Java中Json字符串直接轉換為對象的方法(包括多層List集合)
更新時間：2016年08月24日 10:42:10 投稿：jingxian
下面小編就為大家?guī)硪黄狫ava中Json字符串直接轉換為對象的方法(包括多層List集合)。小編覺得挺不錯的，現(xiàn)在就分享給大家，也給大家做個參考。一起跟隨小編過來看看吧
使用到的類：net.sf.json.JSONObject
使用JSON時，除了要導入JSON網(wǎng)站上面下載的json-lib-2.2-jdk15.jar包之外，還必須有其它幾個依賴包：commons-beanutils.jar，commons-httpclient.jar，commons-lang.jar，ezmorph.jar，morph-1.0.1.jar
下面是例子代碼：
// JSON轉換
JSONObject jsonObj = JSONObject.fromObject(jsonStrBody);
Map<String, Class> classMap = new HashMap<String, Class>();
classMap.put("results", WeatherBean_Baidu_City.class);
classMap.put("index", WeatherBean_Baidu_City_Index.class);
classMap.put("weather_data", WeatherBean_Baidu_City_Weatherdata.class);
// 將JSON轉換成WeatherBean_Baidu
WeatherBean_Baidu weather = (WeatherBean_Baidu) JSONObject.toBean(jsonObj,
WeatherBean_Baidu.class, classMap);
System.out.println(weather.getResults());
使用到的幾個JAVA類代碼：
package com.lenovo.conference.entity.vo;
import java.io.Serializable;
import java.util.List;
/**
* 天氣Bean
*
* @author SHANHY
*
*/
@SuppressWarnings("serial")
public class WeatherBean_Baidu implements Serializable {
private String error;//錯誤號
private String status;//狀態(tài)值
private String date;//日期
private List<WeatherBean_Baidu_City> results;//城市天氣預報集合（因為一次可以查詢多個城市）
public WeatherBean_Baidu() {
super();
}
public String getError() {
return error;
}
public void setError(String error) {
this.error = error;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public List<WeatherBean_Baidu_City> getResults() {
return results;
}
public void setResults(List<WeatherBean_Baidu_City> results) {
this.results = results;
}
}
package com.lenovo.conference.entity.vo;
import java.io.Serializable;
import java.util.List;
/**
* 天氣Bean
*
* @author SHANHY
*
*/
@SuppressWarnings("serial")
public class WeatherBean_Baidu_City implements Serializable {
private String currentCity;//城市名稱
private String pm25;//pm2.5值
private List<WeatherBean_Baidu_City_Index> index;//指數(shù)集合
private List<WeatherBean_Baidu_City_Weatherdata> weather_data;//幾天的天氣集合
public WeatherBean_Baidu_City() {
super();
}
public String getCurrentCity() {
return currentCity;
}
public void setCurrentCity(String currentCity) {
this.currentCity = currentCity;
}
public String getPm25() {
return pm25;
}
public void setPm25(String pm25) {
this.pm25 = pm25;
}
public List<WeatherBean_Baidu_City_Index> getIndex() {
return index;
}
public void setIndex(List<WeatherBean_Baidu_City_Index> index) {
this.index = index;
}
public List<WeatherBean_Baidu_City_Weatherdata> getWeather_data() {
return weather_data;
}
public void setWeather_data(
List<WeatherBean_Baidu_City_Weatherdata> weather_data) {
this.weather_data = weather_data;
}
}
package com.lenovo.conference.entity.vo;
import java.io.Serializable;
/**
* 天氣Bean
*
* @author SHANHY
*
*/
@SuppressWarnings("serial")
public class WeatherBean_Baidu_City_Weatherdata implements Serializable {
private String date;// 日期
private String dayPictureUrl;// 白天的天氣圖片
private String nightPictureUrl;// 晚上的天氣圖片
private String weather;// 天氣
private String wind;// 風向
private String temperature;// 溫度
public WeatherBean_Baidu_City_Weatherdata() {
super();
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public String getDayPictureUrl() {
return dayPictureUrl;
}
public void setDayPictureUrl(String dayPictureUrl) {
this.dayPictureUrl = dayPictureUrl;
}
public String getNightPictureUrl() {
return nightPictureUrl;
}
public void setNightPictureUrl(String nightPictureUrl) {
this.nightPictureUrl = nightPictureUrl;
}
public String getWeather() {
return weather;
}
public void setWeather(String weather) {
this.weather = weather;
}
public String getWind() {
return wind;
}
public void setWind(String wind) {
this.wind = wind;
}
public String getTemperature() {
return temperature;
}
public void setTemperature(String temperature) {
this.temperature = temperature;
}
}
package com.lenovo.conference.entity.vo;
import java.io.Serializable;
/**
* 天氣Bean
*
* @author SHANHY
*
*/
@SuppressWarnings("serial")
public class WeatherBean_Baidu_City_Index implements Serializable {
private String title;//標題
private String zs;//舒適度
private String tipt;//指數(shù)簡述
private String des;//指數(shù)概述
public WeatherBean_Baidu_City_Index() {
super();
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getZs() {
return zs;
}
public void setZs(String zs) {
this.zs = zs;
}
public String getTipt() {
return tipt;
}
public void setTipt(String tipt) {
this.tipt = tipt;
}
public String getDes() {
return des;
}
public void setDes(String des) {
this.des = des;
}
}
例子中解析所對應的JSON字符串
{"error":0,"status":"success","date":"2015-01-15","results":[{"currentCity":"南京","pm25":"83","index":[{"title":"穿衣","zs":"較冷","tipt":"穿衣指數(shù)","des":"建議著厚外套加毛衣等服裝。年老體弱者宜著大衣、呢外套加羊毛衫。"},{"title":"洗車","zs":"較適宜","tipt":"洗車指數(shù)","des":"較適宜洗車，未來一天無雨，風力較小，擦洗一新的汽車至少能保持一天。"},{"title":"旅游","zs":"適宜","tipt":"旅游指數(shù)","des":"天氣較好，氣溫稍低，會感覺稍微有點涼，不過也是個好天氣哦。適宜旅游，可不要錯過機會呦！"},{"title":"感冒","zs":"少發(fā)","tipt":"感冒指數(shù)","des":"各項氣象條件適宜，無明顯降溫過程，發(fā)生感冒機率較低。"},{"title":"運動","zs":"較不宜","tipt":"運動指數(shù)","des":"陰天，且天氣寒冷，推薦您在室內(nèi)進行低強度運動；若堅持戶外運動，請選擇合適的運動并注意保暖。"},{"title":"紫外線強度","zs":"最弱","tipt":"紫外線強度指數(shù)","des":"屬弱紫外線輻射天氣，無需特別防護。若長期在戶外，建議涂擦SPF在8-12之間的防曬護膚品。"}],"weather_data":[{"date":"周四 01月15日 (實時：6℃)","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/yin.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/duoyun.png","weather":"陰轉多云","wind":"北風微風","temperature":"8 ~ 4℃"},{"date":"周五","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/duoyun.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/qing.png","weather":"多云轉晴","wind":"西北風3-4級","temperature":"12 ~ 0℃"},{"date":"周六","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/qing.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/duoyun.png","weather":"晴轉多云","wind":"東北風3-4級","temperature":"8 ~ 0℃"},{"date":"周日","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/qing.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/qing.png","weather":"晴","wind":"西風微風","temperature":"10 ~ -1℃"}]},{"currentCity":"徐州","pm25":"154","index":[{"title":"穿衣","zs":"較冷","tipt":"穿衣指數(shù)","des":"建議著厚外套加毛衣等服裝。年老體弱者宜著大衣、呢外套加羊毛衫。"},{"title":"洗車","zs":"較適宜","tipt":"洗車指數(shù)","des":"較適宜洗車，未來一天無雨，風力較小，擦洗一新的汽車至少能保持一天。"},{"title":"旅游","zs":"適宜","tipt":"旅游指數(shù)","des":"天氣較好，但絲毫不會影響您出行的心情。溫度適宜又有微風相伴，適宜旅游。"},{"title":"感冒","zs":"較易發(fā)","tipt":"感冒指數(shù)","des":"天氣較涼，較易發(fā)生感冒，請適當增加衣服。體質(zhì)較弱的朋友尤其應該注意防護。"},{"title":"運動","zs":"較不宜","tipt":"運動指數(shù)","des":"天氣較好，但考慮天氣寒冷，推薦您進行各種室內(nèi)運動，若在戶外運動請注意保暖并做好準備活動。"},{"title":"紫外線強度","zs":"最弱","tipt":"紫外線強度指數(shù)","des":"屬弱紫外線輻射天氣，無需特別防護。若長期在戶外，建議涂擦SPF在8-12之間的防曬護膚品。"}],"weather_data":[{"date":"周四 01月15日 (實時：6℃)","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/duoyun.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/duoyun.png","weather":"多云","wind":"南風微風","temperature":"10 ~ 3℃"},{"date":"周五","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/duoyun.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/duoyun.png","weather":"多云","wind":"北風3-4級","temperature":"11 ~ -4℃"},{"date":"周六","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/duoyun.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/duoyun.png","weather":"多云","wind":"東風微風","temperature":"6 ~ -4℃"},{"date":"周日","dayPictureUrl":"http://api.map.baidu.com/images/weather/day/duoyun.png","nightPictureUrl":"http://api.map.baidu.com/images/weather/night/duoyun.png","weather":"多云","wind":"西風3-4級","temperature":"11 ~ -1℃"}]}]}
以上這篇Java中Json字符串直接轉換為對象的方法(包括多層List集合)就是小編分享給大家的全部內(nèi)容了，希望能給大家一個參考，也希望大家多多支持腳本之家。
相關文章
這篇文章主要介紹了Java中&和&&的區(qū)別，＆＆邏輯與｜｜邏輯或 它們都是邏輯運算符，＆ 按位與｜按位或它們都是位運算符，更多詳細內(nèi)容請需要的小伙伴了解下面文章內(nèi)容2022-01-01
這篇文章主要介紹了java線程池之工作隊列workQueue，本文給大家介紹的非常詳細，對大家的學習或工作具有一定的參考借鑒價值，需要的朋友可以參考下2021-09-09
這篇文章主要介紹了mybatis?報錯顯示sql中有兩個limit的解決，具有很好的參考價值，希望對大家有所幫助。如有錯誤或未考慮完全的地方，望不吝賜教2022-10-10
這篇文章主要介紹了工廠方法模式_動力節(jié)點Java學院整理的相關資料,需要的朋友可以參考下2017-08-08
反射機制是在運行狀態(tài)中，對于任意一個類，都能夠知道這個類的所有屬性和方法；對于任意一個對象，都能夠調(diào)用它的任意一個方法和屬性；這種動態(tài)獲取的信息以及動態(tài)調(diào)用對象的方法的功能稱為java語言的反射機制。下面我們來一起學習一下吧2019-05-05
封裝封裝就是將屬性私有化，提供公有的方法訪問私有的屬性。*實現(xiàn)封裝的步驟：（1）修改屬性的可見性來限制對屬性的訪問。（2）為每個屬性創(chuàng)建一對賦值方法和取值方法，用于對這些屬性的訪問。（3）在賦值和取值方法中，加入對屬性的存取限制。2015-03-03
這篇文章主要給大家介紹了關于mybatis插入與批量插入返回ID的原理的相關資料，文中通過示例代碼介紹的非常詳細，對大家學習或者使用mybatis具有一定的參考學習價值，需要的朋友們下面來一起學習學習吧2019-07-07
Springboot使用redis實現(xiàn)接口Api限流的示例代碼
本文主要介紹了Springboot使用redis實現(xiàn)接口Api限流的示例代碼，文中通過示例代碼介紹的非常詳細，對大家的學習或者工作具有一定的參考學習價值，需要的朋友們下面隨著小編來一起學習學習吧2022-07-07
這篇文章主要給大家介紹了關于java整合微信支付功能的相關資料,支付是一個復雜且測試起來需要的配置特別復雜的模塊,文中給出了詳細的示例代碼,需要的朋友可以參考下2023-07-07
這篇文章主要為大家介紹了Java?Chassis3負載均衡選擇器技術解密,有需要的朋友可以借鑒參考下,希望能夠有所幫助,祝大家多多進步,早日升職加薪2024-01-01