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運(yùn)用springboot搭建并部署web項(xiàng)目的示例

 更新時(shí)間:2018年06月13日 11:08:58   作者:nanaFighting  
這篇文章主要介紹了運(yùn)用springboot搭建并部署web項(xiàng)目的示例,小編覺得挺不錯(cuò)的,現(xiàn)在分享給大家,也給大家做個(gè)參考。一起跟隨小編過來看看吧

前言

一直以來都是用springmvc+mybatis進(jìn)行后端接口開發(fā)工作,最近閑來無事,根據(jù)現(xiàn)有功能需求,用springboot+mybatis部署一套簡(jiǎn)單的web項(xiàng)目。

所用工具

  1. IntelliJ IDEA 2018.1.4
  2. JDK 1.8
  3. apache-tomcat-8.0.50

所解決的問題

1、如何用idea創(chuàng)建springboot項(xiàng)目

2、如何進(jìn)行 服務(wù)器、數(shù)據(jù)庫、mybatis、視圖解析器的配置

3、如何使用mybatis generator 自動(dòng)生成代碼

4、如何使用multipart進(jìn)行文件上傳

5、如何運(yùn)用springboot的事務(wù)

6、如何打包進(jìn)行tomcat部署

運(yùn)用idea創(chuàng)建springboot項(xiàng)目

1、打開IDEA,F(xiàn)ile -> New -> Project,選擇Spring Initializr,然后next。

2、修改Ariifact,下面的Name、package會(huì)自動(dòng)修改;Packaging有兩種模式,一種是Jar,一種是War;因?yàn)閟pringboot中自帶了tomcat,因此可以將項(xiàng)目打成jar,直接運(yùn)行;而我現(xiàn)有項(xiàng)目是部署到tomcat上,因此我需要打成war包;然后next。

3、設(shè)置項(xiàng)目依賴,然后next ,進(jìn)入下一頁 ,設(shè)置project name,點(diǎn)擊finish完成。

4、進(jìn)入項(xiàng)目

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">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.example</groupId>
  <artifactId>springbootdemo</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>springbootdemo</name>
  <description>Demo project for Spring Boot</description>

  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.2.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-starter-jdbc</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.mybatis.spring.boot</groupId>
      <artifactId>mybatis-spring-boot-starter</artifactId>
      <version>1.3.2</version>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-devtools</artifactId>
      <scope>runtime</scope>
    </dependency>
    <dependency>
      <groupId>com.microsoft.sqlserver</groupId>
      <artifactId>mssql-jdbc</artifactId>
      <scope>runtime</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-tomcat</artifactId>
      <scope>provided</scope>
    </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>

無配置文件的springmvc

通過兩個(gè)例子:1、http請(qǐng)求訪問并渲染頁面 2、http請(qǐng)求返回json字符串

-配置數(shù)據(jù)源、視圖渲染

-添加視圖渲染pom依賴

-創(chuàng)建WelcomeController、welcome.jsp

新增之后的項(xiàng)目結(jié)構(gòu)

application.yml 配置數(shù)據(jù)源 和 視圖渲染

# 數(shù)據(jù)源、視圖配置
spring:
 datasource:
   url: jdbc:sqlserver://xx:1433;DatabaseName=xx
   username: xx
   password: xx
   driver-class-name: com.microsoft.sqlserver.jdbc.SQLServerDriver
 mvc:
  view:
   prefix: /WEB-INF/views/
   suffix: .jsp

pom.xml新增視圖渲染依賴

<!-- 使用 jsp 必要依賴 -->
    <dependency>
      <groupId>org.apache.tomcat.embed</groupId>
      <artifactId>tomcat-embed-jasper</artifactId>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
    </dependency>

創(chuàng)建WelcomeController

package com.example.springbootdemo.web;

import com.example.springbootdemo.entity.Welcome;
import com.example.springbootdemo.response.Response;
import com.example.springbootdemo.response.ResponseCode;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import java.util.ArrayList;
import java.util.List;

@Controller
@RequestMapping("/welcome")
public class WelcomeController {
  /**
   * 訪問welcome.jsp頁面
   * @return
   */
  @RequestMapping("welcomeIndex")
  public ModelAndView welcomeIndex(){
    ModelAndView mv = new ModelAndView();
    mv.setViewName("welcome");
    mv.addObject("name","xx");
    return mv;
  }

  /**
   * 返回json字符串
   * @return
   */
  @RequestMapping("getWelcomeInfo")
  @ResponseBody
  public Response getWelcomeInfo(){
    /**
     * 測(cè)試數(shù)據(jù)
     */
    List<Welcome> welcomes = new ArrayList<>();
    Welcome w1 = new Welcome();
    w1.setId("1");
    w1.setName("xx1");
    w1.setAge(11);
    w1.setGender("女");

    Welcome w2 = new Welcome();
    w2.setId("2");
    w2.setName("xx2");
    w2.setAge(22);
    w2.setGender("男");
    welcomes.add(w1);
    welcomes.add(w2);

    Response response = new Response();
    response.setData(welcomes);
    response.setRetcode(ResponseCode.SUCCESS);
    response.setRetdesc("Success");
    return response;
  }
}

創(chuàng)建welcome.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
  <title>視圖渲染</title>
</head>
<body>
  您好,${name}
</body>
</html>

啟動(dòng)項(xiàng)目,并訪問

http://localhost:8080/welcome/getWelcomeInfo

http://localhost:8080/welcome/welcomeIndex

使用mybatis generator自動(dòng)生成代碼

用于為表創(chuàng)建 *Mapper.xml、model、dao文件

在pom.xml 添加mybatis generator 自動(dòng)生成代碼插件

<build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
      <!-- mybatis generator 自動(dòng)生成代碼插件 -->
      <plugin>
        <groupId>org.mybatis.generator</groupId>
        <artifactId>mybatis-generator-maven-plugin</artifactId>
        <version>1.3.2</version>
        <configuration>
          <configurationFile>${basedir}/src/main/resources/generator/generatorConfig.xml</configurationFile>
          <overwrite>true</overwrite>
          <verbose>true</verbose>
        </configuration>
      </plugin>
    </plugins>
  </build>

在上面pom.xml配置的pugin路徑resources/generator 文件夾下添加generatorConfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
    PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
    "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
  <!-- 數(shù)據(jù)庫驅(qū)動(dòng):選擇你的本地硬盤上面的數(shù)據(jù)庫驅(qū)動(dòng)包-->
  <classPathEntry location="C:\Users\.m2\repository\com\microsoft\sqlserver\mssql-jdbc\6.2.2.jre8\mssql-jdbc-6.2.2.jre8.jar"/>
  <context id="DB2Tables" targetRuntime="MyBatis3">
    <commentGenerator>
      <property name="suppressDate" value="true"/>
      <!-- 是否去除自動(dòng)生成的注釋 true:是 : false:否 -->
      <property name="suppressAllComments" value="true"/>
    </commentGenerator>
    <!--數(shù)據(jù)庫鏈接URL,用戶名、密碼 -->
    <jdbcConnection driverClass="com.microsoft.sqlserver.jdbc.SQLServerDriver" connectionURL="jdbc:sqlserver://xx:1433;DatabaseName=xx" userId="xx" password="xx">
    </jdbcConnection>
    <javaTypeResolver>
      <property name="forceBigDecimals" value="false"/>
    </javaTypeResolver>
    <!-- 生成模型的包名和位置-->
    <javaModelGenerator targetPackage="com.example.springbootdemo.entity" targetProject="src/main/java">
      <property name="enableSubPackages" value="true"/>
      <property name="trimStrings" value="true"/>
    </javaModelGenerator>
    <!-- 生成映射文件的包名和位置-->
    <sqlMapGenerator targetPackage="mybatis" targetProject="src/main/resources">
      <property name="enableSubPackages" value="true"/>
    </sqlMapGenerator>
    <!-- 生成DAO的包名和位置-->
    <javaClientGenerator type="XMLMAPPER" targetPackage="com.example.springbootdemo.mapper" targetProject="src/main/java">
      <property name="enableSubPackages" value="true"/>
    </javaClientGenerator>
    <!-- 要生成的表 tableName是數(shù)據(jù)庫中的表名或視圖名 domainObjectName是實(shí)體類名-->
    <table tableName="xx" domainObjectName="StudentBinding" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
  </context>
</generatorConfiguration>

使用maven中的mybatis-generator:generate根據(jù)數(shù)據(jù)庫里面表生產(chǎn)相關(guān)的類

Edit Configurations -> 添加 -> Maven

 配置mybatis

在application.yml 中添加mybatis的配置

# mybatis配置
mybatis:
 mapper-locations: classpath*:mybatis/*Mapper.xml
 type-aliases-package: com.example.springbootdemo.entity

在StudentBindingMapper.java中添加 @Repository("studentBindingMapper")注解才能使用@MapperScan掃描到

@Repository("studentBindingMapper")
public interface StudentBindingMapper {}

在SpringbootdemoApplication.java添加@MapperScan

package com.example.springbootdemo;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
@MapperScan("com.example.springbootdemo.mapper")
public class SpringbootdemoApplication {

  public static void main(String[] args) {
    SpringApplication.run(SpringbootdemoApplication.class, args);
  }
}

添加service、controller層

項(xiàng)目層級(jí)

添加StudentBindingService

package com.example.springbootdemo.service;
import com.example.springbootdemo.entity.StudentBinding;
import java.util.List;

public interface StudentBindingService {
  int deleteByPrimaryKey(Long id);
  int insert(StudentBinding record);
  int insertSelective(StudentBinding record);
  StudentBinding selectByPrimaryKey(Long id);
  int updateByPrimaryKeySelective(StudentBinding record);
  int updateByPrimaryKey(StudentBinding record);
  void validTransaction(Long id);
  List<StudentBinding> getStudentBindByQuery(StudentBinding record);
}

添加StudentBindingServiceImpl

package com.example.springbootdemo.service.impl;

import com.example.springbootdemo.entity.StudentBinding;
import com.example.springbootdemo.mapper.StudentBindingMapper;
import com.example.springbootdemo.service.StudentBindingService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;

@Service(value = "studentBindingService")
public class StudentBindingServiceImpl implements StudentBindingService {
  @Autowired
  private StudentBindingMapper studentBindingMapper;

  @Override
  public int deleteByPrimaryKey(Long id) {
    return studentBindingMapper.deleteByPrimaryKey(id);
  }

  @Override
  public int insert(StudentBinding record) {
    return studentBindingMapper.insert(record);
  }

  @Override
  public int insertSelective(StudentBinding record) {
    return studentBindingMapper.insertSelective(record);
  }

  @Override
  public StudentBinding selectByPrimaryKey(Long id) {
    return studentBindingMapper.selectByPrimaryKey(id);
  }

  @Override
  public int updateByPrimaryKeySelective(StudentBinding record) {
    return studentBindingMapper.updateByPrimaryKeySelective(record);
  }

  @Override
  public int updateByPrimaryKey(StudentBinding record) {
    return studentBindingMapper.updateByPrimaryKey(record);
  }

  @Override
  @Transactional
  public void validTransaction(Long id){
    // 刪除之后,插入該id的數(shù)據(jù)
    studentBindingMapper.deleteByPrimaryKey(id);

    StudentBinding record = new StudentBinding();
    record.setId(id);
    studentBindingMapper.insertSelective(record);
  }

  @Override
  public List<StudentBinding> getStudentBindByQuery(StudentBinding record) {
    return studentBindingMapper.getStudentBindByQuery(record);
  }
}

新增StudentBindingController

package com.example.springbootdemo.web;

import com.example.springbootdemo.entity.StudentBinding;
import com.example.springbootdemo.response.Response;
import com.example.springbootdemo.response.ResponseCode;
import com.example.springbootdemo.service.StudentBindingService;
import org.springframework.beans.factory.annotation.Autowired;
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;
import org.springframework.web.servlet.ModelAndView;
import java.io.File;
import java.io.IOException;
import java.util.List;

@Controller
@RequestMapping(value = "/studentBind")
public class StudentBindingController {
  @Autowired
  private StudentBindingService studentBindingService;

  /**
   * 根據(jù)請(qǐng)求參數(shù),刪除綁定學(xué)生信息
   * @param id
   * @return
   */
  @RequestMapping("deleteByPrimaryKey")
  @ResponseBody
  public Response deleteByPrimaryKey(Long id){
    Response response = new Response();
    if(id==null){
      response.setRetcode(ResponseCode.PARAMARTER_ERROR);
      response.setRetdesc("參數(shù)錯(cuò)誤");
      return response;
    }

    try{
      studentBindingService.deleteByPrimaryKey(id);
      response.setRetcode(ResponseCode.SUCCESS);
      response.setRetdesc("刪除成功");
    }catch (Exception e){
      e.printStackTrace();
      response.setRetcode(ResponseCode.FAILED);
      response.setRetdesc("刪除異常");
    }
    return response;
  }

  /**
   * 根據(jù)請(qǐng)求參數(shù),添加綁定學(xué)生信息
   * @param record
   * @return
   */
  @RequestMapping("insertSelective")
  @ResponseBody
  public Response insertSelective(StudentBinding record){
    Response response = new Response();
    if(record==null){
      response.setRetcode(ResponseCode.PARAMARTER_ERROR);
      response.setRetdesc("參數(shù)錯(cuò)誤");
      return response;
    }

    try{
      studentBindingService.insertSelective(record);
      response.setRetcode(ResponseCode.SUCCESS);
      response.setRetdesc("添加成功");
    }catch (Exception e){
      e.printStackTrace();
      response.setRetcode(ResponseCode.FAILED);
      response.setRetdesc("添加異常");
    }
    return response;
  }

  /**
   * 根據(jù)請(qǐng)求參數(shù),查詢綁定學(xué)生信息
   * @param id
   * @return
   */
  @RequestMapping("selectByPrimaryKey")
  @ResponseBody
  public Response selectByPrimaryKey(Long id){
    Response response = new Response();
    if(id==null){
      response.setRetcode(ResponseCode.PARAMARTER_ERROR);
      response.setRetdesc("參數(shù)錯(cuò)誤");
      return response;
    }

    try{
      StudentBinding studentBinding = studentBindingService.selectByPrimaryKey(id);
      response.setData(studentBinding);
      response.setRetcode(ResponseCode.SUCCESS);
      response.setRetdesc("查詢成功");
    }catch (Exception e){
      e.printStackTrace();
      response.setRetcode(ResponseCode.FAILED);
      response.setRetdesc("查詢異常");
    }
    return response;
  }

  /**
   * 驗(yàn)證@Transaction注解是否好用
   * @param id
   * @return
   */
  @RequestMapping("validTransaction")
  @ResponseBody
  public Response validTransaction(Long id){
    Response response = new Response();
    if(id==null){
      response.setRetcode(ResponseCode.PARAMARTER_ERROR);
      response.setRetdesc("參數(shù)錯(cuò)誤");
      return response;
    }

    try{
      studentBindingService.validTransaction(id);
      response.setRetcode(ResponseCode.SUCCESS);
    }catch (Exception e){
      e.printStackTrace();
      response.setRetcode(ResponseCode.FAILED);
    }
    return response;
  }

  /**
   * 渲染jsp頁面
   * @return
   */
  @RequestMapping("welcomeIndex")
  public ModelAndView welcomeIndex(){
    List<StudentBinding> studentBindings = studentBindingService.getStudentBindByQuery(new StudentBinding());
//    model.addAttribute("studentBindings",studentBindings);
    ModelAndView mv = new ModelAndView();
    mv.setViewName("welcome");
    mv.addObject("studentBindings",studentBindings);
    return mv;
  }

  /**
   * 跳轉(zhuǎn)到上傳文件頁面
   * @return
   */
  @RequestMapping("multipartIndex")
  public String multipartIndex(){
    return "multipart-index";
  }

  /**
   * 上傳文件到指定目錄
   * @param file
   * @return
   */
  @RequestMapping("/upload")
  @ResponseBody
  public Response upload(@RequestParam("file") MultipartFile file){
    Response response = new Response();
    if (file.isEmpty()){
      response.setRetcode(ResponseCode.PARAMARTER_ERROR);
      response.setRetdesc("參數(shù)錯(cuò)誤");
      return response;
    }

    try {
      String filePath = "D:\\ceshi\\upload\\";
      File dir = new File(filePath);
      if(!dir.isDirectory()){
        dir.mkdir();
      }

      String fileOriginalName = file.getOriginalFilename();
      File writeFile = new File(filePath + fileOriginalName);
      //文件寫入磁盤
      file.transferTo(writeFile);

      response.setRetcode(ResponseCode.SUCCESS);
      response.setRetdesc("上傳成功");
    } catch (IOException e) {
      e.printStackTrace();
      response.setRetcode(ResponseCode.FAILED);
      response.setRetdesc("上傳失敗");
    }

    return response;
  }
}

重啟項(xiàng)目之后,就可以訪問各個(gè)接口

springboot配置事務(wù)

springboot配置事務(wù)有兩種方式

1、在SpringbootdemoApplication.java項(xiàng)目入口,添加@EnableTransactionManagement的注解用來開啟事務(wù)

2、在service實(shí)現(xiàn)類上添加@Transactional注解,那么該類的所有方法都進(jìn)行事務(wù)管理;也可以直接在service實(shí)現(xiàn)類的方法上直接添加@Transactional注解,那么只對(duì)該方法進(jìn)行事務(wù)管理,上面代碼中有對(duì)方法添加事務(wù)的例子

springboot打包進(jìn)行tomcat部署

Edit Configuration -> Maven -> 添加 ->啟動(dòng) -> 復(fù)制war包 -> tomcat webapp ->修改war包的名字 -> tomcat bin -> startup.bat

tomcat啟動(dòng)之后,訪問 http://localhost:8080/springbootdemo/welcome/welcomeIndex 進(jìn)行驗(yàn)證

以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。

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