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mysql.js
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mysql.js
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var db = {}
var mysql = require('mysql');
var pool = mysql.createPool({
connectionLimit : 15,
host : 'localhost',
user : 'root',
password : '87654321',
database : 'node_test'
});
// 查询数据
db.que = function(sql, callback){
if (!sql) {
callback();
return;
}
pool.query(sql, function(err, results, fields) {
if (err) {
console.log(err);
callback(err, null);
return;
};
callback(null, results, fields);
});
}
// 插入数据
db.add = function(sql, addSqlParams, callback){
if (!sql) {
callback();
return;
}
pool.query(sql, addSqlParams, function(err, results, fields) {
if (err) {
console.log(err);
callback(err, null);
return;
};
callback(null, results, fields);
});
}
// 修改数据
db.mod = function(sql, modSqlParams, callback){
if (!sql) {
callback();
return;
}
pool.query(sql, modSqlParams, function(err, results, fields) {
if (err) {
console.log(err);
callback(err, null);
return;
};
callback(null, results, fields);
});
}
// 删除数据
db.del = function(sql, delSqlParams, callback){
if (!sql) {
callback();
return;
}
pool.query(sql, delSqlParams, function(err, results, fields) {
if (err) {
console.log(err);
callback(err, null);
return;
};
callback(null, results, fields);
});
}
module.exports = db;