keshihua96
/
login.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>登录</title>
    <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
    <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
    <link rel="stylesheet" href="./css/common.css" />
    <link rel="stylesheet" href="./css/login.css" />
  </head>
  <body class="application application-offset">
    <div class="container-fluid container-application">
      <div class="main-content position-relative">
        <!-- Page content -->
        <div class="page-content">
          <div class="min-vh-100 py-5 d-flex align-items-center">
            <div class="w-100">
              <div class="row justify-content-center">
                <div class="col-sm-8 col-lg-4">
                  <div class="card shadow zindex-100 mb-0">
                    <div class="card-body px-md-5 py-5">
                      <div class="mb-5">
                        <h6 class="h3">传智教育-登录</h6>
                      </div>
                      <span class="clearfix"></span>
                      <form role="form" autocomplete="off">
                        <div class="form-group">
                          <label class="form-control-label">账号</label>
                          <div class="input-group input-group-merge">
                            <div class="input-group-prepend">
                              <span class="input-group-text"
                                ><i class="bi bi-person"></i
                              ></span>
                            </div>
                            <input
                              name="username"
                              type="text"
                              class="form-control"
                              id="input-email"
                              placeholder="请输入账号"
                            />
                          </div>
                        </div>
                        <div class="form-group mb-4">
                          <div
                            class="d-flex align-items-center justify-content-between"
                          >
                            <div>
                              <label class="form-control-label">密码</label>
                            </div>
                            <div class="mb-2">
                              <a
                                href="javascript:;"
                                class="small text-muted text-underline--dashed border-primary"
                                >忘记密码</a
                              >
                            </div>
                          </div>
                          <div class="input-group input-group-merge">
                            <div class="input-group-prepend">
                              <span class="input-group-text"
                                ><i class="bi bi-key"></i
                              ></span>
                            </div>
                            <input
                              name="password"
                              type="password"
                              class="form-control"
                              id="input-password"
                              placeholder="请输入密码"
                            />
                            <div class="input-group-append">
                              <span class="input-group-text">
                                <a
                                  href="javascript:;"
                                  data-toggle="password-text"
                                  data-target="#input-password"
                                >
                                  <i class="bi bi-eye-fill text-blue"></i>
                                </a>
                              </span>
                            </div>
                          </div>
                        </div>
                        <div class="mt-4">
                          <button
                            id="btn-login"
                            type="button"
                            class="btn btn-sm btn-info btn-icon btn-blue rounded-pill"
                          >
                            <span class="btn-inner--text">登录</span>
                            <span class="btn-inner--icon"
                              ><i class="bi bi-arrow-right"></i
                            ></span>
                          </button>
                        </div>
                      </form>
                    </div>
                    <div class="card-footer px-md-5">
                      <small>没有注册？</small>
                      <a
                        href="./register.html"
                        class="small font-weight-bold text-blue"
                        >创建账号</a
                      >
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
    <!-- toast -->
    <div
      class="position-fixed top-0 start-50 pt-4"
      style="z-index: 999; transform: translateX(-50%)"
    >
      <div id="myToast" class="toast bg-rgba">
        <div class="toast-body">提示消息</div>
      </div>
    </div>
    <script src="./bootstrap/bootstrap.min.js"></script>
    <script src="./lib/form-serialize.js"></script>
    <script src="./lib/axios.js"></script>
    <script src="./js/common.js"></script>
    <script>

      document
        .querySelector('#btn-login')
        .addEventListener('click', async function () {
          // 1. 拿到页面所有内容
          const data = serialize(document.querySelector('form'), { hash: true })
          // 2. 非空判断 -- 如果data没有username就代表没有输入账号
          // 如果data没有password就代表没有输入密码
          if (!data.username) return tip('请输入账号')
          if (!data.password) return tip('请输入密码')

          // 3. 合法性判断
          if (data.username.length < 2 || data.username.length > 30) {
            return tip('账号只能在2-30位之间')
          }
          if (data.password.length < 6 || data.password.length > 30) {
            return tip('密码只能在6-30位之间')
          }

          // 4. 发请求做登录
          try {
            const res = await axios({
              url: '/login',
              method: 'post',
              data
            })

            // console.log(res)

            // 保存token和用户名到本地
            localStorage.setItem('keshihua96', res.data.token)
            localStorage.setItem('username', res.data.username)
            tip('登录成功')
            // 跳转
            location.href = './index.html'
          } catch (err) {
            // 提示出服务器返回的错误
            tip(err.response.data.message)
          }
        })
    </script>
  </body>
</html>