+ 
+                import userModel from '../models/user.js'
+import yapi from '../yapi.js'
+import baseController from './base.js'
+import mongoose from 'mongoose'
+
+const sha1 = require('sha1');
+
+class userController extends baseController{
+    constructor(ctx){
+        super(ctx)
+        console.log('constructor...')
+    }
+    /**
+     * 添加项目分组
+     * @interface /user/login
+     * @method POST
+     * @category user
+     * @foldnumber 10
+     * @param {String} username 用户名称，不能为空
+     * @param  {String} password 密码，不能为空
+     * @returns {Object} 
+     * @example ./api/user/login.json
+     */
+    async login(ctx){   //登录
+        var userInst = yapi.getInst(userModel); //创建user实体
+        let username = ctx.request.body.username;
+        let password = ctx.request.body.password;
+        let result = await userInst.findByName(username);
+        console.log(password)
+
+        
+
+        userInst.save(function(error){
+            console.log(111)
+            var error = userInst.validateSync();
+            assert.equal(error.errors['password'].message, 'password required');
+        });
+        
+        if(!username){
+            return ctx.body = yapi.commons.resReturn(null,400,'用户名不能为空');
+        }
+        //  if(!password){
+        //     return ctx.body = yapi.commons.resReturn(null,400,'密码不能为空');
+        // }
+        //输入一个不存在的用户名
+        var checkRepeat = await userInst.checkRepeat(username);//然后检查是否已经存在该用户
+        if(checkRepeat==0){
+            return ctx.body = yapi.commons.resReturn(null,404,'该用户不存在');  //返回的错误码对吗？？？？
+        }else if(sha1(result.password)===password){    //用户名存在，判断密码是否正确，正确则可以登录
+            console.log('密码一致');   //是不是还需要把用户名密码一些东西写到session
+            // setCookie('token', sha1(username+password));
+            // userInst.update({_id, result._id}, {token: sha1(username+password)})
+            // return ctx.body = {username: ''}
+            return ctx.body = yapi.commons.resReturn(null,200,'ok'); 
+        }else{
+             return ctx.body = yapi.commons.resReturn(null,400,'密码错误'); 
+        }
+    }
+
+
+
+    async reg(ctx){  //注册
+        var userInst = yapi.getInst(userModel); 
+        let params = ctx.request.body; //获取请求的参数,检查是否存在用户名和密码
+        // if(!params.username){
+        //     return ctx.body = yapi.commons.resReturn(null,400,'用户名不能为空');
+        // }
+        // if(!params.password){
+        //     return ctx.body = yapi.commons.resReturn(null,400,'密码不能为空'); 
+        // }
+        // if(!params.email){
+        //     return ctx.body = yapi.commons.resReturn(null,400,'邮箱不能为空'); 
+        // }
+        
+        // var checkRepeat = await userInst.checkRepeat(params.username);//然后检查是否已经存在该用户
+        // if(checkRepeat>0){
+        //     return ctx.body = yapi.commons.resReturn(null,401,'该用户名已经注册');
+        // }
+        // var checkRepeat = await userInst.checkRepeat(params.email);//然后检查是否已经存在该用户
+        // if(checkRepeat>0){
+        //     return ctx.body = yapi.commons.resReturn(null,401,'该邮箱已经注册');
+        // }
+        
+        let data = {
+            username: params.username,
+            password: sha1(params.password),//加密
+            email: params.email,
+            role: params.role,
+            add_time: yapi.commons.time(),
+            up_time: yapi.commons.time()
+        }
+        try{
+            let user = await userInst.save(data);
+            user = yapi.commons.fieldSelect(user,['id','username','password','email','role'])
+            ctx.body = yapi.commons.resReturn(user);
+        }catch(e){
+            ctx.body = yapi.commons.resReturn(null, 401, e.message);
+        }
+    }
+    async list(ctx){  //获取用户列表并分页 
+        var userInst = yapi.getInst(userModel);
+        try{
+            let user = await  userInst.list();
+            return ctx.body = yapi.commons.resReturn(user);
+        }catch(e){
+            return ctx.body = yapi.commons.resReturn(null,402,e.message);
+        }
+    }
+    async findById(ctx){    //根据id获取用户信息
+         try{
+            var userInst = yapi.getInst(userModel);
+            let id = ctx.request.body.id;
+            let result = await userInst.findById(id);
+            return ctx.body = yapi.commons.resReturn(result);
+        }catch(e){
+            return ctx.body = yapi.commons.resReturn(null,402,e.message);
+        }
+    }
+    async del(ctx){   //根据id删除一个用户
+        try{
+            var userInst = yapi.getInst(userModel);
+            let id = ctx.request.body.id;
+            let result = await userInst.del(id);
+            ctx.body = yapi.commons.resReturn(result);
+        }catch(e){
+            ctx.body = yapi.commons.resReturn(null,402,e.message);
+        }
+    }
+    async update(ctx){    //更新用户信息
+        try{
+            var userInst = yapi.getInst(userModel);
+            let id = ctx.request.body.id;
+            let data ={};
+            ctx.request.body.username && (data.username = ctx.request.body.username)
+            ctx.request.body.password && (data.password = ctx.request.body.password)
+            ctx.request.body.email && (data.email = ctx.request.body.email)
+            ctx.request.body.role && (data.role = ctx.request.body.role)
+            if (Object.keys(data).length===0){
+                 ctx.body = yapi.commons.resReturn(null,404,'用户名、密码、Email、role都为空');
+            }
+            let result = await userInst.update(id,data);
+            ctx.body = yapi.commons.resReturn(result);
+        }catch(e){
+            ctx.body = yapi.commons.resReturn(null,402,e.message);
+        }
+    }
+}
+
+module.exports = userController
+
+