spring、mvc等配置不需要自己写，只需配置一下数据库即可。另外，与主应用程序上下文不同的外部配置，我在根目录创建application.properties来配置，mybatis逆向生成需要配置。

（1）首先，搞一下pom.xml。（里面有些是用不到的，不过全copy了，后面业务会用的）

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.smxy.study</groupId>
    <artifactId>shoping</artifactId>
    <version>1.0-SNAPSHOT</version>
    <name>shoping</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
    </properties>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.5.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>
        <!-- 数据库依赖,数据库mySql-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.35</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.17</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>1.3.1</version>
        </dependency>

        <!-- 辅助校验 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.7</version>
        </dependency>
        <!-- 校验 -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>6.0.13.Final</version>
        </dependency>
        <!--时间-->
        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time</artifactId>
            <version>2.9.1</version>
        </dependency>
    </dependencies>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
                <!--mybatis逆向生成-->
                <plugin>
                    <groupId>org.mybatis.generator</groupId>
                    <artifactId>mybatis-generator-maven-plugin</artifactId>
                    <version>1.3.5</version>
                    <dependencies>
                        <dependency>
                            <groupId>org.mybatis.generator</groupId>
                            <artifactId>mybatis-generator-core</artifactId>
                            <version>1.3.2</version>
                        </dependency>
                        <dependency>
                            <groupId>mysql</groupId>
                            <artifactId>mysql-connector-java</artifactId>
                            <version>5.1.35</version>
                        </dependency>
                    </dependencies>
                    <executions>
                        <execution>
                            <id>mybatis_generator</id>
                            <phase>package</phase>
                            <goals>
                                <goal>generate</goal>
                            </goals>
                        </execution>
                    </executions>
                    <configuration>
                        <!--允许覆盖生成的文件-->
                        <verbose>false</verbose>
                        <overwrite>true</overwrite>
                        <configurationFile>
                            src/main/resources/mybatis-generator.xml
                        </configurationFile>
                    </configuration>
                </plugin>
            </plugins>
        </pluginManagement>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>8</source>
                    <target>8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

(2)jar包架好之后，可以测试一下，打开App.java

//1.让Springboot扫描配置文件
/**
 * 如果没有包，就用这个注解，因为我现在是要弄一个项目，这些包都创建好了
 *@EnableAutoConfiguration将该类做成支持配置可以自动加载 并
 */
//@EnableAutoConfiguration
@SpringBootApplication(scanBasePackages = {"com.smxy.study"})
@MapperScan("com.smxy.study.dao")
@RestController
public class App
{
    public static void main( String[] args )
    {
        SpringApplication.run(App.class,args);
        //启动web容器
        System.out.println( "启动SpringBoot项目" );
    }
}

（3）application.properties的上下文全局配置

# 设置自己的服务访问端口
server.port=8090
mybatis.mapperLocations=classpath:mapping/*.xml
# 数据库相关配置
spring.datasource.name=shoping
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/miaosha
spring.datasource.username=root
spring.datasource.password=123456

#配置数据源，这里是有druid数据源
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.driverClassName=com.mysql.jdbc.Driver

（4）mybatis的逆向生成，可以查看Mybatis官方文档。

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
        PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorConfiguration>

    <context id="DB2Tables" targetRuntime="MyBatis3">

        <!-- 设置不会生成注释的自动生成 -->
        <commentGenerator>
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>

        <!-- 配置数据库连接信息 -->
        <jdbcConnection driverClass="com.mysql.jdbc.Driver"
                        connectionURL="jdbc:mysql://localhost:3306/miaosha"
                        userId="root"
                        password="123456">
        </jdbcConnection>

        <javaTypeResolver>
            <property name="forceBigDecimals" value="false"/>
        </javaTypeResolver>

        <!-- 指定JavaBean生成的位置(pojo) -->
        <javaModelGenerator targetPackage="com.smxy.study.pojo"
                            targetProject=".srcmainjava">
            <property name="enableSubPackages" value="true"/>
            <property name="trimStrings" value="true"/>
        </javaModelGenerator>

        <!-- 指定Sql映射文件生成的位置 -->
        <sqlMapGenerator targetPackage="mapping" targetProject=".srcmainresources">
            <property name="enableSubPackages" value="true"/>
        </sqlMapGenerator>

        <!-- 指定Dao接口生成的位置 -->
        <javaClientGenerator type="XMLMAPPER"
                             targetPackage="com.smxy.study.dao" targetProject=".srcmainjava">
            <property name="enableSubPackages" value="true"/>
        </javaClientGenerator>

        <!-- table指定每个表生成策略 -->
        <!--enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"-->
        <table tableName="promo" domainObjectName="Promo" enableCountByExample="false"
               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false"></table>

    </context>
</generatorConfiguration>

逆向文件配置好之后，运行即可生成相关代码

习惯性创建用户时，会将password一起整到一张表，这样，前端请求就可以看到这类敏感数据，虽然加密，但是还是给用户一种不好的体验。所以，从现在学习更好的模型规划。
（1）自动生成的User和Password类不动
（2）Service层操作模型类

package com.smxy.study.service.model;

import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotNull;

public class UserModel {
    private Integer id;
    @NotBlank(message = "用户名不能为空")
    private String name;
    @NotNull(message = "性别不能不填")
    private Byte gender;
    @NotNull(message = "年龄不能不填")
    @Min(value = 0,message = "年龄必须大于0")
    @Max(value = 150,message = "年龄必须小于150")
    private Integer age;
    @NotBlank(message = "手机号不能为空")
    private String telphone;
    private String regisaterMode;
    private String thirdPartyId;
    @NotBlank(message = "密码不能为空")
    private String encrptPassword;
	<  对应的get/set  >
}

（3）可以给前端展示的模型

package com.smxy.study.controller.viewobject;

public class UserVO {
    private Integer id;
    private String name;
    private Byte gender;
    private Integer age;
    private String telphone;
    <  对应的get/set  >
}

来写Service层。

package com.smxy.study.service;

import com.smxy.study.error.BusinessException;
import com.smxy.study.service.model.UserModel;
import org.xml.sax.SAXException;

import java.io.IOException;

public interface UserService {
    public UserModel getUserById(Integer id);

    /**
     * 用户注册服务
     * @param userModel
     * @throws BusinessException
     */
    void register(UserModel userModel) throws BusinessException, IOException, SAXException;

    /**
     * 校验登录用户的信息
     * @param telpnone，用户的手机号
     * @param passd,用户加密后的密码
     */
    UserModel validateLogin(String telpnone,String passd) throws BusinessException;
}

package com.smxy.study.service.impl;

import ch.qos.logback.core.net.SyslogOutputStream;
import com.smxy.study.Validator.ValidationResult;
import com.smxy.study.Validator.ValidatorImpl;
import com.smxy.study.dao.UserMapper;
import com.smxy.study.dao.UserPasswordMapper;
import com.smxy.study.error.BusinessException;
import com.smxy.study.error.EmBusinessError;
import com.smxy.study.pojo.User;
import com.smxy.study.pojo.UserPassword;
import com.smxy.study.service.UserService;
import com.smxy.study.service.model.UserModel;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.xml.sax.SAXException;

import java.io.IOException;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserMapper userMapper;
    @Autowired
    private UserPasswordMapper userPasswordMapper;
    @Autowired
    private ValidatorImpl validator;

    @Override
    public UserModel getUserById(Integer id) {
        User userDo = userMapper.selectByPrimaryKey(id);
        UserPassword userPassword = userPasswordMapper.selectByUserId(id);
        UserModel userModel = convertFromDataObject(userDo,userPassword);
        return userModel;
    }

    @Override
    @Transactional
    public void register(UserModel userModel) throws BusinessException, IOException, SAXException {
        if(userModel == null) {
            throw new BusinessException(EmBusinessError.PARAMETER_VALIDATION_ERROR, "用户为空");
        }
        //开始校验
//        if(StringUtils.isEmpty(userModel.getName())
//                || userModel.getGender() == null
//                || userModel.getAge() == null
//                || StringUtils.isEmpty(userModel.getTelphone())){
//            throw new BusinessException(EmBusinessError.PARAMETER_VALIDATION_ERROR,"传入参数不合法");
//        }
        ValidationResult result = validator.validate(userModel);
        if(result.isHasErrors()){
            throw new BusinessException(EmBusinessError.PARAMETER_VALIDATION_ERROR,result.getErrMsg());
        }
        //增加事务，避免出现类似userMapper成功，userPasswordMapper失败案例
        User userDO = convertFromDataObject(userModel);
        userMapper.insertSelective(userDO);

        userModel.setId(userDO.getId());//将自增生成的id给userModel，再传给UserPassword

        UserPassword userPass = convertPassFromDataObject(userModel);
        userPasswordMapper.insertSelective(userPass);

        return;
    }

    @Override
    public UserModel validateLogin(String telpnone, String passd) throws BusinessException {
        //通过手机号获取用户信息
        User userDO = userMapper.selectByTelphone(telpnone);
        if(userDO == null){
           throw new BusinessException(EmBusinessError.USER_LOGIN_FAIL);
        }
        UserPassword userPassword = userPasswordMapper.selectByUserId(userDO.getId());
        UserModel userModel = convertFromDataObject(userDO,userPassword);
        //比对用户加密过的密码
        if(!StringUtils.equals(passd,userModel.getEncrptPassword())){
            throw new BusinessException(EmBusinessError.USER_LOGIN_FAIL);
        }
        return userModel;
    }

    /**
     * user、UserPassword转换-》UserModel
     * @param user
     * @param userPassword
     * @return
     */
    private UserModel convertFromDataObject(User user,UserPassword userPassword){
        if(user==null)
            return null;
        UserModel userModel = new UserModel();
        BeanUtils.copyProperties(user,userModel);
        if(userPassword==null)
            userModel.setEncrptPassword(null);
        userModel.setEncrptPassword(userPassword.getEncrptPassword());

        return userModel;
    }

    /**
     * UserModel转换-》User
     * @param userModel
     * @return
     */
    private User convertFromDataObject(UserModel userModel){
        if(userModel == null)
            return null;
        User user = new User();
        BeanUtils.copyProperties(userModel,user);
        return user;
    }

    /**
     * UserModel转换-》UserPassword
     * @param userModel
     * @return
     */
    private UserPassword convertPassFromDataObject(UserModel userModel){
        if(userModel == null)
            return null;
        UserPassword userPassword = new UserPassword();
        userPassword.setEncrptPassword(userModel.getEncrptPassword());
        userPassword.setUserId(userModel.getId());
        return userPassword;
    }
}

package com.smxy.study.controller;

import com.alibaba.druid.util.StringUtils;
import com.smxy.study.controller.viewobject.UserVO;
import com.smxy.study.error.BusinessException;
import com.smxy.study.error.EmBusinessError;
import com.smxy.study.response.CommentReturnType;
import com.smxy.study.service.impl.UserServiceImpl;
import com.smxy.study.service.model.UserModel;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.xml.sax.SAXException;
import sun.misc.BASE64Encoder;

import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Random;

@Controller
@RequestMapping("/user")
@CrossOrigin(allowCredentials = "true", allowedHeaders = "*")
public class UserController extends BaseController {

    @Autowired
    private UserServiceImpl userService;
    @Autowired
    private HttpServletRequest httpServletRequest;//单例模式

    @RequestMapping("/get")
    @ResponseBody
    public CommentReturnType getUser(@RequestParam(name = "id") Integer id) throws BusinessException {
        UserModel userModel = userService.getUserById(id);
        //如果用户不存在，实现自定义异常类
        if (userModel == null) {
            throw new BusinessException(EmBusinessError.USER_NOT_EXIT);
        }
        UserVO userVO = convertFormModel(userModel);
        return CommentReturnType.create(userVO);
    }

    /**
     * 要保护用户信息，转成可供view使用的model
     *
     * @param userModel
     * @return
     */
    private UserVO convertFormModel(UserModel userModel) {
        if (userModel == null)
            return null;
        UserVO userVO = new UserVO();
        BeanUtils.copyProperties(userModel, userVO);
        return userVO;

    }

    //用户获取opt短信接口
    @RequestMapping(value = "/getopt", method = RequestMethod.POST, consumes = {CONTENT_TYPE_FORMED})
    @ResponseBody
    public CommentReturnType getOpt(@RequestParam(name = "telphone") String telphone) {
        //1.按照一定规则生成opt---------随机数
        Random random = new Random();
        int randomInt = random.nextInt(99999);
        randomInt += 10000;
        String optCode = String.valueOf(randomInt);
        //2、将opt验证码与用户的手机关联---------Redis(更好)，httpSession
        httpServletRequest.getSession().setAttribute(telphone, optCode);
        //3.将opt验证码通过短信通道发送给用户(省略)
        System.out.println("telephon=" + telphone + ",optcode=" + optCode);
        return CommentReturnType.create(null);
    }

    //用户注册
    @RequestMapping(value = "/register", method = RequestMethod.POST, consumes = {CONTENT_TYPE_FORMED})
    @ResponseBody
    public CommentReturnType register(@RequestParam(name = "telphone") String telphone,
                                      @RequestParam(name = "otpCode") String otpCode,
                                      @RequestParam(name = "name") String name,
                                      @RequestParam(name = "gender") Integer gender,
                                      @RequestParam(name = "age") Integer age,
                                      @RequestParam(name = "encrptPassword") String encrptPassword) throws BusinessException, IOException, NoSuchAlgorithmException, SAXException {
        //1.验证手机号和otp验证码
        String inSessionOtpCode = (String) this.httpServletRequest.getSession().getAttribute(telphone);
        //String inSessionTelphone = (String) this.httpServletRequest.getSession().getAttribute(otpCode);
        if (!StringUtils.equals(inSessionOtpCode, otpCode)) {
            throw new BusinessException(EmBusinessError.PARAMETER_VALIDATION_ERROR, "短信验证码不符合");
        }
        //2.用户注册流程
        UserModel userModel = new UserModel();
        userModel.setName(name);
        userModel.setGender(new Byte(String.valueOf(gender.intValue())));
        userModel.setAge(age);
        userModel.setTelphone(telphone);
        userModel.setRegisaterMode("byphone");
        userModel.setEncrptPassword(EncodeByMD5(encrptPassword));
        userService.register(userModel);

        return CommentReturnType.create(userModel);
    }

    //用户登录
    @RequestMapping(value = "/login", method = RequestMethod.POST, consumes = {CONTENT_TYPE_FORMED})
    @ResponseBody
    public CommentReturnType login(@RequestParam(name="telphone")String telphone,@RequestParam(name="encrptPassword")String encrptPassword) throws BusinessException, UnsupportedEncodingException, NoSuchAlgorithmException {
        //入参校验
        if(StringUtils.isEmpty(telphone) || StringUtils.isEmpty(encrptPassword)){
            throw new BusinessException(EmBusinessError.PARAMETER_VALIDATION_ERROR,"手机号和密码不能为空");
        }
        //用户登录服务,校验用户登录是否合法
        String passwd = EncodeByMD5(encrptPassword);
        UserModel userModel =userService.validateLogin(telphone,passwd);
        //将登录凭证加入到用户登录成功的Session类
        this.httpServletRequest.getSession().setAttribute("LOGIN",true);
        this.httpServletRequest.getSession().setAttribute("LOGIN_USER",userModel);
        return CommentReturnType.create(userModel);
    }

    //MD5加密
    public String EncodeByMD5(String password) throws NoSuchAlgorithmException, UnsupportedEncodingException {
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        BASE64Encoder base64Encoder = new BASE64Encoder();
        String newPasswd = base64Encoder.encode(md5.digest(password.getBytes("utf-8")));
        return newPasswd;
    }
}

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<script src="metronic_v4.7.5/_start/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
		<link href="metronic_v4.7.5/theme/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"><link/>
		<link href="metronic_v4.7.5/theme/assets/global/css/components.css" rel="stylesheet" type="text/css"><link/>
		<link href="metronic_v4.7.5/theme/assets/pages/css/login.css" rel="stylesheet" type="text/css"><link/>
		
	</head>
	<body class=" login">
	
		<div class="content">
			<form class="login-form" action="index.html" method="post">
			<h3 class="form-title"> 用户登录 </h3>
			<div class="form-group">
				<label class="#control-label">手机号：</label>
				<div>
					<input class="form-control" type="text" placeholder="手机号" name="telphone" id="telphone">
				</div>
			</div>
			<div class="form-group">
				<label class="#control-label">密码：</label>
				<div>
					<input class="form-control" type="password" name="encrptPassword" id="encrptPassword">
				</div>
			</div>
			<div class="form-actions">
				<button class="btn blue" id="login" type="submit">
					登录
				</button>
				<button class="btn green" id="register" type="submit" onclick=javascript:goRegister()>
					注册
				</button>
			</div>
			</form>
		</div>
	</body>
	
	<script>
	//注册事件
			//$("#register").on("click",function(){
			//	window.location.href = "getopt.html";
			//});
		//onclick="window.location.href='getopt.html'"
		function goRegister(){
			window.location.href="getopt.html";
		}
		jQuery(document).ready(function(){
			//登录请求
			$("#login").on("click",function(){
				var telphone = $("#telphone").val();
				var password  = $("#encrptPassword").val();
				if(telphone == null || telphone == ""){
					alert("手机号不能为空");
					return false;
				}
				if(password == null || password == ""){
					alert("密码不能为空");
					return false;
				}
				$.ajax({
					type:"POST",
					contentType:"application/x-www-form-urlencoded",
					url:"http://127.0.0.1:8090/user/login",
					data:{
						"telphone": telphone,
						"encrptPassword": password,
					},
					xhrFields: {withCredentials: true},
					success:function(data){
						if(data.status == "fail"){
							alert("登录失败，原因:"+data.data.errMsg);							
						}else{
							alert("用户登录成功");
							window.location.href = "listitem.html";
						}
					},
					error:function(data){
						alert("请求失败："+data.responseText);
					}
					
				});
				return false;
			});
		});
	
	</script>
</html>

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<script src="F:/IdeaProjects/html/metronic_v4.7.5/_start/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
		<link href="F:/IdeaProjects/html/metronic_v4.7.5/theme/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"><link/>
		<link href="F:/IdeaProjects/html/metronic_v4.7.5/theme/assets/global/css/components.css" rel="stylesheet" type="text/css"><link/>
		<link href="F:/IdeaProjects/html/metronic_v4.7.5/theme/assets/pages/css/login-4.css" rel="stylesheet" type="text/css"><link/>
		
	</head>
	<body class="login">
	
		<div class="content">
			<h3 class="form-title"> 用户注册 </h3>
			<div class="form-group">
				<label class="#control-label">手机号：</label>
				<div>
					<input class="form-control" type="text" placeholder="手机号" name="telphone" id="telphone">
				</div>
			</div>
			<div class="form-group">
				<label class="#control-label">验证码：</label>
				<div>
					<input class="form-control" type="text" placeholder="验证码" name="otpCode" id="otpCode">
				</div>
			</div>
			<div class="form-group">
				<label class="#control-label">用户名：</label>
				<div>
					<input class="form-control" type="text" placeholder="用户名" name="name" id="name">
				</div>
			</div>
			<div class="form-group">
				<label class="#control-label">性别：</label>
				<div>
					<input class="form-control" type="text" placeholder="性别" name="gender" id="gender">
				</div>
			</div>
			<div class="form-group">
				<label class="#control-label">年龄：</label>
				<div>
					<input class="form-control" type="text" placeholder="年龄" name="age" id="age">
				</div>
			</div>
			<div class="form-group">
				<label class="#control-label">密码：</label>
				<div>
					<input class="form-control" type="password" name="encrptPassword" id="encrptPassword">
				</div>
			</div>
			<div class="form-actions">
				<button class="btn blue" id="register" type="submit">
					提交注册
				</button>
				<button class="btn green" id="login" type="submit">
					已有账号
				</button>
			</div>
		</div>
	</body>
	
	<script>
		jQuery(document).ready(function(){
			$("#login").on("click",function(){
				window.location.href = "file:///F:/IdeaProjects/html/login.html";
			});
			//注册请求
			$("#register").on("click",function(){
				var telphone = $("#telphone").val();
				var name = $("#name").val();
				var gender = $("#gender").val();
				var age = $("#age").val();
				var password  = $("#encrptPassword").val();
				var otpCode = $("#otpCode").val();
				if(telphone == null || telphone == ""){
					alert("手机号不能为空");
					return false;
				}
				if(name == null || name == ""){
					alert("用户名不能为空");
					return false;
				}
				if(password == null || password == ""){
					alert("密码不能为空");
					return false;
				}
				if(age == null || age == ""){
					alert("年龄不能为空");
					return false;
				}
				if(gender == null || gender == ""){
					alert("性别不能为空");
					return false;
				}if(otpCode == null || otpCode == ""){
					alert("otp不能为空");
					return false;
				}
				$.ajax({
					type:"POST",
					contentType:"application/x-www-form-urlencoded",
					url:"http://127.0.0.1:8090/user/register",
					data:{
						"telphone": telphone,
						"otpCode": otpCode,
						"name": name,
						"gender": gender,
						"age": age,
						"encrptPassword": password,
					},
					xhrFields: {withCredentials: true},
					success:function(data){
						if(data.status == "fail"){
							alert("注册失败，原因:"+data.data.errMsg);							
						}else{
							alert("用户注册成功");
						}
					},
					error:function(data){
						alert("请求失败："+data.responseText);
					}
					
				});
				return false;
			});
		});
	
	</script>
</html>

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<script src="metronic_v4.7.5/_start/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
		<link href="metronic_v4.7.5/theme/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"><link/>
		<link href="metronic_v4.7.5/theme/assets/global/css/components.css" rel="stylesheet" type="text/css"><link/>
		<link href="metronic_v4.7.5/theme/assets/pages/css/login.css" rel="stylesheet" type="text/css"><link/>
		
	</head>
	<body class="login">
	
		<div class="content">
			<h3 class="form-title"> 获取otp信息 </h3>
			<div class="form-group">
				<label class="#control-label">手机号：</label>
				<div>
					<input class="form-control" type="text" placeholder="手机号" name="telphone" id="telphone">
				</div>
			</div>
			<div class="form-actions">
				<button class="btn blue" id="getotp" type="submit">
					获取otp短信
				</button>
			</div>
		</div>
	</body>
	
	<script>
		jQuery(document).ready(function(){
			//绑定opt的绑定事件
			$("#getotp").on("click",function(){
				var telphone = $("#telphone").val();
				console.log(telphone);
				if(telphone == null || telphone == ""){
					alert("手机号不能为空");
					return false;
				}
				
				$.ajax({
					type:"POST",
					contentType:"application/x-www-form-urlencoded",
					url:"http://127.0.0.1:8090/user/getopt",
					data:{
						"telphone":telphone,
					},
					xhrFields: {withCredentials: true},
					success:function(data){
						if(data.status == "success"){
							alert("opt已经发送到手机上");
							window.location.href = "file:///F:/IdeaProjects/html/register.html";
							//window.event.returnValue = false;
							//return false;							
						}else{
							alert(data.data.errMsg);
						}
					},
					error:function(data){
						alert(data.responseText);
					}
					
				});
				return false;
			});
		});
	
	</script>
</html>

=================================================================================================================================================
因为该项目是前后端分离，在Controller层要加一些注解，在html的ajax请求也要加一些请求格式。[结合上面代码]