tmp/wj-pack/backend/app/controller/admin/index.js

'use strict';

const Controller = require('egg').Controller;
const svgCaptcha = require('svg-captcha');
const md5 = require('md5-node');

class AdminController extends Controller {

  async login() {
   
    const {ctx, service} = this;
    let {username , password, captcha, checkKey} = ctx.request.body;

    let error = null;
    if( !username ) error = '用户名为空!';
    if( !password ) error = '密码为空!';
    if( !checkKey ) error = 'checkKey为空!';
    if( !captcha ) error = "验证码无效";

    if( error ) {
      ctx.adminFail(error);
      return;
    }

    captcha = captcha.toLowerCase();
    let cacheKey =  md5(captcha + checkKey);
    let code =  await ctx.service.cache.getString( cacheKey )

    if( !code || code != captcha) {
      ctx.adminFail("验证码无效");
      return;
    }
    // await ctx.service.cache.removeCache( cacheKey );

    let ret = await service.adminUser.login(username, password);

    ctx.adminOK(ret, '登录成功！');
  }

  async loginOut() {
    const { ctx } = this;

    throw "error test";
    // ctx.body = 'admin loginOut';
  }

  async captcha() {
    const { ctx , app} = this;

    const captcha = svgCaptcha.create({
        size: 4,
        fontSize: 50,
        width: 100,
        height: 40,
        bacground: '#cc9966'
    });
    //ctx.session.captcha = captcha.text;
    let key = ctx.params.key;
     if( !key ) {
       ctx.adminFail("no key");
       return;
     }

     let code = captcha.text;
     let lowerCaseCode = code.toLowerCase();
     let realKey = md5(lowerCaseCode+key);
     
     await ctx.service.cache.setString(realKey, lowerCaseCode, 60);

    ctx.adminOK({type: 'image/svg+xml', svg: captcha.data});
  }

  async duplicateCheck(){
    let {ctx, service} = this;
    let query = ctx.request.query;
    let ok = await service.sys.duplicateCheckOk( query );
    if( ok ) {
      ctx.adminOK(true);
      return;
    }
    ctx.adminFail(false);
  }
}

module.exports = AdminController;