将截取与JsonObjectRequest一起使用时无法从PHP获取参数
我将Volley框架与JsonObjectRequest一起使用。我正在使用将截取与JsonObjectRequest一起使用时无法从PHP获取参数,php,android,json,Php,Android,Json,我将Volley框架与JsonObjectRequest一起使用。我正在使用 JsonObjectRequest loginRequest = new JsonObjectRequest(b.toString(), params, new Listener<JSONObject>() {}, new Response.ErrorListener() {}); 我在对PHP API使用截击时遇到了同样的问题。结果是,params
JsonObjectRequest loginRequest = new JsonObjectRequest(b.toString(), params,
new Listener<JSONObject>() {},
new Response.ErrorListener() {});
我在对PHP API使用截击时遇到了同样的问题。结果是,params的
JSONObject
作为JSON发送。因此,PHP$\u POST不会识别它,因为它的格式不是:param1=value1¶m2=value
要亲自查看,请尝试:printfile\u get\u contents(“php://input");代码>
我的解决方案是创建一个扩展Request
的变通类,而不是使用JsonObjectRequest
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.AuthFailureError;
import com.android.volley.NetworkResponse;
import com.android.volley.ParseError;
import com.android.volley.toolbox.HttpHeaderParser;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Custom Request Class for JSON
*/
public class CustomRequest extends Request<JSONObject> {
private List params; // the request params
private Response.Listener<JSONObject> listener; // the response listener
public CustomRequest(int requestMethod, String url, List params,
Response.Listener<JSONObject> responseListener, Response.ErrorListener errorListener) {
super(requestMethod, url, errorListener); // Call parent constructor
this.params = params;
this.listener = responseListener;
}
// We have to implement this function
@Override
protected void deliverResponse(JSONObject response) {
listener.onResponse(response); // Call response listener
}
// Proper parameter behavior
@Override
public Map <String, String> getParams() throws AuthFailureError {
Map <String, String> map = new HashMap <String, String>();
// Iterate through the params and add them to our HashMap
for (BasicNameValuePair pair: params) {
map.put(pair.getName(), pair.getValue());
}
return map;
}
// Same as JsonObjectRequest#parseNetworkResponse
@Override
protected Response<JSONObject> parseNetworkResponse(NetworkResponse response) {
try {
String jsonString = new String(response.data, HttpHeaderParser.parseCharset(response.headers));
return Response.success(new JSONObject(jsonString),
HttpHeaderParser.parseCacheHeaders(response));
} catch (UnsupportedEncodingException e) {
return Response.error(new ParseError(e));
} catch (JSONException je) {
return Response.error(new ParseError(je));
}
}
}
import com.android.volley.Request;
导入com.android.volley.Response;
导入com.android.volley.AuthFailureError;
导入com.android.volley.NetworkResponse;
导入com.android.volley.ParseError;
导入com.android.volley.toolbox.HttpHeaderParser;
导入org.apache.http.message.BasicNameValuePair;
导入org.json.JSONException;
导入org.json.JSONObject;
导入java.io.UnsupportedEncodingException;
导入java.util.HashMap;
导入java.util.List;
导入java.util.Map;
/**
*JSON的自定义请求类
*/
公共类CustomRequest扩展了请求{
private List params;//请求参数
private Response.Listener;//响应侦听器
公共CustomRequest(int requestMethod、字符串url、列表参数、,
Response.Listener responseListener,Response.ErrorListener ErrorListener){
super(requestMethod,url,errorListener);//调用父构造函数
this.params=params;
this.listener=responseListener;
}
//我们必须实现这个功能
@凌驾
受保护的void deliverResponse(JSONObject响应){
onResponse(response);//调用响应侦听器
}
//正确的参数行为
@凌驾
公共映射getParams()引发AuthFailureError{
Map Map=newhashmap();
//遍历参数并将它们添加到HashMap中
for(BasicNameValuePair对:参数){
put(pair.getName(),pair.getValue());
}
返回图;
}
//与JsonObjectRequest#parseNetworkResponse相同
@凌驾
受保护的响应parseNetworkResponse(NetworkResponse响应){
试一试{
String jsonString=新字符串(response.data,HttpHeaderParser.parseCharset(response.headers));
返回Response.success(新的JSONObject(jsonString),
HttpHeaderParser.parseCacheHeaders(响应));
}捕获(不支持的编码异常e){
返回Response.error(新的ParseError(e));
}捕获(JSONException je){
返回Response.error(newparseerror(je));
}
}
}
是的,不幸的是,这就是问题所在。它确实解决了自定义请求类的问题。您的博客帖子链接已失效:(@NightlyNexus很抱歉,现在应该修好了!@kxc1013你救了我一天..哈哈哈
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.AuthFailureError;
import com.android.volley.NetworkResponse;
import com.android.volley.ParseError;
import com.android.volley.toolbox.HttpHeaderParser;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Custom Request Class for JSON
*/
public class CustomRequest extends Request<JSONObject> {
private List params; // the request params
private Response.Listener<JSONObject> listener; // the response listener
public CustomRequest(int requestMethod, String url, List params,
Response.Listener<JSONObject> responseListener, Response.ErrorListener errorListener) {
super(requestMethod, url, errorListener); // Call parent constructor
this.params = params;
this.listener = responseListener;
}
// We have to implement this function
@Override
protected void deliverResponse(JSONObject response) {
listener.onResponse(response); // Call response listener
}
// Proper parameter behavior
@Override
public Map <String, String> getParams() throws AuthFailureError {
Map <String, String> map = new HashMap <String, String>();
// Iterate through the params and add them to our HashMap
for (BasicNameValuePair pair: params) {
map.put(pair.getName(), pair.getValue());
}
return map;
}
// Same as JsonObjectRequest#parseNetworkResponse
@Override
protected Response<JSONObject> parseNetworkResponse(NetworkResponse response) {
try {
String jsonString = new String(response.data, HttpHeaderParser.parseCharset(response.headers));
return Response.success(new JSONObject(jsonString),
HttpHeaderParser.parseCacheHeaders(response));
} catch (UnsupportedEncodingException e) {
return Response.error(new ParseError(e));
} catch (JSONException je) {
return Response.error(new ParseError(je));
}
}
}