jQuery动态生成表格及右键菜单功能示例

fancy0

2017-01-13

本文实例讲述了jQuery动态生成表格及右键菜单功能。分享给大家供大家参考，具体如下：

这里用的是 jquery 1.4.1 的库文件，具体代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>无标题页</title>
  <script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
  <script type="text/javascript">
    var id = 0;
    function addInfo() {
      var cpu = document.getElementById("txtCpu");
      var zhuban = document.getElementById("txtZhuban");
      var neicun = document.getElementById("txtNeicun");
      var yingpan = document.getElementById("txtYingpan");
      var tb = document.getElementById("tbAdd");
      //alert("数据插入成功！");
      var tr = tb.insertRow();
      var td0 = tr.insertCell();
      td0.innerHTML = id;
      var td1 = tr.insertCell();
      td1.innerHTML = cpu.value;
      var td2 = tr.insertCell();
      td2.innerHTML = zhuban.value;
      var td3 = tr.insertCell();
      td3.innerHTML = neicun.value;
      var td4 = tr.insertCell();
      td4.innerHTML = yingpan.value;
      id++;
      $("#tbAdd").append(tr);
    }
    $(function () {
      var clickedTrIndex = -1;
      $("#addForm>input[type=button]")
        .live("click", function () {
          $("#tbAdd tr:has(td):even").css("background", "#ebebeb");
        });
      //绑定鼠标移入移出事件到表格的行
      $("#tbAdd tr:has(td)")
        .live("mouseover", function () {
          $(this).css("cursor", "pointer").css("background", "#bcc7d8");
        })
        .live("mouseleave", function () {
          var trIndex = $(this).index();
          if (trIndex % 2 == 0) {
            $(this).css("background", "#ebebeb");
          }
          else {
            $(this).css("background", "");
          }
        })
        .live("mousedown", function (event) {
          if (event.button == 2) {
            x = event.clientX;
            y = event.clientY;
            $("#contextMenu").css("display", "block").css("left", x).css("top", y);
            clickedTrIndex = $(this).index();
          }
        });
      $("#contextMenu")
        .mouseover(function () {
          $(this).css("cursor", "pointer");
        });
      $("body")
        .live("mouseup", function (event) {
          if (event.button == 0) {
            $("#contextMenu").css("display", "none");
          }
        });
      $("#contextMenu li")
        .mouseover(function () {
          $(this).css("background", "#C1D7EE");
        })
        .mouseout(function () {
          $(this).css("background", "");
        })
        .click(function () {
          var deleteStr = $(this).children("a").attr("title");
          if (deleteStr == "delete") {
            $("#tbAdd tr:has(td):eq(" + clickedTrIndex + ")").remove();
          }
          else {
            alert("按下了：" + deleteStr);
          }
        });
    });
  </script>
  <style type="text/css">
    #tbAdd{ 
    }
    #tbAdd tr td{ height:30px;
           text-align:center;
    }
    #tbAdd thead tr th{ width:90px;
              height:30px;
              text-align:center;
    }
    #addForm input[type=text]{ margin-bottom:8px;
                  width:150px;
    }
    #contextMenu{ width:150px;
           padding:5px 0px 5px 5px;
           line-height:24px;
           background-color:#F0F0F0;
           position:absolute;
           display:none;
    }
    #contextMenu ul{ margin:0px;
    }
    #contextMenu li{ margin:0px;
             margin-left:-15px;
             float:left;
             width:100%;
             list-style-type:none;
    }
    #contextMenu li a{ text-decoration:none;
              padding:5px 0px 5px 12px;
              display:block;
              color:#282828;
    }
  </style>
</head>
<body onContextmenu="return false;">
<div>
  <table id="tbAdd" cellpadding="0" cellspacing="0" border="1" style="border-collapse:collapse;">
    <thead>
      <tr>
        <th>编号</th><th>CPU</th><th>主板</th><th>内存</th><th>硬盘</th>
      </tr>
    </thead>
  </table>
  <br />
  <div id="addForm">
    <span>CPU：</span><input type="text" id="txtCpu" /><br />
    <span>主板：</span><input type="text" id="txtZhuban" /><br />
    <span>内存：</span><input type="text" id="txtNeicun" /><br />
    <span>硬盘：</span><input type="text" id="txtYingpan" /><br />
    <input type="button" value="添加信息" onclick="addInfo()" /><br />
  </div>
  <div id="contextMenu">
    <ul>
      <li><a href="#" title="add">添加信息</a></li>
      <li><a href="#" title="delete">删除信息</a></li>
      <li><a href="#" title="modify">修改信息</a></li>
      <li><a href="#" title="save">保存信息</a></li>
    </ul>
  </div>
</div>
</body>
</html>

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希望本文所述对大家jQuery程序设计有所帮助。

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