JavaWeb学习之路——SpringBoot整合Mybatis(二)
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JavaWeb学习之路——SpringBoot整合Mybatis(二)
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1)pom文件中添加相應的jar包:
<!--Mybatis啟動器--><dependency><groupId>org.mybatis.spring.boot</groupId><artifactId>mybatis-spring-boot-starter</artifactId><version>1.3.2</version></dependency><!--mysql數據庫驅動--><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><scope>runtime</scope></dependency><!--druid數據庫連接池--><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.10</version></dependency>?
2)application.yml文件中配置數據庫連接等信息:
每個":"對應的是".",如spring.datasource.url="......."
?
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3)?在pojo包下創建實體類
import java.io.Serializable;@Data@AllArgsConstructor@NoArgsConstructorpublic class Flower implements Serializable {private Integer id;private String name;private Double price;private String production;}4)在mapper下創建文件與mybatis中的mapper.xml相對應
package com.likui.demo.mapper;import com.likui.demo.pojo.Flower;public interface FlowerMapper {void insertFlower(Flower flower);}?
5)在service下創建業務實現的接口
package com.likui.demo.service;import com.likui.demo.pojo.Flower;public interface FlowerService {void addFlower(Flower flower);}6)在service下的impl包下創建接口的具體實現方法
package com.likui.demo.service.impl;import com.likui.demo.mapper.FlowerMapper;import com.likui.demo.pojo.Flower;import com.likui.demo.service.FlowerService;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional;@Service@Transactionalpublic class FlowerServiceImpl implements FlowerService {@Resourceprivate FlowerMapper flowerMapper;@Overridepublic void addFlower(Flower flower) {flowerMapper.insertFlower(flower);}}?
7)前端htlm中表單填寫數據提交動作
<form action="/demo/test" method="post">用戶姓名:<input type="text" name="name"/>價格:<input type="text" name="price"/><input type="submit" value="確定"/></form>?
8)在controller下調用service接口中的方法,并傳遞參數進去
@RestController@RequestMapping(value = "/demo")public class DemoController {@Resourceprivate FlowerService flowerService;@RequestMapping("/test")public FlowerJson showFlower(Model model,@RequestParam("name") String name,@RequestParam("price") double price){List<Flower> list=new ArrayList<>();Flower flower2=new Flower();flower2.setId(1);flower2.setName(name);flower2.setPrice(price);flowerService.addFlower(flower2);list.add(flower2);model.addAttribute("list",list);FlowerJson flowerJson=new FlowerJson(0,"自定義json格式",list);return flowerJson;}}?
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