有個功能:web上需要定時刷新後臺數據
解決方案:數據通過json傳給js,設置定時器進行頁面局部刷新處理
代碼:
#django後臺代碼 @csrf_exempt @login_required def deploy_json(request, id): with open("/data/shell/autodeploy.log", "r") as data: lines = len(list(enumerate(data))) if int(id)<=lines: print lines jsondata = json.dumps([{"subject" : linecache.getline("/data/shell/autodeploy.log",int(id)), "count" : lines}], ensure_ascii=False) print jsondata response = HttpResponse() response['Content-Type'] = "text/javascript" response.write(jsondata) return response data.close() else: return HttpResponse() data.close() @csrf_exempt @login_required def auto_deploy(request): if request.method == 'POST': subcmd.Jso_out("sh /data/shell/autodeploy.sh | tee /data/shell/autodeploy.log") return render_to_response("deploy/auto_deploy.html") elif request.method == 'GET': return render_to_response("deploy/auto_deploy.html") urls.py中添加如下: url(r'^deploy/(?P<id>\d+)/$',deploy_json),
#html代碼 {% extends "default/base.html" %} {% block title %} 發佈系統 {% endblock %} {% block content %} <body class="pageBg"> <h3 class="w_1320 pageTitle"> <span>發佈系統</span>預發佈環境一鍵發佈 </h3> </body> <form method="POST" action="/deploy/pre_auto"> {% csrf_token %} <p align="left" class="style5"> <input type="submit" class="pageTitle_input01" value="發佈(預發佈)"> </form> <pre class="pre-scrollable prettyprint linenums Lang-bash"> 輸出信息: <script type="text/javascript" language="javascript"> var i = 0; function update(id) { $.getJSON("/deploy/" + id + "/",function(data) { $("#content").append('<p>' + data[0].subject + '</p>'); console.log(id,Number(data[0].count)); if(id >= Number(data[0].count)){ clearInterval(time); } }); } var time = setInterval(function() { i += 1; update(i) }, 1000); $(document).ready(function() { {# timeDown(3, 0) #} update(0) }) </script> <p id="time"></p> <div id="content"></div> </pre> {% endblock %}
效果: