基于uniapp的学生(选课)成绩小程序

小程序端：
学生登录注册、查看个人信息、修改个人信息、
选课退课
学生可以查看学期课表
老师登录注册、查看个人信息、修改个人信息、查看学期课表
老师可以对选课学生进行打分
管理端：
用户管理：用户信息的维护
课程管理：添加课程信息（学期，学分，地点，课程名，任课教师）
咨询列表：可查看学生的提问，并给出回复
管理员管理：维护管理员信息

 @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();
        if(session.getAttribute("ad") != null){
            return true;
        }
        // 不符合条件的给出提示信息，并转发到主页面
        request.setAttribute("msg", "您还没有登录，请先登录！");
        request.getRequestDispatcher("/gologin.jsp").forward(request, response);
        //返回true通过，返回false拦截
        return false;
    }

/**
   * 登录
   * 将提交数据(username,password)写入Admin对象
   */
  @RequestMapping(value = "/login")
  public String login(Admin admin, Model model, HttpSession session, HttpServletRequest request) {
    if(admin.getUsername()==null || admin.getUsername().length()<=0 ){
      model.addAttribute("msg", "请输入手机号！");
      return "login";
    }
    if(admin.getPassword()==null || admin.getPassword().length()<1){
      model.addAttribute("msg", "请输入密码！");
      return "login";
    }
    Map mp = new HashMap();
    mp.put("username",admin.getUsername());
    mp.put("password",admin.getPassword());
    List<Admin> ad = adminService.queryFilter(mp);
    if(ad!=null && ad.size()==1){
      session.setAttribute("ad", ad.get(0));
      session.setAttribute("type", "01");
      return "homepage";
    }else{
      model.addAttribute("msg", "请确定账户信息是否正确！");
      return "login";
    }
  }
  /**
   * 退出登录
   */
  @RequestMapping(value = "/loginOut")
  public String loginOut(HttpSession session) {
    session.invalidate();
    return "login";
  }
  /**
   * 查询个人信息
   */
  @RequestMapping(value = "/info")
  public String info(HttpServletRequest request) {
    return "queryInfo";
  }
  /**
   * 进入修改
   */
  @RequestMapping(value = "/updateInfo")
  public String updateInfo(HttpServletRequest request) {
    return "updateInfo";
  }
  /**
   * 修改信息
   */
  @RequestMapping( value = "/updateInfoAdmin", method = RequestMethod.POST)
  @ResponseBody
  public String updateInfoAdmin(Admin admin, Model model, HttpServletRequest request, HttpSession session1) {
    HttpSession session = request.getSession();
    if(session.getAttribute("ad") == null){
      session.setAttribute("msg", "对不起，请登录！");
      return "202";
    }
    if(admin.getPassword().length()<1){
      return "204";
    }
    Admin admin1 = (Admin) session.getAttribute("ad");
    if(!admin1.getPassword().equals(admin.getPassword())){
      return "201";
    }
    if(!"".equals(admin.getPasswords())){
      admin.setPassword(admin.getPasswords());
    }
    adminService.updateAdmin(admin);
    return "200";
  }

<template>
  <view class="list" v-if="list.length > 0">
    <view @click="goDetail(item.id)" class="item" v-for="(item, index) in list" :key="index" hover-class="none">
      <view class="info">
        <view class="text">
          <view class="title">课程名称:{{item.name}}</view>
          <view class="other">
            <view class="left">
              <view class="time">学期:{{item.term}}</view>
            </view>
            <view class="right">
              <view class="time">任课老师:{{item.tname}}</view>
            </view>
          </view>
        </view>
      </view>
      <view class="line"></view>
    </view>
  </view>
</template>
<script>
export default {
  name: 'courseList',
  props: {
    list: {
      type: Array,
      default: function(e) {
        return [];
      }
    }
  },
  data() {
    return {
    }
  },
  methods:{
    goDetail(id){
      uni.navigateTo({
        url: '/pages/index/detail?id='+id
      })
    }
  }
}
</script>
<style scoped lang="scss">
/*列表*/
.list {
  margin-top: 2rpx;
  .item {
    padding: 40rpx 24rpx 0 24rpx;
    .info {
      display: flex;
      flex-direction: row;
      justify-content: space-between;
      padding-bottom: 4rpx;
      .text {
        flex-grow: 1;
        flex-shrink: 1;
        display: flex;
        flex-direction: column;
        margin-right: 40rpx;
        .title {
          flex-grow: 1;
          flex-shrink: 1;
          font-size: 34rpx;
          line-height: 1.5;
          display: -webkit-box;
          text-overflow: ellipsis;
          word-break: break-all;
          -webkit-line-clamp: 2;
          -webkit-box-orient: vertical;
          overflow: hidden;
          height: 72rpx;
          margin-bottom: 8rpx;
        }
        .other {
          flex-grow: 1;
          flex-shrink: 1;
          display: flex;
          align-items: center;
          font-size: 28rpx;
          color: #999;
          line-height: normal;
          .left {
            display: flex;
            flex-grow: 1;
            flex-shrink: 1;
            .source {
              display: -webkit-box;
              text-overflow: ellipsis;
              word-break: break-all;
              -webkit-line-clamp: 1;
              -webkit-box-orient: vertical;
              overflow: hidden;
              width: 140rpx;
              margin-right: 16rpx;
            }
          }
          .right {
            display: flex;
            flex-direction: row;
            justify-content: center;
            align-items: center;
            flex-grow: 0;
            flex-shrink: 0;
            margin-right: 5rpx;
            image {
              flex-grow: 1;
              flex-shrink: 1;
              width: 28rpx;
              height: 28rpx;
              margin-right: 12rpx;
            }
            text {
              flex-grow: 1;
              flex-shrink: 1;
              margin-top: -6rpx;
            }
          }
        }
      }
      .photo {
        image {
          height: 170rpx;
          width: 222rpx;
          border-radius: 10rpx;
        }
      }
    }
    .line {
      display: bock;
      width: 100%;
      height: 1rpx;
      margin-top: 22rpx;
      background: #e8e8e8;
    }
    &:last-child {
      .line {
        //display: none;
      }
      //padding-bottom: 30rpx;
    }
  }
}
</style>