我们在开发中也会遇到要我们把json格式数据解析好,然后保存到数据库中.方式方法有很多,小编觉得使用fastjson,最容易实现.
二、依赖准备 <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.69</version> </dependency>
[ { "id": "155", "name": "小米", "state": "A", "createTime": "2021-08-25" }, { "id": "105", "name": "小明", "state": "B", "createTime": "2021-08-25" }, { "id": "115", "name": "小红", "state": "B", "createTime": "2021-08-25" }]
public void jsonToSql(){ //准备要解析的json字符串 String json = "[\n" " {\n" " \"id\": \"155\",\n" " \"name\": \"小米\",\n" " \"state\": \"A\",\n" " \"createTime\": \"2021-08-25\"\n" " },\n" " {\n" " \"id\": \"105\",\n" " \"name\": \"小明\",\n" " \"state\": \"B\",\n" " \"createTime\": \"2021-08-25\"\n" " },\n" " {\n" " \"id\": \"115\",\n" " \"name\": \"小红\",\n" " \"state\": \"B\",\n" " \"createTime\": \"2021-08-25\"\n" " }\n" "]"; //2.将字符串转成list集合 List<Test> list = JSONObject.parseArray(json, Test.class); //3.保存到数据库 ---这里使用mybatis-plus list.forEach(x -> testMapper.insert(x)); //4.我们直接打印集合看看映射对不对 list.forEach(x -> System.out.println(x)); }
这样就使用fastjson来实现json到实体类的转换,有了实体类我们添加到数据库就很简单了,如果对您有用,期待您的点赞!!
