RestTemplate restTemplate = new RestTemplate(); String url = "http://localhost:8080/chat16/test/get"; public void test() { // getForObject方法,获取响应体,将其转换为第二个参数指定的类型 BookDto bookDto = restTemplate.getForOb
步骤三:将类转换成JSONObject 我们使用Gson库将Student类转换成JSONObject,代码如下: importcom.google.gson.Gson;importcom.google.gson.JsonObject;publicclassMain{publicstaticvoidmain(String[]args){Studentstudent=newStudent("Alice",20);Gsongson=newGson();Stringjson=gson.toJson(student);System.out.println...
Admin admin=newAdmin ();// Admin 实体类 String s1 = JSONObject.toJSONString(admin); JSONObject params = JSONObject.parseObject(s1); JSONObject对象转实体类: 1 2 JSONObject obj =newJSONObject(); Admin admin = obj.toJavaObject(Admin.class);// 对应实体类 String转JSONObject对象: 1 JSONObje...
Class<t> c=clazz; T t=(T) c.newInstance(); String s=JSONObject.toJSONString(t, serializer);returns; }
compile 'com.alibaba:fastjson:1.2.31' compile 'com.alibaba:fastjson:1.1.57.android' 有如下json字符串和类: String t2 = "{\"state\":2,\"msg\":\"msg2222\",\"data\":{}}"; public static class Test { public int state; public String msg; public List<Da...
大家好,又见面了,我是你们的朋友全栈君 直接上代码,实现了对嵌套的对象进行转换。...private Map toMap(JSONObject object) { Map map = new HashMap<String...if (value instanceof JSONArray) { va...
com.alibaba.fastjson.JSONException: can not cast to : java.util.Set<java.lang.String> 具体 case import java.util.HashSet; import java.util.Set; import org.junit.Test; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject...
at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
importorg.apache.commons.codec.binary.Base64;importjavax.activation.MimetypesFileTypeMap;importjava.io.*;importjava.net.HttpURLConnection;importjava.net.URL;importjava.text.DateFormat;importjava.text.SimpleDateFormat;importjava.util.*;publicclassPostObjectCallbackV4Demo{// 填写待上传的本地文件的完整路径...
importorg.apache.commons.codec.binary.Base64;importjavax.activation.MimetypesFileTypeMap;importjava.io.*;importjava.net.HttpURLConnection;importjava.net.URL;importjava.util.Iterator;importjava.util.LinkedHashMap;importjava.util.Map;importcom.aliyun.oss.ClientException;publicclassPostObjectSample{// 填写待...