From 5c4416ef7ad78c1ddeeafe5372160777ce51d2f5 Mon Sep 17 00:00:00 2001
From: Yo Vinchen <2982554722@qq.com>
Date: Wed, 15 Mar 2023 22:53:38 +0800
Subject: [PATCH] Initial commit
---
.idea/compiler.xml | 2 +-
springboot_08_ssmp/pom.xml | 2 +-
.../src/main/java/com/yv/config/MPConfig.java | 20 +++++++++
.../main/java/com/yv/service/BookService.java | 41 +++++++++++++++++
.../com/yv/service/impl/BookServiceImpl.java | 45 +++++++++++++++++++
.../src/main/resources/application.yml | 3 ++
.../src/test/java/com/yv/dao/BookDaoTest.java | 23 ++++++++--
7 files changed, 131 insertions(+), 5 deletions(-)
create mode 100644 springboot_08_ssmp/src/main/java/com/yv/config/MPConfig.java
create mode 100644 springboot_08_ssmp/src/main/java/com/yv/service/BookService.java
create mode 100644 springboot_08_ssmp/src/main/java/com/yv/service/impl/BookServiceImpl.java
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 7add527..604115b 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -34,7 +34,7 @@
-
+
diff --git a/springboot_08_ssmp/pom.xml b/springboot_08_ssmp/pom.xml
index d671d9e..d855514 100644
--- a/springboot_08_ssmp/pom.xml
+++ b/springboot_08_ssmp/pom.xml
@@ -14,7 +14,7 @@
springboot_08_ssmp
Demo project for Spring Boot
- 17
+ 1.8
diff --git a/springboot_08_ssmp/src/main/java/com/yv/config/MPConfig.java b/springboot_08_ssmp/src/main/java/com/yv/config/MPConfig.java
new file mode 100644
index 0000000..410ee7d
--- /dev/null
+++ b/springboot_08_ssmp/src/main/java/com/yv/config/MPConfig.java
@@ -0,0 +1,20 @@
+package com.yv.config;
+
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author YoVinchen
+ * @date 2023/3/15 下午 9:58
+ */
+@Configuration
+public class MPConfig {
+ @Bean
+ public MybatisPlusInterceptor mybatisPlusInterceptor() {
+ MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+ interceptor.addInnerInterceptor(new PaginationInnerInterceptor());
+ return interceptor;
+ }
+}
diff --git a/springboot_08_ssmp/src/main/java/com/yv/service/BookService.java b/springboot_08_ssmp/src/main/java/com/yv/service/BookService.java
new file mode 100644
index 0000000..886515d
--- /dev/null
+++ b/springboot_08_ssmp/src/main/java/com/yv/service/BookService.java
@@ -0,0 +1,41 @@
+package com.yv.service;
+
+import com.yv.admain.Book;
+
+import java.util.List;
+
+/**
+ * @author YoVinchen
+ * @date 2023/3/15 下午 10:39
+ */
+public interface BookService {
+ /**
+ * @param book
+ * @return
+ */
+ Boolean save(Book book);
+
+ /**
+ * @param book
+ * @return
+ */
+ Boolean update(Book book);
+
+ /**
+ * @param id
+ * @return
+ */
+ Boolean delete(Integer id);
+
+ /**
+ * @param id
+ * @return
+ */
+ Book getById(Integer id);
+
+ /**
+ * @return
+ */
+ List getAll();
+
+}
diff --git a/springboot_08_ssmp/src/main/java/com/yv/service/impl/BookServiceImpl.java b/springboot_08_ssmp/src/main/java/com/yv/service/impl/BookServiceImpl.java
new file mode 100644
index 0000000..7967787
--- /dev/null
+++ b/springboot_08_ssmp/src/main/java/com/yv/service/impl/BookServiceImpl.java
@@ -0,0 +1,45 @@
+package com.yv.service.impl;
+
+import com.yv.admain.Book;
+import com.yv.dao.BookDao;
+import com.yv.service.BookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * @author YoVinchen
+ * @date 2023/3/15 下午 10:42
+ */
+@Service
+public class BookServiceImpl implements BookService {
+
+ @Autowired
+ private BookDao bookDao;
+
+ @Override
+ public Boolean save(Book book) {
+ return bookDao.insert(book) > 0;
+ }
+
+ @Override
+ public Boolean update(Book book) {
+ return bookDao.updateById(book) > 0;
+ }
+
+ @Override
+ public Boolean delete(Integer id) {
+ return bookDao.deleteById(id) > 0;
+ }
+
+ @Override
+ public Book getById(Integer id) {
+ return bookDao.selectById(id);
+ }
+
+ @Override
+ public List getAll() {
+ return bookDao.selectList(null);
+ }
+}
diff --git a/springboot_08_ssmp/src/main/resources/application.yml b/springboot_08_ssmp/src/main/resources/application.yml
index c417817..43404b8 100644
--- a/springboot_08_ssmp/src/main/resources/application.yml
+++ b/springboot_08_ssmp/src/main/resources/application.yml
@@ -13,7 +13,10 @@ mybatis-plus:
db-config:
table-prefix: tbl_
id-type: auto
+ configuration:
+ log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
#端口配置
server:
port: 8080
+
diff --git a/springboot_08_ssmp/src/test/java/com/yv/dao/BookDaoTest.java b/springboot_08_ssmp/src/test/java/com/yv/dao/BookDaoTest.java
index b92a04d..a366c95 100644
--- a/springboot_08_ssmp/src/test/java/com/yv/dao/BookDaoTest.java
+++ b/springboot_08_ssmp/src/test/java/com/yv/dao/BookDaoTest.java
@@ -55,12 +55,17 @@ public class BookDaoTest {
@Test
void testGetPage() {
- IPage page = new Page(2, 5);
+ IPage page = new Page(1, 5);
bookDao.selectPage(page, null);
+ //当前页
System.out.println(page.getCurrent());
+ //每页中数据数
System.out.println(page.getSize());
+ //总数据
System.out.println(page.getTotal());
+ //总页数
System.out.println(page.getPages());
+ //数据
System.out.println(page.getRecords());
}
@@ -73,9 +78,21 @@ public class BookDaoTest {
@Test
void testGetBy2() {
- String name = "1";
+ String name = "Spring";
LambdaQueryWrapper lqw = new LambdaQueryWrapper();
- //if(name != null) lqw.like(Book::getName,name);
+ //JDK17报错ew.sqlSegment != null,JDK1.8没有问题
+ if (name != null) lqw.like(Book::getName, name);
+ bookDao.selectList(lqw);
+ }
+
+ /**
+ * 以Test3为标准
+ */
+ @Test
+ void testGetBy3() {
+ String name = null;
+ LambdaQueryWrapper lqw = new LambdaQueryWrapper();
+ //JDK17报错ew.sqlSegment != null,JDK1.8没有问题
lqw.like(name != null, Book::getName, name);
bookDao.selectList(lqw);
}