/// <summary>
/// 添加客户请求处理接口
/// </summary>
/// <returns></returns>
public async Task <ReturnResult> AddCustomerAsync(CustomerParamater parameter)
{
ReturnResult result = new ReturnResult();
var customer = Mapper.Map <Customer>(parameter);
//根据openId验证客户是否存在
var oldCustomer = await GetCustomerEntityByOpenIdAsync(customer.Openid);
if (oldCustomer != null)
{
customer.Id = oldCustomer.Id;
context.Customers.Update(oldCustomer);
}
else
{
await context.Customers.AddAsync(customer);
}
await context.SaveChangesAsync();
result.Id = customer.Id;
return(result);
}
/// <summary>
/// OAuthScope.snsapi_userinfo方式回调
/// </summary>
/// <param name="code"></param>
/// <param name="state"></param>
/// <param name="returnUrl">用户最初尝试进入的页面</param>
/// <returns></returns>
public async Task <ActionResult> UserInfoCallbackAsync(string code, string state, string returnUrl)
{
if (string.IsNullOrEmpty(code))
{
return(Content("您拒绝了授权！"));
}
var cookisState = "";
if (!HttpContext.Request.Cookies.TryGetValue("state", out cookisState) || state != cookisState)
{
//这里的state其实是会暴露给客户端的，验证能力很弱，这里只是演示一下，
//建议用完之后就清空，将其一次性使用
//实际上可以存任何想传递的数据，比如用户ID，并且需要结合例如下面的Session["OAuthAccessToken"]进行验证
return(Content("验证失败！请从正规途径进入！"));
}
OAuthAccessTokenResult result = null;
//通过，用code换取access_token
try
{
result = OAuthApi.GetAccessToken(WeixinConfig.AppId, WeixinConfig.AppSecret, code);
}
catch (Exception ex)
{
return(Content(ex.Message));
}
if (result.errcode != ReturnCode.请求成功)
{
return(Content("错误：" + result.errmsg));
}
//下面2个数据也可以自己封装成一个类，储存在数据库中（建议结合缓存）
//如果可以确保安全，可以将access_token存入用户的cookie中，每一个人的access_token是不一样的
//Session["OAuthAccessTokenStartTime"] = DateTime.Now;
//Session["OAuthAccessToken"] = result;
//因为第一步选择的是OAuthScope.snsapi_userinfo，这里可以进一步获取用户详细信息
try
{
OAuthUserInfo wxUserInfo = OAuthApi.GetUserInfo(result.access_token, result.openid);
//验证通过注册用户信息
CustomerParamater customer = new CustomerParamater
{
Nick = wxUserInfo.nickname,
Openid = wxUserInfo.openid,
Unionid = wxUserInfo.unionid,
Sex = (ESexType)wxUserInfo.sex,
Country = wxUserInfo.country,
Province = wxUserInfo.province,
City = wxUserInfo.city,
Icon = wxUserInfo.headimgurl,
CreateTime = DateTime.Now
};
var returnResult = await customerManager.AddCustomerAsync(customer);
HttpContext.Response.Cookies.Append(ConstKeys.WechatSessionKey, CommonUtil.SerializeObject(customer));
//跳转连接
return(Redirect(string.IsNullOrEmpty(returnUrl) ? WeixinConfig.WeixinHomeUrl : returnUrl));
}
catch (ErrorJsonResultException ex)
{
return(Content(ex.Message));
}
}
