot cast object '{"Id":"ABCD123","clientId":"0c34c71c","status":"Finished","message":"Done","type":"registration"}' with class 'ja...
可以使用jackson的 new ObjectMapper().readValue(String, bean.class);或者使用 JSONObject.toBean(String...
项目需要有类似如下的转换, 序列化和反序列化Object[],此数组里又可能有嵌套Object[],比如以下array: Object[] cell = { 1, "a", 122 }; Object[] array = { 2, cell, 4 }; String content = JSON.toJSONString(array);//序列化 Object o = JSON.parse(content );//反序
To be clear, I realise I've referenced outer as a JsonObject but I was just doing this to demonstrate the code. If I try and reference outer as an JsonArray, the code fails. String json = "{\"Outer\": { \"0\": { \"Attr1\": 12345, \"Attr2\": 67890 }, \"1\": { \...
getJSONObject(i); String userId = userInfo.getString("userId"); String cardNum =userInfo.getString("cardNum"); Map<String,Object> map = new HashMap<String, Object>(2); map.put("userId", userId); map.put("cardNum", cardNum); casUsers.add(map); } 本文参与 腾讯云自媒体同步曝光...