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java - 读取 JSON 响应

转载 作者:行者123 更新时间:2023-11-30 11:34:37 25 4
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我正在尝试从基于 python 的后端读取 json 响应。我正在使用此代码访问信息。

第一次调用的 URL

public static final String JSON_RESPONSE_STRING="http://192.168.2.5:8000/mobile/";

第二次调用的 URL

public static final String PICKUP_DETAILS="http://192.168.2.5:8000/mobile/shippments/";

常用方法使用

public static String GetJSONResponse(String stringUrl) throws IOException
{
StringBuilder response = new StringBuilder();

URL url = new URL(stringUrl);
HttpURLConnection httpconn = (HttpURLConnection)url.openConnection();
if (httpconn.getResponseCode() == HttpURLConnection.HTTP_OK)
{
BufferedReader input = new BufferedReader(new InputStreamReader(httpconn.getInputStream()),8192);
String strLine = null;
while ((strLine = input.readLine()) != null)
{
response.append(strLine);
}
input.close();
}

return response.toString();
}

django url 模式

urlpatterns = patterns('mobile_api.views',
url(r'^$','login_authenticate'),
url(r'^shippments/(?P<id>\w+)','pickup_details'),
url(r'^report/post/','pickup_report')
)

我在我的代码中两次使用了这个方法。这段代码第一次可以正常工作并解析 json 响应。

当我在其他地方使用这个方法时,我会调用它

pick_up_id=getIntent().getStringExtra("pickup_id");
String stringUrl=Constants.PICKUP_DETAILS+"555";
String response = null;
try {
response = PickupList.GetJSONResponse(stringUrl);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

//String response=GetPickUpDetails(pick_up_id);
System.out.println("second call response"+response);

并得到这个回应

03-22 12:19:37.979: I/System.out(20703): second call response<!doctype html>  <!--[if IE 7]>    <html class="no-js ie7 oldie" lang="en"> <![endif]-->  <!--[if IE 8]>    <html class="no-js ie8 oldie" lang="en"> <![endif]-->  <!--[if gt IE 8]><!--> <html class="no-js" lang="en"> <!--<![endif]-->  <head>    <meta charset="utf-8">    <title>ECOM</title>            <meta http-equiv="X-UA-Compatible" content="IE=Edge;chrome=1" >    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">            <meta name="description" content="">    <meta name="author" content="">        <meta name="apple-mobile-web-app-capable" content="yes" />        <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />            <meta property="og:image" content="http://www.domain.com/images/logo.png"/>    <meta property="og:title" content="-- description here --"/>    <meta property="og:url" content="http://www.domain.com"/>            <link rel="shortcut icon" href="/static/assets/img/favicon.ico" />    <link rel="apple-touch-icon" href="/static/assets/img/apple-touch-icon.png">    <link rel="apple-touch-icon" sizes="72x72" href="/static/assets/img/apple-touch-icon-72x72.png">    <link rel="apple-touch-icon" sizes="114x114" href="/static/assets/img/apple-touch-icon-114x114.png">             <link rel="stylesheet" href="/static/assets/css/styles.css" />                    <script src="/static/assets/js/libs/modernizr.custom.60077.js"></script>          <link rel="stylesheet" href="/static/assets/css/popup.css" />           <script src="/static/assets/js/jquery-1.7.2.min.js"></script>           <script src="/static/assets/authentication/js/popup.js"></script>    </head><body><div id="backgroundPopup"></div>      <div class="header" style="text-align:center; padding-top:10px;">       <img src="/static/assets/img/Ecomlogo.png"/>  </div>   <div class="container-fluid" roll="main" id="main">    <div class="span6"><a href="/track_me/scan_open/1/" class="forgotpass pull-right">Track Shipment</a>      <div class="login">        <div class="title">          Login                  </div>                <div class="content-login">          <form action="." method="POST">          <div style='display:none'><input type='hidden' name='csrfmiddlewaretoken' value='p0SPV6QzpX2nP2p588V5lDU9s9LLWZDO' /></div>              <input type= "text" name ="username" placeholder="Username" class="user-name"/>            <input type= "Password" name="password" placeholder="Password"/>            <input type="submit" class="button-login"/>            <a href="#" class="forgotpass pull-right" id="forgotpass">Forgot Your Password?</a>          </form>        </div>      </div>    </div>    <div class="span6">      <div class="login">        <div class="title">          Ecom Express News                  </div>        <div class="content-login">                  </div>      </div>    </div>  </div>       <!-- modal -->  <div class="modal hide modal-add-revlet" id="add-revlet">    <div class="modal-header">      <a class="close" data-dismiss="modal">×</a>      <h3>Record</h3>    </div>    <div class="modal-body">          </div>  </div><!--modal end-->   <div id="popupContact">             <a id="popupContactClose">x</a>    </div>        <!-- uncomment pre-deloy -->  <!--<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>-->  <script>window.jQuery || document.write('<script src="assets/js/libs/jquery-1.7.1.min.js"><\/script>')</script>  <!-- bootstrap -->  <script src="/static/assets/js/bootstrap-transition.js"></script>  <script src="/static/assets/js/bootstrap-alert.js"></script>  <script src="/static/assets/js/bootstrap-modal.js"></script>  <script src="/static/assets/js/bootstrap-dropdown.js"></script>  <script src="/static/assets/js/bootstrap-scrollspy.js"></script>  <script src="/static/assets/js/bootstrap-tab.js"></script>  <script src="/static/assets/js/bootstrap-tooltip.js"></script>  <script src="/static/assets/js/bootstrap-popover.js"></script>  <script src="/static/assets/js/bootstrap-button.js"></script>

P.S 此外,如果代码有任何问题,那么为什么它在第一次调用时有效。NOTE 1 两个响应都是json对象,我已经验证了好几次。我的后端是dJango。在浏览器上点击 url,我得到了 .json 格式的正确响应

最佳答案

检查 csrf_exempt 或从应用程序访问 url 的适当权限

关于java - 读取 JSON 响应,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15564452/

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