无法读取 nodejs 中未定义的属性 'body'

Question

我在 nodejs 中有一个注册表单。

在这种形式下，我必须检查电话号码是否存在于数据库中。

我使用 passportJs 来完成此操作。

但是当我发送请求时它显示这个错误：

Cannot read property 'body' of undefined

现在我在这里写下我的代码：

这是在 middlware 中设置的通行证:

     require('./passport/passport-local');
     app.use(passport.initialize());
     app.use(passport.session())

这是我项目中的 passport-local 文件：

    const passport = require('passport');
const localStrategy = require('passport-local').Strategy;
const UserModel = require('../models/users')

passport.serializeUser(function(user, done) {
    done(null, user.id);
  });

  passport.deserializeUser(function(id, done) {
    User.findById(id, function(err, user) {
      done(err, user);
    });
  });

passport.use('local.register', new localStrategy({
    phoneNumberField: 'phoneNumber',
    passReqToCallback: true,
}, (req, phoneNumber, done) => {
    UserModel.findOne({ phoneNumber: phoneNumber }, (error, user) => {
        if (error) return done(error);
        if (!user) return done(error, false, req.flash('errors', 'This Phone Number exist . Please Choose the Other Phone Number'))

        const addUSer = new UserModel({
            name: req.body.name,
            family: req.body.family,
            phoneNumber: req.body.phoneNumber,
            password: req.body.password
        })

        addUSer.save((err) => {
            if (err) return done(err, false, req.flash('errors', 'امکان ثبت کاربر با این مشخصات وجود ندارد'));
            done(null, addUSer);
        });
    })
}))

这是我的控制器：

   RegisterProcess(req, res) {

    var validateResult = validationResult(req);

    if (!validateResult.isEmpty()) {
        const errors = validateResult.array();
        let messages = [];
        errors.forEach(error => {
            messages.push(error.msg);
        });
        req.flash('errors', messages)
        res.redirect('/auth/register');
    }else{
        this.register();
    }
}

register(req, res, next) {
    passport.authenticate('local.register', {
        successRedirect: '/admin',
        failureRedirect: '/auth/register',
        failureMessage: true
    })(req, res, next)
}

现在有什么问题吗？我该如何解决这个问题？？？

**编辑：**

完整堆栈跟踪：

TypeError: Cannot read property 'body' of undefined
at Strategy.authenticate (/home/mrcoder/Projects/Nodejs/OnlineStore/node_modules/passport-local/lib/strategy.js:71:29)
at attempt (/home/mrcoder/Projects/Nodejs/OnlineStore/node_modules/passport/lib/middleware/authenticate.js:366:16)
at authenticate (/home/mrcoder/Projects/Nodejs/OnlineStore/node_modules/passport/lib/middleware/authenticate.js:367:7)
at RegisterController.register (/home/mrcoder/Projects/Nodejs/OnlineStore/app/http/controller/auth/RegisterController.js:36:11)
at RegisterController.RegisterProcess (/home/mrcoder/Projects/Nodejs/OnlineStore/app/http/controller/auth/RegisterController.js:27:18)
at Layer.handle [as handle_request] (/home/mrcoder/Projects/Nodejs/OnlineStore/node_modules/express/lib/router/layer.js:95:5)
at next (/home/mrcoder/Projects/Nodejs/OnlineStore/node_modules/express/lib/router/route.js:137:13)
at middleware (/home/mrcoder/Projects/Nodejs/OnlineStore/node_modules/express-validator/src/middlewares/check.js:15:13)
at processTicksAndRejections (internal/process/task_queues.js:97:5)

Answer 1

为了能够从提交的 html 表单中解析数据，您需要一个合适的解析中间件。一个常见的库是 body-parser。您可以设置如下：

const bodyParser = require('body-parser');
...
// use bodyParser middleware for parsing application/xwww-form-urlencoded
app.use(bodyParser.urlencoded({ extended: true }));

无法读取 nodejs 中未定义的属性 'body'

Cannot read property 'body' of undefined in nodejs

javascript

node.js

passport.js

无法读取 nodejs 中未定义的 属性 'body'

Cannot read property 'body' of undefined in nodejs

javascript

node.js

passport.js

无法读取 nodejs 中未定义的属性 'body'