java解析json复杂数据的第三种思路
2024-01-09 09:42:35
一、概述
接上篇 java解析json复杂数据的两种思路
我们已经通过解析返回json字符串得到数据,现在改变思路, 按照如下流程获取数据:
二、数据预览
1. 接口json数据
{
"code":200,
"message":"success",
"traceId":"cec7dfb0-78f4-40c4-b1ce-7463b100e3fd",
"data":{
"list":[
{
"articleId":135418954,
"title":"java解析json复杂数据的两种思路",
"description":"萌新小明最近新开了CSDN博客,蠢蠢欲动,迫不及待的发表了几篇工作中积累下来的解决问题的涂鸦之作,看着访问量慢慢涨起来,心中暗暗窃喜。现在小明想每天23点记录一下每篇文章的访问量。。。",
"url":"https://blog.csdn.net/qq_16127313/article/details/135418954",
"type":1,
"top":false,
"forcePlan":false,
"viewCount":947,
"commentCount":0,
"editUrl":"https://editor.csdn.net/md?articleId=135418954",
"postTime":"2024-01-06 14:11:40",
"diggCount":16,
"formatTime":"前天 14:11",
"picList":[
"https://img-blog.csdnimg.cn/direct/a409a0f4555c459fa05c00fd9ee0ea8c.png"
],
"collectCount":21
},
{
"articleId":135244727,
"title":"java lambda表达式训练题一",
"description":"Lambda 表达式,也可称为闭包,它是推动 Java 8 发布的最重要新特性。Lambda 允许把函数作为一个方法的参数(函数作为参数传递进方法中)。使用 Lambda 表达式可以使代码变的更加简洁紧凑。",
"url":"https://blog.csdn.net/qq_16127313/article/details/135244727",
"type":1,
"top":false,
"forcePlan":false,
"viewCount":1238,
"commentCount":0,
"editUrl":"https://editor.csdn.net/md?articleId=135244727",
"postTime":"2023-12-27 18:07:30",
"diggCount":7,
"formatTime":"2023.12.27",
"picList":[
"https://img-blog.csdnimg.cn/direct/d59c68b950754e879914b5319cd1b53f.png"
],
"collectCount":8
},
{
"articleId":135173565,
"title":"二维码初体验 com.google.zxing 实现续 - web api封装",
"description":"在 二维码初体验 com.google.zxing 实现 我们实现了二维码的生成,但是大部分情况下,二维码的相关功能是作为API接口来提供服务的。我们下面便演示在springboot、Knife4j下封装api接口来实现二维码生成功能。如何使用下面的备份文件恢复成原始的项目代码,请移步查阅:神奇代码恢复工具-over-",
"url":"https://blog.csdn.net/qq_16127313/article/details/135173565",
"type":1,
"top":false,
"forcePlan":false,
"viewCount":1904,
"commentCount":0,
"editUrl":"https://editor.csdn.net/md?articleId=135173565",
"postTime":"2023-12-23 20:17:11",
"diggCount":23,
"formatTime":"2023.12.23",
"picList":[
"https://img-blog.csdnimg.cn/direct/f0c994ca789a495a8c8c03d86d626f24.jpeg"
],
"collectCount":23
},
{
"articleId":135167613,
"title":"二维码初体验 com.google.zxing 实现",
"description":"Java 操作二维码的开源项目很多,如 SwetakeQRCode、BarCode4j、Zxing 等,这边以Zxing 为例进行介绍。选择需要生成QR原始文件,支持 “清除空白行及空格” 以减少二维码图片大小。支持输入文本内容,直接生成二维码代码结构QrCodeUI: 完整版本代码SimpleQrCodeUI:简化版本代码如何使用下面的备份文件恢复成原始的项目代码,请移步查阅:神奇代码恢复工具-over-",
"url":"https://blog.csdn.net/qq_16127313/article/details/135167613",
"type":1,
"top":false,
"forcePlan":false,
"viewCount":1286,
"commentCount":0,
"editUrl":"https://editor.csdn.net/md?articleId=135167613",
"postTime":"2023-12-23 13:52:23",
"diggCount":6,
"formatTime":"2023.12.23",
"picList":[
"https://img-blog.csdnimg.cn/direct/d3eeac85857543869dce8967c570bdc4.jpeg"
],
"collectCount":11
},
{
"articleId":135135799,
"title":"【随笔】MD5加密字符串、文件apache、springframework实现",
"description":"【代码】【随笔】MD5加密字符串、文件commons-codec、springframework实现。",
"url":"https://blog.csdn.net/qq_16127313/article/details/135135799",
"type":1,
"top":false,
"forcePlan":false,
"viewCount":1721,
"commentCount":0,
"editUrl":"https://editor.csdn.net/md?articleId=135135799",
"postTime":"2023-12-21 17:29:54",
"diggCount":9,
"formatTime":"2023.12.21",
"picList":[
"https://img-blog.csdnimg.cn/direct/dc26b7f1c731494f80c8c3b3badfa95d.jpeg"
],
"collectCount":9
}
],
"total":72
}
}
2. json转xml数据
<?xml version="1.0" encoding="UTF-8"?>
<root>
<code>200</code>
<message>success</message>
<traceId>cec7dfb0-78f4-40c4-b1ce-7463b100e3fd</traceId>
<data>
<list>
<articleId>135418954</articleId>
<title>java解析json复杂数据的两种思路</title>
<description>萌新小明最近新开了CSDN博客,蠢蠢欲动,迫不及待的发表了几篇工作中积累下来的解决问题的涂鸦之作,看着访问量慢慢涨起来,心中暗暗窃喜。现在小明想每天23点记录一下每篇文章的访问量。。。</description>
<url>https://blog.csdn.net/qq_16127313/article/details/135418954</url>
<type>1</type>
<top>false</top>
<forcePlan>false</forcePlan>
<viewCount>947</viewCount>
<commentCount>0</commentCount>
<editUrl>https://editor.csdn.net/md?articleId=135418954</editUrl>
<postTime>2024-01-06 14:11:40</postTime>
<diggCount>16</diggCount>
<formatTime>前天 14:11</formatTime>
<picList>https://img-blog.csdnimg.cn/direct/a409a0f4555c459fa05c00fd9ee0ea8c.png</picList>
<collectCount>21</collectCount>
</list>
<list>
<articleId>135244727</articleId>
<title>java lambda表达式训练题一</title>
<description>Lambda 表达式,也可称为闭包,它是推动 Java 8 发布的最重要新特性。Lambda 允许把函数作为一个方法的参数(函数作为参数传递进方法中)。使用 Lambda 表达式可以使代码变的更加简洁紧凑。</description>
<url>https://blog.csdn.net/qq_16127313/article/details/135244727</url>
<type>1</type>
<top>false</top>
<forcePlan>false</forcePlan>
<viewCount>1238</viewCount>
<commentCount>0</commentCount>
<editUrl>https://editor.csdn.net/md?articleId=135244727</editUrl>
<postTime>2023-12-27 18:07:30</postTime>
<diggCount>7</diggCount>
<formatTime>2023.12.27</formatTime>
<picList>https://img-blog.csdnimg.cn/direct/d59c68b950754e879914b5319cd1b53f.png</picList>
<collectCount>8</collectCount>
</list>
<list>
<articleId>135173565</articleId>
<title>二维码初体验 com.google.zxing 实现续 - web api封装</title>
<description>在 二维码初体验 com.google.zxing 实现 我们实现了二维码的生成,但是大部分情况下,二维码的相关功能是作为API接口来提供服务的。我们下面便演示在springboot、Knife4j下封装api接口来实现二维码生成功能。如何使用下面的备份文件恢复成原始的项目代码,请移步查阅:神奇代码恢复工具-over-</description>
<url>https://blog.csdn.net/qq_16127313/article/details/135173565</url>
<type>1</type>
<top>false</top>
<forcePlan>false</forcePlan>
<viewCount>1904</viewCount>
<commentCount>0</commentCount>
<editUrl>https://editor.csdn.net/md?articleId=135173565</editUrl>
<postTime>2023-12-23 20:17:11</postTime>
<diggCount>23</diggCount>
<formatTime>2023.12.23</formatTime>
<picList>https://img-blog.csdnimg.cn/direct/f0c994ca789a495a8c8c03d86d626f24.jpeg</picList>
<collectCount>23</collectCount>
</list>
<list>
<articleId>135167613</articleId>
<title>二维码初体验 com.google.zxing 实现</title>
<description>Java 操作二维码的开源项目很多,如 SwetakeQRCode、BarCode4j、Zxing 等,这边以Zxing 为例进行介绍。选择需要生成QR原始文件,支持 “清除空白行及空格” 以减少二维码图片大小。支持输入文本内容,直接生成二维码代码结构QrCodeUI: 完整版本代码SimpleQrCodeUI:简化版本代码如何使用下面的备份文件恢复成原始的项目代码,请移步查阅:神奇代码恢复工具-over-</description>
<url>https://blog.csdn.net/qq_16127313/article/details/135167613</url>
<type>1</type>
<top>false</top>
<forcePlan>false</forcePlan>
<viewCount>1286</viewCount>
<commentCount>0</commentCount>
<editUrl>https://editor.csdn.net/md?articleId=135167613</editUrl>
<postTime>2023-12-23 13:52:23</postTime>
<diggCount>6</diggCount>
<formatTime>2023.12.23</formatTime>
<picList>https://img-blog.csdnimg.cn/direct/d3eeac85857543869dce8967c570bdc4.jpeg</picList>
<collectCount>11</collectCount>
</list>
<list>
<articleId>135135799</articleId>
<title>【随笔】MD5加密字符串、文件apache、springframework实现</title>
<description>【代码】【随笔】MD5加密字符串、文件commons-codec、springframework实现。</description>
<url>https://blog.csdn.net/qq_16127313/article/details/135135799</url>
<type>1</type>
<top>false</top>
<forcePlan>false</forcePlan>
<viewCount>1721</viewCount>
<commentCount>0</commentCount>
<editUrl>https://editor.csdn.net/md?articleId=135135799</editUrl>
<postTime>2023-12-21 17:29:54</postTime>
<diggCount>9</diggCount>
<formatTime>2023.12.21</formatTime>
<picList>https://img-blog.csdnimg.cn/direct/dc26b7f1c731494f80c8c3b3badfa95d.jpeg</picList>
<collectCount>9</collectCount>
</list>
<total>72</total>
</data>
</root>
三、代码实现
1. pom.xml
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webflux</artifactId>
<version>5.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>io.projectreactor.netty</groupId>
<artifactId>reactor-netty</artifactId>
<version>0.9.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.12.1</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.10</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
<version>2.10.2</version>
</dependency>
<dependency>
<groupId>org.dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>2.1.4</version>
</dependency>
<dependency>
<groupId>jaxen</groupId>
<artifactId>jaxen</artifactId>
<version>2.0.0</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>5.5.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.12</version>
<scope>provided</scope>
</dependency>
2. 核心代码
package com.fly.xml;
import java.io.IOException;
import java.io.StringReader;
import java.nio.charset.StandardCharsets;
import org.apache.commons.io.IOUtils;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.http.MediaType;
import org.springframework.web.reactive.function.client.WebClient;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.json.JsonMapper;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import lombok.extern.slf4j.Slf4j;
@Slf4j
public class XmlTest
{
static JsonMapper jsonMapper = new JsonMapper();
static XmlMapper xmlMapper = new XmlMapper();
static WebClient webClient = WebClient.builder().codecs(configurer -> configurer.defaultCodecs().maxInMemorySize(-1)).build();
@Test
public void testApi()
throws IOException, DocumentException
{
//WebClient同步调用
String url = "https://blog.csdn.net/community/home-api/v1/get-business-list?page=1&size=5&businessType=blog&username=qq_16127313";
String jsonText = webClient.get().uri(url).acceptCharset(StandardCharsets.UTF_8).accept(MediaType.APPLICATION_JSON).retrieve().bodyToMono(String.class).block();
//json转xml
JsonNode jsonNode = jsonMapper.readTree(jsonText);
String xml = xmlMapper.writeValueAsString(jsonNode);
// dom4j、XPath
Document doc = new SAXReader().read(new StringReader(xml));
doc.selectNodes("//data/list/url").stream().forEach(n -> log.info(n.getStringValue()));
doc.selectNodes("//data/list/viewCount").stream().forEach(n -> log.info(n.getStringValue()));
}
}
3. 运行结果
四、源码传送
大家可以根据需要选择方案,有任何问题和建议,都可以向我提问讨论,大家一起进步,谢谢!
-over-
文章来源:https://blog.csdn.net/qq_16127313/article/details/135469157
本文来自互联网用户投稿,该文观点仅代表作者本人,不代表本站立场。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。 如若内容造成侵权/违法违规/事实不符,请联系我的编程经验分享网邮箱:veading@qq.com进行投诉反馈,一经查实,立即删除!
本文来自互联网用户投稿,该文观点仅代表作者本人,不代表本站立场。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。 如若内容造成侵权/违法违规/事实不符,请联系我的编程经验分享网邮箱:veading@qq.com进行投诉反馈,一经查实,立即删除!