我如何解析以"/"开头的Json?在Android中使用截击? [英] How can I parse Json which starts with "/" in android using volley?
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问题描述
我正在从URl解析json数据,但它以"/"开头. 我有一个数据类,它是应用程序中的POJO类. 这是我的json文件.
I am parsing json data from URl but it starts with "/". I have a data class which is a POJO class in the app. Here is my json file.
/{
"data": [
{
"id": "1",
"text": "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."
},
{
"id": "2",
"text": "Felis donec et odio pellentesque diam volutpat commodo sed. Non arcu risus quis varius quam quisque. Nibh nisl condimentum id venenatis a condimentum vitae. Vel pharetra vel turpis nunc eget. "
},
{
"id": "3",
"text": "Volutpat sed cras ornare arcu dui vivamus arcu felis bibendum. Lobortis mattis aliquam faucibus purus in. Aliquam sem fringilla ut morbi tincidunt augue interdum."
}
]
}
这是我的android代码.
Here is my android code.
JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.GET, urlJsonObj, null, new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Toast.makeText(MainActivity.this, response.toString(), Toast.LENGTH_SHORT).show();
try {
Toast.makeText(MainActivity.this, "Here", Toast.LENGTH_SHORT).show();
Gson gson = new Gson();
JSONObject data1 = response.getJSONObject("data");
data = gson.fromJson(data1.toString(), Data.class);
}
catch (JSONException e){
Toast.makeText(MainActivity.this, "Error : "+ e.getMessage(), Toast.LENGTH_SHORT).show();
}
dataList.add(data);
mAdapter = new ViewPagerAdapter(dataList,layoutInflater, viewPager2);
progressBar.setVisibility(View.GONE);
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(MainActivity.this, error.getMessage(), Toast.LENGTH_SHORT).show();
progressBar.setVisibility(View.GONE);
}
});
requestQueue.add(jsonObjectRequest);
我收到错误消息字符0的预期文字值.
I am getting an error "Expected literal value at character 0.
推荐答案
只需执行以下操作即可从响应中删除"/":
just remove the "/" from the response by doing:
String subString = (respnse.tostring).replace("/","");
JSONobject jsonObj = new JSONobject(subString);
Gson gson = new Gson();
JSONObject data1 = jsonObj.getJSONObject("data");
data = gson.fromJson(data1.toString(), Data.class);
希望这会有所帮助
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