java 通过 list- 实现 json 生成
博客分类： javajson java实现json拼接
程序员文章站
2024-02-12 08:35:46
...
java 实现 json 拼接
功能：通过 item 添加数据的方式 ，解析拼接成 json 字符串
待优化项： 使用 jsonobject.put(name,value) 而并非 map.put(name,value)
结果展示
[
{"gId":0,"id":1,"name":"config_latest_version","pId":0,"type":1,"value":"1.0.43"},
{"gId":0,"id":2,"name":"app_info","pId":0,"type":2},
{"gId":0,"id":3,"name":"app_latest_version","pId":2,"type":1,"value":"3.1.44"},
{"gId":0,"id":4,"name":"app_version_illustration","pId":2,"type":1,"value":"www.baoyou.com android版本3.1.44"},
{"gId":0,"id":5,"name":"country_code","pId":0,"type":3},
{"gId":1,"id":6,"name":"code","pId":5,"type":1,"value":"1"},
{"gId":1,"id":7,"name":"value","pId":5,"type":1,"value":"+86"},
{"gId":1,"id":8,"name":"sequence","pId":5,"type":1,"value":"1"},
{"gId":0,"id":9,"name":"slide_show_list","pId":0,"type":3},
{"gId":1,"id":10,"name":"type","pId":9,"type":1,"value":"slide_show_001"},
{"gId":1,"id":11,"name":"effective_start_time","pId":9,"type":1,"value":"2016-09-06 08:00:00"},
{"gId":1,"id":12,"name":"effective_end_time","pId":9,"type":1,"value":"2016-09-06 08:00:00"},
{"gId":1,"id":13,"name":"times","pId":9,"type":1,"value":"3"},
{"gId":1,"id":14,"name":"sequence","pId":9,"type":1,"value":"1"},
{"gId":1,"id":15,"name":"picture_list","pId":9,"type":3},
{"gId":1,"id":16,"name":"code","pId":15,"type":1,"value":"1"},
{"gId":1,"id":17,"name":"vale","pId":15,"type":1,"value":"https://www.baoyou.com/function_introduction/1.png?version=2016930"},
{"gId":1,"id":18,"name":"url","pId":15,"type":1,"value":""},
{"gId":1,"id":19,"name":"sequence","pId":15,"type":1,"value":"1"},
{"gId":2,"id":20,"name":"code","pId":15,"type":1,"value":"2"},
{"gId":2,"id":21,"name":"vale","pId":15,"type":1,"value":"https://www.baoyou.com/function_introduction/2.png?version=2016930"},
{"gId":2,"id":22,"name":"url","pId":15,"type":1,"value":""},
{"gId":2,"id":23,"name":"sequence","pId":15,"type":1,"value":"2"},
{"gId":3,"id":24,"name":"code","pId":15,"type":1,"value":"3"},
{"gId":3,"id":25,"name":"vale","pId":15,"type":1,"value":"https://www.baoyou.com/function_introduction/3.png?version=20161129"},
{"gId":3,"id":26,"name":"url","pId":15,"type":1,"value":""},
{"gId":3,"id":27,"name":"sequence","pId":15,"type":1,"value":"3"},
{"gId":2,"id":28,"name":"type","pId":9,"type":1,"value":"slide_show_002"},
{"gId":2,"id":29,"name":"effective_start_time","pId":9,"type":1,"value":"2016-09-06 08:00:00"},
{"gId":2,"id":30,"name":"effective_end_time","pId":9,"type":1,"value":"2016-09-06 08:00:00"},
{"gId":2,"id":31,"name":"times","pId":9,"type":1,"value":"3"},
{"gId":2,"id":32,"name":"sequence","pId":9,"type":1,"value":"2"},
{"gId":2,"id":33,"name":"picture_list","pId":9,"type":3},
{"gId":1,"id":34,"name":"code","pId":33,"type":1,"value":"1"},
{"gId":1,"id":35,"name":"vale","pId":33,"type":1,"value":"https://www.baoyou.com/function_introduction/1.png?version=2016930"},
{"gId":1,"id":36,"name":"url","pId":33,"type":1,"value":""},
{"gId":1,"id":37,"name":"sequence","pId":33,"type":1,"value":"1"},
{"gId":2,"id":38,"name":"code","pId":33,"type":1,"value":"2"},
{"gId":2,"id":39,"name":"vale","pId":33,"type":1,"value":"https://www.baoyou.com/function_introduction/2.png?version=2016930"},
{"gId":2,"id":40,"name":"url","pId":33,"type":1,"value":""},
{"gId":2,"id":41,"name":"sequence","pId":33,"type":1,"value":"2"}
]
{
"app_info": {
"app_latest_version": "3.1.44",
"app_version_illustration": "www.baoyou.com android版本3.1.44"
},
"config_latest_version": "1.0.43",
"country_code": [
{
"code": "1",
"sequence": "1",
"value": "+86"
}
],
"slide_show_list": [
{
"effective_end_time": "2016-09-06 08:00:00",
"effective_start_time": "2016-09-06 08:00:00",
"picture_list": [
{
"code": "3",
"sequence": "3",
"url": "",
"vale": "https://www.baoyou.com/function_introduction/3.png?version=20161129"
},
{
"code": "2",
"sequence": "2",
"url": "",
"vale": "https://www.baoyou.com/function_introduction/2.png?version=2016930"
},
{
"code": "1",
"sequence": "1",
"url": "",
"vale": "https://www.baoyou.com/function_introduction/1.png?version=2016930"
}
],
"sequence": "1",
"times": "3",
"type": "slide_show_001"
},
{
"effective_end_time": "2016-09-06 08:00:00",
"effective_start_time": "2016-09-06 08:00:00",
"picture_list": [
{
"code": "2",
"sequence": "2",
"url": "",
"vale": "https://www.baoyou.com/function_introduction/2.png?version=2016930"
},
{
"code": "1",
"sequence": "1",
"url": "",
"vale": "https://www.baoyou.com/function_introduction/1.png?version=2016930"
}
],
"sequence": "2",
"times": "3",
"type": "slide_show_002"
}
]
}
代码部分：
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface TreeNodeGId
{
}
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface TreeNodeId
{
}
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.google.common.collect.Lists;
import www.baoyou.com.annotation.TreeNodeGId;
import www.baoyou.com.annotation.TreeNodeId;
import www.baoyou.com.annotation.TreeNodeName;
import www.baoyou.com.annotation.TreeNodePId;
import www.baoyou.com.annotation.TreeNodeType;
import www.baoyou.com.annotation.TreeNodeValue;
import www.baoyou.com.util.node.BuildHelper;
import www.baoyou.com.util.node.JsonHelper;
public class Item {
/*
[
{ id:1, pId:0,gid:null,type:"1", name:"config_latest_version", open:true，value:"1.0.43"},
{ id:2, pId:0,gid:null,type:"2", name:"app_info", open:true},
{ id:3, pId:2,gid:null,type:"1", name:"app_latest_version",value:"3.1.44"},
{ id:4, pId:2,gid:null,type:"1", name:"app_version_illustration",value:"www.baoyou.com android版本3.1.44"},
{ id:5, pId:0,gid:null,type:"3", name:"country_code"},
{ id:6, pId:5,gid:1,type:"1", name:"code",value:"1"},
{ id:7, pId:5,gid:1,type:"1", name:"value",value:"+86"},
{ id:8, pId:5,gid:1,type:"1", name:"sequence",value:"1"}
{ id:9, pId:0,gid:0,type:"3", name:"slide_show_list"},
{ id:10, pId:9,gid:1,type:"3", name:"type",value:"slide_show_001"},
{ id:11, pId:9,gid:1,type:"3", name:"effective_start_time",value:"2016-09-06 08:00:00"},
{ id:12, pId:9,gid:1,type:"3", name:"effective_end_time",value:"2016-12-06 08:00:00"},
{ id:13, pId:9,gid:1,type:"3", name:"times",value:"3"},
{ id:14, pId:9,gid:1,type:"3", name:"sequence",value:"1"},
{ id:15, pId:9,gid:1,type:"3", name:"picture_list"},
{ id:16, pId:15,gid:1,type:"3", name:"code",value:"1"},
{ id:17, pId:15,gid:1,type:"3", name:"vale",value:"https://www.baoyou.com/1.png?version=2016930"},
{ id:18, pId:15,gid:1,type:"3", name:"url",value:""},
{ id:19, pId:15,gid:1,type:"3", name:"sequence",value:"1"},
{ id:20, pId:15,gid:2,type:"3", name:"code",value:"2"},
{ id:21, pId:15,gid:2,type:"3", name:"vale",value:"https://www.baoyou.com/2.png?version=2016930"},
{ id:22, pId:15,gid:2,type:"3", name:"url",value:""},
{ id:23, pId:15,gid:2,type:"3", name:"sequence",value:"2"},
{ id:24, pId:15,gid:3,type:"3", name:"code",value:"3"},
{ id:25, pId:15,gid:3,type:"3", name:"vale",value:"https://www.baoyou.com/3.png?version=20161129"},
{ id:26, pId:15,gid:3,type:"3", name:"url",value:""},
{ id:27, pId:15,gid:3,type:"3", name:"sequence",value:"3"}
{ id:28, pId:9,gid:2,type:"3", name:"type",value:"slide_show_002"},
{ id:29, pId:9,gid:2,type:"3", name:"effective_start_time",value:"2016-09-06 08:00:00"},
{ id:30, pId:9,gid:2,type:"3", name:"effective_end_time",value:"2016-12-06 08:00:00"},
{ id:31, pId:9,gid:2,type:"3", name:"times",value:"3"},
{ id:32, pId:9,gid:2,type:"3", name:"sequence",value:"1"},
{ id:33, pId:9,gid:2,type:"3", name:"picture_list"},
{ id:34, pId:33,gid:1,type:"3", name:"code",value:"4"},
{ id:35, pId:33,gid:1,type:"3", name:"vale",value:"https://www.baoyou.com/carouselfigure02.png?version=2016930"},
{ id:36, pId:33,gid:1,type:"3", name:"url",value:""},
{ id:37, pId:33,gid:1,type:"3", name:"sequence",value:"4"},
{ id:38, pId:33,gid:2,type:"3", name:"code",value:"5"},
{ id:39, pId:33,gid:2,type:"3", name:"vale",value:"https://www.baoyou.com/carouselfigure02.png?version=2016930"},
{ id:40, pId:33,gid:2,type:"3", name:"url",value:""},
{ id:41, pId:33,gid:2,type:"3", name:"sequence",value:"5"}
]
*/
public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException {
// Item(int id, int pId, int type, int gId, String name, String value)
Item item1 = new Item(1,0,1,0,"config_latest_version","1.0.43");
Item item2 = new Item(2,0,2,0,"app_info",null);
Item item3 = new Item(3,2,1,0,"app_latest_version","3.1.44");
Item item4 = new Item(4,2,1,0,"app_version_illustration","android版本3.1.44");
Item item5 = new Item(5,0,3,0,"country_code",null);
Item item6 = new Item(6,5,1,1,"code","1");
Item item7 = new Item(7,5,1,1,"value","+86");
Item item8 = new Item(8,5,1,1,"sequence","1");
Item item9 = new Item(9,5,1,2,"code","2");
Item item10 = new Item(10,5,1,2,"value","+001");
Item item11 = new Item(11,5,1,2,"sequence","2");
Map map = new TreeMap<String,String>();
map.put(item1.name, item1.value);
Map map2 = new TreeMap<String,String>();
map2.put(item3.name, item3.value);
map2.put(item4.name, item4.value);
map.put(item2.name, map2);
Map map6 = new TreeMap<String,String>();
map6.put(item6.name, item6.value);
map6.put(item7.name, item7.value);
map6.put(item8.name, item8.value);
List list = new ArrayList<Map>();
list.add(map6);
map.put(item5.name,list);
System.out.println(JSON.toJSONString(map2));
System.out.println(JSON.toJSONString(map));
List <Item> original = Lists.newArrayList(item1,item2,item3,item4,item5,item6,item7,item8,item9,item10,item11);
List<Node> convertDatas2Nodes = BuildHelper.convertDatas2Nodes(original);
List<Node> sortedNodes = BuildHelper.getSortedNodes(convertDatas2Nodes);
Map result = JsonHelper.getResult(sortedNodes);
System.out.println(JSON.toJSONString(result,SerializerFeature.DisableCircularReferenceDetect));
}
@TreeNodeId
public int id = 0;
@TreeNodePId
public int pId = 0;
@TreeNodeType
public int type = 1; // 1:k-v 2:k-o 3:k-l
@TreeNodeGId
public int gId = 0; // 3 存在 1 null 2 null
@TreeNodeName
public String name = null;
@TreeNodeValue
public String value = null; // 1 存在 2 null 3 null
public Item(int id, int pId, int type, int gId, String name, String value) {
this.id = id;
this.pId = pId;
this.type = type;
this.gId = gId;
this.name = name;
this.value = value;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getpId() {
return pId;
}
public void setpId(int pId) {
this.pId = pId;
}
public int getType() {
return type;
}
public void setType(int type) {
this.type = type;
}
public int getgId() {
return gId;
}
public void setgId(int gId) {
this.gId = gId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
@Override
public String toString() {
return "Item [name=" + name + ", value=" + value + "]";
}
}
import java.util.ArrayList;
import java.util.List;
import www.baoyou.com.annotation.TreeNodeGId;
import www.baoyou.com.annotation.TreeNodeId;
import www.baoyou.com.annotation.TreeNodeName;
import www.baoyou.com.annotation.TreeNodePId;
import www.baoyou.com.annotation.TreeNodeType;
import www.baoyou.com.annotation.TreeNodeValue;
public class Node {
@TreeNodeId
public int id = 0;
@TreeNodePId
public int pId = 0;
@TreeNodeType
public int type = 1; // 1:k-v 2:k-o 3:k-l
@TreeNodeGId
public int gId = 0; // 3 存在 1 null 2 null
@TreeNodeName
public String name = null;
@TreeNodeValue
public String value = null; // 1 存在 2 null 3 null
public int level;
public boolean isLeaf;
private Node parent;
public List<Node> child= new ArrayList<Node>();
public Node(){}
public Node(int id, int pId, int type, int gId, String name, String value) {
this.id = id;
this.pId = pId;
this.type = type;
this.gId = gId;
this.name = name;
this.value = value;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getpId() {
return pId;
}
public void setpId(int pId) {
this.pId = pId;
}
public int getType() {
return type;
}
public void setType(int type) {
this.type = type;
}
public int getgId() {
return gId;
}
public void setgId(int gId) {
this.gId = gId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
public int getLevel() {
return parent == null ? 1 : parent.getLevel() + 1;
}
public void setLevel(int level) {
this.level = level;
}
public boolean isLeaf() {
return this.child.size() == 0;
}
public List<Node> getChild() {
return child;
}
public void setChild(List<Node> child) {
this.child = child;
}
public Node getParent() {
return parent;
}
public void setParent(Node parent) {
this.parent = parent;
}
public boolean isRoot(){
return this.parent == null;
}
}
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import com.alibaba.fastjson.JSON;
import com.google.common.collect.Lists;
import www.baoyou.com.annotation.TreeNodeGId;
import www.baoyou.com.annotation.TreeNodeId;
import www.baoyou.com.annotation.TreeNodeName;
import www.baoyou.com.annotation.TreeNodePId;
import www.baoyou.com.annotation.TreeNodeType;
import www.baoyou.com.annotation.TreeNodeValue;
import www.baoyou.com.entity.Item;
import www.baoyou.com.entity.Node;
public class BuildHelper {
@SuppressWarnings("rawtypes")
public static <T> List<Node> convertDatas2Nodes(List<T> datas)
throws IllegalArgumentException, IllegalAccessException
{
List<Node> nodes = new ArrayList<Node>();
Node node = null;
for (T t : datas)
{
int id = 0;
int pId = 0;
int type = 1; // 1:k-v 2:k-o 3:k-l
int gId = 0; // 3 存在 1 null 2 null
String name = null;
String value= null;
node = new Node();
Class clazz = t.getClass();
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields)
{
if (field.getAnnotation(TreeNodeId.class) != null)
{
field.setAccessible(true);
id = field.getInt(t);
}
if (field.getAnnotation(TreeNodePId.class) != null)
{
field.setAccessible(true);
pId = field.getInt(t);
}
if (field.getAnnotation(TreeNodeType.class) != null)
{
field.setAccessible(true);
type = field.getInt(t);
}
if (field.getAnnotation(TreeNodeGId.class) != null)
{
field.setAccessible(true);
gId = field.getInt(t);
}
if (field.getAnnotation(TreeNodeName.class) != null)
{
field.setAccessible(true);
name = (String) field.get(t);
}
if (field.getAnnotation(TreeNodeValue.class) != null)
{
field.setAccessible(true);
value = (String) field.get(t);
}
}
node = new Node(id, pId, type, gId, name, value);
nodes.add(node);
}
for (int i = 0; i < nodes.size(); i++)
{
Node n = nodes.get(i);
for (int j = i + 1; j < nodes.size(); j++)
{
Node m = nodes.get(j);
if (m.getpId() == n.getId())
{
n.getChild().add(m);
m.setParent(n);
} else if (m.getId() == n.getpId())
{
m.getChild().add(n);
n.setParent(m);
}
}
}
//System.out.println(JSON.toJSONString(nodes,SerializerFeature.DisableCircularReferenceDetect) );
return nodes;
}
public static <T> List<Node> getSortedNodes(List<T> datas) throws IllegalArgumentException,
IllegalAccessException
{
List<Node> nodes = convertDatas2Nodes(datas);
return getRootNodes(nodes);
}
private static List<Node> getRootNodes(List<Node> nodes)
{
List<Node> root = new ArrayList<Node>();
for (Node node : nodes)
{
if (node.isRoot())
{
root.add(node);
}
}
return root;
}
/*
[
{ id:1, pId:0,gid:null,type:"1", name:"config_latest_version", open:true，value:"1.0.43"},
{ id:2, pId:0,gid:null,type:"2", name:"app_info", open:true},
{ id:3, pId:2,gid:null,type:"1", name:"app_latest_version",value:"3.1.44"},
{ id:4, pId:2,gid:null,type:"1", name:"app_version_illustration",value:"www.baoyou.com android版本3.1.44"},
{ id:5, pId:0,gid:null,type:"3", name:"country_code"},
{ id:6, pId:5,gid:1,type:"1", name:"code",value:"1"},
{ id:7, pId:5,gid:1,type:"1", name:"value",value:"+86"},
{ id:8, pId:5,gid:1,type:"1", name:"sequence",value:"1"}
{ id:9, pId:0,gid:0,type:"3", name:"slide_show_list"},
{ id:10, pId:9,gid:1,type:"1", name:"type",value:"slide_show_001"},
{ id:11, pId:9,gid:1,type:"1", name:"effective_start_time",value:"2016-09-06 08:00:00"},
{ id:12, pId:9,gid:1,type:"1", name:"effective_end_time",value:"2016-12-06 08:00:00"},
{ id:13, pId:9,gid:1,type:"1", name:"times",value:"3"},
{ id:14, pId:9,gid:1,type:"1", name:"sequence",value:"1"},
{ id:15, pId:9,gid:1,type:"3", name:"picture_list"},
{ id:16, pId:15,gid:1,type:"3", name:"code",value:"1"},
{ id:17, pId:15,gid:1,type:"3", name:"vale",value:"https://www.baoyou.com/function_introduction/1.png?version=2016930"},
{ id:18, pId:15,gid:1,type:"3", name:"url",value:""},
{ id:19, pId:15,gid:1,type:"3", name:"sequence",value:"1"},
{ id:20, pId:15,gid:2,type:"3", name:"code",value:"2"},
{ id:21, pId:15,gid:2,type:"3", name:"vale",value:"https://www.baoyou.com/function_introduction/2.png?version=2016930"},
{ id:22, pId:15,gid:2,type:"3", name:"url",value:""},
{ id:23, pId:15,gid:2,type:"3", name:"sequence",value:"2"},
{ id:24, pId:15,gid:3,type:"3", name:"code",value:"3"},
{ id:25, pId:15,gid:3,type:"3", name:"vale",value:"https://www.baoyou.com/function_introduction/3.png?version=20161129"},
{ id:26, pId:15,gid:3,type:"3", name:"url",value:""},
{ id:27, pId:15,gid:3,type:"3", name:"sequence",value:"3"}
{ id:28, pId:9,gid:2,type:"3", name:"type",value:"slide_show_002"},
{ id:29, pId:9,gid:2,type:"3", name:"effective_start_time",value:"2016-09-06 08:00:00"},
{ id:30, pId:9,gid:2,type:"3", name:"effective_end_time",value:"2016-12-06 08:00:00"},
{ id:31, pId:9,gid:2,type:"3", name:"times",value:"3"},
{ id:32, pId:9,gid:2,type:"3", name:"sequence",value:"1"},
{ id:33, pId:9,gid:2,type:"3", name:"picture_list"},
{ id:34, pId:33,gid:1,type:"3", name:"code",value:"4"},
{ id:35, pId:33,gid:1,type:"3", name:"vale",value:"https://www.baoyou.com/function_introduction/carouselfigure02.png?version=2016930"},
{ id:36, pId:33,gid:1,type:"3", name:"url",value:""},
{ id:37, pId:33,gid:1,type:"3", name:"sequence",value:"4"},
{ id:38, pId:33,gid:2,type:"3", name:"code",value:"5"},
{ id:39, pId:33,gid:2,type:"3", name:"vale",value:"https://www.baoyou.com/function_introduction/carouselfigure02.png?version=2016930"},
{ id:40, pId:33,gid:2,type:"3", name:"url",value:""},
{ id:41, pId:33,gid:2,type:"3", name:"sequence",value:"5"}
]
*/
@SuppressWarnings({ "unused", "rawtypes" })
public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException {
Item item1 = new Item(1,0,1,0,"config_latest_version","1.0.43");
Item item2 = new Item(2,0,2,0,"app_info",null);
Item item3 = new Item(3,2,1,0,"app_latest_version","3.1.44");
Item item4 = new Item(4,2,1,0,"app_version_illustration","www.baoyou.com android版本3.1.44");
Item item5 = new Item(5,0,3,0,"country_code",null);
Item item6 = new Item(6,5,1,1,"code","1");
Item item7 = new Item(7,5,1,1,"value","+86");
Item item8 = new Item(8,5,1,1,"sequence","1");
Item item9 = new Item(9,0,3,0,"slide_show_list",null);
Item item10 = new Item(10,9,1,1,"type","slide_show_001");
Item item11 = new Item(11,9,1,1,"effective_start_time","2016-09-06 08:00:00");
Item item12 = new Item(12,9,1,1,"effective_end_time","2016-09-06 08:00:00");
Item item13 = new Item(13,9,1,1,"times","3");
Item item14 = new Item(14,9,1,1,"sequence","1");
Item item15 = new Item(15,9,3,1,"picture_list",null);
Item item16 = new Item(16,15,1,1,"code","1");
Item item17 = new Item(17,15,1,1,"vale","https://www.baoyou.com/function_introduction/1.png?version=2016930");
Item item18 = new Item(18,15,1,1,"url","");
Item item19 = new Item(19,15,1,1,"sequence","1");
Item item20 = new Item(20,15,1,2,"code","2");
Item item21 = new Item(21,15,1,2,"vale","https://www.baoyou.com/function_introduction/2.png?version=2016930");
Item item22 = new Item(22,15,1,2,"url","");
Item item23 = new Item(23,15,1,2,"sequence","2");
Item item24 = new Item(24,15,1,3,"code","3");
Item item25 = new Item(25,15,1,3,"vale","https://www.baoyou.com/function_introduction/3.png?version=20161129");
Item item26 = new Item(26,15,1,3,"url","");
Item item27 = new Item(27,15,1,3,"sequence","3");
Item item28 = new Item(28,9,1,2,"type","slide_show_002");
Item item29 = new Item(29,9,1,2,"effective_start_time","2016-09-06 08:00:00");
Item item30 = new Item(30,9,1,2,"effective_end_time","2016-09-06 08:00:00");
Item item31 = new Item(31,9,1,2,"times","3");
Item item32 = new Item(32,9,1,2,"sequence","2");
Item item33 = new Item(33,9,3,2,"picture_list",null);
Item item34 = new Item(34,33,1,1,"code","1");
Item item35 = new Item(35,33,1,1,"vale","https://www.baoyou.com/function_introduction/1.png?version=2016930");
Item item36 = new Item(36,33,1,1,"url","");
Item item37 = new Item(37,33,1,1,"sequence","1");
Item item38 = new Item(38,33,1,2,"code","2");
Item item39 = new Item(39,33,1,2,"vale","https://www.baoyou.com/function_introduction/2.png?version=2016930");
Item item40 = new Item(40,33,1,2,"url","");
Item item41 = new Item(41,33,1,2,"sequence","2");
List <Item> list = Lists.newArrayList(item1,item2,item3,item4,item5,item6,item7,item8,item9,item10
,item11,item12,item13,item14,item15,item16,item17,item18,item19,item20
,item21,item22,item23,item24,item25,item26,item27
,item28,item29,item30
,item31,item32,item33,item34,item35,item36,item37,item38,item39,item40
,item41
);
List<Node> nodes = convertDatas2Nodes(list);
List<Node> sortedNodes = getSortedNodes(nodes);
System.out.println(JSON.toJSONString(sortedNodes) );
Map mapresult = new TreeMap<String,String>();
Map result = JsonHelper.getResult(sortedNodes);
System.out.println(JSON.toJSONString(result));
}
}
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import www.baoyou.com.entity.Node;
public class JsonHelper {
@SuppressWarnings({ "rawtypes" })
public static Map getResult2(List<Node> list){
return getResult(list);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public static List getResult3(List<Node> list){
List root = new ArrayList<Map>();
Map<String,List> ll = new HashMap<String,List>();
for (Node n :list) {
List llist = ll.get(n.pId +"@"+n.gId);
if(llist == null){
llist = new ArrayList<Node>();
}
llist.add(n);
ll.put(n.pId +"@"+n.gId,llist);
}
for (List<Node> lnode : ll.values()) {
root.add(getResult(lnode));
}
return root;
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public static Map getResult(List<Node> list){
Map map = new TreeMap();
for (Node n : list) {
switch (n.type) {
case 1:
map.put(n.name, n.value);
break;
case 2:
map.put(n.name,getResult2(n.child));
break;
case 3:
map.put(n.name,getResult3(n.child));
break;
default:
break;
}
}
return map;
}
}
捐助开发者
在兴趣的驱动下,写一个免费的东西，有欣喜，也还有汗水，希望你喜欢我的作品，同时也能支持一下。 当然，有钱捧个钱场（支持支付宝和微信 以及扣扣群），没钱捧个人场，谢谢各位。
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