var mysql = require('mysql');
var config = require('../config/default.js')
var pool? = mysql.createPool({
? host? ? : config.database.HOST,
? user? ? : config.database.USERNAME,
? password : config.database.PASSWORD,
? database : config.database.DATABASE,
? port? ? : config.database.PORT
});
let query = ( sql, values ) => {
? return new Promise(( resolve, reject ) => {
? ? pool.getConnection( (err, connection) => {
? ? ? if (err) {
? ? ? ? reject( err )
? ? ? } else {
? ? ? ? connection.query(sql, values, ( err, rows) => {
? ? ? ? ? if ( err ) {
? ? ? ? ? ? reject( err )
? ? ? ? ? } else {
? ? ? ? ? ? resolve( rows )
? ? ? ? ? }
? ? ? ? ? connection.release()
? ? ? ? })
? ? ? }
? ? })
? })
}
// let query = function( sql, values ) {
// pool.getConnection(function(err, connection) {
//? // 使用連接
//? connection.query( sql,values, function(err, rows) {
//? ? // 使用連接執(zhí)行查詢
//? ? console.log(rows)
//? ? connection.release();
//? ? //連接不再使用，返回到連接池
//? });
// });
// }
let users =
? ? `create table if not exists users(
? ? id INT NOT NULL AUTO_INCREMENT,
? ? name VARCHAR(100) NOT NULL COMMENT '用戶名',
? ? pass VARCHAR(100) NOT NULL COMMENT '密碼',
? ? avator VARCHAR(100) NOT NULL COMMENT '頭像',
? ? moment VARCHAR(100) NOT NULL COMMENT '注冊時間',
? ? PRIMARY KEY ( id )
? ? );`
let posts =
? ? `create table if not exists posts(
? ? id INT NOT NULL AUTO_INCREMENT,
? ? name VARCHAR(100) NOT NULL COMMENT '文章作者',
? ? title TEXT(0) NOT NULL COMMENT '評論題目',
? ? content TEXT(0) NOT NULL COMMENT '評論內(nèi)容',
? ? md TEXT(0) NOT NULL COMMENT 'markdown',
? ? uid VARCHAR(40) NOT NULL COMMENT '用戶id',
? ? moment VARCHAR(100) NOT NULL COMMENT '發(fā)表時間',
? ? comments VARCHAR(200) NOT NULL DEFAULT '0' COMMENT '文章評論數(shù)',
? ? pv VARCHAR(40) NOT NULL DEFAULT '0' COMMENT '瀏覽量',
? ? avator VARCHAR(100) NOT NULL COMMENT '用戶頭像',
? ? PRIMARY KEY(id)
? ? );`
let comment =
? ? `create table if not exists comment(
? ? id INT NOT NULL AUTO_INCREMENT,
? ? name VARCHAR(100) NOT NULL COMMENT '用戶名稱',
? ? content TEXT(0) NOT NULL COMMENT '評論內(nèi)容',
? ? moment VARCHAR(40) NOT NULL COMMENT '評論時間',
? ? postid VARCHAR(40) NOT NULL COMMENT '文章id',
? ? avator VARCHAR(100) NOT NULL COMMENT '用戶頭像',
? ? PRIMARY KEY(id)
? ? );`
let createTable = ( sql ) => {
? return query( sql, [] )
}
// 建表
createTable(users)
createTable(posts)
createTable(comment)
// 注冊用戶
exports.insertData = ( value ) => {
? let _sql = "insert into users set name=?,pass=?,avator=?,moment=?;"
? return query( _sql, value )
}
// 刪除用戶
exports.deleteUserData = ( name ) => {
? let _sql = `delete from users where name="${name}";`
? return query( _sql )
}
// 查找用戶
exports.findUserData = ( name ) => {
? let _sql = `select * from users where name="${name}";`
? return query( _sql )
}
// 發(fā)表文章
exports.insertPost = ( value ) => {
? let _sql = "insert into posts set name=?,title=?,content=?,md=?,uid=?,moment=?,avator=?;"
? return query( _sql, value )
}
// 更新文章評論數(shù)
exports.updatePostComment = ( value ) => {
? let _sql = "update posts set comments=? where id=?"
? return query( _sql, value )
}
// 更新瀏覽數(shù)
exports.updatePostPv = ( value ) => {
? let _sql = "update posts set pv=? where id=?"
? return query( _sql, value )
}
// 發(fā)表評論
exports.insertComment = ( value ) => {
? let _sql = "insert into comment set name=?,content=?,moment=?,postid=?,avator=?;"
? return query( _sql, value )
}
// 通過名字查找用戶
exports.findDataByName =? ( name ) => {
? let _sql = `select * from users where name="${name}";`
? return query( _sql)
}
// 通過文章的名字查找用戶
exports.findDataByUser =? ( name ) => {
? let _sql = `select * from posts where name="${name}";`
? return query( _sql)
}
// 通過文章id查找
exports.findDataById =? ( id ) => {
? let _sql = `select * from posts where id="${id}";`
? return query( _sql)
}
// 通過文章id查找
exports.findCommentById =? ( id ) => {
? let _sql = `select * from comment where postid="${id}";`
? return query( _sql)
}
// 通過評論id查找
exports.findComment =? ( id ) => {
? let _sql = `select * from comment where id="${id}";`
? return query( _sql)
}
// 查詢所有文章
exports.findAllPost =? () => {
? let _sql = ` select * from posts;`
? return query( _sql)
}
// 查詢分頁文章
exports.findPostByPage =? ( page ) => {
? let _sql = ` select * from posts limit ${(page-1)*10},10;`
? return query( _sql)
}
// 查詢個人分頁文章
exports.findPostByUserPage =? (name,page) => {
? let _sql = ` select * from posts where name="${name}" order by id desc limit ${(page-1)*10},10 ;`
? return query( _sql)
}
// 更新修改文章
exports.updatePost = (values) => {
? let _sql = `update posts set title=?,content=?,md=? where id=?`
? return query(_sql,values)
}
// 刪除文章
exports.deletePost = (id) => {
? let _sql = `delete from posts where id = ${id}`
? return query(_sql)
}
// 刪除評論
exports.deleteComment = (id) => {
? let _sql = `delete from comment where id=${id}`
? return query(_sql)
}
// 刪除所有評論
exports.deleteAllPostComment = (id) => {
? let _sql = `delete from comment where postid=${id}`
? return query(_sql)
}
// 查找評論數(shù)
exports.findCommentLength = (id) => {
? let _sql = `select content from comment where postid in (select id from posts where id=${id})`
? return query(_sql)
}
// 滾動無限加載數(shù)據(jù)
exports.findPageById = (page) => {
? let _sql = `select * from posts limit ${(page-1)*5},5;`
? return query(_sql)
}
// 評論分頁
exports.findCommentByPage = (page,postId) => {
? let _sql = `select * from comment where postid=${postId} order by id desc limit ${(page-1)*10},10;`
? return query(_sql)
}
