javascript escape()和unescape()區別

時間 2021-08-14

標籤 javascript css html 前端 java jquery json bootstrap 服務器 app 欄目 JavaScript 简体版

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JavaScript escape() 函數定義和用法

escape() 函數可對字符串進行編碼，這樣就能夠在全部的計算機上讀取該字符串。javascript

語法：css

escape(string)html

例子：前端

<!DOCTYPE html>
<html>
    <head>
        <title></title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <link rel="stylesheet" href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
        <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
        <script src="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
        <style>

        </style>
    </head>
    <body>

    </body>

    <script>
        document.write(escape("wang xiaoting!") + "<br />")
        document.write(escape("?!=()#%&"))
    </script>
</html>

JavaScript unescape() 函數定義和用法

unescape() 函數可對經過 escape() 編碼的字符串進行解碼。java

語法：jquery

unescape(string)json

在本例中，咱們將使用 escape() 來編碼字符串，而後使用 unescape() 對其解碼：bootstrap

<!DOCTYPE html>
<html>
    <head>
        <title></title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <link rel="stylesheet" href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
        <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
        <script src="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
        <style>

        </style>
    </head>
    <body>

    </body>

    <script type="text/javascript">
    
    var test1="wang  xiao ting !"
    
    test1=escape(test1)
    document.write (test1 + "<br />")
    
    test1=unescape(test1)
    document.write(test1 + "<br />")
    
    </script>
</html>

舉個栗子：服務器

實際應用在項目裏面app

html

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <title>Dashboard | Nadhif - Responsive Admin Template</title>
        <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css">
        <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap-table/1.15.4/bootstrap-table.min.css">
        <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
        <script src="http://cdn.bootcss.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
        <script src="https://cdn.bootcss.com/bootstrap-table/1.15.4/bootstrap-table.min.js"></script>
        <script src="https://cdn.bootcss.com/bootstrap-table/1.15.4/locale/bootstrap-table-zh-CN.min.js"></script>
    </head>
    <style>
        .page-content-wrapper {
            width: 800px;
            position: absolute;
            top: 10%;
            left: 24%;
            background: #fff;
            border: 1px solid #999;
            padding: 3% 0 0 9%;
            display: none;
        }
        .inputstyle {
            width: 60%;
            height: 34px;
            padding: 6px 12px;
            font-size: 14px;
            line-height: 1.42857143;
            color: #555;
            background-color: #fff;
            background-image: none;
            border: 1px solid #ccc;
            border-radius: 4px;
        }
    </style>
    <body>

        <table id="mytab" class="table table-hover"></table>
        <!-- 新增和修改界面 -->
        <div class="page-content-wrapper">
            <input type="text" class="inputstyle" id="id" style="display: none;">
            <div class="form-group">
                <label>工號:</label> <input type="text" class="inputstyle" id="deviceId">
            </div>
            <div class="form-group">
                <label>姓名:</label> <input type="text" class="inputstyle" id="name">
            </div>
            <div class="form-group">
                <label>電話:</label> <input type="text" class="inputstyle" id="phone">
            </div>
            <div class="form-group">
                <label>公司:</label> <input type="text" class="inputstyle" id="organName">
            </div>


            <div class="modal-footer">
                <button type="button" class="btn default" data-dismiss="modal" id="close">關閉</button>
                <button type="button" class="btn blue" id="addBtn">保存</button>

            </div>
        </div>

        <script>
            $('#mytab').bootstrapTable({
                method: 'get',
                url: "test.json", // 請求路徑
                striped: true, // 是否顯示行間隔色
                pageNumber: 1, // 初始化加載第一頁
                pagination: true, // 是否分頁
                sidePagination: 'client', // server:服務器端分頁|client：前端分頁
                pageSize: 5, // 單頁記錄數
                pageList: [5, 20, 30],
                // showRefresh : true,// 刷新按鈕
                queryParams: function(params) { // 上傳服務器的參數
                    var temp = {

                    };
                    return temp;
                },
                columns: [{
                    title: 'id',
                    field: 'id',
                    visible: false
                }, {
                    title: '工號',
                    field: 'deviceId',

                }, {
                    title: '姓名',
                    field: 'name',

                }, {
                    title: '聯繫電話',
                    field: 'phone'
                }, {
                    title: '公司部門',
                    field: 'organName'
                }, {
                    title: '操做',
                    field: 'id',
                    formatter: option
                }]
            })

            // 定義刪除、更新按鈕
            function option(value, row, index) {
                var htm = "";
                htm = '<button id="upd"  onclick="update(\'' + escape(JSON.stringify(row)) + '\')">修改</button>';
                return htm;
            }

            function update(row) {
                $(".page-content-wrapper").show();
                var data = JSON.parse(unescape(row))
                $('#deviceId').val(data.deviceId)
                $('#name').val(data.name)
                $('#phone').val(data.phone)
                $('#organName').val(data.organName)

            }
            $("#close").on("click", function() {
                $(".page-content-wrapper").hide();
            })
        </script>
    </body>

</html>

test.json

[
    {
        "id": 1,
        "deviceId": "43445",
        "name": "王小婷",
        "phone": "1567865475",
        "organName": "字節跳動"
    },  {
        "id": 2,
        "deviceId": "53456",
        "name": "最帥的壞兔子",
        "phone": "1567865475",
        "organName": "騰訊" 
    },{
        "id": 3,
        "deviceId": "2345",
        "name": "阿強",
        "phone": "1567865475",
        "organName": "360" 
    },{
        "id": 4,
        "deviceId": "2345",
        "name": "阿花",
        "phone": "1567865475",
        "organName": "百度" 
    },
    {
        "id": 5,
        "deviceId": "2345",
        "name": "阿奶",
        "phone": "1567865475",
        "organName": "螞蟻金服" 
    },{
        "id": 5,
        "deviceId": "2345",
        "name": "阿狗",
        "phone": "1567865475",
        "organName": "阿里" 
    }
]

首先使用escape對字符串進行編碼，而後使用unescape() 函數對編碼的字符串進行解碼。