把Nodejs服务器后端上传

2025-03-07 14:48:59 +08:00
parent 7fdd7adc47
commit 2201147ccc
9 changed files with 1632 additions and 0 deletions
--- a/Servers/player.js
+++ b/Servers/player.js
@@ -0,0 +1,83 @@
+const fs = require('fs');
+const path = require('path');
+const express = require('express');
+const app = express();
+const port = 3000;
+
+// 使用 express.json() 中间件来解析 JSON 请求体
+app.use(express.json());
+
+// 处理用户登录请求
+app.post('/login', (req, res) => {
+    const { user_name, user_password } = req.body;
+    const filePath = path.join(__dirname, `Players/${user_name}.json`);
+
+    fs.readFile(filePath, 'utf8', (err, data) => {
+        if (err) {
+            console.error('读取文件时出错:', err);
+            console.error("用户：", user_name, '读取文件：', userData.user_name, ".json", "失败！", "原因：用户不存在");
+            return res.status(404).json({ message: '用户不存在' });
+        }
+
+        try {
+            const userData = JSON.parse(data);
+
+            if (userData.user_password === user_password) {
+                console.error("用户：", user_name, '读取文件：', userData.user_name, ".json", "成功！");
+                return res.json({ message: '登录成功', data: userData });
+
+            } else {
+                console.error("用户：", user_name, '读取文件：', userData.user_name, ".json", "失败！","原因：密码错误");
+                return res.status(401).json({ message: '密码错误' });
+            }
+        } catch (parseError) {
+            console.error('解析 JSON 时出错:', parseError);
+            return res.status(500).json({ message: '服务器错误', error: parseError });
+        }
+    });
+});
+
+// 处理保存数据请求
+app.post('/save', (req, res) => {
+    const receivedData = req.body;
+    const filePath = path.join(__dirname, `Players/${receivedData.user_name}.json`);
+
+
+    // 将数据写入文件
+    fs.writeFile(filePath, JSON.stringify(receivedData, null, 2), (err) => {
+        if (err) {
+            console.error('保存数据时出错:', err);
+            return res.status(500).json({ message: '数据保存失败', error: err });
+        }
+        console.log(`数据已保存到 ${receivedData.user_name}.json`);
+        console.log("用户：", receivedData.user_name, '保存数据到：', receivedData.user_name, ".json", "成功！");
+        return res.json({ message: '数据保存成功', data: receivedData });
+    });
+});
+
+
+// 处理新用户注册请求
+app.post('/register', (req, res) => {
+    const newUserData = req.body;
+    const filePath = path.join(__dirname, `Players/${newUserData.user_name}.json`);
+
+    // 检查用户名是否已经存在
+    if (fs.existsSync(filePath)) {
+        console.error("新用户：", newUserData.user_name, '注册数据到：', newUserData.user_name, ".json", "失败！", "原因：用户名已存在");
+        return res.status(400).json({ message: '用户名已存在' });
+    }
+
+    // 将新用户数据写入文件
+    fs.writeFile(filePath, JSON.stringify(newUserData, null, 2), (err) => {
+        if (err) {
+            console.error("新用户：", newUserData.user_name, '注册数据到：', newUserData.user_name, ".json", "失败！", "原因：",err);
+            return res.status(500).json({ message: '数据保存失败', error: err });
+        }
+        console.log("新用户：", newUserData.user_name, '注册数据到：', newUserData.user_name, ".json", "成功！");
+        return res.json({ message: '注册成功', data: newUserData });
+    });
+});
+
+app.listen(port, () => {
+    console.log(`萌芽后端服务器正在运行在： http://localhost:${port}`);
+});