public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
string result = "";//定义响应结果全局变量
//接收客户端所指定的调用参数
string param = context.Request["param"];
//如果参数为check_user,表示查询该手机号码今日是否可以抽奖
if (param == "check_user")
{
//设置默认值为false，表示今日不能继续参加抽奖活动
result = "false";
//获取手机号码
string phone = context.Request.Form["phone"];
//判断手机号码是否为空
if (phone != "")
{
//实例化数据库上下文类
using (activityDataContext DataContext = new activityDataContext())
{
//查询activity_record表，通过指定的手机号码以及当前系统日期进行查询
if (!DataContext.activity_record.Where(W => W.phone == phone && W.add_date.Value.Date.ToString() == DateTime.Now.Date.ToString("yyyy-MM-dd")).Any())
{
//如果数据不存在，表示该手机号码可以参加抽奖活动
result = "true";
}
}
}
}
//如果参数为get_prize,表示获取抽奖数据信息
else if (param == "get_prize")
{
//定义抽奖数据集合
IList <Prize> prize = new List <Prize>();
//向集合添加抽奖数据
prize.Add(new Prize()
{
id = 1, prize_name = "奶茶下午茶", percente = 60
});
prize.Add(new Prize()
{
id = 2, prize_name = "恭喜老板陈超,充值20", percente = 10
});
prize.Add(new Prize()
{
id = 3, prize_name = "恭喜老板杨阳,充值20", percente = 10
});
prize.Add(new Prize()
{
id = 4, prize_name = "恭喜老板杭宇,充值20", percente = 1
});
prize.Add(new Prize()
{
id = 5, prize_name = "恭喜老板朱云,充值20", percente = 30
});
prize.Add(new Prize()
{
id = 6, prize_name = "恭喜穆姐姐,充值20", percente = 1
});
prize.Add(new Prize()
{
id = 7, prize_name = "Java程序设计慕课版", percente = 1
});
prize.Add(new Prize()
{
id = 8, prize_name = "奶茶下午茶", percente = 1
});
prize.Add(new Prize()
{
id = 9, prize_name = "C++奶茶下午茶", percente = 1
});
prize.Add(new Prize()
{
id = 10, prize_name = "奶茶下午茶", percente = 40
});
prize.Add(new Prize()
{
id = 11, prize_name = "奶茶下午茶", percente = 1
});
prize.Add(new Prize()
{
id = 12, prize_name = "ASP.奶茶下午茶", percente = 70
});
//根据概率值，随机指定一个中奖数据
Prize SelectedPrize = RandomSelect(prize);
//将中奖信息返回给客户端
result = "{\"prize_name\":\"" + SelectedPrize.prize_name + "\",\"prize_site\":\"" + (SelectedPrize.id - 1) + "\",\"prize_id\":\"" + SelectedPrize.id + "\"}";
}
//如果参数为NoPrize,表示用户未中奖，则将电话号码保存到数据库
else if (param == "NoPrize")
{
//获取手机号码
string phone = context.Request.Form["phone"];
//判断手机号码是否为空
if (phone != "")
{
//实例化数据库上下文类
using (activityDataContext DataContext = new activityDataContext())
{
//构造activity_record类并赋值，只保存手机号码以及当前系统日期，其他数据设置为默认值
activity_record add = new activity_record();
add.phone = phone;
add.prize_id = 0;
add.prize_name = "";
add.username = "";
add.address = "";
add.add_date = DateTime.Now;
//将数据实体添加到数据库插入状态中
DataContext.activity_record.InsertOnSubmit(add);
//提交更改
DataContext.SubmitChanges();
}
}
}
//如果参数为saveInfo,表示用户已中奖
else if (param == "saveInfo")
{
//设置默认值为0，表示保存失败
result = "0";
string prize_id = context.Request.Form["prize_id"]; //获取中奖id
string prize_name = context.Request.Form["prize_name"]; //获取中奖奖品
string username = context.Request.Form["username"]; //获取用户名
string phone = context.Request.Form["phone"]; //获取手机号
string address = context.Request.Form["address"]; //获取地址
//判断手机号码是否为空
if (phone != "")
{
//实例化数据库上下文类
using (activityDataContext DataContext = new activityDataContext())
{
//构造activity_record类并赋值全部属性
activity_record add = new activity_record();
add.phone = phone;
add.prize_id = Convert.ToInt32(prize_id);
add.prize_name = prize_name;
add.username = username;
add.address = address;
add.add_date = DateTime.Now;
//将数据实体添加到数据库插入状态中
DataContext.activity_record.InsertOnSubmit(add);
//提交更改
DataContext.SubmitChanges();
//设置返回值为1，表示保存成功
result = "1";
}
}
}
//将数据结果响应给客户端
context.Response.Write(result);
}
partial void Updateactivity_record(activity_record instance);
partial void Deleteactivity_record(activity_record instance);
partial void Insertactivity_record(activity_record instance);
