jQuery对表格的操作及其他应用

时间：2023-03-09 17:08:25
jQuery对表格的操作及其他应用

表格操作

　　1.隔行变色：对普通表格进行隔行换色；单击显示高亮样式；复选框选中高亮

<!DOCTYPE html>

<html>

<head>

    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />

    <script type="text/javascript" src="../js/jquery-3.1.0.min.js"></script>

    <title>表格应用--隔行/选中变色</title>

    <style type="text/css">

        .tble{

            border: 1px solid red;

        }

        /*偶数行样式*/

        .even{

            background: red;

        }

        /*奇数行样式*/

        .odd{

            background: yellow;

        }

        .selected{

            background: red;

        }

    </style>

    </head>

    <body>

        <table class="tble">

            <thead>

                <tr><th><input type="checkbox" id="CheckedAll"/></th><th>姓名</th><th>姓别</th><th>暂住地</th></tr>

            </thead>

            <tbody>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>李四</td><td>男</td><td>浙江杭州</td></tr>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>李四</td><td>男</td><td>浙江杭州</td></tr>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>李四</td><td>男</td><td>浙江杭州</td></tr>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>李四</td><td>男</td><td>浙江杭州</td></tr>

                <tr><td><input type="checkbox" id="checkOne" /></td><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

            </tbody>

        </table>

        <script type="text/javascript">

            $(function(){

                //1.普通隔行换色，从表头开始算起

                $("tr:odd").addClass("odd"); //给奇数行添加样式

                $("tr:even").addClass("even"); //给偶数行添加样式

                //2.给tbody中添加隔行换色

                $("tbody>tr:odd").addClass("odd"); //给tbody中奇数行添加样式

                $("tbody>tr:even").addClass("even"); //给tbody中偶数行添加样式

                //3.单选控制表格行高亮

                $("tbody>tr").click(function(){

                    $(this).addClass('selected').siblings().removeClass('selected').end().find(':radio').attr('checked',true);

                })

                //4.复选框高亮样式

                $('tbody>tr').click(function(){

                    if($(this).hasClass('selected')){

                        $(this).removeClass('selected').find(':checkbox').attr('checked',false);

                    }else{

                        $(this).addClass('selected').find(':checkbox').attr('checked',true);

                    }

                })

            })

        </script>

    </body>

</html>

如果需要查看网页显示效果，复制粘贴代码运行就可以

　　2.表格展开关闭

<!DOCTYPE html>

<head>

    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />

    <script type="text/javascript" src="../js/jquery-3.1.0.min.js"></script>

    <title>表格应用--表格展开关闭</title>

    <style type="text/css">

        .tble{

            border: 1px solid red;

        }

        /*偶数行样式*/

        .even{

            background: red;

        }

        /*奇数行样式*/

        .odd{

            background: yellow;

        }

        .selected{

            background: red;

        }

        .parent{

            background: #CCCCCC;

        }

    </style>

    </head>

    <body>

        <table class="tble">

            <thead>

                <tr><th></th><th>姓名</th><th>姓别</th><th>暂住地</th></tr>

            </thead>

            <tbody>

                <tr class="parent" id="row_01"><td colspan="">前台设计组</td></tr>

                <tr class="child_row_01"><td></td><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

                <tr class="child_row_01"><td></td><td>李四</td><td>男</td><td>浙江杭州</td></tr>

                <tr class="parent" id="row_02"><td colspan="">前台开发组</td></tr>

                <tr class="child_row_02"><td></td><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

                <tr class="child_row_02"><td></td><td>李四</td><td>男</td><td>浙江杭州</td></tr>

                <tr class="parent" id="row_03"><td colspan="">后台开发组</td></tr>

                <tr class="child_row_03"><td></td><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

                <tr class="child_row_03"><td></td><td>李四</td><td>男</td><td>浙江杭州</td></tr>

            </tbody>

        </table>

        <script type="text/javascript">

            $(function(){

                $('tr.parent').click(function(){   // 获取所谓的父行

                    $(this)

                        .toggleClass("selected")   // 添加/删除高亮

                     .siblings('.child_'+this.id).toggle();  // 隐藏/显示所谓的子行

                    });

            })

        </script>

    </body>

</html>

网页显示效果：

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" alt="" />

　　3.表格内容筛选：使用filter()筛选方法

<!DOCTYPE html>

<html>

<head>

    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />

    <script type="text/javascript" src="../js/jquery-1.4.4.min.js"></script>

    <title>表格应用--表格内容筛选</title>

</head>

<body>

    <div>

        <br/>

        筛选：<input id="filterName" /><br/>

    </div>

    <table>

        <thead>

            <tr><th>姓名</th><th>性别</th><th>暂住地</th></tr>

        </thead>

        <tbody>

            <tr><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

            <tr><td>李四</td><td>男</td><td>浙江杭州</td></tr>

            <tr><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

            <tr><td>李四</td><td>男</td><td>浙江杭州</td></tr>

            <tr><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

            <tr><td>李四</td><td>男</td><td>浙江杭州</td></tr>

            <tr><td>李四</td><td>男</td><td>浙江杭州</td></tr>

            <tr><td>张珊</td><td>女</td><td>浙江宁波</td></tr>

        </tbody>

        <script type="text/javascript">

              $(function(){

                  //使用filter()筛选方法

                   $("#filterName").keyup(function(){  //为文本框绑定keyup事件

                      $("table tbody tr").hide().filter(":contains('"+( $(this).val() )+"')").show();

                   }).keyup();  //DOM加载完成时，绑定事件完成后立即触发

              })

        </script>

    </table>

</body>

</html>

网页显示效果：

aaarticlea/png;base64,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" alt="" />

　其他应用

　　1.网页字体大小：网站中经常有“放大”和“缩小”字号的控制，单击他们，控制字体呈现不同大小的效果

<!DOCTYPE html>

<html>

<head>

    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />

    <script type="text/javascript" src="../js/jquery-3.1.0.min.js"></script>

    <title>其他应用--字体放大缩小</title>

    </head>

    <body>

        <form>

            <div class="msg">

                <div class="msg_caption">

                    <span class="bigger">放大</span>

                    <span class="smaller">缩小</span>

                </div>

                <div>

                    <p id="para">多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。多行文本框高度变化。</p>

                </div>

            </div>

        </form>

        <script type="text/javascript">

            $(function(){

                //无限放大 缩小字体

                $("span").click(function(){  //为span元素绑定单击事件

                    var thisEle = $("#para").css("font-size"); //获取id为para的字体大小。获取的值是将返回的数字和单位

                    var textFontSize = parseInt(thisEle,); //parseInt()方法转换，去掉单位

                    var unit = thisEle.slice(-);  //获取单位，slice()返回字符串中从指定的字符开始的一个字符串

                    var cName = $(this).attr("class");

                    if(cName=="bigger"){

                        textFontSize +=

                    }else{

                        textFontSize -= ;

                    }

                    $("#para").css("font-size",textFontSize + unit); //再次获取“para”元素，并为他的font-size属性赋新值（textFontSize），并拼接上单位

                })

                //上面方法是无限放大，无限缩小，如果不合适，则设置最大字体和最小字体

                $("span").click(function(){  //为span元素绑定单击事件

                    var thisEle = $("#para").css("font-size"); //获取id为para的字体大小。获取的值是将返回的数字和单位

                    var textFontSize = parseInt(thisEle,); //parseInt()方法转换，去掉单位

                    var unit = thisEle.slice(-);  //获取单位，slice()返回字符串中从指定的字符开始的一个字符串

                    var cName = $(this).attr("class");

                    if(cName == "bigger"){

                            if(textFontSize <= ){

                                textFontSize += ;

                            }

                        }else if(cName == "smaller"){

                            if(textFontSize >= ){

                                textFontSize -= ;

                            }

                        }

                        $("#para").css("font-size",textFontSize + unit);

                })

            })

        </script>

    </body>

</html>

网页显示效果：两种不同的显示效果，第一种无限放大缩小；第二种控制最大最小字号进行显示

　　2.网页选项卡：通过隐藏和显示来切换不同内容

<!DOCTYPE html>

<html>

<head>

    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />

    <script type="text/javascript" src="../js/jquery-3.1.0.min.js"></script>

    <title>其他应用--网页选项卡</title>

    <style type="text/css">

        .selected{background: yellow;}

        .tab{width:400px; font-size:12px;}

        .tab_menu ul{padding:0px;margin:0px;}

        .tab_menu li{list-style:none;display:block; float:left;background:#C2CEFE; height:22px; line-height:22px;

                    padding: 0px 8px;  margin-right:6px; border:#86B4CA 1px solid;}

        .tab_box{width:400px; height:200px; overflow:hidden; border:#A8C9D9 1px solid; padding:10px 8px; }

        .tab_menu ul li.selected{background:#dadada; cursor:pointer; }

        .hide{display:none;}

        .hover{background: green;}

    </style>

    </head>

    <body>

        <div class="tab">

            <div class="tab_menu">

                <ul>

                    <li class="selected">实时</li>

                    <li>新闻</li>

                    <li>娱乐</li>

                </ul>

            </div>

            <div class="tab_box">

                <div>实时</div>

                <div class="hide">新闻</div>

                <div class="hide">娱乐</div>

            </div>

        </div>

        <script type="text/javascript">

            $(function(){

                var $div_li = $("div.tab_menu ul li");

                $div_li.click(function(){

                    $(this).addClass("selected")  //当前li元素高亮

                    .siblings().removeClass("selected"); //去掉其他同辈li元素的高亮

                    var index = $div_li.index(this); //获取当前单击的li元素在全部li元素中的索引

                    $("div.tab_box > div")  //选取子节点

                        .eq(index).show()   //显示li元素对应的div元素

                        .siblings().hide(); //隐藏其他几个同辈的div元素

                }).hover(function(){  //添加光标滑过效果

                    $(this).addClass("hover");

                },function(){

                    $(this).removeClass("hover");

                })

            })

        </script>

    </body>

</html>

网页显示效果：

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