Day03-Java开发所需的前端技术

    <form action="服务器地址" method="请求方式" enctype="数据格式">
        <!-- 表单项 -->

        
        <input type="submit" value="提交按钮">
    </form>

<form action="http://localhost:8090/test">
 		<input type="text" name="userName" value="用户名">
 		<input type="submit" value="提交按钮">
 </form>

@Controller
public class HtmlTestController {
    @GetMapping("/test")
    @ResponseBody //对返回数据做一个处理
    public String formTest(String userName){
        System.out.println(userName);
        return "数据接受成功："+userName;
    }
}

    <form action="http://localhost:8090/test" method="post" enctype="multipart/form-data">
        <!-- 文本框 -->
        <input type="text" name="userName" value="用户名">
        <hr>
        <!-- 密码框 -->
        <input type="password" name="passWord">
        <hr>
        <!-- 隐藏框 -->
        <input type="hidden" name="id" value="T1">
        <!-- 日期框 -->
        <input type="date" name="birthday">
        <hr>
        <!-- 单选 -->
        <!-- checked 默认选中 -->
        男<input type="radio" name="sex" value="男" checked>
        女<input type="radio" name="sex" value="女">
        <hr>
        <!-- 多选 -->
        唱歌<input type="checkbox" name="fav" value="唱歌">
        跳<input type="checkbox" name="fav" value="跳">
        rap<input type="checkbox" name="fav" value="rap">
        篮球<input type="checkbox" name="fav" value="篮球">
        <hr>
        <!-- 文件上传 -->
        <!-- 在做文件上传时，form表单必须带上method 和 enctype 属性，且属性值应该是 post 和 multipart/form-data -->
        <input type="file" name="avatar">
        <hr>
        <input type="submit" value="提交按钮">
    </form>

@Controller
public class HtmlTestController {
    @RequestMapping("/test")
    @ResponseBody //对返回数据做一个处理
    public String formTest(User user) {
        System.out.println(user.toString());
        return "数据接受成功：" + user.toString()+"\n"+"文件大小："+user.getAvatar().getSize();
    }

    static class User {
        private String userName;
        private String passWord;
        private String id;
        @DateTimeFormat(pattern = "yyyy-MM-dd")
        private LocalDate birthday;
        private String sex;
        private List<String> fav;
        private MultipartFile avatar;

        public LocalDate getBirthday() {
            return birthday;
        }

        public void setBirthday(LocalDate birthday) {
            this.birthday = birthday;
        }

        public String getUserName() {
            return userName;
        }

        public void setUserName(String userName) {
            this.userName = userName;
        }

        public String getPassWord() {
            return passWord;
        }

        public void setPassWord(String passWord) {
            this.passWord = passWord;
        }

        public String getId() {
            return id;
        }

        public void setId(String id) {
            this.id = id;
        }


        public String getSex() {
            return sex;
        }

        public void setSex(String sex) {
            this.sex = sex;
        }

        public List<String> getFav() {
            return fav;
        }

        public void setFav(List<String> fav) {
            this.fav = fav;
        }

        public MultipartFile getAvatar() {
            return avatar;
        }

        public void setAvatar(MultipartFile avatar) {
            this.avatar = avatar;
        }

        @Override
        public String toString() {
            return "User{" +
                    "userName='" + userName + '\'' +
                    ", passWord='" + passWord + '\'' +
                    ", id='" + id + '\'' +
                    ", birthday=" + birthday +
                    ", sex='" + sex + '\'' +
                    ", fav=" + fav +
                    '}';
        }
    }
}