【问题标题】:Handlebars Each Outputting More than Records车把每个输出超过记录
【发布时间】:2016-08-23 20:05:15
【问题描述】:

我的句柄存在问题,其中输出的 HTML 标记的数量远大于我的 SQL 查询中显示的记录数量。我在测试中所能确定的是,我的 SQL 查询似乎没有问题,因为它显示了数据库中记录的确切计数并且没有散开数据。这让我认为这可能与我的循环或对象存储 SQL 查询信息有关。

这是显示的 HTML:

这里是 HTML:

{{#each currentUsers}}
                <li>{{this.email}} ({{#with this.teams.[0]}}{{teamName}}{{else}}No Team{{/with}})|<a href="/app/settings/users/{{this.userId}}/team">Edit Team</a> {{#ifeq this.userId ../user.userId}} (Admin) {{else}}| <a href="/app/users/{{this.userId}}" id="user-delete-link">Delete</a>{{/ifeq}}</li>
            {{else}}
                <p>No additional users</p>
{{/each}}

这是我的路线:

appRoutes.route('/settings/users')

    .get(function(req, res){
        models.User.find({
                where: {
                    organizationId: organization.organizationId
                }, attributes: ['userId', 'email', 'firstName', 'lastName'],
                include: [{ 
                    model: models.Team,
                    attributes: ['teamName']
                }]
            });
        }).then(function(currentUsers){
            res.render('pages/app/settings-users.hbs',{
                user: req.user,
                currentUsers: currentUsers
            });
        }).catch(function(error){
            res.send(error);
            console.log(error);
        })
    });

这是 SQL 的输出,它显示了我所期望的一条记录:

最后是实际的 SQL:

SELECT `user`.*, `teams`.`team_id` AS `teams.teamId`, `teams`.`team_name` AS `teams.teamName`, `teams.member`.`member_id` AS `teams.member.memberId`, `teams.member`.`member_email` AS `teams.member.memberEmail`, `teams.member`.`organization_id` AS `teams.member.organizationId`, `teams.member`.`team_id` AS `teams.member.teamId`, `teams.member`.`user_id` AS `teams.member.userId`, `teams.member`.`created_at` AS `teams.member.created_at`, `teams.member`.`updated_at` AS `teams.member.updated_at`, `teams.member`.`organization_id` AS `teams.member.organization_id`, `teams.member`.`team_id` AS `teams.member.team_id`, `teams.member`.`user_id` AS `teams.member.user_id` FROM (SELECT `user`.`user_id` AS `userId`, `user`.`email`, `user`.`first_name` AS `firstName`, `user`.`last_name` AS `lastName` FROM `user` AS `user` WHERE `user`.`organization_id` = 2 LIMIT 1) AS `user` LEFT OUTER JOIN (`member` AS `teams.member` INNER JOIN `team` AS `teams` ON `teams`.`team_id` = `teams.member`.`team_id`) ON `user`.`userId` = `teams.member`.`user_id`;

【问题讨论】:

  • 尝试使用Model.findAll(),如果有任何数据,它总是返回对象数组。 .find()如果有一个记录则返回对象,如果有更多则返回数组
  • 非常感谢@TilekbekovYrysbek,这是我正在寻找的确切答案。您介意将其粘贴为答案,我会批准并投票吗?非常有用且简单的解决方法!

标签: node.js express handlebars.js sequelize.js


【解决方案1】:

尝试使用Model.findAll(),如果有任何数据,它总是返回对象数组。 .find()如果有一条记录则返回对象,如果有更多则返回数组

【讨论】:

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