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How to implement addition, deletion, modification and query of database in js_javascript skills

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Release： 2016-05-16 17:48:07
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JavaScript operates the database and JS operates the Access database, which is similar to other language operations. I have summarized the custom codes for reference only.
Now there is a file abc.mdf in the F drive, the table name is Student, there are 2 fields in total, Id numeric type primary key, stuName text type, now add, delete, modify and check the table:
1. Query

Copy code The code is as follows:



Data Query




< /HTML>

2. Add operation
Copy code The code is as follows:



Add operation










< td>

Number





3. Delete Operation
Copy code The code is as follows:



Delete operation





4. Modification operation
Copy code The code is as follows:



修改操作

<script> <br>function updateUser(userId,userName) <br>{ <br>var conn = new ActiveXObject("ADODB.Connection"); <br>conn.Open("DBQ=F://abc.mdb;DRIVER={Microsoft Access Driver (*.mdb)};"); <br>var rs = new ActiveXObject("ADODB.Recordset"); <br>var sql="update Student set stuName='" userName "' where Id=" userId ""; <br>conn.execute(sql); <br>conn.close(); <br>conn = null; <br>alert("修改成功"); <br>} <br></script>










编号 姓名





另外，JS也可以操作SQL Server数据库
数据库名为：MySchool，表名为Student，StudentId为int类型，自增列，studentName为学生姓名，为varchar类型。数据库用户名为sa，密码是ok，
复制代码 代码如下:



SQL数据查询





Related labels：
Add, delete, modify and check database
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