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基于express框架学习
http://www.expressjs.com.cn/
在数据建立完整后,在node中操作链接
/**数据库**/
var Client = require('mysql').createConnection({ host: '127.0.0.1', user: 'root', password: '*******', database: '********', charset: 'UTF8',
});
var querStr = `select * from 表名 where 条件`;
Client.query(
querStr, function selectCb(err, results, fields) { if (err) { throw err;
}
});
设置cookie
var serialize = function(name, val, opt) {
var pairs = [name + '=' + val];
opt = opt || {};
if (opt.maxAge) pairs.push('Max-Age=' + opt.maxAge);
if (opt.domain) pairs.push('Domain=' + opt.domain);
if (opt.path) pairs.push('Path=' + opt.path);
if (opt.expires) pairs.push('Expires=' + opt.exppires.toUTCString());
if (opt.httpOnly) pairs.push('HttpOnly');
if (opt.secure) pairs.push('Secure');
return pairs.join(';');
};
登录匹配成功后设置cookie
res.setHeader('Set-Cookie', serialize('isVisit', '1'));
3.代码
var serialize = function(name, val, opt) { var pairs = [name + '=' + val];
opt = opt || {}; if (opt.maxAge) pairs.push('Max-Age=' + opt.maxAge); if (opt.domain) pairs.push('Domain=' + opt.domain); if (opt.path) pairs.push('Path=' + opt.path); if (opt.expires) pairs.push('Expires=' + opt.exppires.toUTCString()); if (opt.httpOnly) pairs.push('HttpOnly'); if (opt.secure) pairs.push('Secure'); return pairs.join(';');
};
router.post('/login', function(req, res) { var username = req.body.username; var password = req.body.password; var querStr = `select * from adminuser where username = '${username}' and password ='${password}'`;
Client.query(
querStr, function selectCb(err, results, fields) { if (err) {
data = {state: 0, results: ''}; throw err;
} if (results.length === 0) {
data = {state: 0, results: ''};
} else {
data = {state: 1, results: "登录成功"};
}
res.setHeader('Set-Cookie', serialize('isVisit', '1'));
res.json(data);
});
});
4.下次请求时验证
if (!req.cookies.isVisit) {console.log('用户未授权');
res.json(unlogin);
} else {
}
1.npm导入
npm install jwt-simple
2.设置
var express = require('express');var jwt = require('jwt-simple');var app = express();
app.set('jwtTokenSecret', 'YOUR_SECRET_STRING');
3.匹配成功设置token
/**设置移动端登录连续七天过后过期**/var expires = moment().add(7, 'days').valueOf();var token = jwt.encode({ iss: results.id, exp: expires,
}, app.get('jwtTokenSecret'));
4.全部代码
/**用户登录接口**/router.post('/mobile/login', function(req, res) {var username = req.body.username;var password = req.body.password;var querStr = `select * from “表名” where username = '${username}' and password = '${password}'`;
Client.query(
querStr, function selectCb(err, results, fields) { if (err) {
data = {state: 0, results: ''}; throw err;
} if (results.length === 0) {
data = {state: 0, results: ''};
} else { /**设置移动端登录连续七天过后过期**/
var expires = moment().add(7, 'days').valueOf(); var token = jwt.encode({ iss: results.id, exp: expires,
}, app.get('jwtTokenSecret'));
data = {state: 1, results: results, token: token};
}
res.json(data);
});
});
5.下次请求验证
var decoded = jwt.decode(token, app.get('jwtTokenSecret')); if (decoded.exp 
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作者:代码_bug
链接:https://www.jianshu.com/p/7a89fcaf5198
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/4556/viewspace-2802660/ ,如需转载,请注明出处,否则将追究法律责任。