提交 f45a6ddc 作者: SiloQIAN

refactor: 移除达梦数据库连接相关代码,添加路由模块,更新依赖项

上级 47688e81
const express = require('express');
var createError = require('http-errors');
const bodyParser = require('body-parser');
const dmdb = require('dmdb'); // 达梦数据库驱动
// 设置返回结果格式为对象
// https://eco.dameng.com/document/dm/zh-cn/pm/nodejs-rogramming-guide.html#10.3.1.2%20%E5%B1%9E%E6%80%A7
dmdb.outFormat = dmdb.OUT_FORMAT_OBJECT;
const app = express();
const port = 8829;
......@@ -36,94 +30,13 @@ app.use((err, req, res, next) => {
next(err); // 传递其他错误
});
const dmHost = '10.51.210.4';
const dmPort = 5237;
const dmDatabase = 'ZZ_ZWBH_PLANT_PROTECTION';
const dmUser = 'ZZ_ZWBH_PLANT_PROTECTION';
const dmPassword = 'Pp20210721';
const accessToken = 'ZZ_ZWBH_PLANT_PROTECTION';
const connectString = `dm://${dmUser}:${dmPassword}@${dmHost}:${dmPort}?autoCommit=false&loginEncrypt=false`;
//获取数据库连接
async function getConnection() {
try {
return await dmdb.getConnection(connectString);
} catch (err) {
throw new Error("getConnection error: " + err.message);
}
}
getConnection().then(client => {
client.execute('SELECT 1');
console.log('数据库连接成功');
client.release();
}).catch(err => {
console.error('数据库连接失败:', err);
process.exit(1);
});
// 健康检查端点
app.get('/health', (req, res) => {
res.status(200).json({ status: 'ok' });
});
// SQL执行端点
app.post('/execute-sql',
(req, res, next) => {
// Bearer Token验证
const token = req.headers['authorization'];
if (!token || token !== `Bearer ${accessToken}`) {
console.error('Token 未授权', token);
return res.status(401).json({ error: '未授权' });
}
next();
},
async (req, res) => {
const { sql } = req.body;
if (!sql) {
return res.status(400).json({ error: '缺少SQL查询语句' });
}
try {
// 验证SQL是否为SELECT查询
const normalizedSql = sql.trim().toLowerCase();
if (!normalizedSql.startsWith('select ')) {
return res.status(403).json({
error: '仅允许SELECT查询',
message: '出于安全考虑,只允许执行SELECT语句'
});
}
console.log(`[${new Date().getTime()}] 执行查询:`, sql);
// 获取数据库连接
const client = await getConnection();
try {
// 执行查询
const result = await client.execute(sql);
res.status(200).json({
success: true,
rows: result.rows,
rowCount: result.rowsAffected,
fields: result.name
});
} finally {
// 释放连接回连接池
client.release();
}
} catch (err) {
console.error('查询执行失败:', err);
res.status(500).json({
error: '查询执行失败',
message: err.message,
detail: process.env.NODE_ENV === 'development' ? err.stack : undefined
});
}
});
app.use('/', require('./routes/index'));
// 错误处理中间件
app.use((err, req, res, next) => {
......
const accessToken = 'ZZ_ZWBH_PLANT_PROTECTION';
export const auth = (req, res, next) => {
// Bearer Token验证
const token = req.headers['authorization'];
if (!token || token !== `Bearer ${accessToken}`) {
console.error('Token 未授权', token);
return res.status(401).json({ error: '未授权' });
}
next();
};
......@@ -9,9 +9,11 @@
"license": "ISC",
"description": "",
"dependencies": {
"axios": "^1.8.4",
"body-parser": "^1.20.3",
"dmdb": "^1.0.33801",
"express": "^4.21.2",
"http-errors": "^2.0.0"
"http-errors": "^2.0.0",
"mammoth": "^1.9.0"
}
}
lockfileVersion: '9.0'
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excludeLinksFromLockfile: false
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combined-stream@1.0.8:
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content-disposition@0.5.4:
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content-type@1.0.5: {}
cookie-signature@1.0.6: {}
cookie@0.7.1: {}
core-util-is@1.0.3: {}
debug@2.6.9:
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ms: 2.0.0
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destroy@1.2.0: {}
dingbat-to-unicode@1.0.1: {}
dmdb@1.0.34946:
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duck@0.1.12:
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dunder-proto@1.0.1:
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es-object-atoms@1.1.1:
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es-set-tostringtag@2.1.0:
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array-flatten: 1.1.1
body-parser: 1.20.3
content-disposition: 0.5.4
content-type: 1.0.5
cookie: 0.7.1
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debug: 2.6.9
depd: 2.0.0
encodeurl: 2.0.0
escape-html: 1.0.3
etag: 1.8.1
finalhandler: 1.3.1
fresh: 0.5.2
http-errors: 2.0.0
merge-descriptors: 1.0.3
methods: 1.1.2
on-finished: 2.4.1
parseurl: 1.3.3
path-to-regexp: 0.1.12
proxy-addr: 2.0.7
qs: 6.13.0
range-parser: 1.2.1
safe-buffer: 5.2.1
send: 0.19.0
serve-static: 1.16.2
setprototypeof: 1.2.0
statuses: 2.0.1
type-is: 1.6.18
utils-merge: 1.0.1
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transitivePeerDependencies:
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debug: 2.6.9
encodeurl: 2.0.0
escape-html: 1.0.3
on-finished: 2.4.1
parseurl: 1.3.3
statuses: 2.0.1
unpipe: 1.0.0
transitivePeerDependencies:
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follow-redirects@1.15.9: {}
form-data@4.0.2:
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combined-stream: 1.0.8
es-set-tostringtag: 2.1.0
mime-types: 2.1.35
forwarded@0.2.0: {}
fresh@0.5.2: {}
function-bind@1.1.2: {}
get-intrinsic@1.3.0:
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es-define-property: 1.0.1
es-errors: 1.3.0
es-object-atoms: 1.1.1
function-bind: 1.1.2
get-proto: 1.0.1
gopd: 1.2.0
has-symbols: 1.1.0
hasown: 2.0.2
math-intrinsics: 1.1.0
get-proto@1.0.1:
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es-object-atoms: 1.1.1
gopd@1.2.0: {}
has-symbols@1.1.0: {}
has-tostringtag@1.0.2:
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hasown@2.0.2:
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http-errors@2.0.0:
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inherits: 2.0.4
setprototypeof: 1.2.0
statuses: 2.0.1
toidentifier: 1.0.1
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iconv-lite@0.5.2:
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immediate@3.0.6: {}
inherits@2.0.4: {}
ipaddr.js@1.9.1: {}
isarray@1.0.0: {}
jszip@3.10.1:
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pako: 1.0.11
readable-stream: 2.3.8
setimmediate: 1.0.5
lie@3.3.0:
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lop@0.4.2:
dependencies:
duck: 0.1.12
option: 0.2.4
underscore: 1.13.7
mammoth@1.9.0:
dependencies:
'@xmldom/xmldom': 0.8.10
argparse: 1.0.10
base64-js: 1.5.1
bluebird: 3.4.7
dingbat-to-unicode: 1.0.1
jszip: 3.10.1
lop: 0.4.2
path-is-absolute: 1.0.1
underscore: 1.13.7
xmlbuilder: 10.1.1
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media-typer@0.3.0: {}
merge-descriptors@1.0.3: {}
methods@1.1.2: {}
mime-db@1.52.0: {}
mime-types@2.1.35:
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mime@1.6.0: {}
ms@2.0.0: {}
ms@2.1.3: {}
negotiator@0.6.3: {}
object-inspect@1.13.4: {}
on-finished@2.4.1:
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option@0.2.4: {}
pako@1.0.11: {}
parseurl@1.3.3: {}
path-is-absolute@1.0.1: {}
path-to-regexp@0.1.12: {}
process-nextick-args@2.0.1: {}
proxy-addr@2.0.7:
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ipaddr.js: 1.9.1
proxy-from-env@1.1.0: {}
qs@6.13.0:
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range-parser@1.2.1: {}
raw-body@2.5.2:
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http-errors: 2.0.0
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readable-stream@2.3.8:
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core-util-is: 1.0.3
inherits: 2.0.4
isarray: 1.0.0
process-nextick-args: 2.0.1
safe-buffer: 5.1.2
string_decoder: 1.1.1
util-deprecate: 1.0.2
safe-buffer@5.1.2: {}
safe-buffer@5.2.1: {}
safer-buffer@2.1.2: {}
send@0.19.0:
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depd: 2.0.0
destroy: 1.2.0
encodeurl: 1.0.2
escape-html: 1.0.3
etag: 1.8.1
fresh: 0.5.2
http-errors: 2.0.0
mime: 1.6.0
ms: 2.1.3
on-finished: 2.4.1
range-parser: 1.2.1
statuses: 2.0.1
transitivePeerDependencies:
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serve-static@1.16.2:
dependencies:
encodeurl: 2.0.0
escape-html: 1.0.3
parseurl: 1.3.3
send: 0.19.0
transitivePeerDependencies:
- supports-color
setimmediate@1.0.5: {}
setprototypeof@1.2.0: {}
side-channel-list@1.0.0:
dependencies:
es-errors: 1.3.0
object-inspect: 1.13.4
side-channel-map@1.0.1:
dependencies:
call-bound: 1.0.4
es-errors: 1.3.0
get-intrinsic: 1.3.0
object-inspect: 1.13.4
side-channel-weakmap@1.0.2:
dependencies:
call-bound: 1.0.4
es-errors: 1.3.0
get-intrinsic: 1.3.0
object-inspect: 1.13.4
side-channel-map: 1.0.1
side-channel@1.1.0:
dependencies:
es-errors: 1.3.0
object-inspect: 1.13.4
side-channel-list: 1.0.0
side-channel-map: 1.0.1
side-channel-weakmap: 1.0.2
sprintf-js@1.0.3: {}
statuses@2.0.1: {}
string_decoder@1.1.1:
dependencies:
safe-buffer: 5.1.2
toidentifier@1.0.1: {}
type-is@1.6.18:
dependencies:
media-typer: 0.3.0
mime-types: 2.1.35
underscore@1.13.7: {}
unpipe@1.0.0: {}
util-deprecate@1.0.2: {}
utils-merge@1.0.1: {}
vary@1.1.2: {}
xmlbuilder@10.1.1: {}
const express = require('express');
const router = express.Router();
const { auth } = require('../middlewares/auth');
const dmdb = require('dmdb'); // 达梦数据库驱动
// 设置返回结果格式为对象
// https://eco.dameng.com/document/dm/zh-cn/pm/nodejs-rogramming-guide.html#10.3.1.2%20%E5%B1%9E%E6%80%A7
dmdb.outFormat = dmdb.OUT_FORMAT_OBJECT;
const dmHost = '10.51.210.4';
const dmPort = 5237;
const dmDatabase = 'ZZ_ZWBH_PLANT_PROTECTION';
const dmUser = 'ZZ_ZWBH_PLANT_PROTECTION';
const dmPassword = 'Pp20210721';
const connectString = `dm://${dmUser}:${dmPassword}@${dmHost}:${dmPort}?autoCommit=false&loginEncrypt=false`;
//获取数据库连接
async function getConnection() {
try {
return await dmdb.getConnection(connectString);
} catch (err) {
throw new Error("getConnection error: " + err.message);
}
}
getConnection().then(client => {
client.execute('SELECT 1');
console.log('数据库连接成功');
client.release();
}).catch(err => {
console.error('数据库连接失败:', err);
process.exit(1);
});
router.post('/', auth, async (req, res) => {
const { sql } = req.body;
if (!sql) {
return res.status(400).json({ error: '缺少SQL查询语句' });
}
try {
// 验证SQL是否为SELECT查询
const normalizedSql = sql.trim().toLowerCase();
if (!normalizedSql.startsWith('select ')) {
return res.status(403).json({
error: '仅允许SELECT查询',
message: '出于安全考虑,只允许执行SELECT语句'
});
}
console.log(`[${new Date().getTime()}] 执行查询:`, sql);
// 获取数据库连接
const client = await getConnection();
try {
// 执行查询
const result = await client.execute(sql);
res.status(200).json({
success: true,
rows: result.rows,
rowCount: result.rowsAffected,
fields: result.name
});
} finally {
// 释放连接回连接池
client.release();
}
} catch (err) {
console.error('查询执行失败:', err);
res.status(500).json({
error: '查询执行失败',
message: err.message,
detail: process.env.NODE_ENV === 'development' ? err.stack : undefined
});
}
});
module.exports = router;
const express = require('express');
const router = express.Router();
router.use('/execute-sql', require('./execute-sql'));
router.use('/trans-doc', require('./trans-doc'));
module.exports = router;
const express = require('express');
const router = express.Router();
const axios = require('axios');
const mammoth = require('mammoth');
/**
* 依据传递过来的 docx 文件的 url ,将 docx 的内容转换为 string 返回
* 1. 下载 docx 文件
* 2. 将 docx 文件转换为 string
* 3. 返回 string
*
* * 使用 `axios` 库来下载 docx 文件 @https://www.npmjs.com/package/axios
* * 使用 `mammoth` 库来将 docx 文件转换为 string @https://www.npmjs.com/package/mammoth
*/
router.post('/docx2text', async (req, res) => {
try {
const { url } = req.body;
if (!url) {
return res.status(400).json({ error: 'URL is required' });
}
// 下载 docx 文件
const response = await axios({
method: 'get',
url: url,
responseType: 'arraybuffer'
});
console.info('extractRawText url: ', url);
// 使用 mammoth 转换文档内容
const result = await mammoth.extractRawText({ buffer: response.data });
// 返回转换后的文本
res.json({ text: result.value });
} catch (error) {
console.error('Error processing docx file:', error);
res.status(500).json({ error: 'Failed to process docx file' });
}
});
module.exports = router;
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