Json转list，二层解析转换

Json转list，二层解析转换

一层结构的数据：

{

    "code": "0",

    "results": {

        "boyTotal": 0,

        "classNumber": 0,

        "enrollmentsTotal": 0,

        "girlTotal": 0,

        "mobile": "15969538305",

        "studentTotal": 0,

        "userCode": "141920370",

        "userName": "杜文兵",

        "userType": "1"

    }

}

二层结构的数据：

{

    "code": "0",

    "results": {

        "arrayList": [

            {

                "boyNumber": 61,

                "classId": "159",

                "className": "17建筑工程技术01",

                "deptName": "建筑工程学院",

                "enrollments": 61,

                "girlNumber": 0,

                "majorName": "建筑工程技术",

                "studentNumber": 61,

                "year": "2017"

            },

            {

                "boyNumber": 55,

                "classId": "208",

                "className": "17建筑工程技术02",

                "deptName": "建筑工程学院",

                "enrollments": 56,

                "girlNumber": 1,

                "majorName": "建筑工程技术",

                "studentNumber": 56,

                "year": "2017"

            },

            {

                "boyNumber": 56,

                "classId": "209",

                "className": "17建筑工程技术03",

                "deptName": "建筑工程学院",

                "enrollments": 56,

                "girlNumber": 0,

                "majorName": "建筑工程技术",

                "studentNumber": 56,

                "year": "2017"

            },

            {

                "boyNumber": 4,

                "classId": "237",

                "className": "17学前教育08",

                "deptName": "人文学院",

                "enrollments": 67,

                "girlNumber": 63,

                "majorName": "学前教育",

                "studentNumber": 67,

                "year": "2017"

            },

            {

                "boyNumber": 4,

                "classId": "238",

                "className": "17学前教育09",

                "deptName": "人文学院",

                "enrollments": 67,

                "girlNumber": 63,

                "majorName": "学前教育",

                "studentNumber": 67,

                "year": "2017"

            },

            {

                "boyNumber": 5,

                "classId": "239",

                "className": "17学前教育10",

                "deptName": "人文学院",

                "enrollments": 67,

                "girlNumber": 62,

                "majorName": "学前教育",

                "studentNumber": 67,

                "year": "2017"

            }

        ],

        "boyTotal": 185,

        "classNumber": 6,

        "enrollmentsTotal": 374,

        "girlTotal": 189,

        "studentTotal": 374,

        "userCode": "131530220"

    }

}

先上代码：

    JSONObject  obj1  = new JSONObject();

        obj1.put("mobile", "13008662173");

        //查询员工编号

        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);

        //通过员工编号查询班级数

        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);

        //解析第一层

        JSONObject rs = (JSONObject) classList.get("results");

        //解析第二层

        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转对象

     *

     * @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());//参数1为要转换的JSONArray数据，参数2为要转换的目标数据，即List盛装的数据

        return list2;

    }

}

对象：

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;

    /**

     * 联系电话

     */

    private String mobile;

    private String studentTotal;

    /**

     * 用户账号

     */

    private String userCode;

    /**

     * userName

     */

    private String userName;

    /**

     * 用户类型（userType）：1-员工，2-学生

     */

    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;

    };

}