django後臺和app客戶端的搭建指南(python,android)。模擬手機獲取驗證碼的請求
阿新 • • 發佈:2019-02-03
最近在學習django,就想著自己搭建一個django的伺服器,自己寫app的客戶端,因為django是初學所以還是遇到了幾個坑的廢話不多先貼出專案地址:https://github.com/ymeddmn/PythonWebDemo
python群號碼:387214990
django和android專案的搭建略過
服務端django的專案配置
1,首先將我們建立的app模組配置在setting這裡,本例獲取驗證碼用的是logreg模組
2,host的配置如下圖,此ip為本機ip地址,DEBUG=True
3,將此處的依賴註釋,具體原因我暫時也沒有搞明白
4,下面看一下實現請求的程式碼
這裡用post方法獲取到請求的引數:手機號,擷取前四位返回為客戶端
如果請求方法錯誤會返回給客戶端錯誤資訊,轉json的操作請看demo
from django.shortcuts import render
from django.http import HttpResponse
from app import utils, JsonUtil
def getCode(request):
code = 200
des = ''
success = True;
item = {}
body = []
if utils.checkRequestMethon(request, 'POST' ):
phone = request.POST.get('phone')
resCode = phone[0:4]
print(resCode)
item.setdefault('checkCode', resCode)
body.append(item)
print(body)
else:
success = False
code = 0
des = '請求方法錯誤'
if success:
return HttpResponse(JsonUtil.toResultJson(code, body, '成功' ).encode('utf-8'))
else:
return HttpResponse(JsonUtil.toResultJson(code, body, des).encode('utf-8'))
5,Url的配置如下
note:注意轉json串的時候這裡記得加上ensure_ascii=False,否則客戶端中文會無法顯示
其他程式碼請看專案中的 djangoproject
客戶端實現Android程式碼實現
客戶端會在在按鈕點選的時候用okhttp請求伺服器獲取驗證碼,將請求下來的結果顯示到按鈕上
package demo.horse.com.djangoprojectclient.logreg;
import android.Manifest;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import com.squareup.okhttp.Call;
import com.squareup.okhttp.Callback;
import com.squareup.okhttp.FormEncodingBuilder;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;
import java.io.IOException;
import java.net.URLDecoder;
import java.nio.charset.Charset;
import demo.horse.com.djangoprojectclient.R;
public class RegesterActivity extends AppCompatActivity implements View.OnClickListener {
private Button btnCode;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_regester);
initView();
}
private void initView() {
btnCode = (Button) findViewById(R.id.btn_getcode);
btnCode.setOnClickListener(this);
}
@Override
public void onClick(View v) {
new Thread(new Runnable() {
@Override
public void run() {
OkHttpClient client = new OkHttpClient();
FormEncodingBuilder builder = new FormEncodingBuilder();
builder.add("phone", "13691599815");
Request request = new Request.Builder()
.url("http://192.168.1.100:8000/getCode/")
.post(builder.build())
.build();
Call call = client.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Request request, IOException e) {
e.printStackTrace();
}
@Override
public void onResponse(Response response) throws IOException {
Message msg = handler.obtainMessage();
msg.obj = response.body().string();
handler.sendMessage(msg);
}
});
}
}).start();
}
Handler handler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
String m = (String) msg.obj;
try
m = URLDecoder.decode(m, "utf-8");
btnCode.setText(m);
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
});
}
上面唯一需要注意的是 m = URLDecoder.decode(m, “utf-8”);
必須對請求下來的資料進行解碼
對了,還要記得加上請求網路許可權
下面看一下實現的效果圖
請求前,button顯示獲取驗證碼
點選請求成功顯示請求下來的json串