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[英]How to decode json data from post method for android app in php?
[英]How to decode json in php coming from android json post volley
Gooday对不起,我的英语不好,并且还是编程新手。 我正在尝试解码从android volley JSON POST抛出的JSONObject。 现在,我可以从Android接收到服务器的响应,并且可以通过TOAST进行确认。 我的问题是如何使用PHP从服务器端正确解码JSON。 此JSON数据将用于在MySQL中插入新数据。 我只是不知道正确的方法,并且很难为此找到解码设置的答案。 请您在这里提供任何建议。
public void testOrder (ArrayList<String> order_id,
ArrayList<String> uname,
ArrayList<String> prod_name,
ArrayList<String> prod_id,
ArrayList<String> quantity,
ArrayList<String> branches,
ArrayList<String> totalPrice,
int itemIteration){
JSONObject obj = null;
JSONArray jsonArray = new JSONArray();
final JSONObject finalobject = new JSONObject();
for (int i = 0; i < itemIteration; i++) {
obj = new JSONObject();
Log.d("OBJECT_COUNTER", String.valueOf(i));
try {
obj.put("order_id", order_id.get(i));
Log.d("ORDER_ID", order_id.get(i));
obj.put("uname", uname.get(i));
Log.d("USERNAME", uname.get(i));
obj.put("prod_name", prod_name.get(i));
Log.d("PROD_NAME", prod_name.get(i));
obj.put("quantity", quantity.get(i));
Log.d("PROD_QUANT", quantity.get(i));
obj.put("branch", branches.get(i));
Log.d("PROD_BRANCHES", branches.get(i));
obj.put("totalPrice", totalPrice.get(i));
Log.d("TOTAL_PRICE", totalPrice.get(i));
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
jsonArray.put(obj);
}
try {
finalobject.put("ORDER_LIST", jsonArray);
test = jsonArray.toString();
// Toast.makeText(this,test,Toast.LENGTH_SHORT).show();
} catch (JSONException e) {
e.printStackTrace();
}
StringRequest strRequest = new StringRequest(Request.Method.POST, Config.TRY_JSON_POST,
new Response.Listener<String>()
{
@Override
public void onResponse(String response)
{
Toast.makeText(PlaceOrder.this, response, Toast.LENGTH_SHORT).show();
//
}
},
new Response.ErrorListener()
{
@Override
public void onErrorResponse(VolleyError error)
{
Toast.makeText(PlaceOrder.this, error.toString(), Toast.LENGTH_SHORT).show();
}
})
{
@Override
protected Map<String, String> getParams()
{
Map<String, String> params = new HashMap<>();
params.put("tag", finalobject.toString());
// String obj = finalobject.toString();
// Toast.makeText(PlaceOrder.this,obj,Toast.LENGTH_SHORT).show();
return params;
}
};
AppController.getmInstance().addToRequesQueue(strRequest);
}
}
PHP代码
<?php
if($_SERVER['REQUEST_METHOD']=='POST'){
$response = array("ORDERLIST" => $_POST["tag"]);
//$response = array($_POST["tag"]);
//$my_array = json_decode($response,true);
echo json_encode(str_replace('\"','"',$response));
echo "RECEIVED";
} else{
echo "nothing";
}
我使用Log.d进行响应:
D /响应:
{"ORDERLIST":"{\"ORDER_LIST\":[{\"order_id\":\"1755\",\"uname\":\"jordan\",\"prod_name\":\"ABC\",\"quantity\":\"1\",\"branch\":\"Dapitan\",\"totalPrice\":\"23500\"},{\"order_id\":\"1755\",\"uname\":\"jordan\",\"prod_name\":\"AMD Kaveri A4-7300 APU HD8470D 2-Core 2GB 500GB CPU Package\",\"quantity\":\"1\",\"branch\":\"Dapitan\",\"totalPrice\":\"23500\"}]}"}
使用echo $ content后,这将显示在我的吐司上
D/Response: DATA:tag=%7B%22ORDER_LIST%22%3A%5B%7B%22order_id%22%3A%221755%22%2C%22uname%22%3A%22jordan%22%2C%22prod_name%22%3A%22ABC%22%2C%22quantity%22%3A%221%22%2C%22branch%22%3A%22Dapitan%22%2C%22totalPrice%22%3A%2223500%22%7D%2C%7B%22order_id%22%3A%221755%22%2C%22uname%22%3A%22jordan%22%2C%22prod_name%22%3A%22AMD+Kaveri+A4-7300+APU+HD8470D+2Core+2GB+500GB+CPU+Package%22%2C%22quantity%22%3A%221%22%2C%22branch%22%3A%22Dapitan%22%2C%22totalPrice%22%3A%2223500%22%7D%5D%7D&
编辑的PHP代码
if($_SERVER['REQUEST_METHOD']=='POST'){
$content = file_get_contents( "php://input" );
$response = json_decode($content,TRUE);
$orderlist = json_decode($response['ORDER_LIST'], TRUE);
//echo $orderlist[0][order_id][0];
echo "DATA: ";
foreach($orderlist AS $row ){
echo $row[uname];
}
echo $response;
} else{
echo "nothing";
}
尝试这个:
$content = file_get_contents( "php://input" );
$response = json_decode( $content, TRUE );
$orderlist = json_decode( $response['ORDERLIST'], TRUE );
从PHP文档:
php:// input是一个只读流,允许您从请求正文中读取原始数据。 对于POST请求,最好使用php:// input而不是$ HTTP_RAW_POST_DATA,因为它不依赖于特殊的php.ini指令。
解码json数据后,您将在$orderlist
获得一个关联数组。 现在,您可以选择将所需的数组值保存到数据库中。
因此(即): $orderlist[0][order_id]
或$orderlist[1][uname]
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