• 再次学习Django,实现sql的页面显示及条件查询


    # -*- coding: utf-8 -*-
     
    from django.http import HttpResponse
    from django.shortcuts import render_to_response
    from django.db import connection
    from django.shortcuts import render
    from django.views.decorators import csrf
    cursor = connection.cursor()
    # 表单
    def pagesprofile_form(request):
        return render_to_response('pages-profile.html')
     
    # 接收请求数据
    def pagesprofile(request):
        request.encoding = 'utf-8'
        if 'q' in request.GET:
            message = '你搜索的内容为: ' + request.GET['q']
            cursor.execute('select * from testdj_test')
            sql = cursor.fetchall()  # 读取所有
        else:
            message = '你提交了空表单'
        return HttpResponse(sql)
    
    def dictfetchall(cursor):
        "将游标返回的结果保存到一个字典对象中"
        desc = cursor.description
        return [
        dict(zip([col[0] for col in desc], row))
        for row in cursor.fetchall()
        ]
    
    def ReturnInfo(cursor):
        SqlDomain  = cursor.description
        DomainNum = len(SqlDomain)
        SqlDomainName = [None] * DomainNum
        for i in range(DomainNum):
            SqlDomainName[i] = SqlDomain [i][0]
        return SqlDomainName
    
    # 接收POST请求数据
    def search_post(request):
        global ctx_2
        cursor.execute('select * from testdj_test')
        #ctx = {}
        ctx_2 = dictfetchall(cursor)
        ctx = ReturnInfo(cursor)
        return render(request, "post.html", {'results': ctx, 'results_2': ctx_2})


    html
    <table class="table">
            <thead>
            <tr>
                {% for title in results%}
                    <td>{{title}}</td>
                {% endfor%}
            </tr>
            </thead>
             <tbody>
              {% for item in results_2 %}
                    <tr>
                    {% for context in item.values %}
                    <td>{{context}}</td>
                        {%endfor%}
                  </tr>
             </tbody>
        {%endfor%}


    实现分页的实例:https://www.jianshu.com/p/332406309476



    Sql = "select * from %s where %s=%s" % (self.table, akey, avalue)
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  • 原文地址:https://www.cnblogs.com/tangbinghaochi/p/10755608.html
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