• alibaba fastjson List<Map<String, String>>2Str


    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;

    import com.alibaba.fastjson.JSON;
    import com.alibaba.fastjson.JSONArray;

     
    public class ListMap2Json {
     
        /**
         * @param Lavender
         */
        public static void main(String[] args) {
            Map<String,String> map1 = new HashMap<String,String>();
            Map<String,String> map2 = new HashMap<String,String>();
            Map<String,String> map3 = new HashMap<String,String>();
            List<Map<String,String>> list = new ArrayList<Map<String,String>>();
            map1.put("name","小明");
            map1.put("age","23");
            map1.put("sex","男");
            list.add(map1);
     
            map2.put("name","小王");
            map2.put("age","24");
            map2.put("sex","女");
            list.add(map2);
     
            map3.put("name","小张");
            map3.put("age","22");
            map3.put("sex","男");
            list.add(map3);
        
            String jsonStr = JSON.toJSONString(list);
            System.out.println(jsonStr);
            
            List<HashMap<String, String>> listMap = new ArrayList<HashMap<String, String>>();

        //string to Object
            listMap = JSON.parseObject(jsonStr, List.class);
            System.out.println(JSON.toJSONString(listMap));
          
     
        }
     
    }

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  • 原文地址:https://www.cnblogs.com/herosoft/p/5717792.html
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