PHP 向MySQL数据库插入数据
可以通过执行PHP函数的SQL INSERT语句将数据插入到MySQL表中 mysql_query 。下面是一个简单的示例,将一条记录插入到 employee 表中。
示例
尝试以下示例,将记录插入employee表中。
<?php dbhost = 'localhost:3036';dbuser = 'root'; dbpass = 'rootpassword';conn = mysql_connect(dbhost,dbuser, dbpass); if(!conn ) { die('Could not connect: ' . mysql_error()); } sql = 'INSERT INTO employee '. '(emp_name,emp_address, emp_salary, join_date) '. 'VALUES ( "guest", "XYZ", 2000, NOW() )'; mysql_select_db('test_db');retval = mysql_query( sql,conn ); if(! retval ) { die('Could not enter data: ' . mysql_error()); } echo "Entered data successfully\n"; mysql_close(conn); ?>
在真实的应用中,所有的值将使用HTML表单获取,然后使用PHP脚本捕获这些值,最后将它们插入到MySQL表中。
在进行数据插入时,最佳实践是使用函数 get_magic_quotes_gpc() 来检查魔术引号的当前配置是否已设置。如果这个函数返回false,则使用函数 addslashes() 在引号前添加反斜杠。
示例
将此代码放入add_employee.php中,通过使用HTML表单输入数据,然后将其创建到数据库中。
<html> <head> <title>Add New Record in MySQL Database</title> </head> <body> <?php if(isset(_POST['add'])) {dbhost = 'localhost:3036'; dbuser = 'root';dbpass = 'rootpassword'; conn = mysql_connect(dbhost, dbuser,dbpass); if(! conn ) { die('Could not connect: ' . mysql_error()); } if(! get_magic_quotes_gpc() ) {emp_name = addslashes (_POST['emp_name']);emp_address = addslashes (_POST['emp_address']); }else {emp_name = _POST['emp_name'];emp_address = _POST['emp_address']; }emp_salary = _POST['emp_salary'];sql = "INSERT INTO employee ". "(emp_name,emp_address, emp_salary, join_date) ". "VALUES('emp_name','emp_address',emp_salary, NOW())"; mysql_select_db('test_db');retval = mysql_query( sql,conn ); if(! retval ) { die('Could not enter data: ' . mysql_error()); } echo "Entered data successfully\n"; mysql_close(conn); }else { ?> <form method = "post" action = "<?php $_PHP_SELF ?>"> <table width = "400" border = "0" cellspacing = "1" cellpadding = "2"> <tr> <td width = "100">Employee Name</td> <td><input name = "emp_name" type = "text" id = "emp_name"></td> </tr> <tr> <td width = "100">Employee Address</td> <td><input name = "emp_address" type = "text" id = "emp_address"></td> </tr> <tr> <td width = "100">Employee Salary</td> <td><input name = "emp_salary" type = "text" id = "emp_salary"></td> </tr> <tr> <td width = "100"> </td> <td> </td> </tr> <tr> <td width = "100"> </td> <td> <input name = "add" type = "submit" id = "add" value = "Add Employee"> </td> </tr> </table> </form> <?php } ?> </body> </html>
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