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package com.modulecode.utils;

import com.fasterxml.jackson.annotation.JsonInclude;

import com.fasterxml.jackson.core.JsonProcessingException;

import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;

import java.text.SimpleDateFormat;

import java.util.TimeZone;

public class JacksonUtils {

private static ObjectMapper mapper = new ObjectMapper();

static {

// 设置时区

mapper.setTimeZone(TimeZone.getTimeZone("GMT+8"));

// 日期类型格式

mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));

// 序列化所有参数，包括null

mapper.setSerializationInclusion(JsonInclude.Include.ALWAYS);

}

public static String bean2Json(Object obj) {

try {

return mapper.writeValueAsString(obj);

} catch (JsonProcessingException e) {

throw new RuntimeException(e);

}

}

public static <T> T json2Bean(String jsonStr, Class<T> objClass) throws IOException {

return mapper.readValue(jsonStr, objClass);

}

}