JS 增删改查操作XML

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效果图:
技术图片

<!DOCTYPE html>
<html>
     
    <head>
        <meta charset="UTF-8">
        <title>Document</title>
        <script src="http://cdn.bootcss.com/jquery/1.11.2/jquery.js"></script>
        <style type="text/css">
            body {
                text-align: center;
                /* 页面元素居中 */
            }
        </style>
        <script type="text/javascript">
            //定义全局变量
            cdcatalog = loadXML("cdcatalog.xml");
            root = cdcatalog.documentElement;
            cd = root.getElementsByTagName("cd");
            valArr = [];
 
            function onloadFun() {
                //valArr赋值
                $(‘#show‘).find("th").each(function(i) {
                    valArr.push($.trim($(this).text()));
                });
                loadXMLFun();
            }
             //创建xmldom对象
 
            function loadXML(xmlFile) {
                var xmlDom = null;
                try {
                    //xmlhttp方式，支持火狐、chrome、oprea等浏览器，但不可跨域
                    var xmlhttp = new window.XMLHttpRequest();
                    xmlhttp.open("GET", xmlFile, false);
                    xmlhttp.send(null);
                    if (xmlhttp.status == 200) {
                        xmlDom = xmlhttp.responseXML;
                    } else {
                        //传入的是XML字符串而非XML地址时非IE浏览器处理
                        var parseXml = new DOMParser();
                        var xmlDom = parseXml.parseFromString(xmlFile, "text/xml");
                    }
                } catch (ex) {
                    //传入的是XML字符串而非XML地址时非IE浏览器处理
                    var parseXml = new DOMParser();
                    var xmlDom = parseXml.parseFromString(xmlFile, "text/xml");
 
                }
                return xmlDom;
            }
 
            function loadXMLFun() {
                fillTable(cd);
            }
 
            function fillTable(list) {
                var trs = [];
                var tds = [];
 
                for (var x = 0; x < list.length; x++) {
                    trDom = $(‘<tr></tr>‘);
                    for (var i = 0; i < valArr.length; i++) {
                        $(‘<td >‘ + getValue(list, x, valArr[i]) + ‘</td>‘).appendTo(trDom);
                        trs.push(trDom);
                    }
                }
                for (var j = 0; j < trs.length; j++) {
                    $(trs[j]).appendTo($(‘#show‘));
                }
 
            }
 
            function getValue(list, i, key) {
                try {
                    if ("id" == key) {
                        return list[i].getAttribute(key);
                    } else if ("photo" == key) {
                        imgsrc = list[i].getElementsByTagName(key)[0].childNodes[0].nodeValue;
                        return ‘<img src="‘ + imgsrc + ‘" />‘;
                    } else {
                        return list[i].getElementsByTagName(key)[0].childNodes[0].nodeValue;
                    }
                } catch (ex) {
                    return "";
                }
            }
 
 
            function search() {
                var searchStrLow = $.trim($("#artistText").val().toLowerCase());
                var flag = false;
                var tmpArray = [];
                $("table tbody tr").eq(0).nextAll().remove();
                /*$(root).find(‘cd‘).each(function() {
            var artistLow = $(this).find("artist").text().toLowerCase();
            if (artistLow.indexOf(searchStrLow) != -1) {
                fillTable($(this));
                flag = true;
            }
        });
        */
                for (var i = 0; i < cd.length; i++) {
                    var artistLow = $.trim(cd[i].getElementsByTagName("artist")[0].childNodes[0].nodeValue.toLowerCase());
                    if (artistLow.indexOf(searchStrLow) != -1) {
                        tmpArray.push(cd[i]);
                        flag = true;
                    }
                }
 
                fillTable(tmpArray);
                if (flag == false) {
                    alert("查询不到结果!")
                }
 
 
            }
 
            function modi() {
                $("table tbody tr").eq(0).nextAll().remove();
                //修改第3张cd的数量为1
                root.getElementsByTagName("quantity")[2].childNodes[0].nodeValue = "1";
                fillTable(cd);
            }
 
            function add() {
                var tmp;
                var lines = ++cd.length;
                $("table tbody tr").eq(0).nextAll().remove();
                //创建一个cd节点
                newElem = cdcatalog.createElement("cd");
                for (var i = 0; i < valArr.length; i++) {
                    if ("id" == valArr[i]) {
                        newElem.setAttribute("id", "00" + lines); //设置该节点id属性
                    } else if ("photo" == valArr[i]) {} else {
                        tmp = cdcatalog.createElement(valArr[i]);
                        tmp.textContent = valArr[i];
                        newElem.appendChild(tmp);
                    }
                }
                root.appendChild(newElem);
                fillTable(cd);
            }
 
            function remove() {
                root.children[0].remove();
                $("table tbody tr").eq(0).nextAll().remove();
                fillTable(cd);
            }
        </script>
    </head>
     
    <body onload="onloadFun()"> <span>输入artist:</span>
 
        <input id="artistText" type="text" />
        <input id="searchButton" type="button" value="搜索" onclick="search()" />
        <input id="addButton" type="button" value="添加" onclick="add()" />
        <input id="modiButton" type="button" value="修改" onclick="modi()" />
        <input id="modiButton" type="button" value="删除" onclick="remove()" />
         <h2> CD </h1>
        <table border="1px dashed #999999" id="show" align="center" bgcolor="#f9f9f9">
             <tbody>
            <tr>
                <th>id</th>
                <th>title</th>
                <th>artist</th>
                <th>country</th>
                <th>company</th>
                <th>price</th>
                <th>year</th>
                <th>quantity</th>
                <th>photo</th>
            </tr>
            </tbody>
        </table>
    </body>
</html>

XML 文件

<?xml version="1.0" encoding="ISO-8859-1"?>
<!-- edited with XMLSPY v5 U (http://www.xmlspy.com) by et8 (et8) -->
<!-- Edited with XML Spy v2005 (http://www.altova.com) -->
<?xml-stylesheet type="text/xsl" href="cdcatalog.xsl"?>
<cdcatalog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="cdcatalog.xsd">
    <cd id="0001">
        <title>Empire Burlesque</title>
        <artist>Bob Dylan</artist>
        <country>USA</country>
        <company>Columbia</company>
        <price>10.90</price>
        <year>1985</year>
        <quantity>5</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0002">
        <title>Hide your heart</title>
        <artist>Bonnie Tyler</artist>
        <country>UK</country>
        <company>CBS Records</company>
        <price>9.90</price>
        <year>1988</year>
        <quantity>15</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0003">
        <title>Greatest Hits</title>
        <artist>Dolly Parton</artist>
        <country>USA</country>
        <company>RCA</company>
        <price>9.90</price>
        <year>1982</year>
        <quantity>5</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0004">
        <title>Still got the blues</title>
        <artist>Gary Moore</artist>
        <country>UK</country>
        <company>Virgin records</company>
        <price>10.20</price>
        <year>1990</year>
        <quantity>5</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0005">
        <title>Eros</title>
        <artist>Eros Ramazzotti</artist>
        <country>EU</country>
        <company>BMG</company>
        <price>9.90</price>
        <year>1997</year>
        <quantity>24</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0006">
        <title>One night only</title>
        <artist>Bee Gees</artist>
        <country>UK</country>
        <company>Polydor</company>
        <price>10.90</price>
        <year>1998</year>
        <quantity>5</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0007">
        <title>Sylvias Mother</title>
        <artist>Dr.Hook</artist>
        <country>UK</country>
        <company>CBS</company>
        <price>8.10</price>
        <year>1973</year>
        <quantity>5</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0008">
        <title>Maggie May</title>
        <artist>Rod Stewart</artist>
        <country>UK</country>
        <company>Pickwick</company>
        <price>8.50</price>
        <year>1990</year>
        <quantity>5</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0009">
        <title>Romanza</title>
        <artist>Andrea Bocelli</artist>
        <country>EU</country>
        <company>Polydor</company>
        <price>10.80</price>
        <year>1996</year>
        <quantity>5</quantity>
        <photo>default.jpg</photo>
    </cd>
    <cd id="0010">
        <title>When a man loves a woman</title>
        <artist>Percy Sledge</artist>
        <country>USA</country>
        <company>Atlantic</company>
        <price>8.70</price>
        <year>1987</year>
        <quantity>3</quantity>
        <photo>default.jpg</photo>
    </cd>
</cdcatalog>

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