get 获取数据，以及光标事件

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="http://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
    <title>Document</title>
    <style>
    </style>
</head>
<body>
    <div class="container">
        <span>请输入用户名：</span><input id="user" type="text" name="" value="请输入用户名">
        <span>请输入密  码：</span><input id="pwd"type="text" name="">
    </div>
    <br>
    <div>
        <table border="1" cellspacing="0" cellpadding="0">
            <thead>
                <tr>
                    <td>编号</td>
                    <td>名称</td>
                    <td>首字母</td>
                    <td>拼音</td>
                    <td>精度</td>
                    <td>纬度</td>
                </tr>
            </thead>
            <tbody>
            </tbody>
        </table>
    </div>
    <script>
        // 按键松开后（还有按键按下等，具体需要可查阅api文档
        $('#user').keyup(function(){
            console.log(123);
        });
        // 获取焦点
        $('#user').focus(function(){
            $('#user').val("");
        });
        // 失去焦点
        $('#user').blur(function(){
            $('#user').val("请输入用户名");
        });
        // get 
        $.get("http://admin.ouyangke.cn/index.php/api/index/prov_list",
        {
            // page:7,
            limit:20
        },function(data){
            let html_data = "";
            // console.log(data);
            // console.log(data.data.length);
            for(let i = 0;i < data.data.length; i++){
                html_data += "<tr>"
                html_data += "<td>" + data.data[i].area_id + "</td>";
                html_data += "<td>" + data.data[i].area_name + "</td>";
                html_data += "<td>" + data.data[i].first_pinyin + "</td>";
                html_data += "<td>" + data.data[i].lat + "</td>";
                html_data += "<td>" + data.data[i].lng + "</td>";
                html_data += "<td>" + data.data[i].pinyin + "</td>";
                html_data += "</tr>"
            }
            $('tbody').append(html_data);
        },'JSON');
    </script>
</body>
</html>

Correcting teacher：

PHPz

Correction status：qualified

Teacher's comments：

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get 获取数据，以及光标事件