主要用到的依赖：（划重点：这个依赖需要加jdk版本号，不加的话用不了，且目前最高是jdk15）
（ps: 用于json与其他类型格式转换，JSONObject, JSONArray等来自这个包）
???<!-- https://mvnrepository.com/artifact/net.sf.json-lib/json-lib --> ???<dependency> ???????<groupId>net.sf.json-lib</groupId> ???????<artifactId>json-lib</artifactId> ???????<version>2.4</version> ???????<classifier>jdk15</classifier> ???</dependency>
核心代码：
package cn.ucmed.pangu.lib;import net.sf.json.JSONArray;import net.sf.json.JSONObject;import org.apache.commons.collections.CollectionUtils;import java.util.ArrayList;import java.util.Iterator;import java.util.List;public class ConvertTool { ???public static List<BaseNode> analysisRequestJson(Object json) { ???????List<BaseNode> baseNodeList = new ArrayList<>(); ???????NodeContainer nodeContainer = new NodeContainer(null, null, null, null); ???????if (json instanceof JSONArray) { ???????????JSONArray jsonArray = (JSONArray) json; ???????????jsonArray.forEach(j -> analysisRequestJson(j)); ???????} else if (json instanceof JSONObject) { ???????????JSONObject jsonObject = (JSONObject) json; ???????????Iterator iterator = jsonObject.keys(); ???????????while (iterator.hasNext()) { ???????????????String key = iterator.next().toString(); ???????????????Object o = ((JSONObject) json).get(key); ???????????????if (o instanceof JSONArray) { ???????????????????JSONArray jsonArray = (JSONArray) o; ???????????????????analysisRequestJson(jsonArray); ???????????????} else if (o instanceof JSONObject) { ???????????????????List<BaseNode> list = analysisRequestJson((JSONObject) o); ???????????????????nodeContainer = new NodeContainer(key, null, list); ???????????????} else { ???????????????????baseNodeList.add(new NodeLeafConstant(key, o.toString(), o.getClass().getTypeName().replace("java.lang.", ""))); ???????????????} ???????????} ???????????if (CollectionUtils.isNotEmpty(nodeContainer.nodeList)) { ???????????????baseNodeList.add(nodeContainer); ???????????} ???????} ???????return baseNodeList; ???}}测试用例：
package cn.ucmed.pangu.test;import cn.ucmed.pangu.lib.ConvertTool;import cn.ucmed.pangu.lib.NodeContainer;import cn.ucmed.pangu.lib.NodeLeafConstant;import net.sf.json.JSONObject;import org.junit.Assert;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.test.context.junit4.SpringRunner;import java.util.ArrayList;import java.util.Arrays;@RunWith(SpringRunner.class)public class ConvertToolTest { ???public static String jsonStr = "{\n" + ???????????" ???\"app_id\":\"zsyy_android\",\n" + ???????????" ???\"app_key\":\"ZW5sNWVWOWhibVJ5YjJsaw==\",\n" + ???????????" ???\"coder\":\"enNseVpXNXNOV1ZXT1doaWJWSjVZakpzYXc9PQ\",\n" + ???????????" ???\"api_name\":\"api.nuts.invoker\",\n" + ???????????" ???\"data\":{\n" + ???????????" ???????\"invoker_content\":{\n" + ???????????" ???????????\"apiId\":\"QueryDeptSchema\",\n" + ???????????" ???????????\"UseWay\":\"卓健\",\n" + ???????????" ???????????\"TransCode\":\"2004\",\n" + ???????????" ???????????\"UserId\":\"ZJYY\",\n" + ???????????" ???????????\"DeptCode\":\"1014\",\n" + ???????????" ???????????\"SeeDate\":\"2018-7-1\",\n" + ???????????" ???????????\"EndDate\":\"2018-7-5\"\n" + ???????????" ???????}\n" + ???????????" ???}\n" + ???????????"}"; ???public static NodeContainer expectedNodeContainer = new NodeContainer(new ArrayList<>(Arrays.asList( ???????????new NodeLeafConstant("app_id", "zsyy_android", "String"), ???????????new NodeLeafConstant("app_key", "ZW5sNWVWOWhibVJ5YjJsaw==", "String"), ???????????new NodeLeafConstant("coder", "enNseVpXNXNOV1ZXT1doaWJWSjVZakpzYXc9PQ", "String"), ???????????new NodeLeafConstant("api_name", "api.nuts.invoker", "String"), ???????????new NodeContainer("data", null, Arrays.asList( ???????????????????new NodeContainer("invoker_content", null, Arrays.asList( ???????????????????????????new NodeLeafConstant("apiId", "QueryDeptSchema", "String"), ???????????????????????????new NodeLeafConstant("UseWay", "卓健", "String"), ???????????????????????????new NodeLeafConstant("TransCode", "2004", "String"), ???????????????????????????new NodeLeafConstant("UserId", "ZJYY", "String"), ???????????????????????????new NodeLeafConstant("DeptCode", "1014", "String"), ???????????????????????????new NodeLeafConstant("SeeDate", "2018-7-1", "String"), ???????????????????????????new NodeLeafConstant("EndDate", "2018-7-5", "String") ???????????????????)) ???????????)) ???))); ???@Test ???public void test() { ???????JSONObject jsonObject = JSONObject.fromObject(jsonStr); ???????NodeContainer requestNode = new NodeContainer(new ArrayList<>(ConvertTool.analysisRequestJson(jsonObject))); ???????Assert.assertEquals(requestNode.toString(), expectedNodeContainer.toString()); ???}}将json转换为数据结构体
原文地址：https://www.cnblogs.com/miaoying/p/10045675.html