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  • JSONArray数据转换成java List

    package no.integrasco.ingentia.news.qaedition;

    public class Person {

        private String name;

        private int age;

        public String getName() {

            return name;
        }

        public void setName(String name) {

            this.name = name;
        }

        public int getAge() {

            return age;
        }

        public void setAge(int age) {

            this.age = age;
        }
    }

    package no.integrasco.ingentia.news.qaedition;

    import java.util.List;

    import net.sf.json.JSONArray;
    import net.sf.json.JsonConfig;

    public class JsonTest {

        /**
         * @param args
         */
        public static void main(String[] args) {

            // 转换方法1
            JSONArray array = JSONArray.fromObject("[{'name':'hehe','age':22}]");
            List<Person> list = JSONArray.toList(array, Person.class);// 过时方法
            System.out.println(list.get(0).getName());

            // 转换方法2
            List<?> list2 = JSONArray.toList(array, new Person(), new JsonConfig());//参数1为要转换的JSONArray数据,参数2为要转换的目标数据,即List盛装的数据
            Person person = (Person) list2.get(0);
            System.out.println(person.getAge());
        }

    }

    从页面接收json格式的数据,在java类里面进行解析

    String jsonStr = {"name":"zfj","dd":[{"ddr":"1","encrypt":"2","ff":"1","length":"23","ffe":"editStyled","ill":"1","pkor":"2","name":"zfj","isKey":"2","alias":"ffff"}],"addRelations":[{"type":"2","ld":"zfj","ld":"2"}]}; 

    将此字符串放在ruquest或者其他的变量里面,传递到后台。 

    如放在reques中: 
    request.getRequestDispatcher("/geServlet?data="+jsonStr).forward(request,response); 

    在servlet或java类里这样接收: 
    String json = request.ge[size=large][/size]tParameter("data"); 
    JSONObject jsonObject = JSONObject.fromObject(data); 
    String name = jsonObject.getString(“name”); 
    ...... 
    //对于数组这样接收用 

    JSONArray jan = (JSONArray) jsonObject.get("dd"); 
    if(jan!=null||jan.size()!=0){ 
    for(int i=0;i<ja.size();i++){ 
    JSONObject jo = JSONObject.fromObject(ja.get(i)); 
    String ff = jo.getString("ff"); 
                     ...... 

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  • 原文地址:https://www.cnblogs.com/toSeeMyDream/p/6743996.html
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