<a href="javascript:;" onclick="logoutBackground()">退出</a>

/**
 * 退出后台
 */
function logoutBackground() {
    $.get("/admin/logout", function (msg) {
        if (msg === "true") {
            window.location.href = "/userlogin";//自定义静态页面路径
        } else {
            alert("退出异常!");
        }
    });
}

 //登出操作
.logout().logoutUrl("/admin/logout")
.logoutSuccessHandler((request, response, authentication) -> {
　　PrintWriter writer = response.getWriter();
　　writer.write("true");
　　writer.close();
            }).permitAll()