将json文件转换成insert语句的sql文件

引入是要的maven依赖:

 <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
 <dependency>
     <groupId>com.google.code.gson</groupId>
     <artifactId>gson</artifactId>
     <version>2.2.4</version>
 </dependency>

转换:

 package com.iot.zjdy.exampl.test;

 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileReader;
 import java.io.FileWriter;

 /**
  * Created by Yanwu 2018/2/8.
  */
 public class JsonToSqlTest {
     private static final String PATH = "C:\\demo\\file\\Cab_LN_FeaturesToJSON.json";

     public static void main(String[] args) throws Exception {
         System.out.println("========== JSON ---> 转换成 SQL 开始 ==========");
         jsonToExcel();
         System.out.println("========== JSON ---> 转换成 SQL 结束 ==========");
 }

     private static void jsonToExcel() throws Exception {
         JsonParser jsonParser = new JsonParser();
         JsonObject jsonObject = (JsonObject) jsonParser.parse(new FileReader(PATH));
         JsonElement features = jsonObject.get("features");
         JsonArray asJsonArray = features.getAsJsonArray();
         for (int i = 0; i < asJsonArray.size(); i++) {
             JsonElement jsonElement = asJsonArray.get(i);
             JsonObject featuresObj = jsonElement.getAsJsonObject();
             JsonElement attributes = featuresObj.get("attributes");
             JsonObject attributesObj = attributes.getAsJsonObject();
             JsonElement swchName = attributesObj.get("swchName");
             String nameStr = swchName.toString();
             JsonElement geometry = featuresObj.get("geometry");
             JsonObject geometryObj = geometry.getAsJsonObject();
             JsonElement path = geometryObj.get("paths");
             String pathStr = path.toString();
             String replace = nameStr.replace("\"", "");
             String sqlStr = "insert into poly_line (id, box_name, paths) values (" + i + ", '" + replace + "', '" + pathStr + "'); \r\n";
             System.out.println(sqlStr);
             File file = new File("C:\\demo\\file\\Cab_LN.sql");
             if (!file.exists()) {
                 file.createNewFile();
             }
             FileWriter fileWriter = new FileWriter(file, true);
             BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
             bufferedWriter.write(sqlStr);
             bufferedWriter.close();
         }
     }
 }