图形验证码

+const _ = require('lodash');
+
+exports.index = (req, res) => {
+    res.render('check', {
+        width750: true,
+        localCss: true
+    });
+};
+
+exports.submit = (req, res) => {
+    let captchaCode = _.get(req.session, 'captcha');
+
+    if (req.body.captcha === captchaCode) {
+        return res.send('ok');
+    }
+    return res.send('fail');
+};

@@ -9,9 +9,12 @@
 const router = require('express').Router(); // eslint-disable-line
 const cRoot = './controllers';
 const ads = require(`${cRoot}/ads`);
+const check = require(`${cRoot}/check`);
 
 // routers
 
 router.get('/ads', ads.index);
+router.get('/check', check.index);
+router.post('/check/submit', check.submit);
 
 module.exports = router;

+<div class="check-page">
+    <div id="js-img-check"></div>
+    <div class="submit">
+        确认
+    </div>
+</div>

+require('3party/check.page.css');
+
+// 图片验证码
+let ImgCheck = require('plugin/img-check');
+
+let imgCheck = new ImgCheck('#js-img-check', {
+    useREM: {
+        rootFontSize: 40,
+        picWidth: 150
+    }
+});
+
+imgCheck.init();
+
+$(function() {
+    $('.submit').on('click', function() {
+        $.ajax({
+            method: 'POST',
+            url: '/3party/check/submit',
+            data: {
+                captcha: $.trim(imgCheck.getResults())
+            }
+        });
+    });
+});

+@import "layout/img-check";
+
+.check-page {
+    margin: 20px auto;
+    width: 700px;
+
+    .submit {
+        width: 100%;
+        height: 100px;
+        line-height: 100px;
+        text-align: center;
+        font-size: 32px;
+        color: #fff;
+        background: #5cb85c;
+        border-radius: 10px;
+    }
+}