Gson解析多层嵌套的数组出现的问题

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首先，Gson是可以完美的解析N层夹套的数组的。

解析一个两层嵌套的数组，一直出现如下错误：

6-25 22:04:55.596  17974-17974/cn.usmaker.hm.pai E/AndroidRuntime﹕ FATAL EXCEPTION: main    Process: cn.usmaker.hm.pai, PID: 17974    com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was STRING at line 1 column 2378 path $[2].imgItems            at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:200)            at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:40)            at com.google.gson.internal.bind.ArrayTypeAdapter.read(ArrayTypeAdapter.java:72)            at com.google.gson.Gson.fromJson(Gson.java:810)            at com.google.gson.Gson.fromJson(Gson.java:775)            at com.google.gson.Gson.fromJson(Gson.java:724)            at com.google.gson.Gson.fromJson(Gson.java:696)            at cn.usmaker.hm.pai.activity.OneCityActivity$1.onResponse(OneCityActivity.java:221)            at cn.usmaker.hm.pai.activity.OneCityActivity$1.onResponse(OneCityActivity.java:173)            at cn.usmaker.hm.pai.velloy.NormalPostRequest.deliverResponse(NormalPostRequest.java:52)            at cn.usmaker.hm.pai.velloy.NormalPostRequest.deliverResponse(NormalPostRequest.java:19)            at com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:99)            at android.os.Handler.handleCallback(Handler.java:733)            at android.os.Handler.dispatchMessage(Handler.java:95)            at android.os.Looper.loop(Looper.java:136)            at android.app.ActivityThread.main(ActivityThread.java:5086)            at java.lang.reflect.Method.invokeNative(Native Method)            at java.lang.reflect.Method.invoke(Method.java:515)            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:888)            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697)            at dalvik.system.NativeStart.main(Native Method)

测试的数据如下：

{    "success": true,    "msg": "操作成功！",    "infor": {        "totalCount": 5,        "listItems": [            {                "id": "5",                "regdate": "2014-10-30 11:31:43",                "content": "Helloa",                "imgcount": "4",                "imgurl": "http://192.168.2.146:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131468449_thumb.png",                "imgurlbig": "http://192.168.2.146:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131468449.jpg",                "avatar": null,                "nickname": "cloud",                "sex": "女",                "imgItems": [                    {                        "id": "3",                        "client_id": "2",                        "content": null,                        "keytype": "2",                        "keyid": "5",                        "imgurl": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131468449_thumb.png",                        "imgurlbig": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131468449.jpg",                        "orderby": "0",                        "regdate": "2014-10-30 11:31:46"                    },                    {                        "id": "4",                        "client_id": "2",                        "content": null,                        "keytype": "2",                        "keyid": "5",                        "imgurl": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131481580_thumb.png",                        "imgurlbig": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131481580.jpg",                        "orderby": "1",                        "regdate": "2014-10-30 11:31:48"                    },                    {                        "id": "5",                        "client_id": "2",                        "content": null,                        "keytype": "2",                        "keyid": "5",                        "imgurl": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131513162_thumb.png",                        "imgurlbig": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131513162.jpg",                        "orderby": "2",                        "regdate": "2014-10-30 11:31:51"                    },                    {                        "id": "6",                        "client_id": "2",                        "content": null,                        "keytype": "2",                        "keyid": "5",                        "imgurl": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131536060_thumb.png",                        "imgurlbig": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410301131536060.jpg",                        "orderby": "3",                        "regdate": "2014-10-30 11:31:53"                    }                ],                "goodflag": 0            },            {                "id": "4",                "regdate": "2014-10-27 11:09:49",                "content": "水街",                "imgcount": "1",                "imgurl": null,                "imgurlbig": null,                "avatar": "http://124.128.23.74:8008/group8/hm_9pai/uploadfiles/2015/06/201506251422305115_thumb.png",                "nickname": "tien",                "sex": "男",                "imgItems": [                    {                        "id": "2",                        "client_id": "8",                        "content": null,                        "keytype": "2",                        "keyid": "4",                        "imgurl": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410271109504759_thumb.jpg",                        "imgurlbig": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410271109504759.jpg",                        "orderby": "1",                        "regdate": "2014-10-27 11:09:51"                    }                ],                "goodflag": 0            },            {                "id": "3",                "regdate": "2014-10-27 11:00:02",                "content": "水街",                "imgcount": "0",                "imgurl": null,                "imgurlbig": null,                "avatar": null,                "nickname": "哈哈",                "sex": "男",                "imgItems": "",                "goodflag": 0            },            {                "id": "2",                "regdate": "2014-10-27 10:58:28",                "content": "惬意",                "imgcount": "1",                "imgurl": "http://192.168.2.146:8008/group1/hm_PHP/uploadfiles/2014/10/201410271058421219_thumb.jpg",                "imgurlbig": "http://192.168.2.146:8008/group1/hm_PHP/uploadfiles/2014/10/201410271058421219.jpg",                "avatar": null,                "nickname": "cloud",                "sex": "女",                "imgItems": [                    {                        "id": "1",                        "client_id": "8",                        "content": null,                        "keytype": "2",                        "keyid": "2",                        "imgurl": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410271058421219_thumb.jpg",                        "imgurlbig": "http://58.56.89.218:8008/group1/hm_PHP/uploadfiles/2014/10/201410271058421219.jpg",                        "orderby": "0",                        "regdate": "2014-10-27 10:58:42"                    }                ],                "goodflag": 0            },            {                "id": "1",                "regdate": "2014-10-15 10:22:09",                "content": "超然致远",                "imgcount": "0",                "imgurl": "http://192.168.2.146:8008/group1/hm_PHP/uploadfiles/2014/10/201410151022167414_thumb.jpg",                "imgurlbig": "http://192.168.2.146:8008/group1/hm_PHP/uploadfiles/2014/10/201410151022167414.jpg",                "avatar": "http://124.128.23.74:8008/group8/hm_9pai/uploadfiles/2015/06/201506251422305115_thumb.png",                "nickname": "tien",                "sex": "男",                "imgItems": "",                "goodflag": 0            }        ]    }}

错误就是：

 "imgItems": ""

这个地方引起的，
把这个地方改成如下的格式就可以了：

 "imgItems": []

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