Ajax 向数据库修改和添加功能(较简答)

<ul id="myTab" class="nav nav-tabs">
  <li class="active" style=" font-size:30px" ><a href="#home" rel="external nofollow" data-toggle="tab"> 饭面类</a>
  </li>
  <li style=" font-size:30px"><a href="#ios" rel="external nofollow" data-toggle="tab">特色小吃</a></li>
  <li class="dropdown" style=" font-size:30px">
   <a href="#" rel="external nofollow" id="myTabDrop1" class="dropdown-toggle"data-toggle="dropdown">酒水饮品 <b class="caret"></b>
   </a>
   <ul class="dropdown-menu" role="menu" aria-labelledby="myTabDrop1" style=" font-size:25px">
    <li><a href="#jmeter" rel="external nofollow" tabindex="-1" data-toggle="tab">
     酒水</a>
    </li>
    <li><a href="#ejb" rel="external nofollow" tabindex="-1" data-toggle="tab">
     饮品</a>
    </li>
   </ul>
  </li>
</ul>

<p id="mian"> 
</p>

$.ajax({
 url:"mianlei.php", //编写处理页面
 dataType:"TEXT",
 success: function(d){
  var hang = d.split("|"); //拆分字符“|”串：显示行
  var str = "";
  for(var i=0;i<hang.length;i  )
  {
   var lie = hang[i].split("^"); //拆分字符串“^”:显示列
   str  = "<input type='button' value='" lie[2] "' class='aa1' code='" lie[1] "' data-toggle='modal' data-target='#myModal'/> ";
  }
 　　$("#mian").html(str); //把遍历的内容写在上面的     
  }
}) 

<?php
include("DBDA.php"); //调用封装好的数据库类
$db = new DBDA(); 
$sql = "select * from caidan where fcode =('1101')"; //查询符合父级号的所有信息
echo $db->StrQuery($sql); //输出结果

<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  <div class="modal-dialog">
   <div class="modal-content">
    <div class="modal-header">
      <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
      <h4 class="modal-title" id="myModalLabel">修改</h4>
   　　　</div>
   　　 <div class="modal-body" id="content">
     <!--这里是显示的修改的内容-->
   　　 </div>
   　　　<div class="modal-footer">
    　　<button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
    　　<button type="button" class="btn btn-primary" id="tijiao">提交</button>
   　　　</div>
   </div><!-- /.modal-content -->
  </div><!-- /.modal -->
</div>　　

$(".aa1").click(function(){
 var code = $(this).attr("code"); //找到code值
 $.ajax({
  url:"xiugaichuli.php", //编写处理页面
  data:{c:code}, //将code值传过去
  type:"POST",
  dataType:"TEXT",
  success: function(d){
   var hang = d.split("|"); //拆分字符“|”串：显示行
   var str = "";
   for(var i=0;i<hang.length;i  )
   {
    var lie = hang[i].split("^"); //拆分字符串“^”:显示列
    str  = "<div>名称：<input type='text' value='" lie[2] "' code='" lie[1] "' class='name' /></div><br /><div>价格：<input type='text' value='" lie[0] "' code='" lie[1] "' class='price' /></div>";
   }
   $("#content").html(str); //写入模态框中的content的位置
     }
 })
})

$("#tijiao").click(function(){
 var code = $(".name").attr("code"); //找到名称中的代号
 var code = $(".price").attr("code"); //找到价格的代号
 var name = $(".name").val(); //找到名称的值
 var price = $(".price").val(); //找到价格的值
 $.ajax({
  url:"tjsk.php", //处理页面的编写
  data:{n:name,p:price,c:code}, //将值传到处理页面
  type:"POST",
  dataType:"TEXT",
  success: function(data){ ///处理页面成功后输出
   if(data.trim()=="ok")
   {
   　　alert("修改成功！");
   }
  }
 })
})

<div id="tianjia" data-toggle='modal' data-target='#myModall'>添加菜品</div>
<div class="modal-content">
  <div class="modal-header">
   <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
   <h4 class="modal-title" id="myModalLabel">添加菜品</h4>
  </div>
  <div class="modal-body" id="content">
   <div id="name">名称：<input type="text" id="ming"/></div>
   <br />
  <div id="price">价格：<input type="text" id="jia"/></div>
  </div>
  <div class="modal-footer">
   <button type="button" class="btn btn-primary" id="tijiao1">提交</button>
  </div>
</div>

$("#tijiao1").click(function(){
 var n = $("#ming").val(); //找到名称文本框的值
 j = $("#jia").val(); //找到价格文本框的值
 $.ajax({
  url:"tianjia.php", //编写处理页面
  data:{n:n,j:j}, //将值传过去
  type:"POST",
  dataType:"TEXT",
  success: function(d){
   if(d.trim()=="ok")
   {
   　　alert ("添加成功！");
   }
  　　　window.location.href="xiugaicanpin.php" rel="external nofollow" ;
  } 
　　　　}) 
})  

<?php
 include("DBDA.php");
 $db = new DBDA();
 $n = $_POST["n"]; //将传来的值接收
 $j = $_POST["j"];
 $sql = " select max(code) from caidan where fcode='1101' "; //查找这个父级代号的最大代号
 $attr = $db->Query($sql);
 foreach($attr as $v)
 {
  $c = $v[0] 1; //使最大值加1
  $sqll = " insert into caidan values('{$j}','{$c}','{$n}','1101','','','')"; //写入数据库
  $db->Query($sqll,0);
  echo "ok";
 }
?>