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Json轉(zhuǎn)list二層解析轉(zhuǎn)換代碼實(shí)例

 更新時(shí)間：2020年12月01日 10:18:00   作者：手撕高達(dá)的村長(zhǎng)  
這篇文章主要介紹了Json轉(zhuǎn)list二層解析轉(zhuǎn)換代碼實(shí)例,文中通過(guò)示例代碼介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值,需要的朋友可以參考下

一層結(jié)構(gòu)的數(shù)據(jù)：

{
  "code": "0",
  "results": {
    "boyTotal": 0,
    "classNumber": 0,
    "enrollmentsTotal": 0,
    "girlTotal": 0,
    "mobile": "15969538305",
    "studentTotal": 0,
    "userCode": "141920370",
    "userName": "杜文兵",
    "userType": "1"
  }
}

二層結(jié)構(gòu)的數(shù)據(jù)：

{
  "code": "0",
  "results": {
    "arrayList": [
      {
        "boyNumber": 61,
        "classId": "159",
        "className": "17建筑工程技術(shù)01",
        "deptName": "建筑工程學(xué)院",
        "enrollments": 61,
        "girlNumber": 0,
        "majorName": "建筑工程技術(shù)",
        "studentNumber": 61,
        "year": "2017"
      },
      {
        "boyNumber": 55,
        "classId": "208",
        "className": "17建筑工程技術(shù)02",
        "deptName": "建筑工程學(xué)院",
        "enrollments": 56,
        "girlNumber": 1,
        "majorName": "建筑工程技術(shù)",
        "studentNumber": 56,
        "year": "2017"
      },
      {
        "boyNumber": 56,
        "classId": "209",
        "className": "17建筑工程技術(shù)03",
        "deptName": "建筑工程學(xué)院",
        "enrollments": 56,
        "girlNumber": 0,
        "majorName": "建筑工程技術(shù)",
        "studentNumber": 56,
        "year": "2017"
      },
      {
        "boyNumber": 4,
        "classId": "237",
        "className": "17學(xué)前教育08",
        "deptName": "人文學(xué)院",
        "enrollments": 67,
        "girlNumber": 63,
        "majorName": "學(xué)前教育",
        "studentNumber": 67,
        "year": "2017"
      },
      {
        "boyNumber": 4,
        "classId": "238",
        "className": "17學(xué)前教育09",
        "deptName": "人文學(xué)院",
        "enrollments": 67,
        "girlNumber": 63,
        "majorName": "學(xué)前教育",
        "studentNumber": 67,
        "year": "2017"
      },
      {
        "boyNumber": 5,
        "classId": "239",
        "className": "17學(xué)前教育10",
        "deptName": "人文學(xué)院",
        "enrollments": 67,
        "girlNumber": 62,
        "majorName": "學(xué)前教育",
        "studentNumber": 67,
        "year": "2017"
      }
    ],
    "boyTotal": 185,
    "classNumber": 6,
    "enrollmentsTotal": 374,
    "girlTotal": 189,
    "studentTotal": 374,
    "userCode": "131530220"
  }
}

先上代碼：

JSONObject obj1 = new JSONObject();
    obj1.put("mobile", "13008662173");
    //查詢員工編號(hào)
    
    JSONObject userInfo = ToolsWebReq.sendPost(ToolsWebReq.TEACHER_SERVER_BASE_URL + ToolsWebReq.API_QUERYUSERID,obj1);
    
    List<UserInfo> userInfos = (List<UserInfo>) JsonUtils.JsonToList(userInfo.get("results"), new UserInfo());
     
    String userCode = "";
    if(userInfos != null ){
      for (int i = 0; i < userInfos.size(); i++) {
        UserInfo user = userInfos.get(i);
        userCode = user.getUserCode();
      }
      
    }
    System.out.println("userCode="+userCode);
    
    //通過(guò)員工編號(hào)查詢班級(jí)數(shù)
    List<ClassTeacherE> list2 = null;
        
    JSONObject obj = new JSONObject();
    obj.put("userCode", "131530220");
        
    JSONObject classList = ToolsWebReq.sendPost(ToolsWebReq.TEACHER_SERVER_BASE_URL + ToolsWebReq.API_QUERYCLASSNUM,obj);
    //解析第一層
    JSONObject rs = (JSONObject) classList.get("results");
    //解析第二層
    JSONArray arrayList = (JSONArray) rs.get("arrayList");
    
    List<UserClassInfo> classLists = (List<UserClassInfo>) JsonUtils.JsonToList(rs.get("arrayList"), new UserClassInfo());
    
    System.out.println("classLists.get(0).getClassName()="+classLists.get(0).getClassName());

方法：

package com.xy.common.util;

import java.util.List;

import net.sf.json.JSONArray;
import net.sf.json.JsonConfig;

public class JsonUtils {

  /**
   * json轉(zhuǎn)對(duì)象
   * 
   * @param input
   * @return
   */
  public static List<?> JsonToList(Object object,Object classModel) {
    
    
    JSONArray array = JSONArray.fromObject(object);
    
    List<?>  list2 = net.sf.json.JSONArray.toList(array,classModel, new JsonConfig());//參數(shù)1為要轉(zhuǎn)換的JSONArray數(shù)據(jù)，參數(shù)2為要轉(zhuǎn)換的目標(biāo)數(shù)據(jù)，即List盛裝的數(shù)據(jù)

    return list2;
  }
}

對(duì)象：

package com.xy.web.entity;

import java.util.Date;
import javax.persistence.*;

public class UserInfo {

  private String boyTotal;
  
  private String classNumber;
  
  private String enrollmentsTotal;
  
  private String girlTotal;
  
  /**
   * 聯(lián)系電話
   */
  private String mobile;
  
  private String studentTotal;
  
  /**
   * 用戶賬號(hào)
   */
  private String userCode;
  
  /**
   * userName
   */
  private String userName;
  
  /**
   * 用戶類型（userType）：1-員工，2-學(xué)生
   */
  private String userType;

  public String getBoyTotal() {
    return boyTotal;
  }

  public void setBoyTotal(String boyTotal) {
    this.boyTotal = boyTotal;
  }

  public String getClassNumber() {
    return classNumber;
  }

  public void setClassNumber(String classNumber) {
    this.classNumber = classNumber;
  }

  public String getEnrollmentsTotal() {
    return enrollmentsTotal;
  }

  public void setEnrollmentsTotal(String enrollmentsTotal) {
    this.enrollmentsTotal = enrollmentsTotal;
  }

  public String getGirlTotal() {
    return girlTotal;
  }

  public void setGirlTotal(String girlTotal) {
    this.girlTotal = girlTotal;
  }

  public String getMobile() {
    return mobile;
  }

  public void setMobile(String mobile) {
    this.mobile = mobile;
  }

  public String getStudentTotal() {
    return studentTotal;
  }

  public void setStudentTotal(String studentTotal) {
    this.studentTotal = studentTotal;
  }

  public String getUserCode() {
    return userCode;
  }

  public void setUserCode(String userCode) {
    this.userCode = userCode;
  }

  public String getUserName() {
    return userName;
  }

  public void setUserName(String userName) {
    this.userName = userName;
  }

  public String getUserType() {
    return userType;
  }

  public void setUserType(String userType) {
    this.userType = userType;
  };

}

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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