node+koa2+mysql+bootstrap搭建一个前端论坛(3)

var users = `create table if not exists users(
 id INT(200) NOT NULL AUTO_INCREMENT,
 name VARCHAR(100) NOT NULL,
 pass VARCHAR(40) NOT NULL,
 avator VARCHAR(100) DEFAULT 'default.jpg', 
 job VARCHAR(40),
 company VARCHAR(40),
 introdu VARCHAR(255),
 userhome VARCHAR(100),
 github VARCHAR(100),
 PRIMARY KEY (id)
);`

var posts = `create table if not exists posts(
 id INT(200) NOT NULL AUTO_INCREMENT,
 name VARCHAR(100) NOT NULL,
 title VARCHAR(100) NOT NULL,
 content TEXT NOT NULL,
 uid INT(200) NOT NULL,
 moment VARCHAR(40) NOT NULL,
 comments VARCHAR(255) NOT NULL DEFAULT '0',
 pv VARCHAR(40) NOT NULL DEFAULT '0',
 likes INT(200) NOT NULL DEFAULT '0',
 type VARCHAR(20) NOT NULL,
 avator VARCHAR(100),
 collection INT(200) NOT NULL DEFAULT '0', 
 PRIMARY KEY (id) ,
 FOREIGN KEY (uid) REFERENCES users(id)
 ON DELETE CASCADE

);`

var comment= `create table if not exists comment(
 id INT(200) NOT NULL AUTO_INCREMENT,
 name VARCHAR(100) NOT NULL,
 content TEXT NOT NULL,
 moment VARCHAR(40) NOT NULL,
 postid INT(200) NOT NULL,
 avator VARCHAR(100),
 PRIMARY KEY ( id ),
 FOREIGN KEY (postid) REFERENCES posts(id)
 ON DELETE CASCADE
);`

var likes = `create table if not exists likes(
 id INT(200) NOT NULL AUTO_INCREMENT,
 name VARCHAR(100) NOT NULL,
 postid INT(200) NOT NULL,
 PRIMARY KEY (id),
 FOREIGN KEY (postid) REFERENCES posts(id)
 ON DELETE CASCADE
);`
 var collection = `create table if not exists collection(
 id INT(200) NOT NULL AUTO_INCREMENT,
 uid VARCHAR(100) NOT NULL,
 postid INT(200) NOT NULL,
 PRIMARY KEY (id),
 FOREIGN KEY (postid) REFERENCES posts(id) 
 ON DELETE CASCADE
 );`
 var follow = `create table if not exists follow(
  id INT(200) NOT NULL AUTO_INCREMENT,
  uid INT(200) NOT NULL, 
  fwid INT(200) NOT NULL DEFAULT '0',
  PRIMARY KEY (id),
  FOREIGN KEY (uid) REFERENCES users(id)
  ON DELETE CASCADE
 )
 `

let createTable = function(sql){
 return query(sql, []);
}

//建表
createTable(users);
createTable(posts);
createTable(comment);
createTable(likes);
createTable(collection);
createTable(follow);
//createTable(follower);
//注册用户
let insertData = function(value){
 let _sql = "insert into users(name,pass) values(?,?);"
 return query(_sql,value);
}
//更新头像
let updateUserImg = function(value){
 let _sql = "update users set avator=? where id=?"
 return query(_sql,value);
}
//更新用户信息
let updateUser = function(value){
 let _sql = "update users set name=?,job=?,company=?,introdu=?,userhome=?,github=? where id=?"
 return query(_sql,value);
}
//发表文章
let insertPost = function(value){
 let _sql = "insert into posts(name,title,content,uid,moment,type,avator) values(?,?,?,?,?,?,?);"
 return query(_sql,value);
}

//更新文章评论数
let updatePostComment = function(value){
 let _sql = "update posts set comments=? where id=?"
 return query(_sql,value);
}
.......