两天的成果---node，express，mongodb，以及mongoose 对github搭建自己博客的项目进行分析

# git clone https://github.com/linguowei/myblog.git
# cd myblog
# npm install
# npm run build
# cd admin
# npm run build
#. cd ../
# node app.js
# localhost:7000
# localhost:7000/admin

var mongoose = require(‘mongoose‘)
mongoose.Promise = require(‘bluebird‘)

// mongoose.connect(‘mongodb://wei1:0987654321@ds161018.mlab.com:61018/weiwei‘)
mongoose.connect(‘mongodb://localhost:27017/weiweiblog‘)

var userSchema = new mongoose.Schema({
    name: String,
    pwd: String,
})

var articleSchema = new mongoose.Schema({
    title: String,
    date: Date,
    articleContent: String,
    state: String,
    label: String,
})

var tagSchema = new mongoose.Schema({
    tagName: String,
    tagNumber: Number,
})

var personalInformationSchema = new mongoose.Schema({
    name: String,
    individualitySignature: String,
    introduce: String,
})

var Models = {
    User: mongoose.model(‘User‘, userSchema),
    Article: mongoose.model(‘Article‘, articleSchema),
    TagList: mongoose.model(‘TagList‘, tagSchema),
    PersonalInformation: mongoose.model(‘PersonalInformation‘, personalInformationSchema),
}

module.exports = Models

cd / usr/local/mongodb/bin

sudo ./mongo

// 文章标签保存路由
router.post(‘/api/saveArticleLabel‘, function(req, res){
    db.TagList.find({}, function(err, docs){
        if(err)return;
        var isExist = false;
        //对数据进行遍历；
        docs.forEach(function(item){
            if(item.tagName == req.body.tagList.tagName){
                isExist = true;
            }
        })
       //存在的话不进行处理，并返回错误
        if (isExist){
            res.json({error: true, msg: ‘标签已存在‘})
        }else{
            //存到数据库
            new db.TagList(req.body.tagList).save(function(error){
                if (error) {
                    res.send(‘保存失败‘);
                    return
                }
                res.send()
            })

            res.json({success: true, msg: ‘保存成功‘})

} }) });