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index.js
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index.js
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const http = require('http');
const fs = require('fs');
const path = require('path');
const url = require('url');
const routerMime = require('./router_mime.js');
const querystring = require('querystring');
const hostname = '127.0.0.1';
const port= 9999;
const mainUrl = 'static/index.html';
const server = http.createServer((req,res)=>{
let theUrl = url.parse(req.url);
// console.log('theUrl',theUrl);
let filePath = path.join(__dirname,'/static/',theUrl.path);
filePath = filePath.split('?')[0];
if(theUrl.query==null || theUrl.path.indexOf('/api')<0){
//无参数,返回html页面
if (theUrl.path =='/'){
filePath = path.join(__dirname,'static/index.html');
}
// console.log('filePath',filePath);
let filelas = '.'+filePath.match(/\.(\w+)$/)[1];
// console.log('filelas',filelas);
if (routerMime[filelas]) {
// console.log('routerMime',routerMime[filelas]);
res.writeHead(200, {
"Content-Type": routerMime[filelas]
});
var stream = fs.createReadStream(filePath);
stream.pipe(res);
stream.on('end',function(){
res.end();
});
}
}
else
{
//有参数,处理ajax请求
let getReq = querystring.parse(theUrl.query);
console.log('getReq',getReq);
let json = {};
//判断是什么接口
let MongoClient = require('mongodb').MongoClient;
var ObjectID = require('mongodb').ObjectID
let dbUrl = 'mongodb://127.0.0.1:27017/blog';
MongoClient.connect(dbUrl,(err,db)=>{
if(err){
console.log('err',err);
return false;
}
//查看访客数接口
if (req.url.indexOf('getvisit')>=0) {
if(getReq['main']){
//查看主页的访客数据
let cAppInfo = db.collection('app_info');
cAppInfo.find({}).toArray((err,data)=>{
// console.log('res-end',data);
// console.log('callback-data',data);
let json = JSON.stringify(data[0]);
// console.log('json',json);
res.writeHead(200, {});
res.end(json);
db.close();
});
}
}
//设置访客数接口
else if (req.url.indexOf('setvisit')>=0) {
if(getReq['main']){
//查看主页的访客数据
let cAppInfo = db.collection('app_info');
cAppInfo.find({}).toArray((err,data)=>{
// console.log('res-end',data);
// let json = JSON.stringify(data[0]);
let json = data[0];
// console.log('json',json);
var num =json.visitnum;
// num++;
// console.log('num', num);
var newnum = parseInt(num)+1;
// console.log('newnum',newnum);
// cAppInfo.updateOne({a:1}, {$set:{b:2}});
cAppInfo.update({visitnum:num},{$set:{visitnum:newnum}},(err,_res)=>{
// console.log('update',_res);
if (err) {
console.log("Error:" + err);
res.writeHead(300, {});
res.end('err');
}else{
res.writeHead(200, {});
res.end('ok');
}
db.close();
});
});
}
}
//获取文章详情接口/增加阅读数
else if (req.url.indexOf('blogdetail')>=0){
var sBlogid = getReq['blogid'];
if(sBlogid){
//传了blogid这个字段
let cBlogTb = db.collection('blog_tb');
// console.log('cBlogTb',cBlogTb);
findOneData(cBlogTb,{_id:ObjectID(sBlogid)},(data)=>{
// console.log('findOneData',data);
//更新阅读数，增加1
let nReadnum = parseInt(data.readnum)+1;
cBlogTb.update({_id:ObjectID(sBlogid)},{$set:{readnum:nReadnum}},(err,_res)=>{
console.log('nReadnum',nReadnum);
});
//返回详情给前端
let json = JSON.stringify(data);
// console.log('findOneJson',json);
res.writeHead(200, {});
res.end(json);
db.close();
});
function findOneData(collection,qurery,callback){
collection.findOne(qurery,(err,r)=>{
if (typeof callback =='function') {
callback(r);
}
});
}
}else{
//404 没有这篇文章
}
}
//获取文章列表接口
else if (req.url.indexOf('bloglist')>=0){
if(getReq['page']){
//判断是否存在分类id
let nTypeid = -1;
if(getReq['typeid']){
nTypeid = getReq['typeid'];
}
// console.log('nTypeid',nTypeid);
let jQuery = {};
if (nTypeid!=-1) {
jQuery["typeid"]=parseInt(nTypeid);
// jQuery = {typeid:nTypeid};这个做法是错误的
}
// console.log('jQuery',jQuery);
let nPage = parseInt(getReq['page']);
let nRows = parseInt(getReq['rows']);
// console.log('nRows',nRows);
let nSkip = (nPage-1)*nRows;
// console.log('nSkip',nSkip);
//传了blogid这个字段
let cBlogTb = db.collection('blog_tb');
cBlogTb.find(jQuery).skip(nSkip).limit(nRows).toArray((err,data)=>{
// console.log('findData',data);
let json = JSON.stringify(data);
//计算总共有多少条数据，返回页码给total
cBlogTb.count(jQuery,(err,count)=>{
let total = Math.ceil(count/10);
json = `{"total":${total},"data":${json}}`;
// console.log('findJson',json);
res.writeHead(200, {});
res.end(json);
db.close();
});
});
// function findData(collection,query,limit,callback){
// collection.find(query,limit).toArray((err,r)=>{
// if (typeof callback =='function') {
// callback(r);
// }
// });
// }
}else{
//404 没有这篇文章
}
}
//添加留言内容接口
else if (req.url.indexOf('setmsg')>=0) {
if(getReq['content']){
let jData = {};
jData['userid'] = getReq['userid'];
jData['name'] = getReq['name'];
jData['contact'] = getReq['contact'];
jData['content'] = getReq['content'];
jData['createtime'] = new Date();
jData['colnum'] = 0;
let cMessage = db.collection('message_tb');
cMessage.insertOne(jData,(err,_res)=>{
// console.log('insertOne',_res);
if (err) {
console.log("Error:" + err);
res.writeHead(300, {});
res.end('err');
}else{
console.log("cMessage:" ,'ok');
res.writeHead(200, {});
res.end('ok');
}
db.close();
});
}
}
//获取留言板列表接口
else if (req.url.indexOf('msglist')>=0){
if(getReq['page']){
// console.log('jQuery',jQuery);
let nPage = parseInt(getReq['page']);
let nRows = parseInt(getReq['rows']);
// console.log('nRows',nRows);
let nSkip = (nPage-1)*nRows;
// console.log('nSkip',nSkip);
//传了blogid这个字段
let cBlogTb = db.collection('message_tb');
cBlogTb.find({}).skip(nSkip).limit(nRows).toArray((err,data)=>{
// console.log('findData',data);
let json = JSON.stringify(data);
//计算总共有多少条数据，返回页码给total
cBlogTb.count({},(err,count)=>{
let total = Math.ceil(count/10);
json = `{"total":${total},"data":${json}}`;
// console.log('findJson',json);
res.writeHead(200, {});
res.end(json);
db.close();
});
});
// function findData(collection,query,limit,callback){
// collection.find(query,limit).toArray((err,r)=>{
// if (typeof callback =='function') {
// callback(r);
// }
// });
// }
}else{
//404 没有这篇文章
}
}
//添加博客文章接口
else if (req.url.indexOf('publish')>=0) {
if(getReq['detail']){
let jData = {};
jData['tittle'] = getReq['tittle'];
jData['brief'] = getReq['brief'];
jData['autor'] = getReq['autor'];
jData['detail'] = getReq['detail'];
jData['typeid'] = parseInt(getReq['typeid']);
jData['typename'] = getReq['typename'];
jData['createtime'] = new Date();
jData['updatetime'] = new Date();
jData['readnum'] = 0;
jData['comtnum'] = 0;
jData['colnum'] = 0;
let cBlogTb = db.collection('blog_tb');
cBlogTb.insertOne(jData,(err,_res)=>{
// console.log('insertOne',_res);
if (err) {
console.log("Error:" + err);
res.writeHead(300, {});
res.end('err');
}else{
// console.log("cBlogTb:" ,'ok');
res.writeHead(200, {});
res.end('ok');
}
db.close();
});
}
}
//添加用户注册接口
else if (req.url.indexOf('reg')>=0) {
if(getReq['username']){
let jData = {};
jData['username'] = getReq['username'];
let cUserTb = db.collection('user_tb');
//先查询//todo
cUserTb.count(jData,(err,count)=>{
console.log('cUserTb.count',count);
if (count>0) {
//存在用户名
let json = '{"code":101,"status":0,"msg":"已存在该用户"}';
res.writeHead(200, {});
res.end(json);
db.close();
}else{
jData['password'] = getReq['password'];
jData['isAdmin'] = getReq['isAdmin'];
jData['createtime'] = new Date();
//插入数据
cUserTb.insertOne(jData,(err,_res)=>{
// console.log('insertOne',_res);
let json = '{}';
if (err) {
// console.log("Error:" + err);
json = '{"code":102,"status":0,"msg":"数据查询出错"}';
res.writeHead(200, {});
res.end(json);
}else{
// console.log("cBlogTb:" ,'ok');
json = '{"code":100,"status":1,"msg":"注册成功"}';
res.writeHead(200, {});
res.end(json);
}
db.close();
});
}
});
}
}
//用户登录接口
else if (req.url.indexOf('login')>=0){
// console.log('login',getReq['username']);
if(getReq['username']){
//传了blogid这个字段
// console.log('login','login');
let cUserTb = db.collection('user_tb');
// console.log('cUserTb',cUserTb);
let query = {};
query["username"] = getReq['username'];
findOneData(cUserTb,query,(data)=>{
// console.log('findOneData',data);
// let json = JSON.stringify(data);
// console.log('json',json);
// console.log("getReq['password']",getReq['password']);
// console.log('json.password',data.password);
if (getReq['password']==data.password) {
//登录成功
// json = '{"code":100,"status":1,"msg":"登录成功"}';
json = `{"code":100,"status":1,"msg":"登录成功","userid":"${data._id}"}`;
// console.log('json',json);
res.end(json);
res.writeHead(200, {});
}else{
json = '{"code":102,"status":0,"msg":"密码错误"}';
res.writeHead(200, {});
res.end(json);
}
// console.log('findOneJson',json);
res.end(json);
db.close();
});
function findOneData(collection,qurery,callback){
collection.findOne(qurery,(err,r)=>{
if (typeof callback =='function') {
callback(r);
}
});
}
}else{
//404 没有这篇文章
}
}
//设置博客文章的参数接口 点赞
else if (req.url.indexOf('addblogcolt')>=0) {
if(getReq['blogid']){
let cBlogTb = db.collection('blog_tb');
let blogid = getReq['blogid'];
cBlogTb.findOne({_id:ObjectID(blogid)},(err,data)=>{
console.log('findOneData',data);
let nColnum = parseInt(data.colnum)+1;
// let json = JSON.stringify(data);
console.log('nColnum',nColnum);
cBlogTb.update({_id:ObjectID(blogid)},{$set:{colnum:nColnum}},(err,_res)=>{
// console.log('colnum',_res);
if (err) {
console.log("Error:" + err);
res.writeHead(300, {});
res.end('err');
}else{
res.writeHead(200, {});
res.end('ok');
console.log('ok','ok');
}
db.close();
});
});
}
}
//删除指定单篇文章
else if (req.url.indexOf('blog_delete')>=0){
var sBlogid = getReq['blogid'];
if(sBlogid){
let cBlogTb = db.collection('blog_tb');
cBlogTb.deleteOne({_id:ObjectID(sBlogid)},(err,_res)=>{
// console.log('colnum',_res);
if (err) {
console.log("Error:" + err);
res.writeHead(300, {});
res.end('err');
}else{
res.writeHead(200, {});
res.end('ok');
console.log('ok','deleteok');
}
db.close();
});
}else{
//404 没有这篇文章
}
}
//修改博客文章接口
else if (req.url.indexOf('blog_update')>=0) {
var sBlogid = getReq['blogid'];
if(sBlogid){
let jData = {};
jData['tittle'] = getReq['tittle'];
jData['brief'] = getReq['brief'];
jData['autor'] = getReq['autor'];
jData['detail'] = getReq['detail'];
jData['typeid'] = parseInt(getReq['typeid']);
jData['typename'] = getReq['typename'];
jData['updatetime'] = new Date();
// jData['readnum'] = 0;
// jData['comtnum'] = 0;
// jData['colnum'] = 0;
let cBlogTb = db.collection('blog_tb');
cBlogTb.update({_id:ObjectID(sBlogid)},{$set:jData},(err,_res)=>{
// console.log('colnum',_res);
if (err) {
console.log("Error:" + err);
res.writeHead(300, {});
res.end('err');
}else{
res.writeHead(200, {});
res.end('ok');
console.log('ok','ok');
}
db.close();
});
}
}
//删除指定留言内容
else if (req.url.indexOf('msg_delete')>=0){
var sMsgid = getReq['msgid'];
if(sMsgid){
let cMsgTb = db.collection('message_tb');
cMsgTb.deleteOne({_id:ObjectID(sMsgid)},(err,_res)=>{
// console.log('colnum',_res);
if (err) {
console.log("Error:" + err);
res.writeHead(300, {});
res.end('err');
}else{
res.writeHead(200, {});
res.end('ok');
console.log('ok','deleteok');
}
db.close();
});
}else{
//404 没有这篇文章
}
}
});
}
});
server.listen(port,hostname,()=>{
console.log(`Server running at http://${hostname}:${port}/`);
});
// var Mongo = require('./system/mongo/init.js');
// function dbGetVisit(callback){
// let MongoClient = require('mongodb').MongoClient;
// let dbUrl = 'mongodb://127.0.0.1:27017/blog';
// MongoClient.connect(url,(err,db)=>{
// if(err){
// console.log('err',err);
// return false;
// }
// let cAppInfo = db.collection('app_info');
// let json = JSON.stringify(cAppInfo.find().toArray());
// console.log('res-end',json);
// if (typeof callback === "function"){
// this.callback(json);
// }
// }
// }