用ajax写注册页面_jquery的ajax请求写法

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<!DOCTYPE html>
<html lang="zh-CN" xmlns:th="http://www.thymeleaf.org">
<head>

    <meta charset="utf-8"/>
    <title>XXXX</title>
    <meta name="viewport" content="width=device-width,initial-scale=1"/>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css"
          integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap-theme.min.css"
          integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
    <link rel="stylesheet" href="css/bootstrap.min.css">
    <link rel="stylesheet" href="css/weui-2.1.4/dist/style/weui.min.css"/>
    <script type="text/javascript" src="js/jquery-3.0.0.js"></script>
    <script type="text/javascript" src="js/bootstrap.min.js"></script>
</head>
<body>
<div class="page">
    <div class="weui-form">
        <div class="weui-form__text-area">
            <h2 class="weui-form__title">注册</h2>
        </div>
        <div class="weui-form__control-area">
            <div class="weui-cells__group weui-cells__group_form">
                <div class="weui-cells__title">表单组标题</div>
                <div class="weui-cells weui-cells_form">
                    <div class="weui-cell weui-cell_active">
                        <div class="weui-cell__hd">
                            <label for="telephone" stype="display:inline;">手机：</label>
                        </div>
                        <div class="weui-cell__bd">
                            <input type="text" class="weui-input" id="telephone" placeholder="必填" autocomplete="off"/>
                        </div>
                    </div>
                    <div class="weui-cell weui-cell_active">
                        <div class="weui-cell__hd">
                            <label for="password">密码：</label>
                        </div>
                        <div class="weui-cell__bd">
                            <input type="password" class="weui-input" id="password" style="display:inline;width:200px;"
                                   autocomplete="off" placeholder="必填"/>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="weui-form__opr-area">
            <a class="weui-btn weui-btn_primary weui-btn_disabled" id="showTooltips" th:href="'javascript:register();'" style="color:#06ae56;">确认注册</a>
        </div>
    </div>
    <div id="js_toast" style="display: none;">
        <div class="weui-mask_transparent"></div>
        <div class="weui-toast">
            <i class="weui-icon-success-no-circle weui-icon_toast"></i>
            <p class="weui-toast__content">已完成</p>
        </div>
    </div>
</div>
<div id="dialogs">
    <div class="js_dialog" id="androidDialog12" style="display: none;">
        <div class="weui-mask"></div>
        <div class="weui-dialog weui-skin_android">
            <div class="weui-dialog__hd"><strong class="weui-dialog__title">提示消息</strong></div>
            <div class="weui-dialog__bd">
                手机号码有误
            </div>
            <div class="weui-dialog__ft">
                <a href="javascript:;" class="weui-dialog__btn weui-dialog__btn_default">确定</a>
            </div>
        </div>
    </div>
</div>
</body>
<script>
    $("#showTooltips").click(function() {
        alert("准备提交注册……");
        var tel=document.getElementById("telephone").value;
        var pas=document.getElementById("password").value;
        console.log(tel+";"+pas);
        if(isPas(pas)){
            alert("不能全是数字，不能全是字母，不能全是符号（这里只列出了部分符号，可自己增加，有的符号可能需要转义），长度不能少于8位");
        }
        else {
            if (isMobile1(tel)) {
                $.ajax({
                    type: "post",
                    url: "/registerUser",
                    async: false,
                    contentType: "application/x-www-form-urlencoded",
                    data: {
                        "user": $('#user').val(),
                        "password": $('#password').val(),
                        "telephone": $('#telephone').val()
                    },
                    success: function (data) {
                        if (data == "注册成功") {
                            alert("注册成功");
                            window.location.href = "/login";
                        } else {
                            alert(data);
                        }
                    },
                    error: function (XMLHttpRequest, textStatus, errorThrown) {
                        alert("请求在连接过程中出现错误..\n" + errorThrown);
                    }
                });
            } else{
                alert("手机号有错误");
            }
        }
    });

    function isMobile1(str) {
        if (/^[1][3,4,5,7,8,9]\d{9}$/.test(str)) {
            return true;
        } else {
            return false;
        }
    }

    function isPas(str) {
        if (/(?!^\\d+$)(?!^[a-zA-Z]+$)(?!^[_#@]+$).{8,}$/.test(str)) {
            return false;
        } else {
            return true;
        }
    }


</script>
</html>