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@zkl2333
zkl2333 committed Apr 26, 2019
1 parent 1e76626 commit 9ebbe33
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Showing 6 changed files with 758 additions and 743 deletions.
34 changes: 18 additions & 16 deletions dbconfig.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -5,27 +5,29 @@ var mysql = require("mysql");
var pool = Object;

async function initPool() {
await fs.exists("dbconfig.json", function(exists) {
if (exists) {
pool = mysql.createPool(JSON.parse(fs.readFileSync('dbconfig.json')));
} else {
pool = mysql.createPool({
host: "localhost",
user: "user",
password: "password",
database: "database",
port: 3306
});
}
});
await fs.exists("dbconfig.json", function(exists) {
if (exists) {
pool = mysql.createPool(
JSON.parse(fs.readFileSync("dbconfig.json"))
);
} else {
pool = mysql.createPool({
host: "localhost",
user: "user",
password: "password",
database: "database",
port: 3306
});
}
});
}

initPool();

function query(sql, callback) {
pool.query(sql, function(err, rows) {
callback(err, rows);
});
pool.query(sql, function(err, rows) {
callback(err, rows);
});
}

exports.query = query;
203 changes: 108 additions & 95 deletions main.js
View file
Original file line number Diff line number Diff line change
@@ -1,117 +1,130 @@
var express = require('express');
var express = require("express");
var app = express();
var db = require("./dbconfig");
var bodyParser = require('body-parser');
var crypto = require('crypto');
var bodyParser = require("body-parser");
var crypto = require("crypto");

function md5(text) {
return crypto.createHash('md5').update(text).digest('hex');
};
return crypto
.createHash("md5")
.update(text)
.digest("hex");
}

app.set("view engine", "ejs");
app.use(express.static('public'));
app.use(bodyParser.urlencoded({
extended: false
}));
app.use(express.static("public"));
app.use(
bodyParser.urlencoded({
extended: false
})
);

app.get(["/", "/index.html"], function (req, res) {
res.render("index.ejs", {
json: 'undefined'
});
app.get(["/", "/index.html"], function(req, res) {
res.render("index.ejs", {
json: "undefined"
});
});


app.get(["/set", "/set.html"], function (req, res) {
res.render("set.ejs");
app.get(["/set", "/set.html"], function(req, res) {
res.render("set.ejs");
});


/**
* 添加URL
*/
app.post("/set", function (req, res) {
console.log("收到字符串", unescape(req.body.json));
var json = JSON.stringify(req.body.json.replace(/\"/g, "\\\""));
var md5str = md5(json);
db.query("SELECT `id`,`md5` FROM `id` WHERE md5 = '" + md5str + "'", function (err, rows) {
if (err) {
console.log(err);
res.send(err);
} else {
if (rows[0] !== undefined) {
if (md5str == rows[0].md5) {
console.log("重复记录", rows[0].md5);
res.send("/id/" + rows[0].id);
}
} else {
db.query("insert into id(json,md5) values('" + json + "','" + md5(json) + "')", function (err, rows) {
if (err) {
console.error(err);
res.send(err);
} else {
res.send("/id/" + rows.insertId);
}
});
}
}
});

app.post("/set", function(req, res) {
console.log("收到字符串", unescape(req.body.json));
var json = JSON.stringify(req.body.json.replace(/\"/g, '\\"'));
var md5str = md5(json);
db.query(
"SELECT `id`,`md5` FROM `id` WHERE md5 = '" + md5str + "'",
function(err, rows) {
if (err) {
console.log(err);
res.send(err);
} else {
if (rows[0] !== undefined) {
if (md5str == rows[0].md5) {
console.log("重复记录", rows[0].md5);
res.send("/id/" + rows[0].id);
}
} else {
db.query(
"insert into id(json,md5) values('" +
json +
"','" +
md5(json) +
"')",
function(err, rows) {
if (err) {
console.error(err);
res.send(err);
} else {
res.send("/id/" + rows.insertId);
}
}
);
}
}
}
);
});

app.get("/id/:id", function (req, res) {
var id = Number(req.params.id);
if (isNaN(id)) {
console.log(id);
var code = 500;
res.status(code).render('error.ejs', {
error: "参数错误",
code: code
});
} else {
console.log(id);
db.query("SELECT json FROM `id` WHERE id=" + id + "", function (err, rows) {
if (err) {
console.log(err);
var code = 500;
res.status(code).render('error.ejs', {
error: "数据库错误",
code: code
});
} else {
if (rows[0] !== undefined) {
console.log("找到记录", rows[0].json);
res.render("index.ejs", {
json: rows[0].json
});
} else {
var code = 404;
res.status(code).render('error.ejs', {
error: "未找到记录",
code: code
});
};
}
});
}
app.get("/id/:id", function(req, res) {
var id = Number(req.params.id);
if (isNaN(id)) {
console.log(id);
var code = 500;
res.status(code).render("error.ejs", {
error: "参数错误",
code: code
});
} else {
console.log(id);
db.query("SELECT json FROM `id` WHERE id=" + id + "", function(
err,
rows
) {
if (err) {
console.log(err);
var code = 500;
res.status(code).render("error.ejs", {
error: "数据库错误",
code: code
});
} else {
if (rows[0] !== undefined) {
console.log("找到记录", rows[0].json);
res.render("index.ejs", {
json: rows[0].json
});
} else {
var code = 404;
res.status(code).render("error.ejs", {
error: "未找到记录",
code: code
});
}
}
});
}
});


app.use(function (req, res, next) {
var code = 404;
res.status(code).render('error.ejs', {
error: "未定义页面",
code: code
});
app.use(function(req, res, next) {
var code = 404;
res.status(code).render("error.ejs", {
error: "未定义页面",
code: code
});
});

app.use(function (err, req, res, next) {
console.error(err.stack);
var code = 500;
res.status(code).render('error.ejs', {
error: "为止错误",
code: code
});
app.use(function(err, req, res, next) {
console.error(err.stack);
var code = 500;
res.status(code).render("error.ejs", {
error: "为止错误",
code: code
});
});


app.listen(3000);
app.listen(3000);
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