57 lines
1.8 KiB
Java
57 lines
1.8 KiB
Java
import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import java.util.*;
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import java.util.stream.Collectors;
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public class Test3 {
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public static void main(String[] args) {
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JSONArray array = new JSONArray();
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JSONObject jsonObject1 = new JSONObject();
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jsonObject1.put("name", "小三");
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jsonObject1.put("age", "12");
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array.add(jsonObject1);
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JSONObject jsonObject2 = new JSONObject();
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jsonObject2.put("name", "小二");
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jsonObject2.put("age", "17");
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array.add(jsonObject2);
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JSONObject jsonObject3 = new JSONObject();
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jsonObject3.put("name", "小二");
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jsonObject3.put("age", "17");
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array.add(jsonObject3);
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Set<JSONObject> name = array.stream().map(row -> ((JSONObject) row)).collect(Collectors.toSet());
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HashMap<String, JSONObject> name1 = array.stream().collect(HashMap::new, (k, v) -> k.put(((JSONObject) v).getString("name"), (JSONObject) v), HashMap::putAll);
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HashSet<JSONObject> collect = array.stream().collect(HashSet::new, (k, v) -> k.add((JSONObject) v), HashSet::addAll);
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collect.stream().forEach(json -> a(json.getString("name")));
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List<Map> maps = new ArrayList<>();
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HashMap<String, String> map = new HashMap<>();
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map.put("storagevehicle_code","1");
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map.put("storagevehicle_name","sadfs");
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maps.add(map);
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HashMap<String, String> map2 = new HashMap<>();
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map2.put("storagevehicle_code","2");
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map2.put("storagevehicle_name","sdfd");
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maps.add(map2);
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boolean age = array.stream().filter(row -> ((JSONObject) row).getString("age").equals("18")).findAny().isPresent();
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System.out.println(age);
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}
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public static void a(String name) {
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}
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public static void b(String name) {
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}
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}
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