Accept Merge Request #233 细节修改&新功能 : (dev-sxw -> dev)

Merge Request: 细节修改&新功能
Created By: @esp
Accepted By: @virusdefender
URL: https://coding.net/u/virusdefender/p/qduoj/git/merge/233

contest/migrations/0009_contestsubmission_first_achieved.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contest', '0008_auto_20150912_1912'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='contestsubmission',
+            name='first_achieved',
+            field=models.BooleanField(default=False),
+        ),
+    ]

contest/models.py

@@ -89,10 +89,12 @@ class ContestSubmission(models.Model):
     total_submission_number = models.IntegerField(default=1)
     # 这道题是 AC 还是没过
     ac = models.BooleanField()
-    # ac 用时
+    # ac 用时以秒计
     ac_time = models.IntegerField(default=0)
     # 总的时间，用于acm 类型的，也需要保存罚时
     total_time = models.IntegerField(default=0)
+    # 第一个解出此题目
+    first_achieved = models.BooleanField(default=False)
 
     class Meta:
         db_table = "contest_submission"

contest/serializers.py

@@ -13,7 +13,7 @@ class CreateContestSerializer(serializers.Serializer):
     description = serializers.CharField(max_length=5000)
     mode = serializers.IntegerField()
     contest_type = serializers.IntegerField()
-    show_rank = serializers.BooleanField()
+    real_time_rank = serializers.BooleanField()
     show_user_submission = serializers.BooleanField()
     password = serializers.CharField(max_length=30, required=False, default=None)
     start_time = serializers.DateTimeField()
@@ -47,7 +47,7 @@ class EditContestSerializer(serializers.Serializer):
     description = serializers.CharField(max_length=10000)
     mode = serializers.IntegerField()
     contest_type = serializers.IntegerField()
-    show_rank = serializers.BooleanField()
+    real_time_rank = serializers.BooleanField()
     show_user_submission = serializers.BooleanField()
     password = serializers.CharField(max_length=30, required=False, default=None)
     start_time = serializers.DateTimeField()

contest/views.py

@@ -21,6 +21,8 @@ from .serializers import (CreateContestSerializer, ContestSerializer, EditContes
                           CreateContestProblemSerializer, ContestProblemSerializer,
                           ContestPasswordVerifySerializer,
                           EditContestProblemSerializer)
+from oj.settings import REDIS_CACHE
+import redis
 
 
 class ContestAdminAPIView(APIView):
@@ -58,7 +60,7 @@ class ContestAdminAPIView(APIView):
             try:
                 contest = Contest.objects.create(title=data["title"], description=data["description"],
                                                  mode=data["mode"], contest_type=data["contest_type"],
-                                                 show_rank=data["show_rank"], password=data["password"],
+                                                 real_time_rank=data["real_time_rank"], password=data["password"],
                                                  show_user_submission=data["show_user_submission"],
                                                  start_time=dateparse.parse_datetime(data["start_time"]),
                                                  end_time=dateparse.parse_datetime(data["end_time"]),
@@ -112,7 +114,7 @@ class ContestAdminAPIView(APIView):
             contest.description = data["description"]
             contest.mode = data["mode"]
             contest.contest_type = data["contest_type"]
-            contest.show_rank = data["show_rank"]
+            contest.real_time_rank = data["real_time_rank"]
             contest.show_user_submission = data["show_user_submission"]
             contest.start_time = dateparse.parse_datetime(data["start_time"])
             contest.end_time = dateparse.parse_datetime(data["end_time"])
@@ -353,7 +355,6 @@ def contest_list_page(request, page=1):
     if request.user.is_authenticated and join:
         contests = contests.filter(Q(contest_type__in=[1, 2]) | Q(groups__in=request.user.group_set.all())). \
             filter(end_time__gt=datetime.datetime.now(), start_time__lt=datetime.datetime.now())
-
     paginator = Paginator(contests, 20)
     try:
         current_page = paginator.page(int(page))
@@ -390,23 +391,62 @@ def _cmp(x, y):
             return -1
 
 
+def get_the_time_format(seconds):
+    if not seconds:
+        return ""
+    result = str(seconds % 60)
+    if seconds % 60 < 10:
+        result = "0" + result
+    result = str((seconds % 3600) / 60) + ":" + result
+    if (seconds % 3600) / 60 < 10:
+        result = "0" + result
+    result = str(seconds / 3600) + ":" + result
+    if seconds / 3600 < 10:
+        result = "0" + result
+    return result
+
+
 @check_user_contest_permission
 def contest_rank_page(request, contest_id):
     contest = Contest.objects.get(id=contest_id)
     contest_problems = ContestProblem.objects.filter(contest=contest).order_by("sort_index")
-    result = ContestSubmission.objects.filter(contest=contest).values("user_id").\
+    r = redis.Redis(host=REDIS_CACHE["host"], port=REDIS_CACHE["port"], db=REDIS_CACHE["db"])
-        annotate(total_submit=Sum("total_submission_number"))
+    if contest.real_time_rank:
-    for i in range(0, len(result)):
+        # 更新rank
-        # 这个人所有的提交
+        result = ContestSubmission.objects.filter(contest=contest).values("user_id"). \
-        submissions = ContestSubmission.objects.filter(user_id=result[i]["user_id"], contest_id=contest_id)
+            annotate(total_submit=Sum("total_submission_number"))
-        result[i]["submissions"] = {}
+        for i in range(0, len(result)):
-        for item in submissions:
+            # 这个人所有的提交
-            result[i]["submissions"][item.problem_id] = item
+            submissions = ContestSubmission.objects.filter(user_id=result[i]["user_id"], contest_id=contest_id)
-        result[i]["total_ac"] = submissions.filter(ac=True).count()
+            result[i]["submissions"] = {}
-        result[i]["user"] = User.objects.get(id=result[i]["user_id"])
+            result[i]["problems"] = []
-        result[i]["total_time"] = submissions.filter(ac=True).aggregate(total_time=Sum("total_time"))["total_time"]
+            for problem in contest_problems:
+                try:
+                    status = submissions.get(problem=problem)
+                    result[i]["problems"].append({
+                        "first_achieved": status.first_achieved,
+                        "ac": status.ac,
+                        "failed_number": status.total_submission_number,
+                        "ac_time": get_the_time_format(status.ac_time)})
+                    if status.ac:
+                        result[i]["problems"][-1]["failed_number"] -= 1
+                except ContestSubmission.DoesNotExist:
+                    result[i]["problems"].append({})
+            result[i]["total_ac"] = submissions.filter(ac=True).count()
+            result[i]["username"] = User.objects.get(id=result[i]["user_id"]).username
+            result[i]["total_time"] = get_the_time_format(submissions.filter(ac=True).aggregate(total_time=Sum("total_time"))["total_time"])
+        result = sorted(result, cmp=_cmp, reverse=True)
+        r.set("contest_rank_" + contest_id, json.dumps(list(result)))
+    else:
+        # 从缓存读取排名信息
+        result = r.get("contest_rank_" + contest_id)
+        if result:
+            result = json.loads(result)
+        else:
+            result = []
 
     return render(request, "oj/contest/contest_rank.html",
                   {"contest": contest, "contest_problems": contest_problems,
-                   "result": sorted(result, cmp=_cmp, reverse=True),
+                   "result": result,
-                   "auto_refresh": request.GET.get("auto_refresh", None) == "true"})
+                   "auto_refresh": request.GET.get("auto_refresh", None) == "true",
+                   "real_time_rank": contest.real_time_rank})

mq/scripts/info.py

@@ -8,7 +8,7 @@ from judge.judger.result import result
 from submission.models import Submission
 from problem.models import Problem
 from contest.models import ContestProblem, Contest, ContestSubmission
-
+from account.models import User
 logger = logging.getLogger("app_info")
 
 
@@ -53,10 +53,8 @@ class MessageQueue(object):
                 contest_submission = ContestSubmission.objects.get(user_id=submission.user_id, contest=contest,
                                                                    problem_id=contest_problem.id)
                 # 提交次数加1
-                contest_submission.total_submission_number += 1
 
                 if submission.result == result["accepted"]:
-
                     # 避免这道题已经 ac 了，但是又重新提交了一遍
                     if not contest_submission.ac:
                         # 这种情况是这个题目前处于错误状态，就使用已经存储了的罚时加上这道题的实际用时
@@ -64,30 +62,40 @@ class MessageQueue(object):
                         # logger.debug(submission.create_time)
                         # logger.debug((submission.create_time - contest.start_time).total_seconds())
                         # logger.debug(int((submission.create_time - contest.start_time).total_seconds() / 60))
-                        contest_submission.ac_time = int((submission.create_time - contest.start_time).total_seconds() / 60)
+                        contest_submission.ac_time = int((submission.create_time - contest.start_time).total_seconds())
                         contest_submission.total_time += contest_submission.ac_time
+                        contest_submission.total_submission_number += 1
                     # 标记为已经通过
+                    if contest_problem.total_accepted_number == 0:
+                        contest_submission.first_achieved = True
                     contest_submission.ac = True
                     # contest problem ac 计数器加1
                     contest_problem.total_accepted_number += 1
                 else:
                     # 如果这个提交是错误的，就罚时20分钟
-                    contest_submission.total_time += 20
+                    contest_submission.total_time += 1200
+                    contest_submission.total_submission_number += 1
                 contest_submission.save()
                 contest_problem.save()
             except ContestSubmission.DoesNotExist:
                 # 第一次提交
                 is_ac = submission.result == result["accepted"]
+                first_achieved = False
+                ac_time = 0
                 if is_ac:
-                    total_time = int((submission.create_time - contest.start_time).total_seconds() / 60)
+                    ac_time = int((submission.create_time - contest.start_time).total_seconds())
+                    total_time = int((submission.create_time - contest.start_time).total_seconds())
                     # 增加题目总的ac数计数器
+                    if contest_problem.total_accepted_number == 0:
+                        first_achieved = True
                     contest_problem.total_accepted_number += 1
                     contest_problem.save()
                 else:
                     # 没过罚时20分钟
-                    total_time = 20
+                    total_time = 1200
                 ContestSubmission.objects.create(user_id=submission.user_id, contest=contest, problem=contest_problem,
-                                                 ac=is_ac, total_time=total_time)
+                                                 ac=is_ac, total_time=total_time, first_achieved=first_achieved,
+                                                 ac_time=ac_time)
 
 
 logger.debug("Start message queue")

problem/serizalizers.py

@@ -31,6 +31,7 @@ class CreateProblemSerializer(serializers.Serializer):
     difficulty = serializers.IntegerField()
     tags = serializers.ListField(child=serializers.CharField(max_length=10))
     hint = serializers.CharField(max_length=3000, allow_blank=True)
+    visible = visible = serializers.BooleanField()
 
 
 class ProblemTagSerializer(serializers.ModelSerializer):

problem/views.py

@@ -13,13 +13,16 @@ from rest_framework.views import APIView
 
 from django.conf import settings
 
+
 from announcement.models import Announcement
 from utils.shortcuts import (serializer_invalid_response, error_response,
                              success_response, paginate, rand_str, error_page)
 from .serizalizers import (CreateProblemSerializer, EditProblemSerializer, ProblemSerializer,
                            ProblemTagSerializer, CreateProblemTagSerializer)
 from .models import Problem, ProblemTag
+import logging
 
+logger = logging.getLogger("app_info")
 
 def problem_page(request, problem_id):
     try:
@@ -56,7 +59,8 @@ class ProblemAdminAPIView(APIView):
                                              memory_limit=data["memory_limit"],
                                              difficulty=data["difficulty"],
                                              created_by=request.user,
-                                             hint=data["hint"])
+                                             hint=data["hint"],
+                                             visible=data["visible"])
             for tag in data["tags"]:
                 try:
                     tag = ProblemTag.objects.get(name=tag)
@@ -151,8 +155,9 @@ class TestCaseUploadAPIView(APIView):
             with open(tmp_zip, "wb") as test_case_zip:
                 for chunk in f:
                     test_case_zip.write(chunk)
-        except IOError:
+        except IOError as e:
-            return error_response(u"上传错误，写入临时目录失败")
+            logger.error(e)
+            return error_response(u"上传失败")
 
         test_case_file = zipfile.ZipFile(tmp_zip, 'r')
         name_list = test_case_file.namelist()

static/src/css/oj.css

@@ -107,4 +107,9 @@ li.list-group-item {
 
 #about-acm-logo{
     width: 40%;
-}
+}
+
+.rank .first-achieved{
+    background: #33CC99;
+}
+

static/src/js/app/admin/contest/contestList.js

@@ -28,7 +28,7 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "datetimePicker",
                     ajaxData.groups = selectedGroups;
                 }
                 else {
-                    if (vm.password) {
+                    if (vm.editPassword) {
                         ajaxData.password = vm.editPassword;
                         ajaxData.contest_type = 2;
                     }
@@ -114,7 +114,7 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "datetimePicker",
                 isGlobal: true,
                 allGroups: [],
                 showGlobalViewRadio: true,
-
+                admin_type: 1,
                 getNext: function () {
                     if (!vm.nextPage)
                         return;
@@ -211,6 +211,39 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "datetimePicker",
                     if (el)
                         problemId = el.id;
                     vm.$fire("up!showContestSubmissionPage", problemId, vm.contestList[vm.editingProblemContestIndex - 1].id, vm.editMode);
+                },
+                addToProblemList: function (problem) {
+                    var ajaxData = {
+                        title: problem.title,
+                        description: problem.description,
+                        time_limit: problem.time_limit,
+                        memory_limit: problem.memory_limit,
+                        samples: problem.samples,
+                        test_case_id: problem.test_case_id,
+                        hint: problem.hint,
+                        source: problem.contest.title,
+                        visible: false,
+                        tags: [],
+                        input_description: problem.input_description,
+                        output_description: problem.output_description,
+                        difficulty: 0
+                    };
+                    $.ajax({
+                        beforeSend: csrfTokenHeader,
+                        url: "/api/admin/problem/",
+                        dataType: "json",
+                        data: JSON.stringify(ajaxData),
+                        method: "post",
+                        contentType: "application/json",
+                        success: function (data) {
+                            if (!data.code) {
+                                bsAlert("题目添加成功！题目现在处于隐藏状态，请到题目列表手动修改，并添加分类和难度信息！");
+                            }
+                            else {
+                                bsAlert(data.data);
+                            }
+                        }
+                    });
                 }
             });
             vm.$watch("showVisibleOnly", function () {
@@ -266,6 +299,7 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "datetimePicker",
             success: function (data) {
                 if (!data.code) {
                     var admin_type = data.data.admin_type;
+                    vm.admin_type = admin_type;
                     if (data.data.admin_type == 1) {
                         vm.isGlobal = false;
                         vm.showGlobalViewRadio = false;
@@ -278,6 +312,7 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "datetimePicker",
                     success: function (data) {
                         if (!data.code) {
                             if (!data.data.length) {
+
                                 if (admin_type != 2)
                                     bsAlert("您的用户权限只能创建小组内比赛，但是您还没有创建过小组");
                                 return;

static/src/js/app/oj/problem/problem.js

@@ -117,11 +117,11 @@ require(["jquery", "codeMirror", "csrfToken", "bsAlert", "ZeroClipboard"],
 
         function guessLanguage(code) {
             //cpp
-            if (code.indexOf("using namespace std") > -1) {
+            if (code.indexOf("using namespace std") > -1||code.indexOf("<cstdio>") > -1) {
                 return "2";
             }
-            //c
+            if (code.indexOf("printf"))
-            if (code.indexOf("printf") > -1) {
+            {
                 return "1";
             }
             //java
@@ -146,6 +146,19 @@ require(["jquery", "codeMirror", "csrfToken", "bsAlert", "ZeroClipboard"],
                 }
             }
 
+            if (language < 3) {
+                if (code.indexOf("__int64") > -1) {
+                    if (!confirm("您是否在尝试使用'__int64'类型? 这不是 c/c++ 标准并将引发编译错误可以使用 'long long' 代替(详见 关于->帮助)，是否仍然提交？")) {
+                        return;
+                    }
+                }
+                if (code.indexOf("%I64d") > -1) {
+                    if (!confirm("您是否在尝试将'%I64d'用于long long类型的I/O? 这不被支持，并可能会导致程序输出异常，可以使用 '%lld' 代替(详见 关于->帮助)，是否仍然提交？")) {
+                        return;
+                    }
+                }
+            }
+
             if (location.href.indexOf("contest") > -1) {
                 var problemId = location.pathname.split("/")[4];
                 var contestId = location.pathname.split("/")[2];

submission/views.py

@@ -21,7 +21,6 @@ from .models import Submission
 from .serializers import CreateSubmissionSerializer, SubmissionSerializer, SubmissionhareSerializer
 
 
-
 class SubmissionAPIView(APIView):
     @login_required
     def post(self, request):
@@ -81,7 +80,8 @@ def problem_my_submissions_list_page(request, problem_id):
     except Problem.DoesNotExist:
         return error_page(request, u"问题不存在")
 
-    submissions = Submission.objects.filter(user_id=request.user.id, problem_id=problem.id, contest_id__isnull=True).order_by("-create_time"). \
+    submissions = Submission.objects.filter(user_id=request.user.id, problem_id=problem.id,
+                                            contest_id__isnull=True).order_by("-create_time"). \
         values("id", "result", "create_time", "accepted_answer_time", "language")
 
     return render(request, "oj/problem/my_submissions_list.html",
@@ -193,7 +193,7 @@ def my_submission_list_page(request, page=1):
     return render(request, "oj/submission/my_submissions_list.html",
                   {"submissions": current_page, "page": int(page),
                    "previous_page": previous_page, "next_page": next_page, "start_id": int(page) * 20 - 20,
-                   "announcements": announcements, "filter":filter})
+                   "announcements": announcements, "filter": filter})
 
 
 class SubmissionShareAPIView(APIView):
@@ -209,4 +209,4 @@ class SubmissionShareAPIView(APIView):
             submission.save()
             return success_response(submission.shared)
         else:
-            return serializer_invalid_response(serializer)
+            return serializer_invalid_response(serializer)

template/src/admin/admin.html

@@ -31,9 +31,9 @@
         </div>
         <div id="navbar" class="navbar-collapse collapse">
             <ul class="nav navbar-nav">
-                <li class="active"><a href="#">主页</a></li>
+                <li class="active"><a href="/" target="_blank">主页</a></li>
-                <li><a href="#about">题目</a></li>
+                <li><a href="#problem">题目</a></li>
-                <li><a href="#contact">提交</a></li>
+                <li><a href="#">提交</a></li>
             </ul>
             <ul class="nav navbar-nav navbar-right">
                 <li class="dropdown">

template/src/admin/contest/contest_list.html

@@ -178,6 +178,8 @@
                        ms-click="showProblemEditPage(el)">编辑</a>
                     <a href="javascript:void(0)" class="btn-sm btn-info"
                        ms-click="showSubmissionPage(el)">提交</a>
+                    <a href="javascript:void(0)" class="btn-sm btn-info"
+                       ms-click="addToProblemList(el)" ms-visible="admin_type=='2'">添加到前台</a>
                 </td>
             </tr>
         </table>

template/src/oj/contest/contest_rank.html

@@ -1,6 +1,5 @@
 {% extends "oj_base.html" %}
 {% block body %}
-    {% load submission %}
     <div class="container main">
 
         <ul class="nav nav-tabs nav-tabs-google contest-tab">
@@ -19,44 +18,57 @@
         </ul>
 
         <div class="row">
-
+            <div class="col-lg-12">
-            {% if result %}
+                <h2 class="text-center">排名(
-                <table class="table table-bordered">
+                    {% if real_time_rank %}
-                    <thead>
+                        实时
-                    <tr>
+                    {% else %}
-                        <th>#</th>
+                        已封榜
-                        <th>用户名</th>
+                    {% endif %})
-                        <th>AC / 总提交</th>
+                </h2>
-                        <th>用时 + 罚时</th>
+                {% if result %}
-                        {% for item in contest_problems %}
+                    <table class="table table-bordered text-center">
-                            <th><a href="/contest/{{ contest.id }}/problem/{{ item.id }}/">{{ item.sort_index }}</a>
+                        <thead>
-                            </th>
-                        {% endfor %}
-                    </tr>
-                    </thead>
-                    <tbody>
-                    {% for item in result %}
                         <tr>
-                            <th scope="row">{{ forloop.counter }}</th>
+                            <th>#</th>
-                            <td>{{ item.user.username }}</td>
+                            <th class="text-center">用户名</th>
-                            <td>{{ item.total_ac }} / {{ item.total_submit }}</td>
+                            <th class="text-center">AC / 总提交</th>
-                            <td>{% if item.total_time %}{{ item.total_time }} min{% else %}--{% endif %}</td>
+                            <th class="text-center">用时 + 罚时</th>
-                            {% for problem in contest_problems %}
+                            {% for item in contest_problems %}
-                                <td class="{% submission_problem_result_class problem item.submissions %}">
+                                <th class="text-center"><a
-                                    {% submission_problem problem item.submissions %}
+                                        href="/contest/{{ contest.id }}/problem/{{ item.id }}/">{{ item.sort_index }}</a>
-                                </td>
+                                </th>
                             {% endfor %}
                         </tr>
-                    {% endfor %}
+                        </thead>
-                    </tbody>
+                        <tbody class="rank">
-                </table>
+                        {% for item in result %}
-                <input type="checkbox" id="auto-refresh" {% if auto_refresh %}checked{% endif %}
+                            <tr>
-                       onchange="if(this.checked){location.href='?auto_refresh=true'}else{location.href=location.href.split('?')[0]}">
+                                <th scope="row">{{ forloop.counter }}</th>
-                自动刷新
+                                <td>{{ item.username }}</td>
-            {% else %}
+                                <td>{{ item.total_ac }} / {{ item.total_submit }}</td>
-                <p>还没有结果</p>
+                                <td>{% if item.total_time %}{{ item.total_time }}{% else %}--{% endif %}</td>
-            {% endif %}
+                                {% for problem in item.problems %}
+                                    <td class="
+                                            {% if problem %}{% if problem.ac %}{% if problem.first_achieved %}first-achieved{% else %}alert-success{% endif %}{% else %}alert-danger{% endif %}{% endif %}">
+                                        {% if problem.ac %}{{ problem.ac_time }}{% endif %}
+                                        {% if problem.failed_number %}
+                                            (-{{ problem.failed_number }})
+                                        {% endif %}
+                                    </td>
+                                {% endfor %}
+                            </tr>
+                        {% endfor %}
+                        </tbody>
+                    </table>
+                    <input type="checkbox" id="auto-refresh" {% if auto_refresh %}checked{% endif %}
+                           onchange="if(this.checked){location.href='?auto_refresh=true'}else{location.href=location.href.split('?')[0]}">
+                    自动刷新
+                {% else %}
+                    <p>还没有结果</p>
+                {% endif %}
 
+            </div>
         </div>
     </div>
 {% endblock %}

template/src/oj_base.html

@@ -50,28 +50,31 @@
                 <li><a href="/about/">关于</a></li>
             </ul>
             {% if request.user.is_authenticated %}
-            <ul class="nav navbar-nav navbar-right">
+                <ul class="nav navbar-nav navbar-right">
-                <li class="dropdown">
+                    <li class="dropdown">
-                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
+                        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
-                       aria-expanded="false">
+                           aria-expanded="false">
-                        {{ request.user.username }}
+                            {{ request.user.username }}
-                        <span class="caret"></span></a>
+                            <span class="caret"></span></a>
-                    <ul class="dropdown-menu">
+                        <ul class="dropdown-menu">
-                        <li><a href="/submissions/">我的提交</a></li>
+                            {% if request.user.admin_type == 2 %}
-                        <li><a href="#">我的资料</a></li>
+                                <li><a href="/admin/">后台管理</a></li>
-                        <li role="separator" class="divider"></li>
+                            {% endif %}
-                        <li><a href="/logout/">退出</a></li>
+                            <li><a href="/submissions/">我的提交</a></li>
-                    </ul>
+                            <li><a href="#">我的资料</a></li>
-                </li>
+                            <li role="separator" class="divider"></li>
-            </ul>
+                            <li><a href="/logout/">退出</a></li>
+                        </ul>
+                    </li>
+                </ul>
             {% else %}
-            <ul class="nav navbar-nav navbar-right">
+                <ul class="nav navbar-nav navbar-right">
-                <li>
+                    <li>
-                    <a href="/login/">
+                        <a href="/login/">
-                        登录
+                            登录
-                    </a>
+                        </a>
-                </li>
+                    </li>
-            </ul>
+                </ul>
             {% endif %}
         </div>
     </div>

template/src/utils/help.html

@@ -0,0 +1,60 @@
+{% extends "oj_base.html" %}
+{% block body %}
+    <div class="container main">
+        <ul class="nav nav-tabs nav-tabs-google">
+            <li role="presentation" class="active">
+                <a href="/help/">帮助</a>
+            </li>
+            <li role="presentation">
+                <a href="/about/">关于</a>
+            </li>
+        </ul>
+        <div>
+            <h2 class="text-center">判题系统</h2>
+            <h4>判题结果</h4>
+            <ul>
+                <li>Accepted: 你的答案符合判题标准</li>
+                <li>Runtime Error: 你的程序运行时出现错误（指针越界，栈溢出，有未处理的异常，主函数返回值非零等）</li>
+                <li>Time Limit Exceeded: 你的程序执行时间超出题目要求</li>
+                <li>Memory Limit Exceeded: 你的程序内存使用超出题目要求</li>
+                <li>Compile Error: 你的程序在编译（包括链接）时出现错误</li>
+                <li>Wrong Answer: 你的程序输出的答案不符合判题标准</li>
+                <li>System Error: 判题系统发生故障，请等待重判</li>
+                <li>Waiting: 你的提交正在等待处理</li>
+            </ul>
+            <h4>支持的语言</h4>
+            <ul>
+                <li>C (GCC 4.8)</li>
+
+                <li>C++ (G++ 4.3)</li>
+
+                <li>Java (Oracle JDK 1.7)</li>
+            </ul>
+            <h4>编译参数</h4>
+            <ul>
+                <li>C</li>
+                <p>gcc -DONLINE_JUDGE -O2 -w -std=c99 {src_path} -lm -o {exe_path}main</p>
+                <li>C++</li>
+                <p>g++ -DONLINE_JUDGE -O2 -w -std=c++11 {src_path} -lm -o {exe_path}main</p>
+                <li>Java</li>
+                <p>javac {src_path} -d {exe_path}</p>
+                <p>java -cp {exe_path} Main</p>
+            </ul>
+
+
+            <h2 class="text-center">常见问题</h2>
+            <ul>
+                <li>输入输出</li>
+                <p>无特殊说明，请使用标准输入输出</p>
+                <li>C/C++的64位整数类型</li>
+                <p>请使用long long声明，使用cin/cout或 %lld输入输出</p>
+                <li>判题结果与本地执行结果不一致</li>
+                <p>是否使用了不同版本的编译器（VC和TC并不完全符合C/C++标准）</p>
+                <p>判题时可能使用了与您测试时不同的测试数据（不仅限于样例中展示的数据）</p>
+                <li>程序执行时间和占用的内存如何计算</li>
+                <p>执行时间指CPU时间，占用内存按执行过程中内存消耗的峰值计，有多组测试数据时以最大的时间和内存消耗为准</p>
+
+            </ul>
+        </div>
+    </div>
+{% endblock %}

utils/templatetags/submission.py

@@ -29,33 +29,7 @@ def translate_result_class(value):
     return "danger"
 
 
-def get_contest_submission_problem_detail(contest_problem, my_submission):
-    if contest_problem.id in my_submission:
-        submission = my_submission[contest_problem.id]
-        if submission.ac:
-            # 只提交了一次就AC
-            if submission.total_submission_number == 1:
-                return str(submission.ac_time) + " min"
-            else:
-                return "20 min × " + str(submission.total_submission_number - 1) + " WA + " + str(submission.ac_time) + " min"
-        return str(submission.total_submission_number) + " WA"
-    else:
-        return ""
-
-
-def get_submission_problem_result_class(contest_problem, my_submission):
-    if contest_problem.id in my_submission:
-        submission = my_submission[contest_problem.id]
-        if submission.ac:
-            return "success"
-        else:
-            return "danger"
-    else:
-        return ""
-
 register = template.Library()
 register.filter("translate_result", translate_result)
 register.filter("translate_language", translate_language)
 register.filter("translate_result_class", translate_result_class)
-register.simple_tag(get_contest_submission_problem_detail, name="submission_problem")
-register.simple_tag(get_submission_problem_result_class, name="submission_problem_result_class")

utils/views.py

@@ -5,7 +5,9 @@ from rest_framework.response import Response
 from django.conf import settings
 
 from utils.shortcuts import rand_str
+import logging
 
+logger = logging.getLogger("app_info")
 
 class SimditorImageUploadAPIView(APIView):
     def post(self, request):
@@ -22,7 +24,8 @@ class SimditorImageUploadAPIView(APIView):
             with open(image_dir, "wb") as imageFile:
                 for chunk in img:
                     imageFile.write(chunk)
-        except IOError:
+        except IOError as e:
+            logger.error(e)
             return Response(data={
                 "success": True,
                 "msg": "上传错误",