Identity入门四（修改、删除用户）

using System.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace Shop.ViewModel
{
    public class UpdateUserViewModel
    {
        [EmailAddress(ErrorMessage = "邮箱格式不正确")]
        [DisplayName("邮箱")]
        public string Email { get; set; }

        [DisplayName("手机号")]
        [MinLength(11, ErrorMessage = "手机位数不足11位"), StringLength(11)]
        public string PhoneNumber { get; set; }

        [Required(ErrorMessage = "密码不能为空")]
        [DataType(DataType.Password)]
        [DisplayName("密码")]
        public string PasswordHash { get; set; }
    }
}

[HttpPost]
public async Task<IActionResult> EditUser(string id, UpdateUserViewModel input)
{
　　//查询是否存在用户
    var user = await _userManager.FindByIdAsync(id);
    if (user != null)
    {
        user.Email = input.Email;
        user.PhoneNumber = input.PhoneNumber;
        //密码为空则不修改密码
        if (input.PasswordHash != null)
        {
            user.PasswordHash = _userManager.PasswordHasher.HashPassword(user, input.PasswordHash);
        }
        //更新用户
        var result = await _userManager.UpdateAsync(user);
        if (result.Succeeded)
        {
            return RedirectToAction("Index");
        }
    }
    return View(input);
}

public async Task<bool> Delete(string id)
{
    var user = await _userManager.FindByIdAsync(id);
    if (user != null)
    {
        var result = await _userManager.DeleteAsync(user);
        if (result.Succeeded)
        {
            return true;
        }
    }
    return false;
}