Java JsonSyntaxException:应为字符串,但为BEGIN\u数组
请帮助我获取bom表属性中的子节点列表 JSON文件Java JsonSyntaxException:应为字符串,但为BEGIN\u数组,java,parsing,exception,gson,pojo,Java,Parsing,Exception,Gson,Pojo,请帮助我获取bom表属性中的子节点列表 JSON文件 [ { "subConfigId":"bac", "totalPrice":"634.00", "bom":{ "ucid":"ucid", "type":"RootNode", "attributes":{ "visible":true, "price_status":"SUCCESS" }, "subnodes":[
[
{
"subConfigId":"bac",
"totalPrice":"634.00",
"bom":{
"ucid":"ucid",
"type":"RootNode",
"attributes":{
"visible":true,
"price_status":"SUCCESS"
},
"subnodes":[
{
"description":"Enterprise Shock Rack",
"ucid":"ucid"
},
{
"description":"SVC",
"ucid":"ucid"
}
]
},
"breakdown":{
"SV":550.0,
"HW":6084.0
},
"currency":"USD"
}
]
GsonNodes.java
import java.io.FileReader;
import java.io.IOException;
import java.util.Iterator;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
public class GsonNodes {
public static void main(String[] args) throws IOException {
try{
JsonElement je = new JsonParser().parse(new FileReader(
"C:/Desktop/json.txt"));
JsonArray ja = je.getAsJsonArray();
Iterator itr = ja.iterator();
while(itr.hasNext()){
JsonElement je1 = (JsonElement) itr.next();
Gson gson = new Gson();
Details details = gson.fromJson(je1, Details.class);
System.out.println(details.getSubConfigId());
System.out.println(details.getCurrency());
System.out.println(details.getBreakdown());
System.out.println(details.getTotalPrice());
System.out.println(details.getBom().getUcid());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
Details.javapojo
import java.io.Serializable;
import java.util.Map;
public class Details implements Serializable{
private String subConfigId;
private String totalPrice;
private Bom bom;
private String currency;
private Map<String, String> breakdown;
public String getSubConfigId() {
return subConfigId;
}
public void setSubConfigId(String subConfigId) {
this.subConfigId = subConfigId;
}
public String getTotalPrice() {
return totalPrice;
}
public void setTotalPrice(String totalPrice) {
this.totalPrice = totalPrice;
}
public Bom getBom() {
return bom;
}
public void setBom(Bom bom) {
this.bom = bom;
}
public String getCurrency() {
return currency;
}
public void setCurrency(String currency) {
this.currency = currency;
}
public Map<String, String> getBreakdown() {
return breakdown;
}
public void setBreakdown(Map<String, String> breakdown) {
this.breakdown = breakdown;
}
}
import java.io.Serializable;
导入java.util.Map;
公共类详细信息实现可序列化{
私有字符串子类figid;
私有字符串总价格;
私有物料清单;
私人字符串货币;
私人地图分类;
公共字符串getSubsubfigid(){
返回分包figid;
}
public void setSubConfigId(字符串subConfigId){
this.subsubfigid=subsubfigid;
}
公共字符串getTotalPrice(){
返回总价;
}
公共无效setTotalPrice(字符串totalPrice){
this.totalPrice=totalPrice;
}
公共Bom getBom(){
返回bom;
}
公共空立根(Bom){
this.bom=bom;
}
公共字符串getCurrency(){
返回货币;
}
公共无效设置货币(字符串货币){
这个。货币=货币;
}
公共地图getBreakdown(){
退货明细表;
}
公共空间退避区(地图细分){
这个.分解=分解;
}
}
java
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class Bom implements Serializable{
private String ucid;
private String type;
private Map<String, String> attributes;
private List<Subnodes> subnodes = new ArrayList<Subnodes>();
public String getUcid() {
return ucid;
}
public void setUcid(String ucid) {
this.ucid = ucid;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public Map<String, String> getAttributes() {
return attributes;
}
public void setAttributes(Map<String, String> attributes) {
this.attributes = attributes;
}
@Override
public String toString(){
return getUcid() + ", "+getType()+", "+getAttributes();
}
}
import java.io.Serializable;
导入java.util.ArrayList;
导入java.util.List;
导入java.util.Map;
公共类Bom实现了可序列化{
私有字符串ucid;
私有字符串类型;
私有地图属性;
私有列表子节点=新的ArrayList();
公共字符串getUcid(){
返回ucid;
}
公共无效设置ucid(字符串ucid){
this.ucid=ucid;
}
公共字符串getType(){
返回类型;
}
公共void集合类型(字符串类型){
this.type=type;
}
公共映射getAttributes(){
返回属性;
}
公共void集合属性(映射属性){
this.attributes=属性;
}
@凌驾
公共字符串toString(){
返回getUcid()+“,“+getType()+”,“+getAttributes()”;
}
}
Subnodes.java
import java.io.Serializable;
import java.util.Map;
public class Subnodes implements Serializable{
private String description;
private String ucid;
private Map<String, String> attributes;
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getUcid() {
return ucid;
}
public void setUcid(String ucid) {
this.ucid = ucid;
}
public Map<String, String> getAttributes() {
return attributes;
}
public void setAttributes(Map<String, String> attributes) {
this.attributes = attributes;
}
}
import java.io.Serializable;
导入java.util.Map;
公共类子节点实现可序列化{
私有字符串描述;
私有字符串ucid;
私有地图属性;
公共字符串getDescription(){
返回说明;
}
公共void集合描述(字符串描述){
this.description=描述;
}
公共字符串getUcid(){
返回ucid;
}
公共无效设置ucid(字符串ucid){
this.ucid=ucid;
}
公共映射getAttributes(){
返回属性;
}
公共void集合属性(映射属性){
this.attributes=属性;
}
}
我尝试获取“子节点”时出错
我在类中添加了以下代码
private List<Subnodes> subnodes = new ArrayList<Subnodes>();
private List subnodes=new ArrayList();
然后,我得到了错误“预期字符串,但是BEGIN\u数组”
请帮助我如何获得Bom.java中的“子节点”列表
请为以下内容添加一个getter/setter方法:
private List<Subnodes> subnodes = new ArrayList<Subnodes>();
public List<Subnodes> getSubnodes() {
return subnodes;
}
public void setSubnodes(List<Subnodes> subnodes) {
this.subnodes = subnodes;
}
我添加了一个将json转换为字符串的方法,如下所示:
public static String readFile(String filename) {
String result = "";
try {
BufferedReader br = new BufferedReader(new FileReader(filename));
StringBuilder sb = new StringBuilder();
String line = br.readLine();
while (line != null) {
sb.append(line);
line = br.readLine();
}
result = sb.toString();
} catch(Exception e) {
e.printStackTrace();
}
return result;
}
并使用如下方法:
JsonElement je = new JsonParser().parse(readFile("C:/Desktop/json.txt"));
我试过了,但是我得到了以下错误java.lang.IllegalStateException:应该是字符串,但在com.google.gson.internal.bind.jsonterereader.nextString(jsonterereader.java:154)com.google.gson.internal.bind.TypeAdapters$13.read(TypeAdapters.java:349)上是BEGIN\u数组。你能分享完整的堆栈跟踪吗?谢谢patel。。如何像这样转换“[{\”subsubfigid\”:“bac\”,“totalPrice\”无需转换为字符串..它也可以像您一样处理json文件。它可能会产生依赖性问题…我在下面使用了依赖性..com.google.code.gson gson 2.1它也可能会产生文件问题..请尝试创建新的json文件
JsonElement je = new JsonParser().parse(readFile("C:/Desktop/json.txt"));