使用NoSQL数据库-redis

spring-boot-demo-17-1/pom.xml

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+<?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.roncoo.education</groupId>
+	<artifactId>spring-boot-demo-17-1</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<name>spring-boot-demo-17-1</name>
+	<description>Demo project for Spring Boot</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.4.0.RELEASE</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-freemarker</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.webjars</groupId>
+			<artifactId>jquery</artifactId>
+			<version>2.1.4</version>
+		</dependency>
+
+		<!-- 数据库 -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-redis</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+
+</project>

spring-boot-demo-17-1/src/main/java/com/roncoo/example/SpringBootDemo171Application.java

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+package com.roncoo.example;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.servlet.ServletComponentScan;
+
+@ServletComponentScan
+@SpringBootApplication
+public class SpringBootDemo171Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringBootDemo171Application.class, args);
+	}
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/bean/RoncooUser.java

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+package com.roncoo.example.bean;
+
+import java.util.Date;
+
+public class RoncooUser {
+	private int id;
+	private String name;
+	private Date createTime;
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public Date getCreateTime() {
+		return createTime;
+	}
+
+	public void setCreateTime(Date createTime) {
+		this.createTime = createTime;
+	}
+
+	@Override
+	public String toString() {
+		return "RoncooUser [id=" + id + ", name=" + name + ", createTime=" + createTime + "]";
+	}
+
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/bean/RoncooUserLog.java

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+package com.roncoo.example.bean;
+
+import java.util.Date;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class RoncooUserLog {
+
+	@Id
+	@GeneratedValue
+	private Integer id;
+
+	@Column
+	private Date createTime;
+
+	@Column
+	private String userName;
+
+	@Column
+	private String userIp;
+
+	public Integer getId() {
+		return id;
+	}
+
+	public void setId(Integer id) {
+		this.id = id;
+	}
+
+	public Date getCreateTime() {
+		return createTime;
+	}
+
+	public void setCreateTime(Date createTime) {
+		this.createTime = createTime;
+	}
+
+	public String getUserName() {
+		return userName;
+	}
+
+	public void setUserName(String userName) {
+		this.userName = userName;
+	}
+
+	public String getUserIp() {
+		return userIp;
+	}
+
+	public void setUserIp(String userIp) {
+		this.userIp = userIp;
+	}
+
+	@Override
+	public String toString() {
+		return "RoncooUserLog [id=" + id + ", createTime=" + createTime + ", userName=" + userName + ", userIp=" + userIp + "]";
+	}
+
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/component/RoncooRedisComponent.java

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+package com.roncoo.example.component;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.data.redis.core.ValueOperations;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author wujing
+ */
+@Component
+public class RoncooRedisComponent {
+
+	@Autowired
+	private StringRedisTemplate stringRedisTemplate;
+
+	public void set(String key, String value) {
+		ValueOperations<String, String> ops = this.stringRedisTemplate.opsForValue();
+		if (!this.stringRedisTemplate.hasKey(key)) {
+			ops.set(key, value);
+			System.out.println("set key success");
+		} else {
+			// 存在则打印之前的value值
+			System.out.println("this key = " + ops.get(key));
+		}
+	}
+
+	public String get(String key) {
+		return this.stringRedisTemplate.opsForValue().get(key);
+	}
+
+	public void del(String key) {
+		this.stringRedisTemplate.delete(key);
+	}
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/controller/ApiController.java

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+package com.roncoo.example.controller;
+
+import java.util.HashMap;
+
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api")
+public class ApiController {
+
+	@CrossOrigin(origins = "http://localhost:8080")
+	@RequestMapping(value = "/get", method = RequestMethod.POST)
+	public HashMap<String, Object> get(@RequestParam String name) {
+		HashMap<String, Object> map = new HashMap<String, Object>();
+		map.put("title", "hello world");
+		map.put("name", name);
+		return map;
+	}
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/controller/FileController.java

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+package com.roncoo.example.controller;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.UUID;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.multipart.MultipartFile;
+
+@Controller
+@RequestMapping(value = "/file")
+public class FileController {
+
+	private static final Logger logger = LoggerFactory.getLogger(FileController.class);
+
+	@RequestMapping(value = "upload")
+	@ResponseBody
+	public String upload(@RequestParam("roncooFile") MultipartFile file) {
+		if (file.isEmpty()) {
+			return "文件为空";
+		}
+
+		// 获取文件名
+		String fileName = file.getOriginalFilename();
+		logger.info("上传的文件名为：" + fileName);
+
+		// 获取文件的后缀名
+		String suffixName = fileName.substring(fileName.lastIndexOf("."));
+		logger.info("上传的后缀名为：" + suffixName);
+
+		// 文件上传路径
+		String filePath = "d:/roncoo/education/";
+
+		// 解决中文问题，liunx下中文路径，图片显示问题
+		fileName = UUID.randomUUID() + suffixName;
+
+		File dest = new File(filePath + fileName);
+
+		// 检测是否存在目录
+		if (!dest.getParentFile().exists()) {
+			dest.getParentFile().mkdirs();
+		}
+
+		try {
+			file.transferTo(dest);
+			return "上传成功";
+		} catch (IllegalStateException e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		return "上传失败";
+	}
+
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/controller/WebController.java

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+package com.roncoo.example.controller;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping("/web")
+public class WebController {
+
+	private static final Logger logger =  LoggerFactory.getLogger(WebController.class);
+
+	@RequestMapping("index")
+	public String index(ModelMap map){
+		logger.info("这里是controller");
+		map.put("title", "hello world");
+		return "index"; // 注意，不要在最前面加上/，linux下面会出错
+	}
+
+	@RequestMapping("error")
+	public String error(ModelMap map){
+		throw new RuntimeException("测试异常");
+	}
+
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/dao/RoncooUserDao.java

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+package com.roncoo.example.dao;
+
+import com.roncoo.example.bean.RoncooUser;
+import com.roncoo.example.util.base.Page;
+
+public interface RoncooUserDao {
+
+	int insert(RoncooUser roncooUser);
+
+	int deleteById(int id);
+
+	int updateById(RoncooUser roncooUser);
+
+	RoncooUser selectById(int id);
+
+	Page<RoncooUser> queryForPage(int i, int j, String string);
+
+}

spring-boot-demo-17-1/src/main/java/com/roncoo/example/dao/RoncooUserLogDao.java

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+package com.roncoo.example.dao;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import com.roncoo.example.bean.RoncooUserLog;
+
+public interface RoncooUserLogDao extends JpaRepository<RoncooUserLog, Integer>{
+
+	@Query(value="select u from RoncooUserLog u where u.userName=?1")
+	RoncooUserLog findByUserName(String string);
+
+	RoncooUserLog findByUserNameAndUserIp(String string, String ip);
+
+	Page<RoncooUserLog> findByUserName(String string, Pageable pageable);
+}