CREATE TABLE `product` (`productId` int(20) NOT NULL,`productName` varchar(100) DEFAULT NULL,`discontinued` varchar(10) DEFAULT NULL,`unitsInStock` int(10) DEFAULT NULL,`unitPrice` double(10,2) NOT NULL,PRIMARY KEY (`productId`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

[{"ProductID": 1,"ProductName": "Chai","UnitPrice": 18,"UnitsInStock": 39,"Discontinued": false
}, {"ProductID": 2,"ProductName": "Chang","UnitPrice": 19,"UnitsInStock": 17,"Discontinued": false
}, {.....}
]

<dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.47</version>
</dependency>
<dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.4</version>
</dependency>

import org.springframework.util.ResourceUtils;
import org.apache.commons.io.FileUtils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;import com.msdn.mapper.ProductMapper;
import com.msdn.pojo.Product;@SpringBootTest
class SpringbootStudy05ApplicationTests {@AutowiredProductMapper mapper;@Testvoid getData() throws IOException {File jsonFile = ResourceUtils.getFile("classpath:static/data.json");//数据读取String json = FileUtils.readFileToString(jsonFile);//String字符串转换为Json数组JSONArray jsonArray = JSON.parseArray(json);//遍历每一个json对象，将内容存放到Product对象中for (Object obj : jsonArray) {JSONObject jobj = (JSONObject) obj;int productId = Integer.parseInt(jobj.getString("ProductID"));String productName = jobj.getString("ProductName");String discontinued = jobj.getString("Discontinued");double unitPrice = Double.parseDouble(jobj.getString("UnitPrice"));int unitsInStock = Integer.parseInt(jobj.getString("UnitsInStock"));Product product = new Product();product.setProductId(productId);product.setProductName(productName);product.setDiscontinued(discontinued);product.setUnitPrice(unitPrice);product.setUnitsInStock(unitsInStock);//数据插入mapper.save(product);}}
}

@Service
public class JsonUtilService {@Value("classpath:static/data.json")public Resource resource;public String getData(){try {File file = resource.getFile();String jsonData = this.jsonRead(file);return jsonData;} catch (Exception e) {return null;}}private String jsonRead(File file) throws IOException{BufferedReader reader = null;StringBuilder buffer = new StringBuilder();reader = new BufferedReader(new FileReader(file));String line = "";while ((line = reader.readLine()) != null){buffer.append(line);}reader.close();return buffer.toString();}
}

@SpringBootTest
class SpringbootStudy05ApplicationTests {@AutowiredJsonUtilService service;@AutowiredProductMapper mapper;@Testvoid getData() throws IOException {String value = service.getData();JSONArray jsonArray = JSONObject.parseArray(value);for (Object obj : jsonArray) {JSONObject jobj = (JSONObject) obj;int productId = Integer.parseInt(jobj.getString("ProductID"));String productName = jobj.getString("ProductName");String discontinued = jobj.getString("Discontinued");double unitPrice = Double.parseDouble(jobj.getString("UnitPrice"));int unitsInStock = Integer.parseInt(jobj.getString("UnitsInStock"));Product product = new Product();product.setProductId(productId);product.setProductName(productName);product.setDiscontinued(discontinued);product.setUnitPrice(unitPrice);product.setUnitsInStock(unitsInStock);mapper.save(product);}}
}

public static String getFileJson() throws IOException {ClassPathResource classPathResource = new ClassPathResource("static/data.json");byte[]  bytes= FileCopyUtils.copyToByteArray(classPathResource.getInputStream());rturn new String(bytes);
}