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【畅购商城】用户注册以及整合JWT


    1. 用户注册
    1. 接口
    POST ​​http://localhost:10010/web-service/user/register​​
    {
    "mobile":"13612345677",
    "password":"1234",
    "username":"jack3",
    "code":"3919"
    }
    1. 后端
    1. 保存前需要再次进行服务端校验

    1. 用户名是否注册
    2. 手机号是否注册
    3. 验证码是否失效
    4. 验证码是否错误
    2. 密码需要使用 BCrypt进行加密
    3. 步骤一:修改UserService接口,添加register方法
    /**
    * 用户注册
    * @param user
    * @return
    */
    public boolean register(User user) ;
    1. 步骤二:完善UserServiceImpl实现类
    @Override
    public boolean register(User user) {
    //密码加密
    String newPassword = BCrypt.hashpw(user.getPassword());
    user.setPassword(newPassword);
    //处理数据
    user.setCreatedAt(new Date());
    user.setUpdatedAt(user.getCreatedAt());
    int insert = baseMapper.insert(user);
    return insert == 1;
    }
    1. 步骤三:修改UserController,添加register方法
    /**
    * 用户注册
    * @param user
    * @return
    */
    @PostMapping("/register")
    public BaseResult register(@RequestBody User user){
    //服务端校验
    User findUser = userService.findByUsername(user.getUsername());
    if(findUser != null) {
    return BaseResult.error("用户名已经存在");
    }
    findUser = userService.findByMobile(user.getMobile());
    if(findUser != null) {
    return BaseResult.error("电话号码已经存在");
    }
    //验证码
    String code = stringRedisTemplate.opsForValue().get("sms_register" + user.getMobile());
    //删除redis中的验证码
    stringRedisTemplate.delete("sms_register" + user.getMobile());
    if(code == null) {
    return BaseResult.error("验证码失效");
    }
    if(!code.equals(user.getCode())) {
    return BaseResult.error("验证码不正确");
    }
    //注册
    boolean register = userService.register(user);
    if(register) {
    return BaseResult.ok("注册成功");
    }
    return BaseResult.error("注册失败");
    }
    1. 日期处理(可选)
    1. 编写 DateMetaObjectHandler 用于处理“创建时间”和“修改日期”
    package com.czxy.changgou4.handler;
    import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
    import org.apache.ibatis.reflection.MetaObject;
    import org.springframework.stereotype.Component;
    import java.util.Date;
    /**
    * @author 桐叔
    * @email liangtong@itcast.cn
    */
    @Component
    public class DateMetaObjectHandler implements MetaObjectHandler {
    @Override
    public void insertFill(MetaObject metaObject) {
    this.setFieldValByName("createdAt", new Date(), metaObject);
    this.setFieldValByName("updatedAt", new Date(), metaObject);
    }
    @Override
    public void updateFill(MetaObject metaObject) {
    this.setFieldValByName("updatedAt", new Date(), metaObject);
    }
    }
    1. 完善User JavaBean,设置填充方式
    @TableField(value="created_at",fill = FieldFill.INSERT)
    private Date createdAt;
    @TableField(value="updated_at",fill = FieldFill.INSERT_UPDATE)
    private Date updatedAt;
    1. 前端
    1. 步骤一:修改 api.js ,添加注册函数
    //注册
    register : ( user )=> {
    return axios.post('/web-service/user/register', user )
    }
    1. 步骤二:处理表单,验证码input绑定数据,提交按钮绑定事件
    <li class="checkcode">
    <label for="">验证码:</label>
    <input type="text" name="checkcode" v-model="user.code" />
    <button :disabled="btnDisabled" @click.prevent="sendSmsFn" >
    发送验证码<span v-show="btnDisabled">{{seconds}}秒</span>
    </button>
    <p :class="userMsg.smsData.code == 1 ? 'success' : 'error'">{{userMsg.smsData.message}} </p>
    </li>
    <li>
    <label for=""> </label>
    <input type="checkbox" class="chb" checked="checked" /> 我已阅读并同意《用户注册协议》
    </li>
    <li>
    <label for=""> </label>
    <input type="submit" value="" @click.prevent="registerFn" class="login_btn" />
    </li>

    1. 步骤三:完善data区域的user数据

    【畅购商城】用户注册以及整合JWT_验证码

          

    user : {  //表单封装数据
    username : "", //用户名
    mobile : "13699282444", //手机号
    password : "", //密码
    code : "" //验证码
    },

    1. 步骤四:编写registerFn函数

    async registerFn() {
    let { data } = await this.$request.register( this.user )
    if( data.code == 20000) {
    //成功
    this.$router.push('/login')
    } else {
    //失败--与发送验证码使用一个位置显示错误信息
    this.userMsg.smsData = data
    }
    }

            

    1. 整合JWT
    1. 整合分析

    【畅购商城】用户注册以及整合JWT_1024程序员节_02

    1. 生成token:在用户登录成功,根据用户的登录信息,生成登录标识token,并返回给浏览器。
    2. 使用token:完善ajax请求,在请求之前添加请求头,设置token
    3. 校验token:在网关中编写过滤器,进行请求进行拦截,并校验token。
    4. 白名单:在白名单中的请求,是不需要token可以直接访问的。
    1. 生成Token
    1. 用户登录成功,生成token,并将token响应给浏览器。(认证服务 AuthService)
    2. 步骤一:查看 application.yml文件,确定 jwt配置信息

    【畅购商城】用户注册以及整合JWT_java_03

    1. 步骤二:创建JwtProperties文件,用于加载sc.jwt配置信息

    【畅购商城】用户注册以及整合JWT_1024程序员节_04

    package com.czxy.changgou4.config;
    import com.czxy.changgou4.utils.RsaUtils;
    import lombok.Data;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.boot.context.properties.ConfigurationProperties;
    import org.springframework.stereotype.Component;
    import javax.annotation.PostConstruct;
    import java.io.File;
    import java.security.PrivateKey;
    import java.security.PublicKey;
    /**
    * @author 桐叔
    * @email liangtong@itcast.cn
    */
    @Data
    @ConfigurationProperties(prefix = "sc.jwt")
    @Component
    public class JwtProperties {
    private String secret; // 密钥
    private String pubKeyPath;// 公钥
    private String priKeyPath;// 私钥
    private int expire;// token过期时间
    private PublicKey publicKey; // 公钥
    private PrivateKey privateKey; // 私钥
    private static final Logger logger = LoggerFactory.getLogger(JwtProperties.class);
    @PostConstruct
    public void init(){
    try {
    File pubFile = new File(this.pubKeyPath);
    File priFile = new File(this.priKeyPath);
    if( !pubFile.exists() || !priFile.exists()){
    RsaUtils.generateKey( this.pubKeyPath ,this.priKeyPath , this.secret);
    }
    this.publicKey = RsaUtils.getPublicKey( this.pubKeyPath );
    this.privateKey = RsaUtils.getPrivateKey( this.priKeyPath );
    } catch (Exception e) {
    throw new RuntimeException(e.getMessage());
    }
    }
    }
    1. 步骤三:修改AuthController,注入JwtProperties,并使用JwtUtils生成token
    package com.czxy.changgou4.controller;
    /**
    * @author 桐叔
    * @email liangtong@itcast.cn
    */
    import com.czxy.changgou4.config.JwtProperties;
    import com.czxy.changgou4.domain.AuthUser;
    import com.czxy.changgou4.service.AuthService;
    import com.czxy.changgou4.utils.JwtUtils;
    import com.czxy.changgou4.vo.BaseResult;
    import org.springframework.data.redis.core.StringRedisTemplate;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.bind.annotation.RequestBody;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    import javax.annotation.Resource;
    /**
    * Created by liangtong.
    */
    @RestController
    @RequestMapping("/auth")
    public class AuthController {
    @Resource
    private AuthService authService;
    @Resource
    private StringRedisTemplate stringRedisTemplate;
    @Resource
    private JwtProperties jwtProperties;
    @PostMapping("/login")
    public BaseResult login(@RequestBody AuthUser user){
    //校验验证码--使用后删除
    String redisCode = stringRedisTemplate.opsForValue().get( "login" + user.getUsername() );
    stringRedisTemplate.delete( "login" + user.getUsername() );
    if(redisCode == null) {
    return BaseResult.error("验证码无效");
    }
    if(! redisCode.equalsIgnoreCase(user.getCode())) {
    return BaseResult.error("验证码错误");
    }
    //登录
    AuthUser loginUser = authService.login(user);
    if(loginUser != null ) {
    //生成Token
    String token = JwtUtils.generateToken(loginUser, jwtProperties.getExpire(), jwtProperties.getPrivateKey());
    return BaseResult.ok("登录成功").append("loginUser",loginUser).append("token", token);
    } else {
    return BaseResult.error("用户名或密码不匹配");
    }
    }
    }

    1. 使用token
    1. 步骤一:登录成功后保存token,修改 Login.vue页面

    【畅购商城】用户注册以及整合JWT_1024程序员节_05

    async loginFn() {
    let { data } = await this.$request.login( this.user )
    if( data.code == 20000) {
    //成功
    sessionStorage.setItem('user' , JSON.stringify(data.other.loginUser) )
    //保存token
    sessionStorage.setItem('token' , data.other.token )
    //跳转到首页
    this.$router.push('/')
    } else {
    this.errorMsg = data.message
    }
    }

    1. 步骤二:请求是自动携带token,修改apiclient.js,将token添加到请求头

    【畅购商城】用户注册以及整合JWT_1024程序员节_06

    //参考 https://axios.nuxtjs.org/helpers
    let token = sessionStorage.getItem('token')
    if( token ) {
    // Adds header: `Authorization: 123` to all requests
    // this.$axios.setToken('123')
    $axios.setToken( token )
    }
    1. 步骤三:检查 nuxt.conf.js,插件模式改成“client”

    1. 否则抛异常“sessionStorage is not defined”
    plugins: [
    { src: '~plugins/apiclient.js', mode: 'client' }
    ],

    1. 校验token
    1. token的校验在网关项目处完成
    2. 步骤一:修改application.yml添加jwt配置

    【畅购商城】用户注册以及整合JWT_java_07

    #自定义内容

    sc:

      jwt:

        secret: sc@Login(Auth}*^31)&czxy% # 登录校验的密钥

        pubKeyPath: D:/rsa/rsa.pub # 公钥地址

        priKeyPath: D:/rsa/rsa.pri # 私钥地址

        expire: 360 # 过期时间,单位分钟

    1. 步骤二:创建 JwtProperties,用于加载配置文件

    【畅购商城】用户注册以及整合JWT_java_08

    package com.czxy.changgou4.config;
    import com.czxy.changgou4.utils.RsaUtils;
    import lombok.Data;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.boot.context.properties.ConfigurationProperties;
    import org.springframework.stereotype.Component;
    import javax.annotation.PostConstruct;
    import java.io.File;
    import java.security.PrivateKey;
    import java.security.PublicKey;
    /**
    * @author 桐叔
    * @email liangtong@itcast.cn
    */
    @Data
    @ConfigurationProperties(prefix = "sc.jwt")
    public class JwtProperties {
    private String secret; // 密钥
    private String pubKeyPath;// 公钥
    private String priKeyPath;// 私钥
    private int expire;// token过期时间
    private PublicKey publicKey; // 公钥
    private PrivateKey privateKey; // 私钥
    private static final Logger logger = LoggerFactory.getLogger(JwtProperties.class);
    @PostConstruct
    public void init(){
    try {
    File pubFile = new File(this.pubKeyPath);
    File priFile = new File(this.priKeyPath);
    if( !pubFile.exists() || !priFile.exists()){
    RsaUtils.generateKey( this.pubKeyPath ,this.priKeyPath , this.secret);
    }
    this.publicKey = RsaUtils.getPublicKey( this.pubKeyPath );
    this.privateKey = RsaUtils.getPrivateKey( this.priKeyPath );
    } catch (Exception e) {
    throw new RuntimeException(e.getMessage());
    }
    }
    }

    1. 步骤三:编写过滤器,对所有路径进行拦截

    【畅购商城】用户注册以及整合JWT_redis_09

    package com.czxy.changgou4.filter;
    import com.czxy.changgou4.config.FilterProperties;
    import com.czxy.changgou4.config.JwtProperties;
    import com.czxy.changgou4.pojo.User;
    import com.czxy.changgou4.utils.JwtUtils;
    import com.czxy.changgou4.utils.RsaUtils;
    import org.springframework.boot.context.properties.EnableConfigurationProperties;
    import org.springframework.cloud.gateway.filter.GatewayFilterChain;
    import org.springframework.cloud.gateway.filter.GlobalFilter;
    import org.springframework.core.Ordered;
    import org.springframework.core.io.buffer.DataBuffer;
    import org.springframework.http.HttpStatus;
    import org.springframework.http.server.reactive.ServerHttpRequest;
    import org.springframework.http.server.reactive.ServerHttpResponse;
    import org.springframework.stereotype.Component;
    import org.springframework.web.server.ServerWebExchange;
    import reactor.core.publisher.Flux;
    import reactor.core.publisher.Mono;
    import javax.annotation.Resource;
    import java.nio.charset.StandardCharsets;
    /**
    * @author 桐叔
    * @email liangtong@itcast.cn
    */
    @Component
    public class LoginFilter implements GlobalFilter, Ordered {
    @Resource
    private JwtProperties jwtProperties;
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
    //1 获得请求路径
    ServerHttpRequest request = exchange.getRequest();
    String path = request.getURI().getPath();
    System.out.println(path);
    //2 白名单放行
    //3 获得token
    String token = request.getHeaders().getFirst("Authorization");
    //4 校验token
    try {
    JwtUtils.getObjectFromToken(token, RsaUtils.getPublicKey(jwtProperties.getPubKeyPath()), User.class);
    return chain.filter(exchange);
    } catch (Exception e) {
    ServerHttpResponse response = exchange.getResponse();
    response.setStatusCode(HttpStatus.UNAUTHORIZED);
    response.getHeaders().add("Content-Type","application/json;charset=UTF-8");
    DataBuffer wrap = response.bufferFactory().wrap("没有权限".getBytes(StandardCharsets.UTF_8));
    return exchange.getResponse().writeWith(Flux.just(wrap));
    }
    }
    @Override
    public int getOrder() {
    return 1;
    }
    }

    1. 步骤四:修改前端 apiclient.js 文件,用于处理401异常

    【畅购商城】用户注册以及整合JWT_java_10

    //处理响应异常
    $axios.onError(error => {
    // token失效,服务器响应401
    if(error.response.status === 401) {
    console.error(error.response.data)
    redirect('/login')
    }
    })

    1. api.js 完整代码

    var axios = null
    export default ({ $axios, redirect, process }, inject) => {
    //参考 https://axios.nuxtjs.org/helpers
    let token = sessionStorage.getItem('token')
    if( token ) {
    // Adds header: `Authorization: 123` to all requests
    // this.$axios.setToken('123')
    $axios.setToken( token )
    }
    //处理响应异常
    $axios.onError(error => {
    // token失效,服务器响应401
    if(error.response.status === 401) {
    console.error(error.response.data)
    redirect('/login')
    }
    })
    //赋值
    axios = $axios
    //4) 将自定义函数交于nuxt
    // 使用方式1:在vue中,this.$request.xxx()
    // 使用方式2:在nuxt的asyncData中,content.app.$request.xxx()
    inject('request', request)
    }

    1. 白名单
    1. 不需要拦截的资源都配置到yml文件中,在过滤器直接放行
    2. 步骤一:修改application.yml文件

    【畅购商城】用户注册以及整合JWT_redis_11

    #自定义内容

    sc:
    jwt:
    secret: sc@Login(Auth}*^31)&czxy% # 登录校验的密钥
    pubKeyPath: D:/rsa/rsa.pub # 公钥地址
    priKeyPath: D:/rsa/rsa.pri # 私钥地址
    expire: 360 # 过期时间,单位分钟

      filter:

        allowPaths:

      

    - /checkusername
    - /checkmobile
    - /sms
    - /register
    - /login
    - /verifycode
    - /categorys
    - /news
    - /brands
    - /specifications
    - /search
    - /goods
    - /comments
    - swagger
    - /api-docs

    1. 步骤二:创建FilterProperties配置文件,用于存放允许放行的路径

    【畅购商城】用户注册以及整合JWT_1024程序员节_12

    package com.czxy.changgou4.config;
    import lombok.Data;
    import org.springframework.boot.context.properties.ConfigurationProperties;
    import java.util.List;
    /**
    * @author 桐叔
    * @email liangtong@itcast.cn
    */
    @Data
    @ConfigurationProperties(prefix="sc.filter")
    public class FilterProperties {
    //允许访问路径集合
    private List<String> allowPaths;
    }

    【畅购商城】用户注册以及整合JWT_验证码_13

    1. 步骤三:修改 LoginFilter,放行名单中配置的路径

    package com.czxy.changgou4.filter;
    import com.czxy.changgou4.config.FilterProperties;
    import com.czxy.changgou4.config.JwtProperties;
    import com.czxy.changgou4.pojo.User;
    import com.czxy.changgou4.utils.JwtUtils;
    import com.czxy.changgou4.utils.RsaUtils;
    import org.springframework.boot.context.properties.EnableConfigurationProperties;
    import org.springframework.cloud.gateway.filter.GatewayFilterChain;
    import org.springframework.cloud.gateway.filter.GlobalFilter;
    import org.springframework.core.Ordered;
    import org.springframework.core.io.buffer.DataBuffer;
    import org.springframework.http.HttpStatus;
    import org.springframework.http.server.reactive.ServerHttpRequest;
    import org.springframework.http.server.reactive.ServerHttpResponse;
    import org.springframework.stereotype.Component;
    import org.springframework.web.server.ServerWebExchange;
    import reactor.core.publisher.Flux;
    import reactor.core.publisher.Mono;
    import javax.annotation.Resource;
    import java.nio.charset.StandardCharsets;
    /**
    * @author 桐叔
    * @email liangtong@itcast.cn
    */
    @Component
    //2.1 加载JWT配置类
    @EnableConfigurationProperties({FilterProperties.class} ) //加载配置类
    public class LoginFilter implements GlobalFilter, Ordered {
    @Resource
    private FilterProperties filterProperties;
    @Resource
    private JwtProperties jwtProperties;
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
    //1 获得请求路径
    ServerHttpRequest request = exchange.getRequest();
    String path = request.getURI().getPath();
    System.out.println(path);
    //2 白名单放行
    for (String allowPath : filterProperties.getAllowPaths()) {
    //判断包含
    if(path.contains(allowPath)){
    return chain.filter(exchange);
    }
    }
    //3 获得token
    String token = request.getHeaders().getFirst("Authorization");
    //4 校验token
    try {
    JwtUtils.getObjectFromToken(token, RsaUtils.getPublicKey(jwtProperties.getPubKeyPath()), User.class);
    return chain.filter(exchange);
    } catch (Exception e) {
    ServerHttpResponse response = exchange.getResponse();
    response.setStatusCode(HttpStatus.UNAUTHORIZED);
    response.getHeaders().add("Content-Type","application/json;charset=UTF-8");
    DataBuffer wrap = response.bufferFactory().wrap("没有权限".getBytes(StandardCharsets.UTF_8));
    return exchange.getResponse().writeWith(Flux.just(wrap));
    }
    }
    @Override
    public int getOrder() {
    return 1;
    }
    }

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