往期回顾
粤嵌实训医疗项目day02（Vue + SpringBoot）-CSDN博客
粤嵌实训医疗项目--day01（Vue+SpringBoot）-CSDN博客
目录
一、SpringBoot AOP的使用
二、用户模块-注册功能（文件上传）
三、用户模块-注册实现
四、用户模块-登录-校验码
一、项目SpringBoot AOP的使用（增添日志输出等）
在vaccinum包下创建aspect包并输入以下代码
@Aspect
@Component
public class LogAspect {
private final static Logger LOG = LoggerFactory.getLogger(LogAspect.class);
/** 定义一个切点 */
@Pointcut("execution(public * com.example.vaccinum.controller..*Controller.*(..))")
public void controllerPointcut() {}
@Resource
private SnowFlake snowFlake;
@Before("controllerPointcut()")
public void doBefore(JoinPoint joinPoint) throws Throwable {
// 增加日志流水号
MDC.put("LOG_ID", String.valueOf(snowFlake.nextId()));
// 开始打印请求日志
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();
Signature signature = joinPoint.getSignature();
String name = signature.getName();
// 打印请求信息
LOG.info("------------- 开始 -------------");
LOG.info("请求地址: {} {}", request.getRequestURL().toString(), request.getMethod());
LOG.info("类名方法: {}.{}", signature.getDeclaringTypeName(), name);
LOG.info("远程地址: {}", request.getRemoteAddr());
RequestContext.setRemoteAddr(getRemoteIp(request));
// 打印请求参数
Object[] args = joinPoint.getArgs();
// LOG.info("请求参数: {}", JSONObject.toJSONString(args));
Object[] arguments = new Object[args.length];
for (int i = 0; i < args.length; i++) {
if (args[i] instanceof ServletRequest
|| args[i] instanceof ServletResponse
|| args[i] instanceof MultipartFile) {
continue;
}
arguments[i] = args[i];
}
// 排除字段，敏感字段或太长的字段不显示
String[] excludeProperties = {"password", "file"};
PropertyPreFilters filters = new PropertyPreFilters();
PropertyPreFilters.MySimplePropertyPreFilter excludefilter = filters.addFilter();
excludefilter.addExcludes(excludeProperties);
LOG.info("请求参数: {}", JSONObject.toJSONString(arguments, excludefilter));
}
@Around("controllerPointcut()")
public Object doAround(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
long startTime = System.currentTimeMillis();
Object result = proceedingJoinPoint.proceed();
// 排除字段，敏感字段或太长的字段不显示
String[] excludeProperties = {"password", "file"};
PropertyPreFilters filters = new PropertyPreFilters();
PropertyPreFilters.MySimplePropertyPreFilter excludefilter = filters.addFilter();
excludefilter.addExcludes(excludeProperties);
LOG.info("返回结果: {}", JSONObject.toJSONString(result, excludefilter));
LOG.info("------------- 结束 耗时：{} ms -------------", System.currentTimeMillis() - startTime);
return result;
}
/**
* 使用nginx做反向代理，需要用该方法才能取到真实的远程IP
* @param request
* @return
*/
public String getRemoteIp(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip;
}
}再在vaccinum包下创建util包并引入两个类
1.用于存储和获取当前请求的远程地址类RequestContext
package com.example.vaccinum.util;
import java.io.Serializable;
public class RequestContext implements Serializable {
private static ThreadLocal<String> remoteAddr = new ThreadLocal<>();
public static String getRemoteAddr() {
return remoteAddr.get();
}
public static void setRemoteAddr(String remoteAddr) {
RequestContext.remoteAddr.set(remoteAddr);
}
}
2.雪花算法类SnowFlaske
package com.example.vaccinum.util;
import org.springframework.stereotype.Component;
import java.text.ParseException;
/**
* Twitter的分布式自增ID雪花算法
**/
@Component
public class SnowFlake {
/**
* 起始的时间戳
*/
private final static long START_STMP = 1609459200000L; // 2021-01-01 00:00:00
/**
* 每一部分占用的位数
*/
private final static long SEQUENCE_BIT = 12; //序列号占用的位数
private final static long MACHINE_BIT = 5; //机器标识占用的位数
private final static long DATACENTER_BIT = 5;//数据中心占用的位数
/**
* 每一部分的最大值
*/
private final static long MAX_DATACENTER_NUM = -1L ^ (-1L << DATACENTER_BIT);
private final static long MAX_MACHINE_NUM = -1L ^ (-1L << MACHINE_BIT);
private final static long MAX_SEQUENCE = -1L ^ (-1L << SEQUENCE_BIT);
/**
* 每一部分向左的位移
*/
private final static long MACHINE_LEFT = SEQUENCE_BIT;
private final static long DATACENTER_LEFT = SEQUENCE_BIT + MACHINE_BIT;
private final static long TIMESTMP_LEFT = DATACENTER_LEFT + DATACENTER_BIT;
private long datacenterId = 1; //数据中心
private long machineId = 1; //机器标识
private long sequence = 0L; //序列号
private long lastStmp = -1L;//上一次时间戳
public SnowFlake() {
}
public SnowFlake(long datacenterId, long machineId) {
if (datacenterId > MAX_DATACENTER_NUM || datacenterId < 0) {
throw new IllegalArgumentException("datacenterId can't be greater than MAX_DATACENTER_NUM or less than 0");
}
if (machineId > MAX_MACHINE_NUM || machineId < 0) {
throw new IllegalArgumentException("machineId can't be greater than MAX_MACHINE_NUM or less than 0");
}
this.datacenterId = datacenterId;
this.machineId = machineId;
}
/**
* 产生下一个ID
*
* @return
*/
public synchronized long nextId() {
long currStmp = getNewstmp();
if (currStmp < lastStmp) {
throw new RuntimeException("Clock moved backwards. Refusing to generate id");
}
if (currStmp == lastStmp) {
//相同毫秒内，序列号自增
sequence = (sequence + 1) & MAX_SEQUENCE;
//同一毫秒的序列数已经达到最大
if (sequence == 0L) {
currStmp = getNextMill();
}
} else {
//不同毫秒内，序列号置为0
sequence = 0L;
}
lastStmp = currStmp;
return (currStmp - START_STMP) << TIMESTMP_LEFT //时间戳部分
| datacenterId << DATACENTER_LEFT //数据中心部分
| machineId << MACHINE_LEFT //机器标识部分
| sequence; //序列号部分
}
private long getNextMill() {
long mill = getNewstmp();
while (mill <= lastStmp) {
mill = getNewstmp();
}
return mill;
}
private long getNewstmp() {
return System.currentTimeMillis();
}
public static void main(String[] args) throws ParseException {
// 时间戳
// System.out.println(System.currentTimeMillis());
// System.out.println(new Date().getTime());
//
// String dateTime = "2021-01-01 08:00:00";
// SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
// System.out.println(sdf.parse(dateTime).getTime());
SnowFlake snowFlake = new SnowFlake(1, 1);
long start = System.currentTimeMillis();
for (int i = 0; i < 10; i++) {
System.out.println(snowFlake.nextId());
System.out.println(System.currentTimeMillis() - start);
}
}
}
还需要导入如下依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.70</version>
</dependency>
spring-boot-starter-aop：这是Spring Boot提供的一个AOP（面向切面编程）模块的启动器，它包含了Spring AOP和AspectJ等AOP框架的依赖，可以方便地在Spring Boot应用中使用AOP。AOP可以通过切面（Aspect）来实现横向逻辑的复用，比如日志记录、事务管理、权限控制等。
fastjson：这是阿里巴巴开源的一个JSON序列化/反序列化框架，它可以将Java对象转换成JSON字符串，也可以将JSON字符串转换成Java对象。fastjson具有快速、稳定、高效的特点，广泛应用于Java应用的数据交换、RPC调用、消息队列等场景。在Spring Boot应用中，fastjson可以作为默认的JSON序列化/反序列化工具，也可以与其他JSON库一起使用。
二、用户模块-注册功能（文件上传）
--在controller层提供FileController文件上传的接口、在本地创建存储图片的文件夹
1.创建上传图片接口
@RestController
@RequestMapping("/file")
public class FileController {
@RequestMapping("/upload")
public String upload(MultipartFile file) throws IOException {
String uuid = UUID.randomUUID().toString();
// 1.1获取文件真实名称 123.jpg
String filename = file.getOriginalFilename();
// 2.图片名称修改
// 后缀
String substring = filename.substring(filename.lastIndexOf("."));
// 拼接uuid和后缀名
filename = uuid +substring;
// 3.如何存到本地磁盘中 文件的上传
file.transferTo(new File("E:\\实训\\upload\\"+filename));
return "http://localhost:8085/" + filename;
}
}通过uuid类可以使得上传到本地磁盘文件名不会出现重复
--在Login.vue提供对话框、在data中提供form变量
找到Login.vue对应注册组件
<!-- 对话框 -->
<el-dialog :visible.sync="dialogVisible" title="注册账号" width="30%">
<el-form :model="form" label-width="120px">
<el-form-item label="名称">
<el-input v-model="form.name" style="width: 80%"></el-input>
</el-form-item>
<el-form-item label="手机号码">
<el-input v-model="form.phone" style="width: 80%"></el-input>
</el-form-item>
<el-form-item label="密码">
<el-input v-model="form.password" style="width: 80%"></el-input>
</el-form-item>
<el-form-item label="头像">
<!-- action表示为上传文件的url -->
<el-upload
class="avatar-uploader"
action="http://localhost:8088/file/upload/"
:show-file-list="false"
:on-success="handleAvatarSuccess"
:before-upload="beforeAvatarUpload"
>
<img v-if="imageUrl" :src="imageUrl" class="avatar" />
<i v-else class="el-icon-plus avatar-uploader-icon"></i>
</el-upload>
</el-form-item>
<el-form-item label="身份证号">
<el-input v-model="form.code" style="width: 80%"></el-input>
</el-form-item>
<el-form-item label="邮箱">
<el-input v-model="form.email" style="width: 80%"></el-input>
</el-form-item>
<el-form-item label="性别">
<el-input v-model="form.sex" style="width: 80%"></el-input>
</el-form-item>
<el-form-item label="年龄">
<el-input v-model="form.age" style="width: 80%"></el-input>
</el-form-item>
</el-form>
<template #footer>
<span class="dialog-footer">
<el-button @click="dialogVisible = false">取消</el-button>
<el-button type="primary" @click="save()">确定</el-button>
</span>
</template>
</el-dialog>--在methods中提供上传的处理函数
测试功能：
可以看到成功上传成功并且展示出存放到磁盘中的图片
三、用户模块-注册实现
--在用户实体中提供主键字段
在vaccinum架构下创建userInfo表单
DROP TABLE IF EXISTS `user_info`;
CREATE TABLE `user_info` (
`user_id` bigint(20) NOT NULL COMMENT '用户id',
`code` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '身份证',
`email` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '邮箱',
`sex` varchar(25) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '性别',
`age` int(11) NULL DEFAULT NULL COMMENT '年龄',
`job` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '职位',
`status` int(11) NULL DEFAULT 0 COMMENT '用户通行码-0绿码-1黄码-2红码',
PRIMARY KEY (`user_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '用户信息' ROW_FORMAT = DYNAMIC;
-- ----------------------------
-- Records of user_info
-- ----------------------------
INSERT INTO `user_info` VALUES (2, '456379865132485', '752963252@qq.com', '男', 45, '', 2);
INSERT INTO `user_info` VALUES (3, '123465789651', '5689562@qq.com', '男', 16, NULL, 1);
INSERT INTO `user_info` VALUES (9, '阿斯顿', 'asd', '女', 12, 'asd', 0);
INSERT INTO `user_info` VALUES (10, '34', '34', '女', 3, '4', 0);
INSERT INTO `user_info` VALUES (12, 'asd', 'asd', '男', 23, 'ghf', 0);
INSERT INTO `user_info` VALUES (16, 'asd', 'asd', '男', 12, 'asd', 0);通过插件mbatisx使用逆向，自动创建对应三层架构的代码
idea实现数据库连接
下载完对应驱动后进行配置
使用mybatisx插件
mybatisx逆向配置
创建完后对应userInfo实体类，需要进行修改
@Data
@EqualsAndHashCode(callSuper = false)
public class UserInfo implements Serializable {
private static final long serialVersionUID = 1L;
/**
* 用户id INPUT设置为手动输入id
*/
@TableId(value = "user_id", type = IdType.INPUT)
private Long userId;
/**
* username
*/
@TableField(exist = false)
private String userName;
/**
* 身份证
*/
private String code;
/**
* 邮箱
*/
private String email;
/**
* 性别
*/
private String sex;
/**
* 年龄
*/
private Integer age;
/**
* 职位
*/
private String job;
/**
* 用户通行码-0绿码-1黄码-2红码
*/
private Integer status;
@TableField(exist = false)
private User user;
}在启动类中添加扫描mapper的注解
--在用户controller中提供注册接口
@Autowired
UserInfoService userInfoService;
//定义一个请求接口来实现用户的注册 user、userinfo
@RequestMapping("/register")
public String register(User user,UserInfo userInfo) throws JsonProcessingException {
// 1.创建json解析工具
ObjectMapper json = new ObjectMapper();
// 2.返回的结果集
HashMap map = new HashMap<>();
// 3.调用方法添加数据
boolean save = userService.save(user);
// 4.添加userInfo的数据 需要设置 user的id主键 为 userinfo id的值
userInfo.setUserId(user.getId());
boolean save1 = userInfoService.save(userInfo);
// 响应结果
map.put("flag",save&&save1);
// 返回解析好的json数据
return json.writeValueAsString(map);
}前端设置好请求
--在文件上传成功后，把服务器响应的图片url赋值到form.image
--修改页面提供save函数和异步请求操作
//注册的函数
save() {
//发起一个异步请求，查询分类的数据
request
// post 请求方式
.post("/gec/user/register", this.form)
// then表示请求后的回调函数
.then((res) => {
//判断操作是否成功
if (res.ok == true) {
//消息提示
this.$message({
message: "注册成功",
type: "success",
});
//把form的数据清空
this.form = {
name: "",
phone: "",
password: "",
image: "",
code: "",
email: "",
sex: "",
age: "",
};
//关闭对话框
this.dialogVisible = false;
} else {
this.$message.error("注册失败");
}
});
},功能展示：
前端展示：
数据库展示：
四、用户模块-登录-校验码
在项目中的resource下创建lib包并设置为库,放入以下两个jar包
检测是否变成库
--在项目中提供验证码的controller接口【注意使用：jdk8】
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.code.kaptcha.impl.DefaultKaptcha;
import com.google.code.kaptcha.util.Config;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
//sun.misc.BASE64Encoder jdk8提供
import sun.misc.BASE64Encoder;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Properties;
@RestController
@RequestMapping("/captcha")
public class CaptchaController {
//返回验证码
@RequestMapping("/getCaptcha")
public void getCaptcha(HttpServletRequest request, HttpServletResponse response) throws Exception {
//验证码生成器
DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
//配置
Properties properties = new Properties();
//是否有边框
properties.setProperty("kaptcha.border", "yes");
//设置边框颜色
properties.setProperty("kaptcha.border.color", "105,179,90");
//边框粗细度，默认为1
// properties.setProperty("kaptcha.border.thickness","1");
//验证码
properties.setProperty("kaptcha.session.key", "code");
//验证码文本字符颜色 默认为黑色
properties.setProperty("kaptcha.textproducer.font.color", "blue");
//设置字体样式
properties.setProperty("kaptcha.textproducer.font.names", "宋体,楷体,微软雅 黑");
//字体大小，默认40
properties.setProperty("kaptcha.textproducer.font.size", "30");
//验证码文本字符内容范围 默认为abced2345678gfynmnpwx
// properties.setProperty("kaptcha.textproducer.char.string", "");
//字符长度，默认为5
properties.setProperty("kaptcha.textproducer.char.length", "4");
//字符间距 默认为2
properties.setProperty("kaptcha.textproducer.char.space", "4");
//验证码图片宽度 默认为200
properties.setProperty("kaptcha.image.width", "100");
//验证码图片高度 默认为40
properties.setProperty("kaptcha.image.height", "40");
Config config = new Config(properties); //当前对象包引用路径 为 google
defaultKaptcha.setConfig(config);
//定义response输出类型为image/jpeg
response.setDateHeader("Expires", 0);
response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
response.addHeader("Cache-Control", "post-check=0, pre-check=0");
response.setHeader("Pragma", "no-cache");
response.setContentType("image/jpeg");
//---------------------------生成验证码----------------------
//获取验证码文本内容
String text = defaultKaptcha.createText();
System.out.println("验证码: " + text);
//captcha作为key，将验证码放到session中
request.getSession().setAttribute("captcha", text);
//根据文本内容创建图形验证码
BufferedImage image = defaultKaptcha.createImage(text);
//创建IO流
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
//输出流输出图片,格式为jpg
ImageIO.write(image, "jpg", baos);
} catch (IOException e) {
e.printStackTrace();
}
byte[] bytes = baos.toByteArray();//把流转换成字节数组
BASE64Encoder encoder = new BASE64Encoder();
String imgStr = encoder.encodeBuffer(bytes).trim();
System.out.println(imgStr);
HashMap<String, Object> map = new HashMap<>();
map.put("code", 200);
map.put("imgStr", imgStr);
ObjectMapper objectMapper = new ObjectMapper();
String json = objectMapper.writeValueAsString(map);
response.getWriter().println(json);
}
}
--在用户controller中修改登录请求
//定义一个请求接口来实现用户登录
@RequestMapping("login")
public String login(String phone, String password, String code, HttpSession session) throws JsonProcessingException {
//定义json解析工具
ObjectMapper objectMapper = new ObjectMapper();
//key-value集合结果
HashMap result = new HashMap();
//获取正确的验证码
String captcha = (String) session.getAttribute("captcha");
// 进行验证码判断
if(!code.equals(captcha)){
//保存到map中
result.put("ok", false);
result.put("message", "验证码错误");
//返回解析的json数据
return objectMapper.writeValueAsString(result);
}
//调用业务层的方法进行登录查询 【手机号码、密码】
QueryWrapper<User> userQueryWrapper = new QueryWrapper<>();
userQueryWrapper.eq("phone", phone);
userQueryWrapper.eq("password", password);
//根据条件进行查询
User user = userService.getOne(userQueryWrapper);
//判断
if (user != null) {//登录成功
//保存到map中
result.put("ok", true);
result.put("user", user);
} else {
result.put("ok", false);
result.put("message", "用户名或密码错误");
}
//返回解析的json数据
return objectMapper.writeValueAsString(result);
}--在script中提供生命周期、及获取验证码的函数
created() {
this.getCode();
//this.getCookie();
},getCode() {
request.get("/captcha/getCaptcha").then((res) => {
console.log("res:", res);
if (res.code == "200") {
this.codeUrl = "data:image/jpg;base64," + res.imgStr;
}
});
},效果展示 ：
验证码判断
正确验证码与正确账号密码下正常登陆。
![[NSSCTF 2nd] web刷题记录](https://img-blog.csdnimg.cn/07e44ff1ffc846009243f4258b48f6e8.png)
![[python 刷题] 974 Subarray Sums Divisible by K](https://img-blog.csdnimg.cn/e95817a874eb47069ad80b9dda2c3fbe.jpeg#pic_center)
