import java.util.LinkedHashMap; import java.util.Map; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; public class TestJson { public TestJson() { } public static void main(String[] args) { String jsonStr = "{\"id\":\"1\",\"orders\":["+ "{\"hinban\":\"H11111\",\"name\":\"商品名A\"},"+ "{\"hinban\":\"H22222\",\"name\":\"商品名B\"}]}"; ObjectMapper mapper = new ObjectMapper(); Map<String,Object> map = new LinkedHashMap<>(); try { map = mapper.readValue( jsonStr, new TypeReference<LinkedHashMap<String,Object>>(){}); } catch (Exception e) { e.printStackTrace(); return; } System.out.println(map.toString()); } }
↑こう書くと↓こう表示されるみたい
{id=1, orders=[{hinban=H11111, name=商品名A}, {hinban=H22222, name=商品名B}]}