Java--Json解析
2024-09-06 22:38:16
普通Json
{"code":"S0000", "describe":"数据正常返回", "result":"OK"}
package gsondemo; import java.io.Serializable;
import java.util.List; @SuppressWarnings("serial")
public class Common implements Serializable { private String code;
private String describe;
private String result; public String getCode() {
return code;
} public void setCode(String code) {
this.code = code;
} public String getDescribe() {
return describe;
} public void setDescribe(String describe) {
this.describe = describe;
} public String getResult() {
return result;
} public void setResult(String result) {
this.result = result;
} @Override
public String toString() {
return "Common [code=" + code + ", describe=" + describe + ", result=" + result + "]";
} }
package gsondemo;
import com.google.gson.Gson;
public class CommonAna {
public static void main(String[] args) {
String json = "{\"code\":\"S0000\", \"describe\":\"数据正常返回\", \"result\":\"OK\"}";
Gson gson = new Gson();
Common common = gson.fromJson(json, Common.class);
System.out.println(common);
}
}
嵌套json对象
{"code":"S0000",
"describe":"数据正常返回",
"result":{"accountBlank":"xxxxxx",
"bankAccount":"xxxxxx",
"code":"xxx",
"id":"xxxxxxx",
"kpAddr":"xxxxxx",
"kpCode":"xxxxx",
"kpName":"xxxxx",
"kpTel":"xxx"}}
package gsondemo;
import java.io.Serializable;
@SuppressWarnings("serial")
public class Sub implements Serializable {
private String accountBlank;
private String bankAccount;
private String code;
private String id;
private String kpAddr;
private String kpCode;
private String kpName;
private String kpTel;
public String getAccountBlank() {
return accountBlank;
}
public void setAccountBlank(String accountBlank) {
this.accountBlank = accountBlank;
}
public String getBankAccount() {
return bankAccount;
}
public void setBankAccount(String bankAccount) {
this.bankAccount = bankAccount;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getKpAddr() {
return kpAddr;
}
public void setKpAddr(String kpAddr) {
this.kpAddr = kpAddr;
}
public String getKpCode() {
return kpCode;
}
public void setKpCode(String kpCode) {
this.kpCode = kpCode;
}
public String getKpName() {
return kpName;
}
public void setKpName(String kpName) {
this.kpName = kpName;
}
public String getKpTel() {
return kpTel;
}
public void setKpTel(String kpTel) {
this.kpTel = kpTel;
}
@Override
public String toString() {
return "NuonuoBean_Result [accountBlank=" + accountBlank + ", bankAccount=" + bankAccount + ", code=" + code
+ ", id=" + id + ", kpAddr=" + kpAddr + ", kpCode=" + kpCode + ", kpName=" + kpName + ", kpTel=" + kpTel
+ "]";
}
}
package gsondemo; import java.io.Serializable;
import java.util.List; @SuppressWarnings("serial")
public class CommonWithObject implements Serializable { private String code;
private String describe;
private Sub result; public String getCode() {
return code;
} public void setCode(String code) {
this.code = code;
} public String getDescribe() {
return describe;
} public void setDescribe(String describe) {
this.describe = describe;
} public Sub getResult() {
return result;
} public void setResult(Sub result) {
this.result = result;
} @Override
public String toString() {
return "CommonWithObject [code=" + code + ", describe=" + describe + ", result=" + result + "]";
} }
package gsondemo;
import com.google.gson.Gson;
public class WithObjectAna {
public static void main(String[] args) {
String json = "{\"code\":\"S0000\","
+" \"describe\":\"数据正常返回\","
+" \"result\":{\"accountBlank\":\"xxxxxx\","
+" \"bankAccount\":\"xxxxxx\","
+" \"code\":\"xxx\","
+" \"id\":\"xxxxxxx\","
+" \"kpAddr\":\"xxxxxx\","
+" \"kpCode\":\"xxxxx\","
+" \"kpName\":\"xxxxx\","
+" \"kpTel\":\"xxx\"}}";
Gson gson = new Gson();
CommonWithObject commonWithObject = gson.fromJson(json, CommonWithObject.class);
System.out.println(commonWithObject);
}
}
嵌套json数组
{"code":"S0000",
"describe":"数据正常返回",
"result":[{"accountBlank":"xxxxxx",
"bankAccount":"xxxxxx",
"code":"xxx",
"id":"xxxxxxx",
"kpAddr":"xxxxxx",
"kpCode":"xxxxx",
"kpName":"xxxxx",
"kpTel":"xxx"}]}
package gsondemo; import java.io.Serializable;
import java.util.List; @SuppressWarnings("serial")
public class CommonWithArray implements Serializable { private String code;
private String describe;
private List<Sub> result; public String getCode() {
return code;
} public void setCode(String code) {
this.code = code;
} public String getDescribe() {
return describe;
} public void setDescribe(String describe) {
this.describe = describe;
} public List<Sub> getResult() {
return result;
} public void setResult(List<Sub> result) {
this.result = result;
} @Override
public String toString() {
return "CommonWithObject [code=" + code + ", describe=" + describe + ", result=" + result + "]";
} }
package gsondemo;
import com.google.gson.Gson;
public class WithArrayAna {
public static void main(String[] args) {
String json = "{\"code\":\"S0000\","
+" \"describe\":\"数据正常返回\","
+" \"result\":[{\"accountBlank\":\"xxxxxx\","
+" \"bankAccount\":\"xxxxxx\","
+" \"code\":\"xxx\","
+" \"id\":\"xxxxxxx\","
+" \"kpAddr\":\"xxxxxx\","
+" \"kpCode\":\"xxxxx\","
+" \"kpName\":\"xxxxx\","
+" \"kpTel\":\"xxx\"}]}";
Gson gson = new Gson();
CommonWithArray commonWithArray = gson.fromJson(json, CommonWithArray.class);
System.out.println(commonWithArray);
}
}
主要区别就是bean类的区别，根据解析的情况组合所需要的bean
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