将Json字符串转换为Map<String, Object>的方法可以使用Java中的Json库来实现,比如使用Jackson库或者Gson库。以下是使用Jackson库的示例代码: 代码语言:txt 复制 import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; public class JsonToMapExample { public static...
StringjsonString="{\"name\":\"John\", \"age\":30, \"city\":\"New York\"}";try{// 调用readValue方法解析JSON字符串为Java对象Objectobject=objectMapper.readValue(jsonString,Object.class);// 将Java对象转为Map对象Map<String,Object>map=(Map<String,Object>)object;}catch(IOExceptione){e.print...
这样做可以减少Controller的复杂性,利于后续的维护和测试。 importorg.springframework.stereotype.Service;importjava.util.Map;@ServicepublicclassJsonConversionService{privatefinalObjectMapperobjectMapper;publicJsonConversionService(ObjectMapperobjectMapper){this.objectMapper=objectMapper;}publicMap<String,Object>convertJsonToMap...
Map<String, String> params = JSONObject.parseObject(obj.toJSONString(), new TypeReference<Map<String, Object>>(){}); System.out.println(params); //输出:{key3=value3, key2=value2, key1=value1}
String strArr ="[{\"0\":\"zhangsan\",\"1\":\"lisi\",\"2\":\"wangwu\",\"3\":\"maliu\"},"+ "{\"00\":\"zhangsan\",\"11\":\"lisi\",\"22\":\"wangwu\",\"33\":\"maliu\"}]"; //第一种方式 List<Map<String,String>> listObjectFir = (List<Map<String,String>>...
{ public static void main(String[] args) throws Exception { String jsonString = "{\"name\":\"John\", \"age\":30, \"city\":\"New York\"}"; ObjectMapper objectMapper = new ObjectMapper(); Map<String, Object> map = objectMapper.readValue(jsonString, Map.class); System.out....
将Json字符串转换为Map<String, Object>的方法可以使用Java中的Json库来实现,比如使用Jackson库或者Gson库。以下是使用Jackson库的示例代码: 代码语言:txt 复制 import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; public class JsonToMapExample { public static ...
2019-12-09 11:19 −import org.apache.commons.beanutils.PropertyUtils;public <T> List<Map<String, Object>> listConvert(List<T> list) { List<M... 蔡香满屋 0 22555 json对象与string相互转换教程 2019-12-07 15:20 −一、说明 1.1 背景说明 json对象与string相互转换,这东西想写了很多次,但总...
String strArr = "[{"name": "xx", "age": "16"},{"name": "yy", "age": "18"}]";//第⼀种⽅式 List<Map<String,String>> listObjectFir = (List<Map<String,String>>) JSONArray.parse(strArr);System.out.println("利⽤JSONArray中的parse⽅法来解析json数组字符串");for(Map<...
importcom.fasterxml.jackson.databind.ObjectMapper;importjava.util.Map;publicclassJsonToMapExample{publicstaticvoidmain(String[]args){StringjsonString="{\"name\":\"John\", \"age\":30, \"city\":\"New York\"}";ObjectMapperobjectMapper=newObjectMapper();try{Map<String,Object>map=objectMapper.readVal...