先来看看运行效果：
具体代码如下：
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title> 脚本之家</title> <style> * { padding: 0; margin: 0; } .wrap { width: 410px; margin: 100px auto 0; } table { border-collapse: collapse; border-spacing: 0; border: 1px solid #c0c0c0; } th, td { border: 1px solid #d0d0d0; color: #404060; padding: 10px; } th { background-color: #09c; font: bold 16px "微软雅黑"; color: #fff; } td { font: 14px "微软雅黑"; } td a.get { text-decoration: none; } a.del:hover { text-decoration: underline; } tbody tr { background-color: #f0f0f0; } tbody tr:hover { cursor: pointer; background-color: #fafafa; } .btnAdd { width: 110px; height: 30px; font-size: 20px; font-weight: bold; } .form-item { height: 100%; position: relative; padding-left: 100px; padding-right: 20px; margin-bottom: 34px; line-height: 36px; } .form-item > .lb { position: absolute; left: 0; top: 0; display: block; width: 100px; text-align: right; } .form-item > .txt { width: 300px; height: 32px; } .mask { position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; background: #000; opacity: 0.15; display: none; } .form-add { position: fixed; top: 30%; left: 50%; margin-left: -197px; padding-bottom: 20px; background: #fff; display: none; } .form-add-title { background-color: #f7f7f7; border-width: 1px 1px 0 1px; border-bottom: 0; margin-bottom: 15px; position: relative; } .form-add-title span { width: auto; height: 18px; font-size: 16px; font-family: 宋体; font-weight: bold; color: rgb(102, 102, 102); text-indent: 12px; padding: 8px 0px 10px; margin-right: 10px; display: block; overflow: hidden; text-align: left; } .form-add-title div { width: 16px; height: 20px; position: absolute; right: 10px; top: 6px; font-size: 30px; line-height: 16px; cursor: pointer; } .form-submit { text-align: center; } .form-submit input { width: 170px; height: 32px; } </style> </head> <body> <div> <div> <input type="button" value="添加数据"/> </div> <table> <thead> <tr> <!-- <th><input type="checkbox" /></th> --> <th>课程名称</th> <th>所属学院</th> <th>已学会</th> </tr> </thead> <tbody> <tr> <!-- <td><input type="checkbox"/></td> --> <td>JavaScript</td> <td>前端与移动开发学院</td> <td><a href="https://www.jb51.net/javascrip:;">GET</a></td> </tr> <tr> <!-- <td><input type="checkbox"/></td> --> <td>css</td> <td>前端与移动开发学院</td> <td><a href="https://www.jb51.net/javascrip:;">GET</a></td> </tr> <tr> <!-- <td><input type="checkbox"/></td> --> <td>html</td> <td>前端与移动开发学院</td> <td><a href="https://www.jb51.net/javascrip:;">GET</a></td> </tr> <tr> <!-- <td><input type="checkbox"/></td> --> <td>jQuery</td> <td>前端与移动开发学院</td> <td><a href="https://www.jb51.net/javascrip:;">GET</a></td> </tr> </tbody> </table> </div> <div></div> <div> <div> <span>添加数据</span> <div>x</div> </div> <div> <label for="j_txtLesson">课程名称：</label> <input type="text" placeholder="请输入课程名称"> </div> <div> <label for="j_txtBelSch">所属学院：</label> <input type="text" value="前端与移动开发学院"> </div> <div> <input type="button" value="添加"> </div> </div> <script src="https://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script> <script> $(document).ready(function () { $("#j_btnAddData").click(function () { $("#j_mask").show(); $("#j_formAdd").show(); $("#j_txtLesson").val(""); $("#j_txtBelSch").val("前端开发学院"); }); $("#j_hideFormAdd").click(function () { $("#j_mask").hide(); $("#j_formAdd").hide(); }); $("#j_btnAdd").click(function () { var txtLesson = $("#j_txtLesson").val(); var txtBelSch = $("#j_txtBelSch").val(); if (txtLesson == "" || txtBelSch == "") { alert("课程名或者所属学院不能为空"); return; } var str = '<tr>' + '<td>' + txtLesson + '</td>' + '<td>' + txtBelSch + '</td>' + '<td><a href="https://www.jb51.net/javascrip:;">GET</a></td>' + '</tr>'; $("#j_tb").append(str); $("#j_mask").hide(); $("#j_formAdd").hide(); }); $("#j_tb").on("click",".get",function(){ $(this).parent().parent().remove(); }); }); </script> </body> </html>