<form method="post" th:action="@{/login}" th:object="${user}" class="loginForm">
                <div class="loginInputDiv">
                    <label for="name" class="loginLabel"><img
                            th:src="@{/images/fore/WebsiteImage/2018-04-27_235518.png}"
                            width="38px" height="39px" title="会员名"/></label>
                    <input type="text" th:field="*{userName}" id="name" class="loginInput" placeholder="会员名/邮箱/手机号">
                </div>
                <div class="loginInputDiv">
                    <label for="password" class="loginLabel"><img
                            th:src="@{/images/fore/WebsiteImage/2018-04-27_235533.png}"
                            width="38px" height="39px" title="登录密码"/></label>
                    <input type="password" th:field="*{userPassword}" id="password" class="loginInput">
                </div>
                <input type="submit" class="loginButton" value="登 录">
            </form>

????????注意：
????????1，th：action 是要跳转的url。
????????2，th：object 是后台跳转到登录页面之前时，封装好的POJO实例对象

????????点击按钮提交表单之后，根据路径找到相应的controller方法，具体方法如下：

????????Controller

	//跳转到登录页面
	//客户get请求一个form页面时，返回的model里有一个空User实例，去绑定页面的th:object，如果没有绑定的话会报错
    @RequestMapping("/toLogin")
    public String toLogin(Model model){
        model.addAttribute("user",new User());
        return "fore/loginPage";//返回到登录页面
    }
    //执行登录操作
    //form表单的提交映射到此处，@ModelAttribute映射页面的th:object，从而将form捕获并封装成User对象
    @RequestMapping("/login")
    public String Login(@ModelAttribute User user){
        System.out.println("===========登录===========");
        System.out.println("==========name:"+user.getUserName());
        System.out.println("===========pwd:"+user.getUserPassword());
        return "fore/homePage";//返回登录成功之后的主页面
    }

public class User {

  private long userId;
  private String userName;
  private String userPassword;
  public String getUserName() {
    return userName;
  }
  public void setUserName(String userName) {
    this.userName = userName;
  }
  public String getUserPassword() {
    return userPassword;
  }
  public void setUserPassword(String userPassword) {
    this.userPassword = userPassword;
  }
}