(好幾天沒有寫東西了,也沒有去練手了,就看了看這個。。。)
項目說明
老規(guī)矩,還是先看看小項目的目錄結(jié)構(gòu):
這里就只放了一點點代碼(代碼太長了)
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-thymeleaf -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
<version>2.2.4.RELEASE</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.60</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
spring:
profiles:
active: prod
spring:
datasource:
username: root
password: root
url: jdbc:mysql://localhost:3306/chat?useUnicode=true&characterEncoding=utf8&autoReconnect=true&useSSL=false&serverTimezone=UTC
driver-class-name: com.mysql.jdbc.Driver
#指定數(shù)據(jù)源
type: com.alibaba.druid.pool.DruidDataSource
# 數(shù)據(jù)源其他配置
initialSize: 5
minIdle: 5
maxActive: 20
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 1
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
poolPreparedStatements: true
# 配置監(jiān)控統(tǒng)計攔截的filters,去掉后監(jiān)控界面sql無法統(tǒng)計,'wall'用于防火墻
filters: stat,log4j
maxPoolPreparedStatementPerConnectionSize: 20
useGlobalDataSourceStat: true
connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
thymeleaf:
suffix: .html
prefix:
classpath: /templates/
cache: false
jackson: #返回的日期字段的格式
date-format: yyyy-MM-dd HH:mm:ss
time-zone: GMT+8
serialization:
write-dates-as-timestamps: false # true 使用時間戳顯示時間
http:
multipart:
max-file-size: 1000Mb
max-request-size: 1000Mb
#配置文件式開發(fā)
mybatis:
#全局配置文件的位置
config-location: classpath:mybatis/mybatis-config.xml
#所有sql映射配置文件的位置
mapper-locations: classpath:mybatis/mapper/**/*.xml
server:
session:
timeout: 7200
這里就不再多說了,有Login,Userinfo,ChatMsg,ChatFriends
(這里就舉出了一個,不再多說)
public interface ChatFriendsMapper {
//查詢所有的好友
List<ChatFriends> LookUserAllFriends(String userid);
//插入好友
void InsertUserFriend(ChatFriends chatFriends);
//判斷是否加好友
Integer JustTwoUserIsFriend(ChatFriends chatFriends);
//查詢用戶的信息
Userinfo LkUserinfoByUserid(String userid);
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.chat.mapper.ChatFriendsMapper">
<select id="LookUserAllFriends" resultType="com.chat.bean.ChatFriends" parameterType="java.lang.String">
select userid,nickname,uimg from userinfo where userid in (select a.fuserid from chat_friends a where a.userid=#{userid})
</select>
<insert id="InsertUserFriend" parameterType="com.chat.bean.ChatFriends">
insert into chat_friends (userid, fuserid) value (#{userid},#{fuserid})
</insert>
<select id="JustTwoUserIsFriend" parameterType="com.chat.bean.ChatFriends" resultType="java.lang.Integer">
select id from chat_friends where userid=#{userid} and fuserid=#{fuserid}
</select>
<select id="LkUserinfoByUserid" parameterType="java.lang.String" resultType="com.chat.bean.Userinfo">
select * from userinfo where userid=#{userid}
</select>
</mapper>
(同樣的業(yè)務(wù)層這里也就指出一個)
@Service
public class ChatFriendsService {
@Autowired
ChatFriendsMapper chatFriendsMapper;
public List<ChatFriends> LookUserAllFriends(String userid){
return chatFriendsMapper.LookUserAllFriends(userid);
}
public void InsertUserFriend(ChatFriends chatFriends){
chatFriendsMapper.InsertUserFriend(chatFriends);
}
public Integer JustTwoUserIsFriend(ChatFriends chatFriends){
return chatFriendsMapper.JustTwoUserIsFriend(chatFriends);
}
public Userinfo LkUserinfoByUserid(String userid){
return chatFriendsMapper.LkUserinfoByUserid(userid);
}
}
這里再說說項目的接口
(同樣就只寫一個)
@Controller
public class LoginCtrl {
@Autowired
LoginService loginService;
@GetMapping("/")
public String tologin(){
return "user/login";
}
/**
* 登陸
* */
@PostMapping("/justlogin")
@ResponseBody
public R login(@RequestBody Login login, HttpSession session){
login.setPassword(Md5Util.StringInMd5(login.getPassword()));
String userid=loginService.justLogin(login);
if(userid==null){
return R.error().message("賬號或者密碼錯誤");
}
session.setAttribute("userid",userid);
return R.ok().message("登錄成功");
}
}
public class EmojiFilter {
private static boolean isEmojiCharacter(char codePoint) {
return (codePoint==0x0) || (codePoint==0x9) || (codePoint==0xA)
|| (codePoint==0xD)
|| ((codePoint >=0x20) && (codePoint <=0xD7FF))
|| ((codePoint >=0xE000) && (codePoint <=0xFFFD))
|| ((codePoint >=0x10000) && (codePoint <=0x10FFFF));
}
@Test
public void testA(){
String s=EmojiFilter.filterEmoji("您好,你好啊");
System.out.println(s);
}
static String[] chars={"0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"};
/**
* 將普通字符串用md5加密,并轉(zhuǎn)化為16進制字符串
* @param str
* @return
*/
public static String StringInMd5(String str) {
// 消息簽名(摘要)
MessageDigest md5=null;
try {
// 參數(shù)代表的是算法名稱
md5=MessageDigest.getInstance("md5");
byte[] result=md5.digest(str.getBytes());
StringBuilder sb=new StringBuilder(32);
// 將結(jié)果轉(zhuǎn)為16進制字符 0~9 A~F
for (int i=0; i < result.length; i++) {
// 一個字節(jié)對應(yīng)兩個字符
byte x=result[i];
// 取得高位
int h=0x0f & (x >>> 4);
// 取得低位
int l=0x0f & x;
sb.append(chars[h]).append(chars[l]);
}
return sb.toString();
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
}
public class TestUtil {
@Test
public void testA(){
String s=Md5Util.StringInMd5("123456");
System.out.println(s);
}
}
@Configuration
public class DruidConfig {
@ConfigurationProperties(prefix="spring.datasource")
@Bean
public DataSource druid(){
return new DruidDataSource();
}
//配置Druid的監(jiān)控
//1.配置要給管理后臺的Servlet
@Bean
public ServletRegistrationBean servletRegistrationBean(){
ServletRegistrationBean bean=new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
Map<String,String> initParams=new HashMap<>();
initParams.put("loginUsername","admin");
initParams.put("loginPassword","admin233215");
initParams.put("allow","");//默認(rèn)允許ip訪問
initParams.put("deny","");
bean.setInitParameters(initParams);
return bean;
}
//2.配置一個監(jiān)控的filter
@Bean
public FilterRegistrationBean webStarFilter(){
FilterRegistrationBean bean=new FilterRegistrationBean();
bean.setFilter(new WebStatFilter());
Map<String,String> initParams=new HashMap<>();
initParams.put("exclusions","*.js,*.css,/druid/*");
bean.setInitParameters(initParams);
bean.setUrlPatterns(Arrays.asList("/*"));
return bean;
}
}
@Configuration
public class MyConfig extends WebMvcConfigurerAdapter {
//配置一個靜態(tài)文件的路徑 否則css和js無法使用,雖然默認(rèn)的靜態(tài)資源是放在static下,但是沒有配置里面的文件夾
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
}
@Bean
public WebMvcConfigurerAdapter WebMvcConfigurerAdapter() {
WebMvcConfigurerAdapter adapter=new WebMvcConfigurerAdapter() {
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
//registry.addResourceHandler("/pic/**").addResourceLocations("file:D:/chat/");
registry.addResourceHandler("/pic/**").addResourceLocations("file:D:/idea_project/SpringBoot/Project/Complete&&Finish/chat/chatmsg/");
super.addResourceHandlers(registry);
}
};
return adapter;
}
@Override
public void addInterceptors(InterceptorRegistry registry) {
//注冊TestInterceptor攔截器
InterceptorRegistration registration=registry.addInterceptor(new AdminInterceptor());
registration.addPathPatterns("/chat/*");
}
}
@Configuration
@EnableWebSocket
public class WebSocketConfig {
@Bean
public ServerEndpointExporter serverEndpointExporter() {
return new ServerEndpointExporter();
}
}
這是兩個不同的用戶
當(dāng)然了,還可以進行語音,添加好友 今天的就寫到這里吧!謝謝! 這里要提一下我的一個學(xué)長的個人博客,當(dāng)然了,還有我的,謝謝
作者:奶思
鏈接:https://juejin.im/post/5ea7994c5188256da14e972d
來源:掘金
者:五月君
轉(zhuǎn)發(fā)鏈接:https://mp.weixin.qq.com/s/TLKkRwftewa0uMvIRlOf5g
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