ตัวอย่างโค้ดต่อไปนี้ เป็นแนวทางการใช้งาน jQuery ajax กับการจัดการข้อมูลในฐานข้อมูล
ไม่ได้ครอบคลุมถึง การตรวจสอบข้อมูลทั้งหมด
1 2 3 4 5 6 | CREATE TABLE `tbl_member` ( `member_id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY , `member_name` VARCHAR ( 255 ) NOT NULL , `member_password` VARCHAR ( 255 ) NOT NULL , `member_fullname` VARCHAR ( 255 ) NOT NULL , `member_type` VARCHAR ( 255 ) NOT NULL ) ENGINE = MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci; |
ไฟล์ ajax_simple.php
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" <head> <meta http-equiv= "Content-Type" content= "text/html; charset=utf-8" /> <title>ajax simple all in one file</title> <style type= "text/css" > *{ font-family:tahoma, "Microsoft Sans Serif" , Verdana; font-size:12px; } </style> <style type= "text/css" > .browse_page{ clear:both; margin-left:12px; height:35px; margin-top:5px; display:block; } .browse_page a,.browse_page a:hover{ display:block; height:18px; width:18px; font-size:10px; float:left; margin-right:2px; border:1px solid #CCCCCC; background-color:#F4F4F4; color:#333333; text-align:center; line-height:18px; font-weight:bold; text-decoration:none; } .browse_page a:hover{ border:1px solid #0A85CB; background-color:#0A85CB; color:#FFFFFF; } .browse_page a.selectPage{ display:block; height:18px; width:18px; font-size:10px; float:left; margin-right:2px; border:1px solid #0A85CB; background-color:#0A85CB; color:#FFFFFF; text-align:center; line-height:18px; font-weight:bold; } .browse_page a.SpaceC{ display:block; height:18px; width:18px; font-size:10px; float:left; margin-right:2px; border:0px dotted #0A85CB; font-size:11px; background-color:#FFFFFF; color:#333333; text-align:center; line-height:18px; font-weight:bold; } .browse_page a.naviPN{ width:50px; font-size:12px; display:block; height:18px; float:left; border:1px solid #0A85CB; background-color:#0A85CB; color:#FFFFFF; text-align:center; line-height:18px; font-weight:bold; } </style> </head> <body> <div style= " text-align:center;margin:auto;width:80%;" > <form id= "form_member" name= "form_member" method= "post" action= "" > <table width= "500" border= "0" cellspacing= "2" cellpadding= "0" > <tr> <td width= "100" align= "right" > </td> <td> </td> </tr> <tr> <td align= "right" >ชื่อผู้ใข้</td> <td align= "left" ><input name= "member_name" type= "text" id= "member_name" size= "45" /></td> </tr> <tr> <td align= "right" >รหัสผ่าน</td> <td align= "left" ><input name= "member_password" type= "text" id= "member_password" size= "45" /></td> </tr> <tr> <td align= "right" >ชื่อ นามสกุล</td> <td align= "left" ><input name= "member_fullname" type= "text" id= "member_fullname" size= "45" /></td> </tr> <tr> <td align= "right" >ประเภท</td> <td align= "left" ><select name= "member_type" id= "member_type" > <option value= "" >เลือกประเภท</option> <option value= "1" >ประเภทที่ 1</option> <option value= "2" >ประเภทที่ 2</option> </select></td> </tr> <tr> <td align= "right" > </td> <td align= "left" ><input type= "button" name= "save" id= "save" value= "Save" /> <input type= "button" name= "cancel" id= "cancel" value= "Cancel" /> <input name= "h_member_id" type= "hidden" id= "h_member_id" value= "" /></td> </tr> <tr> <td align= "right" > </td> <td align= "left" > </td> </tr> </table> </form> <div id= "showData" style= "margin:auto;padding:10px;text-align:center;" > </div> </div> <!--<script type= "text/javascript" src= "../js/jquery-1.4.2.min.js" ></script>--> <script type= "text/javascript" > $( function (){ $( "#showData" ).load( "ajax_data.php" ); $( "#save" ).click( function (){ $.post( "ajax_data.php?method=insert" ,$( "#form_member" ).serialize(), function (){ $( "#showData" ).load( "ajax_data.php" ); $( "#form_member" )[0].reset(); }); }); $( "#cancel" ).click( function (){ $( "#form_member" )[0].reset(); }); $( ".browse_page a" ).live( "click" , function (event){ event.preventDefault(); var url=$(this).attr( "href" ); // แสดงแบบปกติ $( "#showData" ).load(url, function (){ }); //// แสดงแบบ effect สามารถประยุกต์ effect หรือลูกเล่นอื่นๆ ตามต้องการ // $("#showData").animate({ // opacity:0 // },100,function(){ // $("#showData").load(url,function(){ // $("#showData").animate({ // opacity:1 // },200); // }); // }); return false; }); $( ".delItem" ).live( "click" , function (event){ event.preventDefault(); var idMember=$(this).attr( "href" ); idMember=idMember.replace( "#" , "" ); $(this).parent( "td" ).parent( "tr" ).fadeOut(); $.post( "ajax_data.php?method=delete" ,{id:idMember}, function (){ $( "#showData" ).load( "ajax_data.php" ); }); }); $( ".updateItem" ).live( "click" , function (event){ event.preventDefault(); var idMember=$(this).attr( "href" ); idMember=idMember.replace( "#" , "" ); $.post( "ajax_data.php?method=getupdate" ,{id:idMember}, function (data){ var returnData=data.split( "|" ); $( "#h_member_id" ).val(returnData[0]); $( "#member_name" ).val(returnData[1]); $( "#member_password" ).val(returnData[2]); $( "#member_fullname" ).val(returnData[3]); $( "#member_type" ).val(returnData[4]); }); }); }); </script> </body> </html> |
ไฟล์ ajax_data.php
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | <?php header( "Content-type:text/html; charset=UTF-8" ); header( "Cache-Control: no-store, no-cache, must-revalidate" ); header( "Cache-Control: post-check=0, pre-check=0" , false); mysql_connect( "localhost" , "root" , "test" ) or die ( "Cannot connect the Server" ); mysql_select_db( "test" ) or die ( "Cannot select database" ); mysql_query( "set character set utf8" ); ?> <?php // สร้างฟังก์ชั่น สำหรับแสดงการแบ่งหน้า function page_navigator( $before_p , $plus_p , $total , $total_p , $chk_page ){ global $e_page ; global $querystr ; $urlfile = "ajax_data.php" ; // ส่วนของไฟล์เรียกใช้งาน ด้วย ajax (ajax_dat.php) $per_page =10; $num_per_page = floor ( $chk_page / $per_page ); $total_end_p =( $num_per_page +1)* $per_page ; $total_start_p = $total_end_p - $per_page ; $pPrev = $chk_page -1; $pPrev =( $pPrev >=0)? $pPrev :0; $pNext = $chk_page +1; $pNext =( $pNext >= $total_p )? $total_p -1: $pNext ; $lt_page = $total_p -4; if ( $chk_page >0){ echo "<a href='$urlfile?s_page=$pPrev&querystr=" . $querystr . "' class='naviPN'>Prev</a>" ; } for ( $i = $total_start_p ; $i < $total_end_p ; $i ++){ $nClass =( $chk_page == $i )? "class='selectPage'" : "" ; if ( $e_page * $i <= $total ){ echo "<a href='$urlfile?s_page=$i&querystr=" . $querystr . "' $nClass >" . intval ( $i +1). "</a> " ; } } if ( $chk_page < $total_p -1){ echo "<a href='$urlfile?s_page=$pNext&querystr=" . $querystr . "' class='naviPN'>Next</a>" ; } } ?> <?php // ส่วนของการเพิ่ม ลบ แก้ไข ข้อมูล if ( $_GET [ 'method' ]== "insert" ){ if ( $_POST [ 'h_member_id' ]!= "" ){ $q = "UPDATE `tbl_member` SET `member_name` = '" . $_POST ['member_name ']."' , `member_password` = '".$_POST[' member_password ']."' , `member_fullname` = '".$_POST[' member_fullname ']."' , `member_type` = '".$_POST[' member_type ']."' WHERE `tbl_member`.`member_id` = '".$_POST[' h_member_id ']."' "; } else { $q ="INSERT INTO `tbl_member` ( `member_id` , `member_name` , `member_password` , `member_fullname` , `member_type` ) VALUES ( NULL , '".$_POST[' member_name ']."' , '".$_POST[' member_password ']."' , '".$_POST[' member_fullname ']."' , '".$_POST[' member_type ']."' );"; } mysql_query( $q ); } if ( $_GET [ 'method' ]== "delete" ){ $q = "DELETE FROM tbl_member WHERE member_id='" . $_POST ['id ']."' "; mysql_query( $q ); exit ; } if ( $_GET [ 'method' ]== "getupdate" ){ $q = "SELECT * FROM tbl_member WHERE member_id='" . $_POST ['id ']."' "; $qr =mysql_query( $q ); $rs =mysql_fetch_array( $qr ); echo $rs [ 'member_id' ]. "|" ; echo $rs [ 'member_name' ]. "|" ; echo $rs [ 'member_password' ]. "|" ; echo $rs [ 'member_fullname' ]. "|" ; echo $rs [ 'member_type' ]; exit ; } ?> <?php //////////////////////////////////////// เริ่มต้น ส่วนเนื้อหาที่จะนำไปใช้ในไฟล์ ที่เรียกใช้ด้วย ajax ?> <?php $q = "select * from tbl_member where 1" ; $q .= " ORDER BY member_id DESC " ; $qr =mysql_query( $q ); $total =mysql_num_rows( $qr ); $e_page =5; // กำหนด จำนวนรายการที่แสดงในแต่ละหน้า if (!isset( $_GET [ 's_page' ])){ $_GET [ 's_page' ]=0; } else { $chk_page = $_GET [ 's_page' ]; $_GET [ 's_page' ]= $_GET [ 's_page' ]* $e_page ; } $q .= " LIMIT " . $_GET [ 's_page' ]. ",$e_page" ; $qr =mysql_query( $q ); if (mysql_num_rows( $qr )>=1){ $plus_p =( $chk_page * $e_page )+mysql_num_rows( $qr ); } else { $plus_p =( $chk_page * $e_page ); } $total_p = ceil ( $total / $e_page ); $before_p =( $chk_page * $e_page )+1; ?> <?php $arr_typemember = array ( "1" => "ประเภทที่ 1" , "2" => "ประเภทที่ 2" ); ?> <table width= "500" border= "0" cellspacing= "0" cellpadding= "0" > <tr> <td width= "35" height= "20" align= "center" bgcolor= "#CCCCCC" >#</td> <td height= "20" align= "center" bgcolor= "#CCCCCC" >ชื่อ นามสกุล</td> <td width= "150" height= "20" align= "center" bgcolor= "#CCCCCC" >ประเภท</td> <td height= "20" colspan= "2" align= "center" bgcolor= "#CCCCCC" >จัดการ</td> </tr> <?php $i =1; while ( $rs =mysql_fetch_array( $qr )){ ?> <tr> <td height= "20" align= "center" ><?=( $chk_page * $e_page )+ $i ?></td> <td height= "20" align= "left" > <?= $rs [ 'member_fullname' ]?></td> <td height= "20" align= "center" > <?= $arr_typemember [ $rs [ 'member_type' ]]?></td> <td width= "45" height= "20" align= "center" ><a href= "#<?=$rs['member_id']?>" class = "updateItem" >แก้ไข</a></td> <td width= "45" height= "20" align= "center" ><a href= "#<?=$rs['member_id']?>" class = "delItem" >ลบ</a></td> </tr> <?php $i ++; } ?> </table> <?php if ( $total >0){ ?> <div class = "browse_page" > <?php // เรียกใช้งานฟังก์ชั่น สำหรับแสดงการแบ่งหน้า page_navigator( $before_p , $plus_p , $total , $total_p , $chk_page ); ?> </div> <?php } ?> <?php //////////////////////////////////////////// จบ ส่วนเนื้อหาที่จะนำไปใช้ในไฟล์ ที่เรียกใช้ด้วย ajax ?> |
ดาวน์โหลด 2 ไฟล์ php ตัวอย่างข้างต้นได้ที่
https://www.ninenik.com/download/ajax_simple.rar