840~843 隔行换色、全选全不选、表情选择、下拉列表左右移动

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1.隔行换色
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <script  src="../js/jquery-3.3.1.min.js"></script>
         
        <script>
            //需求：将数据行的奇数行背景色设置为 pink，偶数行背景色设置为 yellow
            $(function () {
                //1. 获取数据行的奇数行的tr，设置背景色为pink
                $("tr:gt(1):odd").css("backgroundColor","pink");
                //2. 获取数据行的偶数行的tr,设置背景色为yellow
                $("tr:gt(1):even").css("backgroundColor","yellow");
            });
        </script>
    </head>
    <body>
        <table id="tab1" border="1" width="800" align="center" >
            <tr>
                <td colspan="5"><input type="button" value="删除"></td>
            </tr>
            <tr style="background-color: #999999;">
                <th><input type="checkbox"></th>
                <th>分类ID</th>
                <th>分类名称</th>
                <th>分类描述</th>
                <th>操作</th>
            </tr>
            <tr>
                <td><input type="checkbox"></td>
                <td>0</td>
                <td>手机数码</td>
                <td>手机数码类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
            <tr>
                <td><input type="checkbox"></td>
                <td>1</td>
                <td>电脑办公</td>
                <td>电脑办公类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
            <tr>
                <td><input type="checkbox"></td>
                <td>2</td>
                <td>鞋靴箱包</td>
                <td>鞋靴箱包类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
            <tr>
                <td><input type="checkbox"></td>
                <td>3</td>
                <td>家居饰品</td>
                <td>家居饰品类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
        </table>
    </body>
</html>

 

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2.全选全不选
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <title>QQ表情选择</title>
     <script  src="../js/jquery-3.3.1.min.js"></script>
    <style type="text/css">
    *{margin: 0;padding: 0;list-style: none;}
 
    .emoji{margin:50px;}
    ul{overflow: hidden;}
    li{float: left;width: 48px;height: 48px;cursor: pointer;}
    .emoji img{ cursor: pointer; }
    </style>
    <script>
        //需求：点击qq表情，将其追加到发言框中
        $(function () {
            //1.给img图片添加onclick事件
            $("ul img").click(function(){
                //2.追加到p标签中即可。
                $(".word").append($(this).clone());
            });
 
        });
    </script>
</head>
<body>
    <div class="emoji">
        <ul>
            <li><img src="img/01.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/02.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/03.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/04.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/05.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/06.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/07.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/08.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/09.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/10.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/11.gif" height="22" width="22" alt="" /></li>
            <li><img src="img/12.gif" height="22" width="22" alt="" /></li>
        </ul>
        <p class="word">
            <strong>请发言：</strong>
            <img src="img/12.gif" height="22" width="22" alt="" />
        </p>
    </div>
</body>
</html>

 

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3.表情选择
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <script  src="../js/jquery-3.3.1.min.js"></script>
        <script>
            //分析：需要保证下边的选中状态和第一个复选框的选中状态一致即可
 
            function selectAll(obj){
                //获取下边的复选框
                $(".itemSelect").prop("checked",obj.checked);
            }
 
        </script>
    </head>
    <body>
        <table id="tab1" border="1" width="800" align="center" >
            <tr>
                <td colspan="5"><input type="button" value="删除"></td>
            </tr>
            <tr>
                <th><input type="checkbox" onclick="selectAll(this)" ></th>
                <th>分类ID</th>
                <th>分类名称</th>
                <th>分类描述</th>
                <th>操作</th>
            </tr>
            <tr>
                <td><input type="checkbox" class="itemSelect"></td>
                <td>1</td>
                <td>手机数码</td>
                <td>手机数码类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
            <tr>
                <td><input type="checkbox" class="itemSelect"></td>
                <td>2</td>
                <td>电脑办公</td>
                <td>电脑办公类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
            <tr>
                <td><input type="checkbox" class="itemSelect"></td>
                <td>3</td>
                <td>鞋靴箱包</td>
                <td>鞋靴箱包类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
            <tr>
                <td><input type="checkbox" class="itemSelect"></td>
                <td>4</td>
                <td>家居饰品</td>
                <td>家居饰品类商品</td>
                <td><a href="">修改</a>|<a href="">删除</a></td>
            </tr>
        </table>
    </body>
</html>
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4.下拉列表左右移动
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <script  src="../js/jquery-3.3.1.min.js"></script>
        <style>
            #leftName , #btn,#rightName{
                float: left;
                width: 100px;
                height: 300px;
            }
            #toRight,#toLeft{
                margin-top:100px ;
                margin-left:30px;
                width: 50px;
            }
            .border{
                height: 500px;
                padding: 100px;
            }
        </style>
        <script>
            //需求：实现下拉列表选中条目左右选择功能           
            $(function () {
                //toRight
                $("#toRight").click(function () {
                    //获取右边的下拉列表对象，append(左边下拉列表选中的option)
                    $("#rightName").append($("#leftName > option:selected"));
                });
                //toLeft
                $("#toLeft").click(function () {
                    //appendTo   获取右边选中的option，将其移动到左边下拉列表中
                    $("#rightName > option:selected").appendTo($("#leftName"));
                });
            });           
        </script>
    </head>
    <body>
        <div class="border">
            <select id="leftName" multiple="multiple">
                <option>张三</option>
                <option>李四</option>
                <option>王五</option>
                <option>赵六</option>
            </select>
            <div id="btn">
                <input type="button" id="toRight" value="-->"><br>
                <input type="button" id="toLeft" value="<--">
 
            </div>
 
            <select id="rightName" multiple="multiple">
                <option>钱七</option>
            </select>
 
        </div>
    </body>
</html>

 

posted @   ja不会va  阅读(17)  评论(0)  编辑  收藏  举报
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