Javascript 如何在mongoose中更新子文档?
我的模式如下所示:Javascript 如何在mongoose中更新子文档?,javascript,node.js,mongodb,mongoose,mongodb-query,Javascript,Node.js,Mongodb,Mongoose,Mongodb Query,我的模式如下所示: { "blogTitle":"Book" "blogContent":"demo" "blogrelatedLink":{ "relatedBloogId:"123", "relatedBlogTitle":"abc"` } } 我的代码是: const updateBlogs =
{
"blogTitle":"Book"
"blogContent":"demo"
"blogrelatedLink":{
"relatedBloogId:"123",
"relatedBlogTitle":"abc"`
}
}
我的代码是:
const updateBlogs = async (req, res) => {
const { blogId } = req.params;
const re = /<("[^"]?"|'[^']?'|[^'">])*>/;
if (re.test(req.params.blogTitle)) {
sendError(400, "Unsuccessful", "Blog Title cannot be HTML", req, res);
} else {
try {
let update = {};
if (req.body.blogTitle) update.blogTitle = req.body.blogTitle;
if (req.body.blogContent) update.blogContent = req.body.blogContent;
let blog = await Blog.updateOne(
{ blogId },
{
$set: update,
},
{ runValidators: true }
);
sendResponse(200, "Successfull", blog, req, res);
} catch (err) {
sendError(400, "Blog can't be updated by given id", err, req, res);
}
}
};
const updateBlogs=async(req,res)=>{
const{blogId}=req.params;
常数re=/])*>/;
if(重新测试(要求参数标题)){
sendError(400,“不成功”,“博客标题不能是HTML”,req,res);
}否则{
试一试{
让update={};
如果(req.body.blogtile)update.blogtile=req.body.blogtile;
if(req.body.blogContent)update.blogContent=req.body.blogContent;
让blog=wait blog.updateOne(
{blogId},
{
$set:更新,
},
{runValidators:true}
);
sendResponse(200,“成功”,博客,请求,回复);
}捕捉(错误){
sendError(400,“博客无法通过给定id更新”,err,req,res);
}
}
};
更新子文档的代码是什么更新键应为以下格式:只需将其放在更新查询之前
if (req.body.blogrelatedLink) {
for (let key in req.body.blogrelatedLink) {
update['blogrelatedLink.' + key] = req.body.blogrelatedLink[key];
}
}
我试过了,但它仍然没有在我的mongoDB中更新,但谢谢@turivishal其他字段正在更新吗?blogId是mongo id吗?然后将其转换为对象类型
mongoose.Types.ObjectId(blogId)
blogId是我提供的,或者您可以将其作为自定义id,即使您可以在mongo中更改它,当我打开它的显示方式时,也可以这样(向下键)↓ blogRelatedLinks:数组(向下键)↓ 0:Object _id:objectid(1233454),relatedBlogId:12323454,relatedBlogTitle:“demo”我不确定你的代码中是否缺少一些内容,我刚刚在我的答案中添加了PlayGround工作链接,你只需控制台和调试你的代码。好的,我会检查,但谢谢@turivishal