package xxx.xxx.xxx;
import java.io.IOException;
import org.springframework.util.StringUtils;
import com.fasterxml.jackson.databind.ObjectMapper;
public class JsonUtils {
private static ObjectMapper objectMapper = new ObjectMapper();
//对象转字符串
public static <T> String obj2String(T obj){
if (obj == null){
return null;
}
try {
return obj instanceof String ? (String) obj : objectMapper.writeValueAsString(obj);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
//字符串转对象
public static <T> T string2Obj(String str,Class<T> clazz){
if (StringUtils.isEmpty(str) || clazz == null){
return null;
}
try {
return clazz.equals(String.class)? (T) str :objectMapper.readValue(str,clazz);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
}
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