Spring Boot中使用Ehcache缓存数据
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mrbird
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67ea8b1c25
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.springboot</groupId>
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<artifactId>Spring-Boot-Ehcache-Cache</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>demo</name>
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<description>Demo project for Spring Boot</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.9.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<java.version>1.7</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.mybatis.spring.boot/mybatis-spring-boot-starter -->
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>1.3.1</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-cache</artifactId>
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</dependency>
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<!-- ehcache -->
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<dependency>
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<groupId>net.sf.ehcache</groupId>
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<artifactId>ehcache</artifactId>
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</dependency>
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<dependency>
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<groupId>com.oracle</groupId>
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<artifactId>ojdbc6</artifactId>
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<version>6.0</version>
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</dependency>
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<dependency>
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<groupId>com.alibaba</groupId>
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<artifactId>druid-spring-boot-starter</artifactId>
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<version>1.1.6</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.springboot;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.cache.annotation.EnableCaching;
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@SpringBootApplication
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@EnableCaching
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public class Application {
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public static void main(String[] args) {
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SpringApplication.run(Application.class,args);
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}
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}
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package com.springboot;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.cache.CacheManager;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import com.springboot.bean.Student;
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import com.springboot.service.StudentService;
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@RunWith(SpringJUnit4ClassRunner.class)
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@SpringBootTest(classes = Application.class)
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public class ApplicationTest {
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@Autowired
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private StudentService studentService;
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@Test
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public void test1() throws Exception {
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Student student1 = this.studentService.queryStudentBySno("001");
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System.out.println("学号" + student1.getSno() + "的学生姓名为：" + student1.getName());
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Student student2 = this.studentService.queryStudentBySno("001");
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System.out.println("学号" + student2.getSno() + "的学生姓名为：" + student2.getName());
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}
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@Test
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public void test2() throws Exception {
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Student student1 = this.studentService.queryStudentBySno("001");
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System.out.println("学号" + student1.getSno() + "的学生姓名为：" + student1.getName());
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student1.setName("康康");
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this.studentService.update(student1);
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Student student2 = this.studentService.queryStudentBySno("001");
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System.out.println("学号" + student2.getSno() + "的学生姓名为：" + student2.getName());
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}
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}
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package com.springboot.bean;
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import java.io.Serializable;
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public class Student implements Serializable{
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private static final long serialVersionUID = -339516038496531943L;
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private String sno;
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private String name;
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private String sex;
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public String getSno() {
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return sno;
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}
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public void setSno(String sno) {
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this.sno = sno;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getSex() {
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return sex;
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}
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public void setSex(String sex) {
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this.sex = sex;
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}
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}
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package com.springboot.mapper;
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import org.apache.ibatis.annotations.Delete;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Result;
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import org.apache.ibatis.annotations.Results;
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import org.apache.ibatis.annotations.Select;
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import org.apache.ibatis.annotations.Update;
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import com.springboot.bean.Student;
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@Mapper
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public interface StudentMapper {
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@Update("update student set sname=#{name},ssex=#{sex} where sno=#{sno}")
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int update(Student student);
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@Delete("delete from student where sno=#{sno}")
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void deleteStudentBySno(String sno);
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@Select("select * from student where sno=#{sno}")
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@Results(id = "student", value = { @Result(property = "sno", column = "sno", javaType = String.class),
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@Result(property = "name", column = "sname", javaType = String.class),
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@Result(property = "sex", column = "ssex", javaType = String.class) })
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Student queryStudentBySno(String sno);
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}
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package com.springboot.service;
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import org.springframework.cache.annotation.CacheConfig;
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import org.springframework.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.CachePut;
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import org.springframework.cache.annotation.Cacheable;
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import com.springboot.bean.Student;
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@CacheConfig(cacheNames = "student")
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public interface StudentService {
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@CachePut(key = "#p0.sno")
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Student update(Student student);
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@CacheEvict(key = "#p0", allEntries = true)
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void deleteStudentBySno(String sno);
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@Cacheable(key = "#p0")
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Student queryStudentBySno(String sno);
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}
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package com.springboot.service.impl;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Repository;
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import com.springboot.bean.Student;
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import com.springboot.mapper.StudentMapper;
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import com.springboot.service.StudentService;
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@Repository("studentService")
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public class StudentServiceImpl implements StudentService{
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@Autowired
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private StudentMapper studentMapper;
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@Override
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public Student update(Student student) {
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this.studentMapper.update(student);
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return this.studentMapper.queryStudentBySno(student.getSno());
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}
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@Override
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public void deleteStudentBySno(String sno) {
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this.studentMapper.deleteStudentBySno(sno);
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}
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@Override
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public Student queryStudentBySno(String sno) {
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return this.studentMapper.queryStudentBySno(sno);
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}
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}
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server:
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context-path: /web
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spring:
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datasource:
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druid:
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# 数据库访问配置, 使用druid数据源
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type: com.alibaba.druid.pool.DruidDataSource
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driver-class-name: oracle.jdbc.driver.OracleDriver
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url: jdbc:oracle:thin:@localhost:1521:ORCL
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username: test
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password: 123456
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# 连接池配置
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initial-size: 5
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min-idle: 5
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max-active: 20
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# 连接等待超时时间
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max-wait: 30000
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# 配置检测可以关闭的空闲连接间隔时间
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time-between-eviction-runs-millis: 60000
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# 配置连接在池中的最小生存时间
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min-evictable-idle-time-millis: 300000
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validation-query: select '1' from dual
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test-while-idle: true
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test-on-borrow: false
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test-on-return: false
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# 打开PSCache，并且指定每个连接上PSCache的大小
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pool-prepared-statements: true
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max-open-prepared-statements: 20
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max-pool-prepared-statement-per-connection-size: 20
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# 配置监控统计拦截的filters, 去掉后监控界面sql无法统计, 'wall'用于防火墙
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filters: stat,wall
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# Spring监控AOP切入点，如x.y.z.service.*,配置多个英文逗号分隔
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aop-patterns: com.springboot.servie.*
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# WebStatFilter配置
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web-stat-filter:
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enabled: true
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# 添加过滤规则
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url-pattern: /*
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# 忽略过滤的格式
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exclusions: '*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*'
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# StatViewServlet配置
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stat-view-servlet:
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enabled: true
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# 访问路径为/druid时，跳转到StatViewServlet
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url-pattern: /druid/*
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# 是否能够重置数据
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reset-enable: false
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# 需要账号密码才能访问控制台
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login-username: druid
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login-password: druid123
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# IP白名单
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# allow: 127.0.0.1
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# IP黑名单（共同存在时，deny优先于allow）
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# deny: 192.168.1.218
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# 配置StatFilter
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filter:
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stat:
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log-slow-sql: true
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cache:
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ehcache:
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config: 'classpath:ehcache.xml'
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logging:
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level:
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com:
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springboot:
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mapper: debug
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@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:noNamespaceSchemaLocation="ehcache.xsd">
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<defaultCache
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maxElementsInMemory="10000"
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eternal="false"
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timeToIdleSeconds="3600"
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timeToLiveSeconds="0"
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overflowToDisk="false"
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diskPersistent="false"
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diskExpiryThreadIntervalSeconds="120" />
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<cache
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name="student"
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maxEntriesLocalHeap="2000"
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eternal="false"
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timeToIdleSeconds="3600"
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timeToLiveSeconds="0"
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overflowToDisk="false"
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statistics="true">
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</cache>
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</ehcache>
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@ -0,0 +1,8 @@
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CREATE TABLE STUDENT (
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SNO VARCHAR2(3 BYTE) NOT NULL ,
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SNAME VARCHAR2(9 BYTE) NOT NULL ,
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SSEX CHAR(2 BYTE) NOT NULL
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);
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INSERT INTO STUDENT VALUES ('001', 'KangKang', 'M ');
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INSERT INTO STUDENT VALUES ('002', 'Mike', 'M ');
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INSERT INTO STUDENT VALUES ('003', 'Jane', 'F ');
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