Java org.json.JSONException: JSONObject["address"] 不是 JSONArray
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时间：2020-08-12 09:07:45 来源:igfitidea点击:
org.json.JSONException: JSONObject["address"] is not a JSONArray
提问by Achyut
I am parsing a json using org.json in java. My json looks like:
我正在使用 java 中的 org.json 解析一个 json。我的 json 看起来像：
{
"address": [{
"addressLine1": "Noida",
"addressLine2": "UP"
}],
"firstName": "Achyut",
"lastName": "khanna"
}
I fetch data from the java code :
我从java代码中获取数据：
JSONArray jsonarr= json.getJsonObject().getJSONArray("address");
String address = jsonarr.getJSONObject(0).getString("addressLine1"));
But it gives an exception :
但它给出了一个例外：
org.json.JSONException: JSONObject["address"] is not a JSONArray.
at org.json.JSONObject.getJSONArray(JSONObject.java:578)
at com.altametrics.io.util.test.FNParserUtilTest.testAltaMapToFNJson(FNParserUtilTest.java:513)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.junit.runners.model.FrameworkMethod.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.accessJSONObject json = new JSONObject(str);
JSONArray jsonarr= json.getJSONArray("address");
String address = jsonarr.getJSONObject(0).getString("addressLine1");
0(ParentRunner.java:53)
at org.junit.runners.ParentRunner.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Why it did not recognized as JSONArray? Where am I wrong?
为什么它没有被识别为 JSONArray？我哪里错了？
采纳答案by olexii
try following code
尝试以下代码
##代码##