【jQuery】添加删除记录练习 

 功能说明:
   1. 点击'Submit', 根据输入的信息在表单中生成一行员工信息
   2. 点击Delete链接, 提示删除当前行信息, 点击确定后删除信息
   技术要点:
   1. DOM查询
   2. 绑定事件监听
   3. DOM增删改
   4. 取消事件的默认行为
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>

<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>添加删除记录练习</title>
  <link rel="stylesheet" type="text/css" href="css.css"/>
</head>
<body>

<table id="employeeTable">
  <tr>
    <th>Name</th>
    <th>Email</th>
    <th>Salary</th>
    <th>&nbsp;</th>
  </tr>
  <tr>
    <td>Tom</td>
    <td>tom@tom.com</td>
    <td>5000</td>
    <td><a href="deleteEmp?id=001">Delete</a></td>
  </tr>
  <tr>
    <td>Jerry</td>
    <td>jerry@sohu.com</td>
    <td>8000</td>
    <td><a href="deleteEmp?id=002">Delete</a></td>
  </tr>
  <tr>
    <td>Bob</td>
    <td>bob@tom.com</td>
    <td>10000</td>
    <td><a href="deleteEmp?id=003">Delete</a></td>
  </tr>

</table>

<div id="formDiv">

  <h4>添加新员工</h4>

  <table>
    <tr>
      <td class="word">name:</td>
      <td class="inp">
        <input type="text" name="empName" id="empName"/>
      </td>
    </tr>
    <tr>
      <td class="word">email:</td>
      <td class="inp">
        <input type="text" name="email" id="email"/>
      </td>
    </tr>
    <tr>
      <td class="word">salary:</td>
      <td class="inp">
        <input type="text" name="salary" id="salary"/>
      </td>
    </tr>
    <tr>
      <td colspan="2" align="center">
        <button id="addEmpButton" value="abc">
          Submit
        </button>
      </td>
    </tr>
  </table>
</div>

<script src="jquery-1.10.1.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
  /*
   功能说明:
   1. 点击'Submit', 根据输入的信息在表单中生成一行员工信息
   2. 点击Delete链接, 提示删除当前行信息, 点击确定后删除信息
   技术要点:
   1. DOM查询
   2. 绑定事件监听
   3. DOM增删改
   4. 取消事件的默认行为
   */
  $(function () {
    $('#addEmpButton').click(function () {
      var $empName = $('#empName')
      var $email = $('#email')
      var $salary = $('#salary')

      var empName = $empName.val()
      var email = $empName.val()
      var salary = $empName.val()
      var id = Date.now()

      /*
       <tr>
         <td>Bob</td>
         <td>bob@tom.com</td>
         <td>10000</td>
         <td><a href="deleteEmp?id=003">Delete</a></td>
       </tr>
       */
      $('<tr></tr>')
        .append('<td>'+empName+'</td>')
        .append('<td>'+email+'</td>')
        .append('<td>'+salary+'</td>')
        .append('<td><a href="deleteEmp?id="'+id+'>Delete</a></td>')
        .appendTo('#employeeTable')
        .find('a')
　/*调用函数*/
        .click(clickA)

      $empName.val('')
      $email.val('')
      $salary.val('')

    })

/*调用函数*/
    $('a').click(clickA)

    function clickA (event) {
      event.preventDefault()
      var $tr = $(this).parent().parent()
      var name = $tr.children('td:first').html()
      if(confirm('确定删除'+name+'吗?')) {
        $tr.remove()
      }
    }

  })


</script>
</body>
</html>

 

posted @ 2019-07-16 14:22  WX1211  阅读(348)  评论(0)  编辑  收藏  举报