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  • 员工信息表 信息检索(模糊查询)

    import sys
    def get_register():
    li_info=[]
    with open('register',encoding='utf-8',mode="r") as f:
    for i in f:
    li_personal = {}
    li_personal["id"]=i.strip().split(',')[0]
    li_personal["name"] = i.strip().split(',')[1]
    li_personal["age"] = i.strip().split(',')[2]
    li_personal["phone"] = i.strip().split(',')[3]
    li_personal["job"] = i.strip().split(',')[4]
    li_info.append(li_personal)
    del li_info[0]
    return li_info
    li_info=get_register()
    print(li_info)
    s=input('输入查询字段').strip()
    key_in=s.split(' ')

    select_content_li=[]
    judge_content_li=[]
    stop=key_in.index('where')
    for i in range(1,stop):
    select_content_li.append(key_in[i])
    for i in range(stop+1,len(key_in)):
    judge_content_li.append(key_in[i])
    print(select_content_li)
    print(judge_content_li)
    judge=judge_content_li[0]
    symbol=judge_content_li[1]
    requirement=judge_content_li[2]
    def aim():
    if symbol=='>':
    goal_list= filter(lambda X:X[judge_content_li[0]]>requirement,li_info)
    return list(goal_list)
    elif symbol=='<':
    goal_list = filter(lambda X: X[judge_content_li[0]] < requirement, li_info)
    return list(goal_list)
    elif symbol=='=':
    goal_list = filter(lambda X: X[judge_content_li[0]] == requirement, li_info)
    return list(goal_list)
    elif symbol=='like':
    goal_list1=[]
    for i in li_info:
    if requirement in i[judge]:
    goal_list1.append(i)
    return goal_list1
    ret=aim()
    if ret==[]:
    print("无匹配结果")
    else:
    for i in select_content_li:
    print(ret[0][i])
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  • 原文地址:https://www.cnblogs.com/diracy/p/13402509.html
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