E/JSON ；解析器：解析数据时出错[java.lang.Integer类型的值60无法转换为JSONObject]60（97）
我是android编程新手。当我试图使用JSON从android中的mysql数据库获取数据时，我遇到了一个问题。这是我的方法。这是我收到的错误：java.lang.Integer类型的值60无法转换为JSONObjectE/JSON ；解析器：解析数据时出错[java.lang.Integer类型的值60无法转换为JSONObject]60（97）,java,android,mysql,json,Java,Android,Mysql,Json,我是android编程新手。当我试图使用JSON从android中的mysql数据库获取数据时，我遇到了一个问题。这是我的方法。这是我收到的错误：java.lang.Integer类型的值60无法转换为JSONObject private void getData(final String mac_Address){ //Creating a string request // Tag used to cancel the request String tag_strin
private void getData(final String mac_Address){
//Creating a string request
// Tag used to cancel the request
String tag_string_req = "req_monitor";
StringRequest stringRequest = new StringRequest(Request.Method.POST, AppConfig.URL_MONITOR_HEALTH_PARAMETERS,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
JSONObject j = null;
try {
//Parsing the fetched Json String to JSON Object
j = new JSONObject(response);
//boolean error = j.getBoolean("error");
//j = new JSONObject().append("userid", new JSONArray(json).getInt(0));
//boolean error = j.getBoolean("error");
//return new JSONObject(json.substring(json.indexOf("{"), json.lastIndexOf("}") + 1));
//Storing the Array of JSON String to our JSON Array
result = j.getJSONArray("result");
//new JSONObject().append("pulse_rate", new JSONArray(result).getInt(0));
//JSONArray k = null;
for(int i=0;i<result.length();i++){
try {
//Getting json object
JSONObject json = result.getJSONObject(i);
pulse_rate.add(json.getInt("pulse_rate"));
pulse_oxygen_saturation.add(json.getInt("pulse_oxygen_saturation"));
Log.d(TAG, "Fetching pulse rate from mysql: " +pulse_rate+" Fetching pulse rate from mysql: "+pulse_oxygen_saturation);
} catch (JSONException e) {
e.printStackTrace();
}
}
//Calling method getMonitoringData to get the students from the JSON Array
// getMonitoringData(result);
} catch (JSONException e) {
e.printStackTrace();
Log.e("JSON Parser", "Error parsing data [" + e.getMessage()+"] "+response);
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
})
{
@Override
protected Map<String, String> getParams() {
// Posting parameters to monitor url
Map<String, String> params = new HashMap<String, String>();
params.put("mac_Address", mac_Address);
return params;
}
};
//Creating a request queue
//RequestQueue requestQueue = Volley.newRequestQueue(this);
// Adding request to request queue
AppController.getInstance().addToRequestQueue(stringRequest, tag_string_req);
//Adding request to the queue
//requestQueue.add(stringRequest);
}
{
"result": [{
"pulse_rate": "60",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "70",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "69",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "67",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "67",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "72",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "73",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "71",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}]
}
{
"result": [{
"pulse_rate": "60",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "70",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "69",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "67",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "67",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "72",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "73",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "71",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}]
}
{
"result": [{
"pulse_rate": "60",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "97"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "58",
"pulse_oxygen_saturation": "98"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "70",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "69",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "67",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "67",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "64",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "72",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "73",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "71",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "65",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "59",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "255",
"pulse_oxygen_saturation": "127"
}, {
"pulse_rate": "66",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "63",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "62",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "61",
"pulse_oxygen_saturation": "99"
}, {
"pulse_rate": "60",
"pulse_oxygen_saturation": "99"
}]
}
pulse_rate.add(json.getString("pulse_rate"));
pulse_oxygen_saturation.add(json.getString("pulse_oxygen_saturation"));
请发布您的json回复。您的json响应和解析它的方式似乎有些不同。{“结果”：[{“脉搏率”：“60”，“脉搏血氧饱和度”：“97}]}60（97）{“结果”：[{“脉搏率”：“60”，“脉搏血氧饱和度”：“97}，{“脉搏率”：“60”，“脉搏血氧饱和度”：“97}]}59（97）它看起来不像一个有效的json。请发布正确有效的JSON响应。我已经发布了。或者可能是我的php脚本有问题，它绝对不是有效的JSON。转到jsonlint.com并验证它，您可以看到问题。我收到了这个错误：java.lang.NullPointerException pulse_rate.add（json.getInt（“pulse_rate”）；