import java.io.IOException; import com.alibaba.fastjson.JSON; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; public class JsonUtil { /** * 将字符串转成实体类,允许斜杠等字符串 */ public static <T> T jsonToEntity(String json, Class<T> clazz) throws IOException { ObjectMapper mapper = new ObjectMapper(); // 允许反斜杆等字符 mapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS,true); return mapper.readValue(json, clazz); } /** * 实体类转JSON字符串 */ public static String entityToJson(Object entity){ return JSON.toJSONString(entity); } /** * 将字符串转成JsonNode,允许斜杠等字符串 */ public static JsonNode jsonToJsonNode(String json) throws IOException { ObjectMapper mapper = new ObjectMapper(); // 允许反斜杆等字符 mapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS,true); //允许单引号 mapper.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES,true); return mapper.readValue(json, JsonNode.class); } public static <T> String objectToJson(Object object, Class<T> cls)throws Exception { ObjectMapper mapper = new ObjectMapper(); mapper.registerSubtypes(cls); String reqJson = mapper.writeValueAsString(object); return reqJson; } }