Django 学生管理系统
1. 一对一 班级 模态增加 编辑
def classes(request):
data = sqlheper.get_list("select cid,title from class",[])
return render(request, "classes.html", {"data": data}) def motai_add_class(request):
ret = {'status': True, 'message': None}
title = request.POST.get('title')
try:
nid = request.POST.get('nid')
content = request.POST.get('content')
sqlheper.motify_sql('insert into class(title) values(%s)',[title,])
except Exception as e:
ret['status'] = False
ret['message'] = "处理异常" return HttpResponse(json.dumps(ret)) def modal_edit_class(request):
print(request.POST)
ret = {'status': True, 'message':None}
try:
id = request.POST.get('id')
title = request.POST.get('title')
sqlheper.motify_sql('update class set title=%s where cid=%s',[title,id,])
except Exception as e:
ret['status'] = False
ret['message'] = "处理异常" return HttpResponse(json.dumps(ret))
classes.html
2.一对多 学生班级 模态增加 编辑
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.hide{
display: none;
}
.shadow{
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
background-color: black;
z-index: 999;
opacity: 0.4;
}
.Modal{
position: fixed;
top: 50%;
left: 50%;
width: 400px;
height: 300px;
margin-left: -200px;
margin-top: -150px;
z-index: 1000;
background-color: white;
}
</style>
</head>
<body> <h1>班级学员</h1> <div>
<a id="addStudent">模态框增加</a>
</div> <table border="1px">
<thead>
<tr>
<td>学员名称</td>
<td>学生名称</td>
<td>班级名称</td>
<td>模态操作</td>
</tr>
</thead>
<tbody>
{% for row in student_list %}
<tr>
<td>{{ row.sid }}</td>
<td>{{ row.name }}</td>
<td clsId="{{ row.class_id }}">{{ row.title }}</td>
<td>
<a class="btn-edit">编辑</a>
<a >删除</a>
</td>
</tr>
{% endfor %}
</tbody>
</table> <div id="shadow" class="shadow hide"></div> {#增加#}
<div id="addModal" class="Modal hide"> <p>学生名称:
<input id="add_name" type="text" name="add_name">
</p>
<p>学生性别:
<input id="add_sex" type="text" name="add_sex">
</p>
<p>班级名称:
<select id="add_classId" name="add_classId">
{% for row in class_list %}
<option value="{{ row.cid }}">{{ row.title }}</option>
{% endfor %}
</select>
</p> <input id="btnAdd" type="button" value="提交"><span id="addError"></span>
<input id="btnCancle" type="button" value="取消"> </div> {#编辑#}
<div id="editModal" class="Modal hide">
<h3>编辑学生信息</h3>
<p>
姓名：<input id="editName" type="text" name="name" placeholder="姓名" />
<input type="text" id="editId" style="display: none" />
</p>
<p>
班级：
<select id="editClassId" name="classId">
{% for row in class_list %}
<option value="{{ row.cid }}">{{ row.title }}</option>
{% endfor %}
</select>
</p>
<input id="btnEdit" type="button" value="更新" />
<span id="editError" style="color: red;"></span>
<input id="btnCancle" type="button" value="取消" />
</div> <script src="/static/jquery-3.2.1.js"></script> <script> $(function () { {# 增加#} $("#addStudent").click(function () {
$("#shadow,#addModal").removeClass("hide");
}); $("#btnCancle").click(function () {
$("#shadow,#addModal").addClass("hide");
$("#editModal").addClass("hide");
}); $("#btnAdd").click(function () {
var add_name=$("#add_name").val();
var add_age=$("#add_sex").val();
var add_classId=$("#add_classId").val();
$.ajax({
url:"/motai_add_student/",
type:"POST",
data:{"add_name":add_name,"add_age":add_age,"add_classId":add_classId},
success:function (arg) {
arg = JSON.parse(arg);
if (arg.status){
location.reload();
}else {
$("#addError").text(arg.message);
}
}
}) }); {# 编辑 #}
$('.btn-edit').click(function(){
$('#shadow,#editModal').removeClass('hide'); var tds = $(this).parent().prevAll();
var studentId = $(tds[2]).text();
var studentName = $(tds[1]).text();
var classId = $(tds[0]).attr('clsid'); console.log(studentId,studentName,classId); $('#editId').val(studentId);
$('#editName').val(studentName);
$('#editClassId').val(classId);
}); $('#btnEdit').click(function(){
$.ajax({
url:'/motai_edit_student/',
type: 'POST',
data: {'sid': $('#editId').val(), 'name':$('#editName').val(),'class_id': $('#editClassId').val()},
dataType: 'JSON', //JSON.parse(arg)
success:function(arg){
if(arg.status){
location.reload();
}else{
$('#editError').text(arg.message);
}
}
})
});
}) </script> </body>
</html>
student.html
def student(request):
student_list = sqlheper.get_list("select student.sid,student.name,student.class_id,class.title from student left join class on student.class_id=class.cid",[]) class_list = sqlheper.get_list("select cid,title from class",[]) return render(request, "student.html", {"student_list":student_list, "class_list":class_list}) def motai_add_student(request):
print(request.POST)
ret = {"status":True,"message":None}
try:
name = request.POST.get("add_name")
age = request.POST.get("add_age")
classId = request.POST.get("add_classId") sqlheper.motify_sql("insert into student(name,age,class_id) values(%s,%s,%s)",[name,age,classId,])
except Exception as e:
ret["status"] = False
ret["message"] = str(e)
return HttpResponse(json.dumps(ret)) def motai_edit_student(request):
ret = {'status': True,'message': None}
try: print(request.POST)
sid = request.POST.get('sid')
name = request.POST.get('name')
class_id = request.POST.get('class_id')
sqlheper.motify_sql('update student set name=%s,class_id=%s where sid=%s',[name,class_id,sid,])
except Exception as e:
ret['status'] = False
ret['message'] = str(e)
return HttpResponse(json.dumps(ret))
Views
3.多对多 老师 班级 模态增加 编辑
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.hide{
display: none;
}
.shadow{
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
background-color: black;
z-index: 999;
opacity: 0.4;
}
.Modal{
position: fixed;
top: 50%;
left: 50%;
width: 400px;
height: 300px;
margin-left: -200px;
margin-top: -150px;
z-index: 1000;
background-color: white;
}
</style>
</head>
<body> <h1>老师 班级管理</h1> <div> <a id="addModal">模态框增加</a>
</div> <table border="solid" >
<thead>
<tr>
<td>ID</td>
<td>老师名称</td>
<td>班级名称</td>
<td>操作</td>
</tr>
</thead>
<tbody>
{% for row in teacher_list %}
<tr>
<td>{{ row.tid }}</td>
<td>{{ row.name }}</td>
<td>
{% for item in row.titles %}
{{ item }}
{% endfor %}
</td>
<td>
<a class="editModal">编辑</a>
<a class="delModal">删除</a>
</td>
</tr>
{% endfor %}
</tbody> </table> <div id="shadow" class="shadow hide"></div> <div id="add_tea_cls" class="Modal hide"> <p>老师名称:
<input id="add_name" type="text" name="add_name">
</p> <p>班级名称:
<select id="add_classId" name="add_classId" multiple>
{% for row in class_list %}
<option value="{{ row.cid }}">{{ row.title }}</option>
{% endfor %}
</select>
</p>
<input id="btnAdd" type="button" value="提交"><span id="addError"></span>
<input id="btnCancle" type="button" value="取消"> </div> <div id="edit_tea_cls" class="Modal hide"> <p>老师名称:
<input id="add_name" type="text" name="add_name">
</p> <p>班级名称:
<select id="add_classId" name="add_classId" multiple>
{% for row in class_list %}
<option value="{{ row.cid }}">{{ row.title }}</option>
{% endfor %}
</select>
</p>
<input id="btnEdit" type="button" value="提交"><span id="addError"></span>
<input id="cacleEdit" type="button" value="取消"> </div> <script src="/static/jquery-3.2.1.js"></script> <script> $(function () { {# 增加#}
$("#addModal").click(function () {
$("#shadow,#add_tea_cls").removeClass("hide");
}); $("#btnCancle").click(function () {
$("#shadow,#add_tea_cls").addClass("hide");
}); $("#btnAdd").click(function () {
tname=$("#add_name").val();
class_list=$("#add_classId").val();
console.log(class_list)
$.ajax({
url:"/new_teacher/",
type:"POST",
data:{"tname":tname,"class_list":class_list},
success:function (arg) {
arg = JSON.parse(arg);
if (arg.status){
location.reload();
}else {
$("#addError").text(arg.message);
}
}
})
}); {# 编辑#}
$(".editModal").click(function () {
$("#shadow").removeClass("hide");
$("#edit_tea_cls").removeClass("hide");
}); $("#cacleEdit").click(function () {
$("#shadow,#edit_tea_cls").addClass("hide");
}); }) </script> </body>
</html>
teacher.html
def teacher(request):
teacher_list=sqlheper.get_list("""
select teacher.tid as tid,teacher.name,class.title from teacher
left join teacher_class on teacher_class.teacher_id=teacher.tid
left join class on class.cid=teacher_class.class_id""",[])
# print(teacher_list)
result = {}
for row in teacher_list:
tid = row["tid"]
if tid in result:
result[tid]["titles"].append(row["title"])
else:
result[tid] = {"tid":row["tid"],"name":row["name"],"titles":[row["title"],]}
class_list = sqlheper.get_list("select cid,title from class",[])
return render(request, "teacher.html_模态增加 老师班级", {"teacher_list":result.values(), "class_list":class_list})
###模态增加
def new_teacher(request):
print(request.POST)
ret = {'status': True, 'message': None}
try:
class_list=request.POST.getlist("class_list[]")
tname=request.POST.get("tname")
print(class_list)
print(tname)
teacher_id=sqlheper.get_IncrementId("insert into teacher(name) values(%s)",[tname,])
for item in class_list:
sqlheper.motify_sql("insert into teacher_class(teacher_id,class_id) values(%s,%s)",[teacher_id,item,])
except Exception as e:
ret['status'] = False
ret['message'] = str(e)
return HttpResponse(json.dumps(ret))
views
4.多对多 老师 班级 新url 增加 编辑
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title> </head>
<body> <h1>老师 班级管理</h1> <div> <a href="/add_page_teacher/">增加</a>
</div> <table border="solid" >
<thead>
<tr>
<td>ID</td>
<td>老师名称</td>
<td>班级名称</td>
<td>操作</td>
</tr>
</thead>
<tbody>
{% for row in teacher_list %}
<tr>
<td>{{ row.tid }}</td>
<td>{{ row.name }}</td>
<td>
{% for item in row.titles %}
{{ item }}
{% endfor %}
</td>
<td>
<a href="/edit_page_teacher/?tid={{ row.tid }}">编辑</a>
<a >删除</a>
</td>
</tr>
{% endfor %}
</tbody> </table> </body>
</html>
teacher.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body> <h1>增加老师</h1> <form action="/add_teacher/" method="POST">
<p>老师名称: <input type="text" name="name"></p>
<input type="submit">
</form> </body>
</html>
add_page.teacher
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body> <h3>编辑老师班级</h3> <form action="/edit_page_teacher/?tnid={{ tname.tid }}" method="post"> <p>老师名称:<input type="text" name="name" value="{{ tname.name }}"></p> <p>班级名称:
<select name="class_ids" multiple size="">
{% for item in class_list %}
{% if item.cid in class_ids %}
<option selected value="{{ item.cid }}">{{ item.title }}</option>
{% else %}
<option value="{{ item.cid }}">{{ item.title }}</option>
{% endif %}
{% endfor %}
</select> <p><input type="submit" value="提交"></p>
</p> </form> </body>
</html>
edit_teacher
###网页显示
def teacher(request): teacher_list=sqlheper.get_list("""
select teacher.tid as tid,teacher.name,class.title from teacher
left join teacher_class on teacher_class.teacher_id=teacher.tid
left join class on class.cid=teacher_class.class_id""",[])
# print(teacher_list)
result = {}
for row in teacher_list:
tid = row["tid"]
if tid in result:
result[tid]["titles"].append(row["title"])
else:
result[tid] = {"tid":row["tid"],"name":row["name"],"titles":[row["title"],]} class_list = sqlheper.get_list("select cid,title from class",[]) return render(request, "teacher.html", {"teacher_list":result.values(), "class_list":class_list}) ###网页增加
def add_page_teacher(request):
if request.method=="GET":
obj = sqlheper.SqlHelper()
class_list = obj.get_list("select cid,title from class",[])
obj.close()
return render(request,"add_page_teacher.html",{"class_list":class_list})
else: name = request.POST.get("name")
obj = sqlheper.SqlHelper()
teacher_id = obj.get_lastrowid("insert into teacher(name) values(%s)",[name,])
obj.close() class_ids = request.POST.getlist("class_ids")
print(class_ids) data_list = []
for cls_id in class_ids:
temp = (teacher_id, cls_id,)
data_list.append(temp) obj = sqlheper.SqlHelper()
obj.multiple_modify('insert into teacher_class(teacher_id,class_id) values(%s,%s)', data_list)
obj.close()
return redirect('/teacher/') ###网页编辑
def edit_page_teacher(request):
if request.method=="GET":
teacher_id = request.GET.get("tid")
obj = sqlheper.SqlHelper()
tname = obj.get_one("select tid,name from teacher where tid=%s",[teacher_id,]) class_list = obj.get_list("select cid,title from class",[]) class_ids = obj.get_list("select class_id from teacher_class where teacher_id =%s",[teacher_id,])
obj.close() temp = []
for i in class_ids:
temp.append(i['class_id']) return render(request,"edit_page_teacher.html",{
"tname":tname,
"class_list":class_list,
"class_ids":temp,
})
else:
tid=request.GET.get("tnid")
name=request.POST.get("name")
class_ids=request.POST.getlist("class_ids") obj = sqlheper.SqlHelper()
obj.modify("update teacher set name=%s where tid=%s",[name,tid,])
obj.modify('delete from teacher_class where teacher_id=%s',[tid,])
data_list = []
for cls_id in class_ids:
temp = (tid,cls_id)
data_list.append(temp)
obj.multiple_modify('insert into teacher_class(teacher_id,class_id) values(%s,%s)',data_list)
obj.close()
return redirect('/teacher/')
views
5.多对多 老师 班级 模态 增加 编辑
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.hide{
display: none;
}
.shadow{
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
background-color: black;
z-index: 999;
opacity: 0.4;
}
.loading{
position: fixed;
width: 32px;
height: 32px;
left: 50%;
top:50%;
margin-left: -16px;
margin-top: -16px;
background-color: rebeccapurple;
background-image: url("/static/images/loading.gif") ;
background-size: 100%; }
.Modal{
position: fixed;
top: 50%;
left: 50%;
width: 400px;
height: 300px;
margin-left: -200px;
margin-top: -150px;
z-index: 1000;
background-color: white;
}
</style>
<link rel="stylesheet" href="/static/plugins/bootstrap-3.3.7-dist/css/bootstrap.css">
<link rel="stylesheet" href="/static/plugins/font-awesome-4.7.0/css/font-awesome.css">
</head>
<body> <h1 >老师 班级管理</h1> <div class="btn btn-success"> <a id="addModal">模态框增加</a>
</div> <table border="solid" class="table table-striped">
<thead>
<tr>
<td>ID</td>
<td>老师名称</td>
<td>班级名称</td>
<td>操作</td>
</tr>
</thead>
<tbody>
{% for row in teacher_list %}
<tr>
<td>{{ row.tid }}</td>
<td>{{ row.name }}</td>
<td>
{% for item in row.titles %}
{{ item }}
{% endfor %}
</td>
<td>
<a class="editModal">编辑</a>
<a class="delModal">删除</a>
</td>
</tr>
{% endfor %}
</tbody> </table> <div id="shadow" class="shadow hide"></div> <div id="loading" class="loading hide"></div> <div id="add_tea_cls" class="Modal hide"> <p>老师名称:
<input id="add_name" type="text" name="add_name">
</p> <p>班级名称:
<select id="add_classId" name="add_classId" multiple size=""> </select>
</p>
<input id="btnAdd" type="button" value="提交"><span id="addError"></span>
<input id="btnCancle" type="button" value="取消"> </div> <div id="edit_tea_cls" class="Modal hide">
<input type="text" id="hide_id" style="display: none"> <p>老师名称:
<input id="edit_name" type="text" name="add_name">
</p> <p>班级名称:
<select id="edit_classId" name="edit_classId" multiple size=""> </select>
</p>
<input id="btnEdit" type="button" value="提交"><span id="addError"></span>
<input id="cacleEdit" type="button" value="取消"> </div> <script src="/static/jquery-3.2.1.js"></script> <script> $(function () { {# 增加#}
$("#addModal").click(function () {
$("#shadow,#loading").removeClass("hide");
$.ajax({
url:"/get_all_class/",
type:"GET",
dataType:"JSON",
success:function (arg) {
$.each(arg,function (i,row) {
var tag = $("<option>"); /*var tag = document.createElement('option');*/
tag.text(row.title); /*tag.innerHTML = row.title;*/
tag.prop("value",row.cid);
$("#add_classId").append(tag); /*tag.setAttribute('value',row.id);*/
});
$('#loading').addClass('hide');
$('#add_tea_cls').removeClass('hide');
}
})
}); $("#btnCancle").click(function () {
$("#shadow,#add_tea_cls").addClass("hide");
}); $("#btnAdd").click(function () {
var tname=$("#add_name").val();
var class_list=$("#add_classId").val();
console.log(class_list);
$.ajax({
url:"/new_teacher/",
type:"POST",
data:{"tname":tname,"class_list":class_list},
dataType:"JSON",
traditional: true, // 如果提交的数据的值有列表，则需要添加此属性
success:function (arg) { if (arg.status){
location.reload();
}else {
alert(arg.message);
}
}
})
}); {# 编辑#}
$(".editModal").click(function () {
$("#shadow,#loading").removeClass("hide");
var ids=$(this).parent().prevAll()[2];
var id=$(ids).text();
$("#hide_id").val(id);
$.ajax({
url: "/edit_tea_cls/",
type: "POST",
dataType: "JSON",
data:{"id":id},
success: function (arg) { class_list = arg[0];
teacher_info = arg[1];
class_lds = arg[2];
console.log(class_lds);
$("#edit_classId").empty();
$.each(class_list, function (i, row) {
var tag = $("<option>");
tag.text(row.title);
tag.prop("value", row.cid); if(class_lds.indexOf(row.cid) == -1){
$("#edit_classId").append(tag);
}else {
tag.prop("selected","selected");
$("#edit_classId").append(tag);
}
});
$("#edit_name").val(teacher_info["name"]); $('#loading').addClass('hide');
$('#edit_tea_cls').removeClass('hide');
}
}); $("#cacleEdit").click(function () {
$("#shadow,#edit_tea_cls").addClass("hide");
});
}) {# 编辑提交#}
$("#btnEdit").click(function () {
var tid= $("#hide_id").val();
var name = $("#edit_name").val();
var class_ids = $("#edit_classId").val();
$.ajax({
url:"/modal_edit_teacher/",
type:"post",
dataType:"JSON",
traditional:true,
data:{"tid":tid,"name":name,"del_class_id":del_class_id},
$.ajax({
url:"/modal_edit_teacher/",
type:"post",
dataType:"JSON",
traditional:true,
data:{"tid":tid,"name":name,"class_ids":class_ids},
success:function (arg) {
if (arg.status){
location.reload();
}else {
alert("")
}
}
})
})
})
}) </script> </body>
</html>
teacher.html
#显示
def teacher(request): tk = request.COOKIES.get("ticket")
if not tk:
return redirect("/login/") teacher_list=sqlheper.get_list("""
select teacher.tid as tid,teacher.name,class.title from teacher
left join teacher_class on teacher_class.teacher_id=teacher.tid
left join class on class.cid=teacher_class.class_id""",[])
# print(teacher_list)
result = {}
for row in teacher_list:
tid = row["tid"]
if tid in result:
result[tid]["titles"].append(row["title"])
else:
result[tid] = {"tid":row["tid"],"name":row["name"],"titles":[row["title"],]} return render(request, "teacher.html", {"teacher_list":result.values()}) #增加
def get_all_class(request):
import time
time.sleep(1)
obj = sqlheper.SqlHelper()
class_list = obj.get_list('select cid,title from class',[])
obj.close()
return HttpResponse(json.dumps(class_list)) def new_teacher(request): ret = {'status': True, 'message': None}
try:
class_list=request.POST.getlist("class_list")
tname=request.POST.get("tname")
teacher_id=sqlheper.get_IncrementId("insert into teacher(name) values(%s)",[tname,]) data_list = []
for cls_id in class_list:
temp = (teacher_id,cls_id,)
data_list.append(temp) obj = sqlheper.SqlHelper()
obj.multiple_modify('insert into teacher_class(teacher_id,class_id) values(%s,%s)', data_list)
obj.close()
except Exception as e:
ret['status'] = False
ret['message'] = str(e)
return HttpResponse(json.dumps(ret)) #编辑
def edit_tea_cls(request): id = request.POST.get("id")
obj = sqlheper.SqlHelper()
class_list = obj.get_list('select cid,title from class',[]) teacher_info = obj.get_one("select tid,name from teacher where tid=%s",[id,]) class_id = obj.get_list("select class_id from teacher_class where teacher_id=%s",[id,]) data_list = []
for cls_id in class_id:
data_list.append(cls_id["class_id"]) print(teacher_info)
total = []
total.append(class_list)
total.append(teacher_info)
total.append(data_list)
obj.close()
return HttpResponse(json.dumps(total)) def modal_edit_teacher(request):
ret = {'status': True, 'message': None}
try:
name = request.POST.get("name")
tid = request.POST.get("tid")
class_ids = request.POST.getlist("class_ids") obj = sqlheper.SqlHelper()
obj.modify("update teacher set name=%s where tid=%s", [name, tid, ])
obj.modify('delete from teacher_class where teacher_id=%s', [tid, ])
data_list = []
for cls_id in class_ids:
temp = (tid, cls_id)
data_list.append(temp)
obj.multiple_modify('insert into teacher_class(teacher_id,class_id) values(%s,%s)', data_list)
obj.close()
except Exception as e:
ret['status'] = False
ret['message'] = str(e)
return HttpResponse(json.dumps(ret))
views
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