Python之路，day22-BBS基礎

多級評論

from django.template import Library from django.utils.safestring import mark_saferegister = Library()@register.simple_tag def truncate_upload_img(img_src):print(dir(img_src))print(img_src.name)return img_src.name.lstrip("/uploads/")@register.simple_tag def render_paginator_btn(articles,page):current_page = articles.numberif abs(current_page - page) <= 5 :ele = """<li ><a href="?page={page}">{page}</a></li>""".format(page=page)return mark_safe(ele)return ''def build_comment_tree(comment_dic,obj):"""遞歸的去把每個評論放到合適的層級里面"""for k,v in comment_dic.items():if obj.p_node == k: #代表找他了它父節點,把自己加到k下面print("[%s]找到了父節點[%s]" %(obj,k))comment_dic[k][obj] = {}else: #開始進行深度查詢print("沒找到，進入下一層查找",obj)build_comment_tree(comment_dic[k], obj)def build_comment_html(comment_dic,margin_arg):"""循環評論的字典， 拼接html"""comment_eles = ''for k,v in comment_dic.items():comment_eles += '''<div style='border:1px dashed black;padding:10px;margin-left:{margin}px'>{user} ---- {date} --- {comment}</div>'''\.format(user=k.user,date=k.date.strftime('%Y-%m-%d %H:%M:%S'),comment=k.comment,margin=margin_arg)if v:comment_eles += build_comment_html(comment_dic[k],margin_arg+20)return comment_eles@register.simple_tag def load_comments(article_obj):#1.先把數據庫里所有的這篇文章的評論查出來，轉成字典#2.遞歸的循環這個字典，生成html評論元素comment_dic = {}comment_objs = article_obj.comment_set.all().order_by('date') #列表for obj in comment_objs:if not obj.p_node:#判斷obj有沒有p_node,沒有的話，那它自己就是頂級評論comment_dic[obj] = {}else: #有父親節點build_comment_tree(comment_dic,obj)print(comment_dic)comment_list = sorted(comment_dic.items(),key=lambda x:x[0].date)print("comment objs：",comment_list)comment_html = """"""for comment_branch in comment_list:margin_arg=0branch_ele = """<div style='border:1px dashed black;padding:10px;margin-left:{margin}px'>{user} ---- {date} --- {comment}</div>""".\format(user=comment_branch[0].user,date=comment_branch[0].date.strftime('%Y-%m-%d %H:%M:%S'),comment=comment_branch[0].comment,margin=margin_arg)comment_html += branch_ele#開始構建它的子級評論的元素comment_html += build_comment_html(comment_branch[1],margin_arg+20)return mark_safe(comment_html)

　　

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webqq

from django.shortcuts import render,HttpResponse from django.views.decorators.csrf import csrf_exempt from webqq.msg_handler import MsgHandler import queue,json # Create your views here.MSG_QUEUES = {}def dashboard(request):print("user--",request.user.userproifle)return render(request,"webqq/dashboard.html")#@csrf_exempt def msg_api(request):msg_obj = MsgHandler(request, MSG_QUEUES)if request.method == "POST":msg_obj.msg_send()return HttpResponse(json.dumps({"msg_send_status": 1}))else:msg_data = msg_obj.msg_recv()return HttpResponse(json.dumps(msg_data))

　　

1 {% extends 'index.html' %} 2 3 {% block extra-head-resources %} 4 <link href="/static/css/webqq_style.css" rel="stylesheet"> 5 6 {% endblock %} 7 8 9 {% block container %} 10 <div class="row" style="margin-top: 50px;height: 100%;"> 11 {% csrf_token %} 12 <div class="col-lg-2 contact_list"> 13 14 <ul class="nav nav-tabs" role="tablist"> 15 <li role="presentation"><a href="#contacts" aria-controls="contacts" role="tab" data-toggle="tab">c</a></li> 16 <li role="presentation"><a href="#groups" aria-controls="groups" role="tab" data-toggle="tab">g</a></li> 17 18 </ul> 19 20 21 <div class="tab-content"> 22 <div role="tabpanel" class="tab-pane active" id="contacts"> 23 24 <div class="list-group"> 25 {% for contact in request.user.userproifle.friends.all %} 26 27 <a href="#" class="list-group-item" contact_id="{{ contact.id }}" contact_name="{{ contact.name }}" οnclick="OpenSession(this)">{{ contact }} 28 {# <span class="badge">14</span>#} 29 </a> 30 31 {% endfor %} 32 33 </div> 34 35 </div> 36 <div role="tabpanel" class="tab-pane" id="groups">groups</div> 37 </div> 38 39 40 41 </div> 42 <div class="col-lg-8 chat_panel"> 43 44 <div class="row chat_panel_header"> 45 46 <div class="hidden" style="color: green"> 47 正在與<span contact_id="" id="chat_panel_header_text"></span>聊天 48 </div> 49 </div> 50 51 <div class="row chat_panel_body"> 52 body 53 </div> 54 55 <div class="row chat_panel_input_box"> 56 57 <textarea id="msg_input_box" class="msg_input_box"> 58 59 60 61 </textarea> 62 63 </div> 64 65 </div> 66 67 68 </div> 69 70 71 {% endblock %} 72 73 74 {% block bottom-js %} 75 76 <script> 77 78 $(document).ready(function () { 79 80 csrfmiddlewaretoken = $("input[name='csrfmiddlewaretoken']").val(); 81 82 83 $("body").delegate("textarea", "keydown",function(e){ 84 if(e.which == 13) {//Enter key down 85 //send msg button clicked 86 var msg_text = $("textarea").val(); 87 if ($.trim(msg_text).length > 0){ 88 //console.log(msg_text); 89 SendMsg(msg_text); 90 } 91 //no wait the send_msg's call confirm msg 92 AddSentMsgIntoBox(msg_text); 93 $("textarea").val(''); 94 } 95 });//end body 96 97 98 99 100 /*setInterval(function () { 101 LoadNewMsgs(); 102 },1000)*/ 103 104 LoadNewMsgs(); 105 106 107 108 109 });//end doc ready 110 111 112 function LoadNewMsgs() { 113 114 115 116 $.get("{% url 'get_msg' %}",function(callback){ 117 console.log("get_msg callback:",callback); 118 return LoadNewMsgs(); 119 });//end get 120 } 121 122 function SendMsg(msg) { 123 console.log("going tosend msg" + msg); 124 125 126 127 var msg_data = { 128 'csrfmiddlewaretoken':csrfmiddlewaretoken, 129 'from':"{{ request.user.userproifle.id }}", 130 'to': $("#chat_panel_header_text").attr("contact_id"), 131 'data':msg 132 } 133 $.post("{% url 'msg_api' %}", msg_data ,function(callback){ 134 135 var callback = JSON.parse(callback); //json反序列化 136 console.log("msg_send_status:",callback.msg_send_status); 137 if ( callback.msg_send_status != 1){ 138 alert("消息發送失敗:"+ msg); 139 } 140 });//end post 141 142 143 } 144 function AddSentMsgIntoBox(msg_text) { 145 var d = new Date(); 146 var msg_ele = "<div> <div>{{ request.user.userproifle.name }} "+ d.getHours() + ":" +d.getMinutes() + ":" + d.getSeconds() + "</div>"; 147 msg_ele += "<div>" + msg_text +"</div> </div>"; 148 $(".chat_panel_body").append(msg_ele); 149 150 151 $('.chat_panel_body').animate({ 152 scrollTop: $('.chat_panel_body')[0].scrollHeight}, 500) 153 154 } 155 function OpenSession(ele) { 156 var contact_id = $(ele).attr("contact_id"); 157 var contact_name = $(ele).attr("contact_name"); 158 $(ele).addClass("active"); 159 $(ele).siblings().removeClass("active"); 160 $("#chat_panel_header_text").text(contact_name); 161 $("#chat_panel_header_text").parent().removeClass("hidden"); 162 $("#chat_panel_header_text").attr("contact_id",contact_id); 163 164 } 165 166 167 168 169 170 171 </script> 172 173 174 {% endblock %}

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轉載于:https://www.cnblogs.com/heshaochuan/p/6681201.html

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