用SpringBoot搭建聚合專案實戰記錄
- 建立聚合父工程
File - New - Project - Maven - [Next] - GroupId(格式:cn.hnlp2es.parent),ArtifactId(格式:hnlp2es-parent) - 一路Next
說明:父工程主要是統一定義jar包的版本。以下是最終的porm.
<?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>cn.hnlp2es.parent</groupId>
<artifactId>hnlp2es-parent</artifactId>
<packaging>pom</packaging>
<version >1.0-SNAPSHOT</version>
<modules>
<module>hnlp2es-web</module>
<module>hnlp2es-service</module>
<module>hnlp2es-repo</module>
<module>hnlp2es-entity</module>
<module>hnlp2es-myhanlp</module>
</modules>
<name>hnlp2es</name>
<description>hanlp to elasticsearch</description>
<!-- parent指明繼承關係,給出被繼承的父專案的具體資訊
繼承說明:這裡繼承SpringBoot提供的父工程-->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.8.RELEASE</version>
<relativePath/>
<!-- lookup parent from repository -->
</parent>
<!-- 集中定義依賴版本號 -->
<properties>
<junit.version>4.12</junit.version>
<!--<spring.version>4.2.4.RELEASE</spring.version>-->
<mybatis.version>3.2.8</mybatis.version>
<mybatis.spring.version>1.2.2</mybatis.spring.version>
<mybatis.paginator.version>1.2.15</mybatis.paginator.version>
<mysql.version>5.1.32</mysql.version>
<slf4j.version>1.6.4</slf4j.version>
<!--<jackson.version>2.4.2</jackson.version>-->
<druid.version>1.0.9</druid.version>
<httpclient.version>4.3.5</httpclient.version>
<jstl.version>1.2</jstl.version>
<servlet-api.version>2.5</servlet-api.version>
<jsp-api.version>2.0</jsp-api.version>
<joda-time.version>2.5</joda-time.version>
<commons-lang3.version>3.3.2</commons-lang3.version>
<commons-io.version>1.3.2</commons-io.version>
<commons-net.version>3.3</commons-net.version>
<pagehelper.version>3.7.5</pagehelper.version>
<jsqlparser.version>0.9.1</jsqlparser.version>
<commons-fileupload.version>1.3.1</commons-fileupload.version>
<jedis.version>2.7.2</jedis.version>
<solrj.version>4.10.3</solrj.version>
<dubbo.version>2.5.3</dubbo.version>
<zookeeper.version>3.4.7</zookeeper.version>
<zkclient.version>0.1</zkclient.version>
<activemq.version>5.11.2</activemq.version>
<freemarker.version>2.3.23</freemarker.version>
<quartz.version>2.2.2</quartz.version>
<spring-boot-dependencies.version>1.5.8.RELEASE</spring-boot-dependencies.version>
</properties>
<dependencyManagement>
<dependencies>
<!-- 時間操作元件 -->
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>${joda-time.version}</version>
</dependency>
<!-- Apache工具元件 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>${commons-net.version}</version>
</dependency>
<!-- Jackson Json處理工具包 -->
<!--<dependency>-->
<!--<groupId>com.fasterxml.jackson.core</groupId>-->
<!--<artifactId>jackson-databind</artifactId>-->
<!--<version>${jackson.version}</version>-->
<!--</dependency>-->
<!-- httpclient -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>${httpclient.version}</version>
</dependency>
<!-- quartz任務排程框架 -->
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>${quartz.version}</version>
</dependency>
<!-- 單元測試 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<!-- 日誌處理 -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- Mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis.spring.version}</version>
</dependency>
<dependency>
<groupId>com.github.miemiedev</groupId>
<artifactId>mybatis-paginator</artifactId>
<version>${mybatis.paginator.version}</version>
</dependency>
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>${pagehelper.version}</version>
</dependency>
<!-- MySql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<!-- 連線池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>${druid.version}</version>
</dependency>
<!-- Spring -->
<!--<dependency>-->
<!--<groupId>org.springframework</groupId>-->
<!--<artifactId>spring-context</artifactId>-->
<!--<version>${spring.version}</version>-->
<!--</dependency>-->
<!--<dependency>-->
<!--<groupId>org.springframework</groupId>-->
<!--<artifactId>spring-beans</artifactId>-->
<!--<version>${spring.version}</version>-->
<!--</dependency>-->
<!--<dependency>-->
<!--<groupId>org.springframework</groupId>-->
<!--<artifactId>spring-webmvc</artifactId>-->
<!--<version>${spring.version}</version>-->
<!--</dependency>-->
<!--<dependency>-->
<!--<groupId>org.springframework</groupId>-->
<!--<artifactId>spring-jdbc</artifactId>-->
<!--<version>${spring.version}</version>-->
<!--</dependency>-->
<!--<dependency>-->
<!--<groupId>org.springframework</groupId>-->
<!--<artifactId>spring-aspects</artifactId>-->
<!--<version>${spring.version}</version>-->
<!--</dependency>-->
<!--<dependency>-->
<!--<groupId>org.springframework</groupId>-->
<!--<artifactId>spring-jms</artifactId>-->
<!--<version>${spring.version}</version>-->
<!--</dependency>-->
<!--<dependency>-->
<!--<groupId>org.springframework</groupId>-->
<!--<artifactId>spring-context-support</artifactId>-->
<!--<version>${spring.version}</version>-->
<!--</dependency>-->
<!-- JSP相關 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet-api.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp-api.version}</version>
<scope>provided</scope>
</dependency>
<!-- 檔案上傳元件 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${commons-fileupload.version}</version>
</dependency>
<!-- Redis客戶端 -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>${jedis.version}</version>
</dependency>
<!-- solr客戶端 -->
<dependency>
<groupId>org.apache.solr</groupId>
<artifactId>solr-solrj</artifactId>
<version>${solrj.version}</version>
</dependency>
<!-- dubbo相關 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>${dubbo.version}</version>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>${zookeeper.version}</version>
</dependency>
<dependency>
<groupId>com.github.sgroschupf</groupId>
<artifactId>zkclient</artifactId>
<version>${zkclient.version}</version>
</dependency>
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-all</artifactId>
<version>${activemq.version}</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>${freemarker.version}</version>
</dependency>
<dependency>
<!-- Import dependency management from Spring Boot -->
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot-dependencies.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<finalName>${project.artifactId}</finalName>
<plugins>
<!-- 資原始檔拷貝外掛 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.7</version>
<configuration>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<!-- java編譯外掛 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>1.5.8.RELEASE</version>
<configuration>
<mainClass>MmWebApplication</mainClass>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
<!--<pluginManagement>-->
<!--<plugins>-->
<!--<!– 配置Tomcat外掛 –>-->
<!--<plugin>-->
<!--<groupId>org.apache.tomcat.maven</groupId>-->
<!--<artifactId>tomcat7-maven-plugin</artifactId>-->
<!--<version>2.2</version>-->
<!--</plugin>-->
<!--</plugins>-->
<!--</pluginManagement>-->
</build>
</project>
2 . 定義maven路徑
File - Settings - Build,Execution,Deployment_Bulid Tools_Maven
Override 其中的settings file為本地maven的 settings.xml 地址。
然後Local repository 會根據settings.xml中的倉庫的地址而變化。
然後讓上面的pom.xml檔案生效。[Import Changes]
3 . 建立模組工程Common
File - New - Module - Maven - Parent選父工程,但是仍然將 Add as module to 置為 none - 照上面規則填好 GroupId,ArtifactId - 專案名稱為 hnlp2es-common 後 一路Next
說明:將common模組放在parent同個目錄下(雖然不知道為啥)
<?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">
<parent>
<artifactId>hnlp2es-parent</artifactId>
<groupId>cn.hnlp2es.parent</groupId>
<version>1.0-SNAPSHOT</version>
<relativePath>../hnlp2es-parent/pom.xml</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>hnlp2es-common</artifactId>
</project>
4 . 建立子模組工程 web,service,repo,entity
對著父工程右鍵 - New - Module - > 輸入 hnlp2es-web
對著父工程右鍵 - New - Module - > 輸入 hnlp2es-service
對著父工程右鍵 - New - Module - > 輸入 hnlp2es-repo
對著父工程右鍵 - New - Module - > 輸入 hnlp2es-entity
其中:
web的pom.xml
- 用jar啟動,於是packaging為jar.
<?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">
<parent>
<artifactId>hnlp2es-parent</artifactId>
<groupId>cn.hnlp2es.parent</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>cn.hnlp2es.web</groupId>
<artifactId>hnlp2es-web</artifactId>
<!-- add 打包方式 -->
<packaging>jar</packaging>
<!-- add web模組相關依賴 -->
<dependencies>
<dependency>
<groupId>cn.hnlp2es.service</groupId>
<artifactId>hnlp2es-service</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>cn.hnlp2es.entity</groupId>
<artifactId>hnlp2es-entity</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
<!-- add sb相關依賴 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>
service 的pom.xml
<?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">
<parent>
<artifactId>hnlp2es-parent</artifactId>
<groupId>cn.hnlp2es.parent</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>cn.hnlp2es.entity</groupId>
<artifactId>hnlp2es-entity</artifactId>
<packaging>jar</packaging>
</project>
repo的pom.xml
<?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">
<parent>
<artifactId>hnlp2es-parent</artifactId>
<groupId>cn.hnlp2es.parent</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>cn.hnlp2es.repo</groupId>
<artifactId>hnlp2es-repo</artifactId>
</project>
entity的pom.xml檔案
<?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">
<parent>
<artifactId>hnlp2es-parent</artifactId>
<groupId>cn.hnlp2es.parent</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>cn.hnlp2es.entity</groupId>
<artifactId>hnlp2es-entity</artifactId>
<packaging>jar</packaging>
</project>
5 .編碼測試
主要在web中進行編碼
java 目錄下建立 com.sbaggre Package,然後在該包下新建 ApplicationStarter.java 檔案;
在 com.sbaggre 下新建controller目錄,然後在該目錄下新建 HelloController.java 檔案.
package com.sbaggre;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class ApplicationStarter {
public static void main(String[] args) {
SpringApplication.run(ApplicationStarter.class, args);
}
}
package com.sbaggre.controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/hello/")
public class HelloController {
@GetMapping("say")
public String sayHello(){
return "Hello World.";
}
}
在這個過程中踩過的坑:
1-專案間依賴jar包的問題:
報錯:Maven Error : Could not resolve dependencies for project
具體報錯:Failed to collect dependencies for [com.xxx:jar:1.0 (compile),… -> [Help 1]
-1-確認pom.xml依賴沒有寫錯;
-2-開啟右邊的Maven外掛,看看有木有報錯,專案裡有木有灰色的(灰色的需要點亮-Unignore–參考:https://www.cnblogs.com/jimisun/p/9059728.html)
-3-關於被引用的模組專案,並不是非packaging為jar
2-springboot與spring引用的衝突
報錯:Could not evaluate condition on org.springframework.boot.autoconfigure.jdbc….
應該是版本的衝突
-1-我的解決方法是將pom.xml中的spring相關的依賴註釋掉。
3-左邊的 External Libraries 只有jdk,沒有pom.xml中引用的包。
一般情況下,專案建好後External Libraries 就會自動新增pom中的依賴包。並且會隨著pom的改變而變更。
所以可能原因是過程中maven出錯了導致流程錯誤。
這個問題,也導致了不能在編碼中利用pom中的jar包!
-1-調整pom檔案中的錯誤,我的是web專案的packaging原為war,而應該是jar.
-2-maven 的clean - install.當子模組的install有錯誤的時候,將parent進行install嘗試下。
4-Spring-boot啟動
開啟頁面顯示報錯:Whitelabel Error Page
-知識點-通過psvm的方法,程式只能載入Application.java所在包及其子包下的內容。
而且,Application.java 檔案不能直接放在main/java資料夾下,必須要建一個包把他放進去
看來得多去官網看看!
-1-(參考:https://www.cnblogs.com/JealousGirl/p/whitelabel.html)有比較全的解決方案。
-2-(參考:https://segmentfault.com/a/1190000004493460)這裡有另一個報錯
5-jar方式啟動Spring-boot報錯:springboot jar啟動沒有主清單屬性
-1-在parent的pom中新增spring-boot-maven-plugin即可解決(參考:https://www.cnblogs.com/niceboat/p/6230448.html)
好像是這些坑吧。